Merge branch 'master' into pretty-json-2

.github/workflows/ci.yml

@@ -1,5 +1,5 @@
 name: CI
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build_linux:

.github/workflows/stale.yml

@@ -0,0 +1,43 @@
+name: "Close Stale Issues & PRs"
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 21 * * *"
+    
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Close Stale Issues
+        uses: actions/stale@v4.1.0
+        with:
+#          stale-issue-message: |
+#            Hello!
+#            
+#            I am marking this issue as stale as it has not received any engagement from the community or maintainers 120 days. That does not imply that the issue has no merit! If you feel strongly about this issue
+#            - open a PR referencing and resolving the issue;
+#            - leave a comment on it and discuss ideas how you could contribute towards resolving it;
+#            - leave a comment and describe in detail why this issue is critical for your use case;
+#            - open a new issue with updated details and a plan on resolving the issue.
+#
+#            The motivation for this automation is to help prioritize issues in the backlog and not ignore, reject, or belittle anyone..
+#
+#          stale-pr-message: |
+#            Hello!
+#            
+#            I am marking this PR as stale as it has not received any engagement from the community or maintainers 120 days. That does not imply that the issue has no merit! If you feel strongly about this issue
+#            - leave a comment on it and discuss ideas how you could contribute towards resolving it;
+#            - leave a comment and describe in detail why this issue is critical for your use case;
+#
+#           The motivation for this automation is to help prioritize issues in the backlog and not ignore, reject, or belittle anyone..
+
+          days-before-stale: 120
+          days-before-close: 30
+          exempt-draft-pr: true
+          ascending: true
+          operations-per-run: 1000
+          exempt-issue-labels: "ignore"

build.bat

@@ -58,7 +58,7 @@ set libs= ^
 set linker_flags= -incremental:no -opt:ref -subsystem:console
 
 if %release_mode% EQU 0 ( rem Debug
-	set linker_flags=%linker_flags% -debug
+	set linker_flags=%linker_flags% -debug /NATVIS:src\odin_compiler.natvis
 ) else ( rem Release
 	set linker_flags=%linker_flags% -debug
 )

build_odin.sh

@@ -1,12 +1,20 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eu
 
-GIT_SHA=$(git rev-parse --short HEAD)
+: ${CXX=clang++}
+: ${CPPFLAGS=}
+: ${CXXFLAGS=}
+: ${LDFLAGS=}
+: ${ODIN_VERSION=dev-$(date +"%Y-%m")}
+
+CPPFLAGS="$CPPFLAGS -DODIN_VERSION_RAW=\"$ODIN_VERSION\""
+CXXFLAGS="$CXXFLAGS -std=c++14"
+LDFLAGS="$LDFLAGS -pthread -lm -lstdc++"
+
+GIT_SHA=$(git rev-parse --short HEAD || :)
+if [ "$GIT_SHA" ]; then CPPFLAGS="$CPPFLAGS -DGIT_SHA=\"$GIT_SHA\""; fi
+
 DISABLED_WARNINGS="-Wno-switch -Wno-macro-redefined -Wno-unused-value"
-LDFLAGS="-pthread -lm -lstdc++"
-CFLAGS="-std=c++14 -DGIT_SHA=\"$GIT_SHA\""
-CFLAGS="$CFLAGS -DODIN_VERSION_RAW=\"dev-$(date +"%Y-%m")\""
-CC=clang
 OS=$(uname)
 
 panic() {
@@ -18,13 +26,13 @@ version() { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }';
 
 config_darwin() {
 	ARCH=$(uname -m)
-	LLVM_CONFIG=llvm-config
+	: ${LLVM_CONFIG=llvm-config}
 
 	# allow for arm only llvm's with version 13
 	if [ ARCH == arm64 ]; then
 		MIN_LLVM_VERSION=("13.0.0")
 	else
-		# allow for x86 / amd64 all llvm versions begining from 11
+		# allow for x86 / amd64 all llvm versions beginning from 11
 		MIN_LLVM_VERSION=("11.1.0")
 	fi
 
@@ -37,34 +45,38 @@ config_darwin() {
 	fi
 
 	LDFLAGS="$LDFLAGS -liconv -ldl"
-	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	CXXFLAGS="$CXXFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
 	LDFLAGS="$LDFLAGS -lLLVM-C"
 }
 
 config_freebsd() {
-	LLVM_CONFIG=/usr/local/bin/llvm-config11
+	: ${LLVM_CONFIG=/usr/local/bin/llvm-config11}
 
-	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	CXXFLAGS="$CXXFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
 	LDFLAGS="$LDFLAGS $($LLVM_CONFIG --libs core native --system-libs)"
 }
 
 config_openbsd() {
-	LLVM_CONFIG=/usr/local/bin/llvm-config
+	: ${LLVM_CONFIG=/usr/local/bin/llvm-config}
 
 	LDFLAGS="$LDFLAGS -liconv"
-	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	CXXFLAGS="$CXXFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
 	LDFLAGS="$LDFLAGS $($LLVM_CONFIG --libs core native --system-libs)"
 }
 
 config_linux() {
-	if which llvm-config > /dev/null 2>&1; then
-		LLVM_CONFIG=llvm-config
-	elif which llvm-config-11 > /dev/null 2>&1; then
-		LLVM_CONFIG=llvm-config-11
-	elif which llvm-config-11-64 > /dev/null 2>&1; then
-		LLVM_CONFIG=llvm-config-11-64
-	else
-		panic "Unable to find LLVM-config"
+	: ${LLVM_CONFIG=}
+
+	if [ ! "$LLVM_CONFIG" ]; then
+		if which llvm-config > /dev/null 2>&1; then
+			LLVM_CONFIG=llvm-config
+		elif which llvm-config-11 > /dev/null 2>&1; then
+			LLVM_CONFIG=llvm-config-11
+		elif which llvm-config-11-64 > /dev/null 2>&1; then
+			LLVM_CONFIG=llvm-config-11-64
+		else
+			panic "Unable to find LLVM-config"
+		fi
 	fi
 
 	MIN_LLVM_VERSION=("11.0.0")
@@ -74,7 +86,7 @@ config_linux() {
 	fi
 
 	LDFLAGS="$LDFLAGS -ldl"
-	CFLAGS="$CFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
+	CXXFLAGS="$CXXFLAGS $($LLVM_CONFIG --cxxflags --ldflags)"
 	LDFLAGS="$LDFLAGS $($LLVM_CONFIG --libs core native --system-libs)"
 }
 
@@ -97,7 +109,7 @@ build_odin() {
 	esac
 
 	set -x
-	$CC src/main.cpp src/libtommath.cpp $DISABLED_WARNINGS $CFLAGS $EXTRAFLAGS $LDFLAGS -o odin
+	$CXX src/main.cpp src/libtommath.cpp $DISABLED_WARNINGS $CPPFLAGS $CXXFLAGS $EXTRAFLAGS $LDFLAGS -o odin
 	set +x
 }
 

core/bufio/scanner.odin

@@ -66,7 +66,7 @@ scanner_destroy :: proc(s: ^Scanner) {
 }
 
 
-// Returns the first non-EOF error that was encounted by the scanner
+// Returns the first non-EOF error that was encountered by the scanner
 scanner_error :: proc(s: ^Scanner) -> Scanner_Error {
 	switch s._err {
 	case .EOF, nil:

core/bytes/buffer.odin

@@ -161,6 +161,10 @@ buffer_write :: proc(b: ^Buffer, p: []byte) -> (n: int, err: io.Error) {
 	return copy(b.buf[m:], p), nil
 }
 
+buffer_write_ptr :: proc(b: ^Buffer, ptr: rawptr, size: int) -> (n: int, err: io.Error) {
+	return buffer_write(b, ([^]byte)(ptr)[:size])
+}
+
 buffer_write_string :: proc(b: ^Buffer, s: string) -> (n: int, err: io.Error) {
 	b.last_read = .Invalid
 	m, ok := _buffer_try_grow(b, len(s))
@@ -229,6 +233,10 @@ buffer_read :: proc(b: ^Buffer, p: []byte) -> (n: int, err: io.Error) {
 	return
 }
 
+buffer_read_ptr :: proc(b: ^Buffer, ptr: rawptr, size: int) -> (n: int, err: io.Error) {
+	return buffer_read(b, ([^]byte)(ptr)[:size])
+}
+
 buffer_read_at :: proc(b: ^Buffer, p: []byte, offset: int) -> (n: int, err: io.Error) {
 	b.last_read = .Invalid
 

core/c/frontend/preprocessor/preprocess.odin

@@ -519,7 +519,7 @@ join_adjacent_string_literals :: proc(cpp: ^Preprocessor, initial_tok: ^Token) {
 
 
 quote_string :: proc(s: string) -> []byte {
-	b := strings.make_builder(0, len(s)+2)
+	b := strings.builder_make(0, len(s)+2)
 	io.write_quoted_string(strings.to_writer(&b), s, '"')
 	return b.buf[:]
 }

core/c/libc/math.odin

@@ -331,7 +331,7 @@ fmin       :: proc{libc_fmin, libc_fminf}
 fma        :: proc{libc_fma, libc_fmaf}
 
 // But retain the 'f' suffix-variant functions as well so they can be used,
-// a trick is used here where we use explicit procedrual overloading of one
+// a trick is used here where we use explicit procedural overloading of one
 // procedure. This is done because the foreign block is marked @(private) and
 // aliasing functions does not remove privateness from the entity.
 acosf      :: proc{libc_acosf}

core/c/libc/stdio.odin

@@ -196,7 +196,7 @@ foreign libc {
 	getc      :: proc(stream: ^FILE) -> int ---
 	getchar   :: proc() -> int ---
 	putc      :: proc(c: int, stream: ^FILE) -> int ---
-	putchar   :: proc() -> int ---
+	putchar   :: proc(c: int) -> int ---
 	puts      :: proc(s: cstring) -> int ---
 	ungetc    :: proc(c: int, stream: ^FILE) -> int ---
 	fread     :: proc(ptr: rawptr, size: size_t, nmemb: size_t, stream: ^FILE) -> size_t ---

core/crypto/README.md

@@ -81,7 +81,7 @@ The crypto package is not thread-safe at the moment. This may change in the futu
 ### Disclaimer
 The algorithms were ported out of curiosity and due to interest in the field.
 We have not had any of the code verified by a third party or tested/fuzzed by any automatic means.
-Whereever we were able to find official test vectors, those were used to verify the implementation.
+Wherever we were able to find official test vectors, those were used to verify the implementation.
 We do not recommend using them in a production environment, without any additional testing and/or verification.
 
 ### ToDo

core/crypto/_fiat/README.md

@@ -30,6 +30,6 @@ equivalence.
 
 For the most part, alterations to the base fiat-crypto generated code was
 kept to a minimum, to aid auditability.  This results in a somewhat
-ideosyncratic style, and in some cases minor performance penalties.
+idiosyncratic style, and in some cases minor performance penalties.
 
 [1]: https://github.com/mit-plv/fiat-crypto

core/crypto/siphash/siphash.odin

@@ -233,7 +233,7 @@ init :: proc(ctx: ^Context, key: []byte, c_rounds, d_rounds: int) {
 }
 
 update :: proc(ctx: ^Context, data: []byte) {
-    assert(ctx.is_initialized, "crypto/siphash: Context is not initalized")
+    assert(ctx.is_initialized, "crypto/siphash: Context is not initialized")
     ctx.last_block = len(data) / 8 * 8
     ctx.buf = data
     i := 0

core/encoding/entity/entity.odin

@@ -25,8 +25,8 @@ import "core:strings"
 
 MAX_RUNE_CODEPOINT :: int(unicode.MAX_RUNE)
 
-write_rune   :: strings.write_rune_builder
-write_string :: strings.write_string_builder
+write_rune   :: strings.write_rune
+write_string :: strings.write_string
 
 Error :: enum u8 {
 	None = 0,
@@ -94,8 +94,8 @@ decode_xml :: proc(input: string, options := XML_Decode_Options{}, allocator :=
 	l := len(input)
 	if l == 0 { return "", .None }
 
-	builder := strings.make_builder()
-	defer strings.destroy_builder(&builder)
+	builder := strings.builder_make()
+	defer strings.builder_destroy(&builder)
 
 	t := Tokenizer{src=input}
 	in_data := false

core/encoding/entity/example/entity_example.odin

@@ -8,7 +8,7 @@ import "core:time"
 
 doc_print :: proc(doc: ^xml.Document) {
 	buf: strings.Builder
-	defer strings.destroy_builder(&buf)
+	defer strings.builder_destroy(&buf)
 	w := strings.to_writer(&buf)
 
 	xml.print(w, doc)

core/encoding/hxa/hxa.odin

@@ -107,7 +107,7 @@ Node :: struct {
 /* Conventions */
 /* ------------
 Much of HxA's use is based on convention. HxA lets users store arbitrary data in its structure that can be parsed but whose semantic meaning does not need to be understood.
-A few conventions are hard, and some are soft. Hard convention that a user HAS to follow in order to produce a valid file. Hard conventions simplify parsing becaus the parser can make some assumptions. Soft convenbtions are basicly recomendations of how to store common data.
+A few conventions are hard, and some are soft. Hard convention that a user HAS to follow in order to produce a valid file. Hard conventions simplify parsing becaus the parser can make some assumptions. Soft convenbtions are basically recomendations of how to store common data.
 If you use HxA for something not covered by the conventions but need a convention for your use case. Please let us know so that we can add it!
 */
 

core/encoding/json/marshal.odin

@@ -44,7 +44,7 @@ Marshal_Options :: struct {
 	mjson_skipped_first_braces_end: bool,
 }
 
-marshal :: proc(v: any, opt: Marshal_Options = {}, allocator := context.allocator) -> (data: []byte, err: Marshal_Error) {
+marshal :: proc(v: any, opt := Marshal_Options{}, allocator := context.allocator) -> (data: []byte, err: Marshal_Error) {
 	b := strings.builder_make(allocator)
 	defer if err != nil {
 		strings.builder_destroy(&b)
@@ -192,6 +192,9 @@ marshal_to_writer :: proc(w: io.Writer, v: any, opt: ^Marshal_Options) -> (err:
 	case runtime.Type_Info_Multi_Pointer:
 		return .Unsupported_Type
 
+	case runtime.Type_Info_Soa_Pointer:
+		return .Unsupported_Type
+
 	case runtime.Type_Info_Procedure:
 		return .Unsupported_Type
 

core/encoding/json/unmarshal.odin

@@ -325,7 +325,7 @@ unmarshal_object :: proc(p: ^Parser, v: any, end_token: Token_Kind) -> (err: Unm
 	UNSUPPORTED_TYPE := Unsupported_Type_Error{v.id, p.curr_token}
 	
 	if end_token == .Close_Brace {
-		assert(expect_token(p, .Open_Brace) == nil)
+		unmarshal_expect_token(p, .Open_Brace)
 	}
 
 	v := v
@@ -473,7 +473,7 @@ unmarshal_object :: proc(p: ^Parser, v: any, end_token: Token_Kind) -> (err: Unm
 	}
 	
 	if end_token == .Close_Brace {
-		assert(expect_token(p, .Close_Brace) == nil)
+		unmarshal_expect_token(p, .Close_Brace)
 	}
 	return
 }

core/encoding/xml/example/xml_example.odin

@@ -84,7 +84,7 @@ example :: proc() {
 
 doc_hash :: proc(doc: ^xml.Document, print := false) -> (crc32: u32) {
 	buf: strings.Builder
-	defer strings.destroy_builder(&buf)
+	defer strings.builder_destroy(&buf)
 	w := strings.to_writer(&buf)
 
 	xml.print(w, doc)

core/fmt/fmt.odin

@@ -77,7 +77,7 @@ register_user_formatter :: proc(id: typeid, formatter: User_Formatter) -> Regist
 // They must be freed accordingly
 aprint :: proc(args: ..any, sep := " ") -> string {
 	str: strings.Builder
-	strings.init_builder(&str)
+	strings.builder_init(&str)
 	sbprint(buf=&str, args=args, sep=sep)
 	return strings.to_string(str)
 }
@@ -85,7 +85,7 @@ aprint :: proc(args: ..any, sep := " ") -> string {
 // They must be freed accordingly
 aprintln :: proc(args: ..any, sep := " ") -> string {
 	str: strings.Builder
-	strings.init_builder(&str)
+	strings.builder_init(&str)
 	sbprintln(buf=&str, args=args, sep=sep)
 	return strings.to_string(str)
 }
@@ -93,7 +93,7 @@ aprintln :: proc(args: ..any, sep := " ") -> string {
 // They must be freed accordingly
 aprintf :: proc(fmt: string, args: ..any) -> string {
 	str: strings.Builder
-	strings.init_builder(&str)
+	strings.builder_init(&str)
 	sbprintf(&str, fmt, ..args)
 	return strings.to_string(str)
 }
@@ -102,21 +102,21 @@ aprintf :: proc(fmt: string, args: ..any) -> string {
 // tprint procedure return a string that was allocated with the current context's temporary allocator
 tprint :: proc(args: ..any, sep := " ") -> string {
 	str: strings.Builder
-	strings.init_builder(&str, context.temp_allocator)
+	strings.builder_init(&str, context.temp_allocator)
 	sbprint(buf=&str, args=args, sep=sep)
 	return strings.to_string(str)
 }
 // tprintln procedure return a string that was allocated with the current context's temporary allocator
 tprintln :: proc(args: ..any, sep := " ") -> string {
 	str: strings.Builder
-	strings.init_builder(&str, context.temp_allocator)
+	strings.builder_init(&str, context.temp_allocator)
 	sbprintln(buf=&str, args=args, sep=sep)
 	return strings.to_string(str)
 }
 // tprintf procedure return a string that was allocated with the current context's temporary allocator
 tprintf :: proc(fmt: string, args: ..any) -> string {
 	str: strings.Builder
-	strings.init_builder(&str, context.temp_allocator)
+	strings.builder_init(&str, context.temp_allocator)
 	sbprintf(&str, fmt, ..args)
 	return strings.to_string(str)
 }
@@ -776,7 +776,7 @@ fmt_rune :: proc(fi: ^Info, r: rune, verb: rune) {
 	case 'c', 'r', 'v':
 		io.write_rune(fi.writer, r, &fi.n)
 	case 'q':
-		fi.n += strings.write_quoted_rune(fi.writer, r)
+		fi.n += io.write_quoted_rune(fi.writer, r)
 	case:
 		fmt_int(fi, u64(r), false, 32, verb)
 	}
@@ -1014,7 +1014,7 @@ fmt_pointer :: proc(fi: ^Info, p: rawptr, verb: rune) {
 	u := u64(uintptr(p))
 	switch verb {
 	case 'p', 'v':
-		if !fi.hash || verb == 'v' {
+		if !fi.hash && verb == 'v' {
 			io.write_string(fi.writer, "0x", &fi.n)
 		}
 		_fmt_int(fi, u, 16, false, 8*size_of(rawptr), __DIGITS_UPPER)
@@ -1031,6 +1031,15 @@ fmt_pointer :: proc(fi: ^Info, p: rawptr, verb: rune) {
 	}
 }
 
+fmt_soa_pointer :: proc(fi: ^Info, p: runtime.Raw_Soa_Pointer, verb: rune) {
+	io.write_string(fi.writer, "#soa{data=0x", &fi.n)
+	_fmt_int(fi, u64(uintptr(p.data)), 16, false, 8*size_of(rawptr), __DIGITS_UPPER)
+	io.write_string(fi.writer, ", index=", &fi.n)
+	_fmt_int(fi, u64(p.index), 10, false, 8*size_of(rawptr), __DIGITS_UPPER)
+	io.write_string(fi.writer, "}", &fi.n)
+}
+
+
 enum_value_to_string :: proc(val: any) -> (string, bool) {
 	v := val
 	v.id = runtime.typeid_base(v.id)
@@ -1867,6 +1876,10 @@ fmt_value :: proc(fi: ^Info, v: any, verb: rune) {
 			fmt_pointer(fi, ptr, verb)
 		}
 
+	case runtime.Type_Info_Soa_Pointer:
+		ptr := (^runtime.Raw_Soa_Pointer)(v.data)^
+		fmt_soa_pointer(fi, ptr, verb)
+
 	case runtime.Type_Info_Multi_Pointer:
 		ptr := (^rawptr)(v.data)^
 		if ptr == nil {

core/hash/crc.odin

@@ -1,8 +1,8 @@
 package hash
 
 @(optimization_mode="speed")
-crc64_ecma_182 :: proc(data: []byte, seed := u32(0)) -> u64 #no_bounds_check {
-	result := u64(seed)
+crc64_ecma_182 :: proc(data: []byte, seed := u64(0)) -> (result: u64) #no_bounds_check {
+	result = seed
 	#no_bounds_check for b in data {
 		result = result<<8 ~ _crc64_table_ecma_182[((result>>56) ~ u64(b)) & 0xff]
 	}

core/hash/hash.odin

@@ -172,108 +172,114 @@ murmur32 :: proc(data: []byte, seed := u32(0)) -> u32 {
 	return h1
 }
 
+// See https://github.com/aappleby/smhasher/blob/master/src/MurmurHash2.cpp#L96
 @(optimization_mode="speed")
-murmur64 :: proc(data: []byte, seed := u64(0x9747b28c)) -> u64 {
-	when size_of(int) == 8 {
-		m :: 0xc6a4a7935bd1e995
-		r :: 47
+murmur64a :: proc(data: []byte, seed := u64(0x9747b28c)) -> u64 {
+	m :: 0xc6a4a7935bd1e995
+	r :: 47
 
-		h: u64 = seed ~ (u64(len(data)) * m)
-		data64 := mem.slice_ptr(cast(^u64)raw_data(data), len(data)/size_of(u64))
+	h: u64 = seed ~ (u64(len(data)) * m)
+	data64 := mem.slice_data_cast([]u64, data)
 
-		for _, i in data64 {
-			k := data64[i]
+	for _, i in data64 {
+		k := data64[i]
 
-			k *= m
-			k ~= k>>r
-			k *= m
+		k *= m
+		k ~= k>>r
+		k *= m
 
-			h ~= k
-			h *= m
-		}
-
-		switch len(data)&7 {
-		case 7: h ~= u64(data[6]) << 48; fallthrough
-		case 6: h ~= u64(data[5]) << 40; fallthrough
-		case 5: h ~= u64(data[4]) << 32; fallthrough
-		case 4: h ~= u64(data[3]) << 24; fallthrough
-		case 3: h ~= u64(data[2]) << 16; fallthrough
-		case 2: h ~= u64(data[1]) << 8;  fallthrough
-		case 1:
-			h ~= u64(data[0])
-			h *= m
-		}
-
-		h ~= h>>r
+		h ~= k
 		h *= m
-		h ~= h>>r
-
-		return h
-	} else {
-		m :: 0x5bd1e995
-		r :: 24
-
-		h1 := u32(seed) ~ u32(len(data))
-		h2 := u32(seed) >> 32
-		data32 := mem.slice_ptr(cast(^u32)raw_data(data), len(data)/size_of(u32))
-		len := len(data)
-		i := 0
-
-		for len >= 8 {
-			k1, k2: u32
-			k1 = data32[i]; i += 1
-			k1 *= m
-			k1 ~= k1>>r
-			k1 *= m
-			h1 *= m
-			h1 ~= k1
-			len -= 4
-
-			k2 = data32[i]; i += 1
-			k2 *= m
-			k2 ~= k2>>r
-			k2 *= m
-			h2 *= m
-			h2 ~= k2
-			len -= 4
-		}
-
-		if len >= 4 {
-			k1: u32
-			k1 = data32[i]; i += 1
-			k1 *= m
-			k1 ~= k1>>r
-			k1 *= m
-			h1 *= m
-			h1 ~= k1
-			len -= 4
-		}
-
-		// TODO(bill): Fix this
-		#no_bounds_check data8 := mem.slice_to_bytes(data32[i:])[:3]
-		switch len {
-		case 3:
-			h2 ~= u32(data8[2]) << 16
-			fallthrough
-		case 2:
-			h2 ~= u32(data8[1]) << 8
-			fallthrough
-		case 1:
-			h2 ~= u32(data8[0])
-			h2 *= m
-		}
-
-		h1 ~= h2>>18
-		h1 *= m
-		h2 ~= h1>>22
-		h2 *= m
-		h1 ~= h2>>17
-		h1 *= m
-		h2 ~= h1>>19
-		h2 *= m
-
-		return u64(h1)<<32 | u64(h2)
 	}
+
+	offset := len(data64) * size_of(u64)
+
+	switch len(data)&7 {
+	case 7: h ~= u64(data[offset + 6]) << 48; fallthrough
+	case 6: h ~= u64(data[offset + 5]) << 40; fallthrough
+	case 5: h ~= u64(data[offset + 4]) << 32; fallthrough
+	case 4: h ~= u64(data[offset + 3]) << 24; fallthrough
+	case 3: h ~= u64(data[offset + 2]) << 16; fallthrough
+	case 2: h ~= u64(data[offset + 1]) << 8;  fallthrough
+	case 1:
+		h ~= u64(data[offset + 0])
+		h *= m
+	}
+
+	h ~= h>>r
+	h *= m
+	h ~= h>>r
+
+	return h
+}
+
+// See https://github.com/aappleby/smhasher/blob/master/src/MurmurHash2.cpp#L140
+@(optimization_mode="speed")
+murmur64b :: proc(data: []byte, seed := u64(0x9747b28c)) -> u64 {
+	m :: 0x5bd1e995
+	r :: 24
+
+	h1 := u32(seed) ~ u32(len(data))
+	h2 := u32(seed) >> 32
+
+	data32 := mem.slice_ptr(cast(^u32)raw_data(data), len(data)/size_of(u32))
+	len := len(data)
+	i := 0
+
+	for len >= 8 {
+		k1, k2: u32
+		k1 = data32[i]; i += 1
+		k1 *= m
+		k1 ~= k1>>r
+		k1 *= m
+		h1 *= m
+		h1 ~= k1
+		len -= 4
+
+		k2 = data32[i]; i += 1
+		k2 *= m
+		k2 ~= k2>>r
+		k2 *= m
+		h2 *= m
+		h2 ~= k2
+		len -= 4
+	}
+
+	if len >= 4 {
+		k1: u32
+		k1 = data32[i]; i += 1
+		k1 *= m
+		k1 ~= k1>>r
+		k1 *= m
+		h1 *= m
+		h1 ~= k1
+		len -= 4
+	}
+
+	// TODO(bill): Fix this
+	#no_bounds_check data8 := mem.slice_to_bytes(data32[i:])[:3]
+	switch len {
+	case 3:
+		h2 ~= u32(data8[2]) << 16
+		fallthrough
+	case 2:
+		h2 ~= u32(data8[1]) << 8
+		fallthrough
+	case 1:
+		h2 ~= u32(data8[0])
+		h2 *= m
+	}
+
+	h1 ~= h2>>18
+	h1 *= m
+	h2 ~= h1>>22
+	h2 *= m
+	h1 ~= h2>>17
+	h1 *= m
+	h2 ~= h1>>19
+	h2 *= m
+
+	return u64(h1)<<32 | u64(h2)
 }
 
 @(optimization_mode="speed")

core/image/common.odin

@@ -469,7 +469,7 @@ return_single_channel :: proc(img: ^Image, channel: Channel) -> (res: ^Image, ok
 }
 
 // Does the image have 1 or 2 channels, a valid bit depth (8 or 16),
-// Is the pointer valid, are the dimenions valid?
+// Is the pointer valid, are the dimensions valid?
 is_valid_grayscale_image :: proc(img: ^Image) -> (ok: bool) {
 	// Were we actually given a valid image?
 	if img == nil {
@@ -489,7 +489,7 @@ is_valid_grayscale_image :: proc(img: ^Image) -> (ok: bool) {
 	// This returns 0 if any of the inputs is zero.
 	bytes_expected := compute_buffer_size(img.width, img.height, img.channels, img.depth)
 
-	// If the dimenions are invalid or the buffer size doesn't match the image characteristics, bail.
+	// If the dimensions are invalid or the buffer size doesn't match the image characteristics, bail.
 	if bytes_expected == 0 || bytes_expected != len(img.pixels.buf) || img.width * img.height > MAX_DIMENSIONS {
 		return false
 	}
@@ -498,7 +498,7 @@ is_valid_grayscale_image :: proc(img: ^Image) -> (ok: bool) {
 }
 
 // Does the image have 3 or 4 channels, a valid bit depth (8 or 16),
-// Is the pointer valid, are the dimenions valid?
+// Is the pointer valid, are the dimensions valid?
 is_valid_color_image :: proc(img: ^Image) -> (ok: bool) {
 	// Were we actually given a valid image?
 	if img == nil {
@@ -518,7 +518,7 @@ is_valid_color_image :: proc(img: ^Image) -> (ok: bool) {
 	// This returns 0 if any of the inputs is zero.
 	bytes_expected := compute_buffer_size(img.width, img.height, img.channels, img.depth)
 
-	// If the dimenions are invalid or the buffer size doesn't match the image characteristics, bail.
+	// If the dimensions are invalid or the buffer size doesn't match the image characteristics, bail.
 	if bytes_expected == 0 || bytes_expected != len(img.pixels.buf) || img.width * img.height > MAX_DIMENSIONS {
 		return false
 	}
@@ -527,7 +527,7 @@ is_valid_color_image :: proc(img: ^Image) -> (ok: bool) {
 }
 
 // Does the image have 1..4 channels, a valid bit depth (8 or 16),
-// Is the pointer valid, are the dimenions valid?
+// Is the pointer valid, are the dimensions valid?
 is_valid_image :: proc(img: ^Image) -> (ok: bool) {
 	// Were we actually given a valid image?
 	if img == nil {

core/image/netpbm/netpbm.odin

@@ -130,7 +130,7 @@ save_to_buffer :: proc(img: ^Image, custom_info: Info = {}, allocator := context
 
 	// we will write to a string builder
 	data: strings.Builder
-	strings.init_builder(&data)
+	strings.builder_init(&data)
 
 	// all PNM headers start with the format
 	fmt.sbprintf(&data, "%s\n", header.format)
@@ -409,7 +409,7 @@ _parse_header_pam :: proc(data: []byte, allocator := context.allocator) -> (head
 
 	// string buffer for the tupltype
 	tupltype: strings.Builder
-	strings.init_builder(&tupltype, context.temp_allocator); defer strings.destroy_builder(&tupltype)
+	strings.builder_init(&tupltype, context.temp_allocator); defer strings.builder_destroy(&tupltype)
 	fmt.sbprint(&tupltype, "")
 
 	// PAM uses actual lines, so we can iterate easily

core/image/png/example.odin

@@ -219,7 +219,7 @@ write_image_as_ppm :: proc(filename: string, image: ^image.Image) -> (success: b
 	defer close(fd)
 
 	write_string(fd,
-		fmt.tprintf("P6\n%v %v\n%v\n", width, height, (1 << uint(depth) - 1)),
+		fmt.tprintf("P6\n%v %v\n%v\n", width, height, uint(1 << uint(depth) - 1)),
 	)
 
 	if channels == 3 {

core/image/png/png.odin

@@ -1002,7 +1002,7 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
 				o16 = o16[out_image_channels:]
 			}
 		case:
-			unreachable("We should never seen # channels other than 1-4 inclusive.")
+			panic("We should never seen # channels other than 1-4 inclusive.")
 		}
 
 		img.pixels = t
@@ -1195,7 +1195,7 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
 				o = o[out_image_channels:]
 			}
 		case:
-			unreachable("We should never seen # channels other than 1-4 inclusive.")
+			panic("We should never seen # channels other than 1-4 inclusive.")
 		}
 
 		img.pixels = t
@@ -1206,7 +1206,7 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
 			This may change if we ever don't expand 1, 2 and 4 bit images. But, those raw
 			returns will likely bypass this processing pipeline.
 		*/
-		unreachable("We should never see bit depths other than 8, 16 and 'Paletted' here.")
+		panic("We should never see bit depths other than 8, 16 and 'Paletted' here.")
 	}
 
 	return img, nil

core/io/util.odin

@@ -247,6 +247,30 @@ write_quoted_string :: proc(w: Writer, str: string, quote: byte = '"', n_written
 	return
 }
 
+// writer append a quoted rune into the byte buffer, return the written size
+write_quoted_rune :: proc(w: Writer, r: rune) -> (n: int) {
+	_write_byte :: #force_inline proc(w: Writer, c: byte) -> int {
+		err := write_byte(w, c)
+		return 1 if err == nil else 0
+	}
+
+	quote := byte('\'')
+	n += _write_byte(w, quote)
+	buf, width := utf8.encode_rune(r)
+	if width == 1 && r == utf8.RUNE_ERROR {
+		n += _write_byte(w, '\\')
+		n += _write_byte(w, 'x')
+		n += _write_byte(w, DIGITS_LOWER[buf[0]>>4])
+		n += _write_byte(w, DIGITS_LOWER[buf[0]&0xf])
+	} else {
+		i, _ := write_escaped_rune(w, r, quote)
+		n += i
+	}
+	n += _write_byte(w, quote)
+	return
+}
+
+
 
 
 Tee_Reader :: struct {

core/log/file_console_logger.odin

@@ -56,7 +56,7 @@ create_console_logger :: proc(lowest := Level.Debug, opt := Default_Console_Logg
 	return Logger{file_console_logger_proc, data, lowest, opt}
 }
 
-destroy_console_logger :: proc(log: ^Logger) {
+destroy_console_logger :: proc(log: Logger) {
 	free(log.data)
 }
 

core/log/log.odin

@@ -6,7 +6,6 @@ import "core:fmt"
 
 // NOTE(bill, 2019-12-31): These are defined in `package runtime` as they are used in the `context`. This is to prevent an import definition cycle.
 
-Level :: runtime.Logger_Level
 /*
 Logger_Level :: enum {
 	Debug   = 0,
@@ -16,8 +15,8 @@ Logger_Level :: enum {
 	Fatal   = 40,
 }
 */
+Level :: runtime.Logger_Level
 
-Option :: runtime.Logger_Option
 /*
 Option :: enum {
 	Level,
@@ -30,11 +29,12 @@ Option :: enum {
 	Terminal_Color
 }
 */
+Option :: runtime.Logger_Option
 
-Options :: runtime.Logger_Options
 /*
 Options :: bit_set[Option];
 */
+Options :: runtime.Logger_Options
 
 Full_Timestamp_Opts :: Options{
 	.Date,
@@ -52,12 +52,11 @@ Location_File_Opts :: Options{
 }
 
 
-Logger_Proc :: runtime.Logger_Proc
 /*
 Logger_Proc :: #type proc(data: rawptr, level: Level, text: string, options: Options, location := #caller_location);
 */
+Logger_Proc :: runtime.Logger_Proc
 
-Logger :: runtime.Logger
 /*
 Logger :: struct {
 	procedure:    Logger_Proc,
@@ -66,6 +65,7 @@ Logger :: struct {
 	options:   	  Logger_Options,
 }
 */
+Logger :: runtime.Logger
 
 nil_logger_proc :: proc(data: rawptr, level: Level, text: string, options: Options, location := #caller_location) {
 	// Do nothing
@@ -75,7 +75,6 @@ nil_logger :: proc() -> Logger {
 	return Logger{nil_logger_proc, nil, Level.Debug, nil}
 }
 
-// TODO(bill): Should these be redesigned so that they are do not rely upon `package fmt`?
 debugf :: proc(fmt_str: string, args: ..any, location := #caller_location) {
 	logf(level=.Debug,   fmt_str=fmt_str, args=args, location=location)
 }

core/log/log_allocator.odin

@@ -0,0 +1,107 @@
+package log
+
+import "core:runtime"
+
+Log_Allocator :: struct {
+	allocator: runtime.Allocator,
+	level:     Level,
+	prefix:    string,
+	locked:    bool,
+}
+
+log_allocator_init :: proc(la: ^Log_Allocator, level: Level, allocator := context.allocator, prefix := "") {
+	la.allocator = allocator
+	la.level = level
+	la.prefix = prefix
+	la.locked = false
+}
+
+
+log_allocator :: proc(la: ^Log_Allocator) -> runtime.Allocator {
+	return runtime.Allocator{
+		procedure = log_allocator_proc,
+		data = la,
+	}
+}
+
+log_allocator_proc :: proc(allocator_data: rawptr, mode: runtime.Allocator_Mode,
+                           size, alignment: int,
+                           old_memory: rawptr, old_size: int, location := #caller_location) -> ([]byte, runtime.Allocator_Error)  {
+	la := (^Log_Allocator)(allocator_data)
+
+	padding := " " if la.prefix != "" else ""
+
+	if !la.locked {
+		la.locked = true
+		defer la.locked = false
+
+		switch mode {
+		case .Alloc:
+			logf(
+				level=la.level,
+				fmt_str = "%s%s>>> ALLOCATOR(mode=.Alloc, size=%d, alignment=%d)",
+				args = {la.prefix, padding, size, alignment},
+				location = location,
+			)
+		case .Free:
+			if old_size != 0 {
+				logf(
+					level=la.level,
+					fmt_str = "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p, size=%d)",
+					args = {la.prefix, padding, old_memory, old_size},
+					location = location,
+				)
+			} else {
+				logf(
+					level=la.level,
+					fmt_str = "%s%s<<< ALLOCATOR(mode=.Free, ptr=%p)",
+					args = {la.prefix, padding, old_memory},
+					location = location,
+				)
+			}
+		case .Free_All:
+			logf(
+				level=la.level,
+				fmt_str = "%s%s<<< ALLOCATOR(mode=.Free_All)",
+				args = {la.prefix, padding},
+				location = location,
+			)
+		case .Resize:
+			logf(
+				level=la.level,
+				fmt_str = "%s%s>>> ALLOCATOR(mode=.Resize, ptr=%p, old_size=%d, size=%d, alignment=%d)",
+				args = {la.prefix, padding, old_memory, old_size, size, alignment},
+				location = location,
+			)
+		case .Query_Features:
+			logf(
+				level=la.level,
+				fmt_str = "%s%ALLOCATOR(mode=.Query_Features)",
+				args = {la.prefix, padding},
+				location = location,
+			)
+		case .Query_Info:
+			logf(
+				level=la.level,
+				fmt_str = "%s%ALLOCATOR(mode=.Query_Info)",
+				args = {la.prefix, padding},
+				location = location,
+			)
+		}
+	}
+
+	data, err := la.allocator.procedure(la.allocator.data, mode, size, alignment, old_memory, old_size, location)
+	if !la.locked {
+		la.locked = true
+		defer la.locked = false
+		if err != nil {
+			logf(
+				level=la.level,
+				fmt_str = "%s%ALLOCATOR ERROR=%v",
+				args = {la.prefix, padding, error},
+				location = location,
+			)
+		}
+	}
+	return data, err
+}

core/math/big/prime.odin

@@ -449,7 +449,7 @@ internal_int_is_prime :: proc(a: ^Int, miller_rabin_trials := int(-1), miller_ra
 			in the loop is non-zero, although very low.
 			-- NOTE(Jeroen): This is not yet true in Odin, but I have some ideas.
 
-			If the BPSW test and/or the addtional Frobenious test have been
+			If the BPSW test and/or the additional Frobenious test have been
 			performed instead of just the Miller-Rabin test with the bases 2 and 3,
 			a single extra test should suffice, so such a very unlikely event will not do much harm.
 

core/math/ease/ease.odin

@@ -325,9 +325,9 @@ ease :: proc "contextless" (type: Ease, p: $T) -> T
 	// in case type was invalid
 	return 0
 }
-
 Flux_Map :: struct($T: typeid) {
 	values: map[^T]Flux_Tween(T),
+	keys_to_be_deleted: [dynamic]^T,
 }
 
 Flux_Tween :: struct($T: typeid) {
@@ -353,15 +353,17 @@ Flux_Tween :: struct($T: typeid) {
 }
 
 // init flux map to a float type and a wanted cap
-flux_init :: proc($T: typeid, cap := 8) -> Flux_Map(T) where intrinsics.type_is_float(T) {
+flux_init :: proc($T: typeid, value_capacity := 8) -> Flux_Map(T) where intrinsics.type_is_float(T) {
 	return {
-		make(map[^T]Flux_Tween(T), cap),
+		values = make(map[^T]Flux_Tween(T), value_capacity),
+		keys_to_be_deleted = make([dynamic]^T, 0, value_capacity)
 	}
 }
 
 // delete map content
 flux_destroy :: proc(flux: Flux_Map($T)) where intrinsics.type_is_float(T) {
 	delete(flux.values)
+	delete(flux.keys_to_be_deleted)
 }
 
 // clear map content, stops all animations
@@ -374,8 +376,8 @@ flux_clear :: proc(flux: ^Flux_Map($T)) where intrinsics.type_is_float(T) {
 // return value can be used to set callbacks
 flux_to :: proc(
 	flux: ^Flux_Map($T),
-	value: ^f32, 
-	goal: f32, 
+	value: ^T, 
+	goal: T, 
 	type: Ease = .Quadratic_Out,
 	duration: time.Duration = time.Second, 
 	delay: f64 = 0,
@@ -413,6 +415,8 @@ flux_tween_init :: proc(tween: ^Flux_Tween($T), duration: time.Duration) where i
 // calls callbacks in all stages, when they're filled
 // deletes tween from the map after completion
 flux_update :: proc(flux: ^Flux_Map($T), dt: f64) where intrinsics.type_is_float(T) {
+	clear(&flux.keys_to_be_deleted)
+
 	for key, tween in &flux.values {
 		delay_remainder := f64(0)
 
@@ -451,7 +455,8 @@ flux_update :: proc(flux: ^Flux_Map($T), dt: f64) where intrinsics.type_is_float
 			}
 
 			if tween.progress >= 1 {
-				delete_key(&flux.values, key)
+				// append keys to array that will be deleted after the loop
+				append(&flux.keys_to_be_deleted, key)
 
 				if tween.on_complete != nil {
 					tween.on_complete(flux, tween.data)
@@ -459,17 +464,24 @@ flux_update :: proc(flux: ^Flux_Map($T), dt: f64) where intrinsics.type_is_float
 			}
 		}
 	}
+	
+	// loop through keys that should be deleted from the map
+	if len(flux.keys_to_be_deleted) != 0 {
+		for key in flux.keys_to_be_deleted {
+			delete_key(&flux.values, key)
+		}
+	}
 }
 
 // stop a specific key inside the map
 // returns true when it successfully removed the key
 flux_stop :: proc(flux: ^Flux_Map($T), key: ^T) -> bool where intrinsics.type_is_float(T) {
-    if key in flux.values {
-        delete_key(&flux.values, key)
-        return true
-    }
+	if key in flux.values {
+		delete_key(&flux.values, key)
+		return true
+	}
 
-    return false
+	return false
 }
 
 // returns the amount of time left for the tween animation, if the key exists in the map

core/math/linalg/specific.odin

@@ -476,21 +476,21 @@ quaternion_angle_axis :: proc{
 
 angle_from_quaternion_f16 :: proc(q: Quaternionf16) -> f16 {
 	if abs(q.w) > math.SQRT_THREE*0.5 {
-		return math.asin(q.x*q.x + q.y*q.y + q.z*q.z) * 2
+		return math.asin(math.sqrt(q.x*q.x + q.y*q.y + q.z*q.z)) * 2
 	}
 
 	return math.acos(q.w) * 2
 }
 angle_from_quaternion_f32 :: proc(q: Quaternionf32) -> f32 {
 	if abs(q.w) > math.SQRT_THREE*0.5 {
-		return math.asin(q.x*q.x + q.y*q.y + q.z*q.z) * 2
+		return math.asin(math.sqrt(q.x*q.x + q.y*q.y + q.z*q.z)) * 2
 	}
 
 	return math.acos(q.w) * 2
 }
 angle_from_quaternion_f64 :: proc(q: Quaternionf64) -> f64 {
 	if abs(q.w) > math.SQRT_THREE*0.5 {
-		return math.asin(q.x*q.x + q.y*q.y + q.z*q.z) * 2
+		return math.asin(math.sqrt(q.x*q.x + q.y*q.y + q.z*q.z)) * 2
 	}
 
 	return math.acos(q.w) * 2

core/math/math.odin

@@ -185,16 +185,23 @@ log       :: proc{
 	log_f64, log_f64le, log_f64be,
 }
 
-log2_f16   :: logb_f16
-log2_f16le :: logb_f16le
-log2_f16be :: logb_f16be
-log2_f32   :: logb_f32
-log2_f32le :: logb_f32le
-log2_f32be :: logb_f32be
-log2_f64   :: logb_f64
-log2_f64le :: logb_f64le
-log2_f64be :: logb_f64be
-log2       :: logb
+log2_f16   :: proc "contextless" (x: f16)   -> f16   { return log(f16(x), f16(2.0)) }
+log2_f16le :: proc "contextless" (x: f16le) -> f16le { return f16le(log_f16(f16(x), f16(2.0))) }
+log2_f16be :: proc "contextless" (x: f16be) -> f16be { return f16be(log_f16(f16(x), f16(2.0))) }
+
+log2_f32   :: proc "contextless" (x: f32)   -> f32   { return log(f32(x), f32(2.0)) }
+log2_f32le :: proc "contextless" (x: f32le) -> f32le { return f32le(log_f32(f32(x), f32(2.0))) }
+log2_f32be :: proc "contextless" (x: f32be) -> f32be { return f32be(log_f32(f32(x), f32(2.0))) }
+
+log2_f64   :: proc "contextless" (x: f64)   -> f64   { return log(f64(x), f64(2.0)) }
+log2_f64le :: proc "contextless" (x: f64le) -> f64le { return f64le(log_f64(f64(x), f64(2.0))) }
+log2_f64be :: proc "contextless" (x: f64be) -> f64be { return f64be(log_f64(f64(x), f64(2.0))) }
+
+log2       :: proc{
+	log2_f16, log2_f16le, log2_f16be,
+	log2_f32, log2_f32le, log2_f32be,
+	log2_f64, log2_f64le, log2_f64be,
+}
 
 log10_f16   :: proc "contextless" (x: f16)   -> f16   { return ln(x)/LN10 }
 log10_f16le :: proc "contextless" (x: f16le) -> f16le { return f16le(log10_f16(f16(x))) }
@@ -1357,7 +1364,7 @@ atan :: proc "contextless" (x: $T) -> T where intrinsics.type_is_float(T) {
 }
 
 asin :: proc "contextless" (x: $T) -> T where intrinsics.type_is_float(T) {
-	return atan2(x, 1 + sqrt(1 - x*x))
+	return atan2(x, sqrt(1 - x*x))
 }
 
 acos :: proc "contextless" (x: $T) -> T where intrinsics.type_is_float(T) {

core/mem/alloc.odin

@@ -61,114 +61,38 @@ DEFAULT_PAGE_SIZE ::
 	4 * 1024
 
 alloc :: proc(size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> rawptr {
-	if size == 0 {
-		return nil
-	}
-	if allocator.procedure == nil {
-		return nil
-	}
-	data, err := allocator.procedure(allocator.data, Allocator_Mode.Alloc, size, alignment, nil, 0, loc)
-	_ = err
+	data, _ := runtime.mem_alloc(size, alignment, allocator, loc)
 	return raw_data(data)
 }
 
 alloc_bytes :: proc(size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> ([]byte, Allocator_Error) {
-	if size == 0 {
-		return nil, nil
-	}
-	if allocator.procedure == nil {
-		return nil, nil
-	}
-	return allocator.procedure(allocator.data, Allocator_Mode.Alloc, size, alignment, nil, 0, loc)
+	return runtime.mem_alloc(size, alignment, allocator, loc)
 }
 
 free :: proc(ptr: rawptr, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
-	if ptr == nil {
-		return nil
-	}
-	if allocator.procedure == nil {
-		return nil
-	}
-	_, err := allocator.procedure(allocator.data, Allocator_Mode.Free, 0, 0, ptr, 0, loc)
-	return err
+	return runtime.mem_free(ptr, allocator, loc)
 }
 
 free_bytes :: proc(bytes: []byte, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
-	if bytes == nil {
-		return nil
-	}
-	if allocator.procedure == nil {
-		return nil
-	}
-	_, err := allocator.procedure(allocator.data, Allocator_Mode.Free, 0, 0, raw_data(bytes), len(bytes), loc)
-	return err
+	return runtime.mem_free_bytes(bytes, allocator, loc)
 }
 
 free_all :: proc(allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
-	if allocator.procedure != nil {
-		_, err := allocator.procedure(allocator.data, Allocator_Mode.Free_All, 0, 0, nil, 0, loc)
-		return err
-	}
-	return nil
+	return runtime.mem_free_all(allocator, loc)
 }
 
 resize :: proc(ptr: rawptr, old_size, new_size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> rawptr {
-	if allocator.procedure == nil {
-		return nil
-	}
-	if new_size == 0 {
-		if ptr != nil {
-			allocator.procedure(allocator.data, Allocator_Mode.Free, 0, 0, ptr, old_size, loc)
-		}
-		return nil
-	} else if ptr == nil {
-		_, err := allocator.procedure(allocator.data, Allocator_Mode.Alloc, new_size, alignment, nil, 0, loc)
-		_ = err
-		return nil
-	}
-	data, err := allocator.procedure(allocator.data, Allocator_Mode.Resize, new_size, alignment, ptr, old_size, loc)
-	if err == .Mode_Not_Implemented {
-		data, err = allocator.procedure(allocator.data, Allocator_Mode.Alloc, new_size, alignment, nil, 0, loc)
-		if err != nil {
-			return nil
-		}
-		runtime.copy(data, byte_slice(ptr, old_size))
-		_, err = allocator.procedure(allocator.data, Allocator_Mode.Free, 0, 0, ptr, old_size, loc)
-		return raw_data(data)
-	}
+	data, _ := runtime.mem_resize(ptr, old_size, new_size, alignment, allocator, loc)
 	return raw_data(data)
 }
 
 resize_bytes :: proc(old_data: []byte, new_size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> ([]byte, Allocator_Error) {
-	if allocator.procedure == nil {
-		return nil, nil
-	}
-	ptr := raw_data(old_data)
-	old_size := len(old_data)
-	if new_size == 0 {
-		if ptr != nil {
-			_, err := allocator.procedure(allocator.data, Allocator_Mode.Free, 0, 0, ptr, old_size, loc)
-			return nil, err
-		}
-		return nil, nil
-	} else if ptr == nil {
-		return allocator.procedure(allocator.data, Allocator_Mode.Alloc, new_size, alignment, nil, 0, loc)
-	}
-	data, err := allocator.procedure(allocator.data, Allocator_Mode.Resize, new_size, alignment, ptr, old_size, loc)
-	if err == .Mode_Not_Implemented {
-		data, err = allocator.procedure(allocator.data, Allocator_Mode.Alloc, new_size, alignment, nil, 0, loc)
-		if err != nil {
-			return data, err
-		}
-		runtime.copy(data, old_data)
-		_, err = allocator.procedure(allocator.data, Allocator_Mode.Free, 0, 0, ptr, old_size, loc)
-	}
-	return data, err
+	return runtime.mem_resize(raw_data(old_data), len(old_data), new_size, alignment, allocator, loc)
 }
 
 query_features :: proc(allocator: Allocator, loc := #caller_location) -> (set: Allocator_Mode_Set) {
 	if allocator.procedure != nil {
-		allocator.procedure(allocator.data, Allocator_Mode.Query_Features, 0, 0, &set, 0, loc)
+		allocator.procedure(allocator.data, .Query_Features, 0, 0, &set, 0, loc)
 		return set
 	}
 	return nil
@@ -177,7 +101,7 @@ query_features :: proc(allocator: Allocator, loc := #caller_location) -> (set: A
 query_info :: proc(pointer: rawptr, allocator: Allocator, loc := #caller_location) -> (props: Allocator_Query_Info) {
 	props.pointer = pointer
 	if allocator.procedure != nil {
-		allocator.procedure(allocator.data, Allocator_Mode.Query_Info, 0, 0, &props, 0, loc)
+		allocator.procedure(allocator.data, .Query_Info, 0, 0, &props, 0, loc)
 	}
 	return
 }

core/mem/allocators.odin

@@ -31,6 +31,14 @@ Arena_Temp_Memory :: struct {
 }
 
 
+arena_init :: proc(a: ^Arena, data: []byte) {
+	a.data       = data
+	a.offset     = 0
+	a.peak_used  = 0
+	a.temp_count = 0
+}
+
+@(deprecated="prefer 'mem.arena_init'")
 init_arena :: proc(a: ^Arena, data: []byte) {
 	a.data       = data
 	a.offset     = 0
@@ -293,6 +301,14 @@ Stack :: struct {
 	peak_used: int,
 }
 
+stack_init :: proc(s: ^Stack, data: []byte) {
+	s.data = data
+	s.prev_offset = 0
+	s.curr_offset = 0
+	s.peak_used = 0
+}
+
+@(deprecated="prefer 'mem.stack_init'")
 init_stack :: proc(s: ^Stack, data: []byte) {
 	s.data = data
 	s.prev_offset = 0
@@ -445,27 +461,34 @@ Small_Stack_Allocation_Header :: struct {
 
 // Small_Stack is a stack-like allocator which uses the smallest possible header but at the cost of non-strict memory freeing order
 Small_Stack :: struct {
-	data: []byte,
-	offset: int,
+	data:      []byte,
+	offset:    int,
 	peak_used: int,
 }
 
+small_stack_init :: proc(s: ^Small_Stack, data: []byte) {
+	s.data      = data
+	s.offset    = 0
+	s.peak_used = 0
+}
+
+@(deprecated="prefer 'small_stack_init'")
 init_small_stack :: proc(s: ^Small_Stack, data: []byte) {
-	s.data = data
-	s.offset = 0
+	s.data      = data
+	s.offset    = 0
 	s.peak_used = 0
 }
 
 small_stack_allocator :: proc(stack: ^Small_Stack) -> Allocator {
 	return Allocator{
 		procedure = small_stack_allocator_proc,
-		data = stack,
+		data      = stack,
 	}
 }
 
 small_stack_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
                                    size, alignment: int,
-                                   old_memory: rawptr, old_size: int, ocation := #caller_location) -> ([]byte, Allocator_Error) {
+                                   old_memory: rawptr, old_size: int, location := #caller_location) -> ([]byte, Allocator_Error) {
 	s := cast(^Small_Stack)allocator_data
 
 	if s.data == nil {

core/mem/raw.odin

@@ -8,6 +8,7 @@ Raw_Cstring       :: runtime.Raw_Cstring
 Raw_Slice         :: runtime.Raw_Slice
 Raw_Dynamic_Array :: runtime.Raw_Dynamic_Array
 Raw_Map           :: runtime.Raw_Map
+Raw_Soa_Pointer   :: runtime.Raw_Soa_Pointer
 
 Raw_Complex64     :: struct {real, imag: f32}
 Raw_Complex128    :: struct {real, imag: f64}

core/mem/virtual/arena_util.odin

@@ -1,5 +1,10 @@
 package mem_virtual
 
+arena_init :: proc{
+	static_arena_init,
+	growing_arena_init,
+}
+
 arena_temp_begin :: proc{
 	static_arena_temp_begin,
 	growing_arena_temp_begin,

core/mem/virtual/growing_arena.odin

@@ -13,6 +13,13 @@ Growing_Arena :: struct {
 
 DEFAULT_MINIMUM_BLOCK_SIZE :: 1<<20 // 1 MiB should be enough
 
+growing_arena_init :: proc(arena: ^Static_Arena, reserved: uint = DEFAULT_MINIMUM_BLOCK_SIZE) -> (err: Allocator_Error) {
+	arena.block = memory_block_alloc(0, reserved, {}) or_return
+	arena.total_used = 0
+	arena.total_reserved = arena.block.reserved
+	return
+}
+
 growing_arena_alloc :: proc(arena: ^Growing_Arena, min_size: int, alignment: int) -> (data: []byte, err: Allocator_Error) {
 	align_forward_offset :: proc "contextless" (arena: ^Growing_Arena, alignment: int) -> uint #no_bounds_check {
 		alignment_offset := uint(0)
@@ -37,7 +44,7 @@ growing_arena_alloc :: proc(arena: ^Growing_Arena, min_size: int, alignment: int
 		
 		block_size := max(size, arena.minimum_block_size)
 		
-		new_block := memory_block_alloc(block_size, block_size, {}) or_return
+		new_block := memory_block_alloc(size, block_size, {}) or_return
 		new_block.prev = arena.curr_block
 		arena.curr_block = new_block
 		arena.total_reserved += new_block.reserved	

core/mem/virtual/virtual_darwin.odin

@@ -0,0 +1,148 @@
+//+build darwin
+//+private
+package mem_virtual
+
+foreign import libc "System.framework"
+import "core:c"
+
+PROT_NONE  :: 0x0 /* [MC2] no permissions */
+PROT_READ  :: 0x1 /* [MC2] pages can be read */
+PROT_WRITE :: 0x2 /* [MC2] pages can be written */
+PROT_EXEC  :: 0x4 /* [MC2] pages can be executed */
+
+// Sharing options
+MAP_SHARED    :: 0x1 /* [MF|SHM] share changes */
+MAP_PRIVATE   :: 0x2 /* [MF|SHM] changes are private */
+
+// Other flags
+MAP_FIXED        :: 0x0010 /* [MF|SHM] interpret addr exactly */
+MAP_RENAME       :: 0x0020 /* Sun: rename private pages to file */
+MAP_NORESERVE    :: 0x0040 /* Sun: don't reserve needed swap area */
+MAP_RESERVED0080 :: 0x0080 /* previously unimplemented MAP_INHERIT */
+MAP_NOEXTEND     :: 0x0100 /* for MAP_FILE, don't change file size */
+MAP_HASSEMAPHORE :: 0x0200 /* region may contain semaphores */
+MAP_NOCACHE      :: 0x0400 /* don't cache pages for this mapping */
+MAP_JIT          :: 0x0800 /* Allocate a region that will be used for JIT purposes */
+
+// Mapping type
+MAP_FILE         :: 0x0000  /* map from file (default) */
+MAP_ANONYMOUS    :: 0x1000  /* allocated from memory, swap space */
+
+
+/*
+ * The MAP_RESILIENT_* flags can be used when the caller wants to map some
+ * possibly unreliable memory and be able to access it safely, possibly
+ * getting the wrong contents rather than raising any exception.
+ * For safety reasons, such mappings have to be read-only (PROT_READ access
+ * only).
+ *
+ * MAP_RESILIENT_CODESIGN:
+ *      accessing this mapping will not generate code-signing violations,
+ *	even if the contents are tainted.
+ * MAP_RESILIENT_MEDIA:
+ *	accessing this mapping will not generate an exception if the contents
+ *	are not available (unreachable removable or remote media, access beyond
+ *	end-of-file, ...).  Missing contents will be replaced with zeroes.
+ */
+MAP_RESILIENT_CODESIGN :: 0x2000 /* no code-signing failures */
+MAP_RESILIENT_MEDIA    :: 0x4000 /* no backing-store failures */
+
+MAP_32BIT        :: 0x8000          /* Return virtual addresses <4G only */
+
+// Flags used to support translated processes.
+MAP_TRANSLATED_ALLOW_EXECUTE :: 0x20000 /* allow execute in translated processes */
+MAP_UNIX03       :: 0x40000 /* UNIX03 compliance */
+
+// Process memory locking
+MCL_CURRENT     :: 0x0001  /* [ML] Lock only current memory */
+MCL_FUTURE      :: 0x0002  /* [ML] Lock all future memory as well */
+
+MADV_NORMAL      :: 0 /* [MC1] no further special treatment */
+MADV_RANDOM      :: 1 /* [MC1] expect random page refs */
+MADV_SEQUENTIAL  :: 2 /* [MC1] expect sequential page refs */
+MADV_WILLNEED    :: 3 /* [MC1] will need these pages */
+MADV_DONTNEED    :: 4 /* [MC1] dont need these pages */
+MADV_FREE        :: 5 /* pages unneeded, discard contents */
+MADV_ZERO_WIRED_PAGES :: 6 /* zero the wired pages that have not been unwired before the entry is deleted */
+MADV_FREE_REUSABLE :: 7 /* pages can be reused (by anyone) */
+MADV_FREE_REUSE  :: 8 /* caller wants to reuse those pages */
+MADV_CAN_REUSE   :: 9
+MADV_PAGEOUT     :: 10 /* page out now (internal only) */
+
+// msync() flags
+MS_ASYNC        :: 0x0001  /* [MF|SIO] return immediately */
+MS_INVALIDATE   :: 0x0002  /* [MF|SIO] invalidate all cached data */
+MS_SYNC         :: 0x0010  /* [MF|SIO] msync synchronously */
+MS_KILLPAGES    :: 0x0004  /* invalidate pages, leave mapped */
+MS_DEACTIVATE   :: 0x0008  /* deactivate pages, leave mapped */
+
+// Return bits from mincore
+MINCORE_INCORE           :: 0x1      /* Page is incore */
+MINCORE_REFERENCED       :: 0x2      /* Page has been referenced by us */
+MINCORE_MODIFIED         :: 0x4      /* Page has been modified by us */
+MINCORE_REFERENCED_OTHER :: 0x8      /* Page has been referenced */
+MINCORE_MODIFIED_OTHER   :: 0x10     /* Page has been modified */
+MINCORE_PAGED_OUT        :: 0x20     /* Page has been paged out */
+MINCORE_COPIED           :: 0x40     /* Page has been copied */
+MINCORE_ANONYMOUS        :: 0x80     /* Page belongs to an anonymous object */
+
+// Allocation failure result
+MAP_FAILED : rawptr = rawptr(~uintptr(0))
+
+foreign libc {
+	@(link_name="mlockall")         _mlockall           :: proc(flags: c.int) -> c.int ---
+	@(link_name="munlockall")       _munlockall         :: proc() -> c.int ---
+	@(link_name="mlock")            _mlock              :: proc(addr: rawptr, len: c.size_t) -> c.int ---
+	@(link_name="mmap")             _mmap               :: proc(addr: rawptr, len: c.size_t, prot: c.int, flags: c.int, fd: c.int, offset: int) -> rawptr ---
+	@(link_name="mprotect")         _mprotect           :: proc(addr: rawptr, len: c.size_t, prot: c.int) -> c.int ---
+	@(link_name="msync")            _msync              :: proc(addr: rawptr, len: c.size_t) -> c.int ---
+	@(link_name="munlock")          _munlock            :: proc(addr: rawptr, len: c.size_t) -> c.int ---
+	@(link_name="munmap")           _munmap             :: proc(addr: rawptr, len: c.size_t) -> c.int ---
+	@(link_name="shm_open")         _shm_open           :: proc(name: cstring, oflag: c.int, #c_vararg args: ..any) -> c.int ---
+	@(link_name="shm_unlink")       _shm_unlink         :: proc(name: cstring) -> c.int ---
+	@(link_name="posix_madvise")    _posix_madvise      :: proc(addr: rawptr, len: c.size_t, advice: c.int) -> c.int ---
+	@(link_name="madvise")          _madvise            :: proc(addr: rawptr, len: c.size_t, advice: c.int) -> c.int ---
+	@(link_name="mincore")          _mincore            :: proc(addr: rawptr, len: c.size_t, vec: cstring) -> c.int ---
+	@(link_name="minherit")         _minherit           :: proc(addr: rawptr, len: c.size_t, inherit: c.int) -> c.int ---
+}
+
+
+_reserve :: proc "contextless" (size: uint) -> (data: []byte, err: Allocator_Error) {
+	result := _mmap(nil, size, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
+	if result == MAP_FAILED {
+		return nil, .Out_Of_Memory
+	}
+	return ([^]byte)(uintptr(result))[:size], nil
+}
+
+_commit :: proc "contextless" (data: rawptr, size: uint) -> Allocator_Error {
+	result := _mprotect(data, size, PROT_READ|PROT_WRITE)
+	if result != 0 {
+		return .Out_Of_Memory
+	}
+	return nil
+}
+_decommit :: proc "contextless" (data: rawptr, size: uint) {
+	_mprotect(data, size, PROT_NONE)
+	_madvise(data, size, MADV_FREE)
+}
+_release :: proc "contextless" (data: rawptr, size: uint) {
+	_munmap(data, size)
+}
+_protect :: proc "contextless" (data: rawptr, size: uint, flags: Protect_Flags) -> bool {
+	pflags: c.int
+	pflags = PROT_NONE
+	if .Read    in flags { pflags |= PROT_READ  }
+	if .Write   in flags { pflags |= PROT_WRITE }
+	if .Execute in flags { pflags |= PROT_EXEC  }
+	err := _mprotect(data, size, pflags)
+	return err != 0
+}
+
+
+_platform_memory_init :: proc() {
+	DEFAULT_PAGE_SIZE = 4096
+	
+	// is power of two
+	assert(DEFAULT_PAGE_SIZE != 0 && (DEFAULT_PAGE_SIZE & (DEFAULT_PAGE_SIZE-1)) == 0)
+}

core/odin/ast/ast.odin

@@ -552,13 +552,20 @@ unparen_expr :: proc(expr: ^Expr) -> (val: ^Expr) {
 	return
 }
 
+Field_Flags :: distinct bit_set[Field_Flag]
+
 Field_Flag :: enum {
+	Invalid,
+	Unknown,
+
 	Ellipsis,
 	Using,
 	No_Alias,
 	C_Vararg,
 	Auto_Cast,
 	Any_Int,
+	Subtype,
+	By_Ptr,
 
 	Results,
 	Tags,
@@ -566,11 +573,38 @@ Field_Flag :: enum {
 	Typeid_Token,
 }
 
-Field_Flags :: distinct bit_set[Field_Flag]
+field_flag_strings := [Field_Flag]string{
+	.Invalid            = "",
+	.Unknown            = "",
+
+	.Ellipsis           = "..",
+	.Using              = "using",
+	.No_Alias           = "#no_alias",
+	.C_Vararg           = "#c_vararg",
+	.Auto_Cast          = "auto_cast",
+	.Any_Int            = "#any_int",
+	.Subtype            = "#subtype",
+	.By_Ptr             = "#by_ptr",
+
+	.Results            = "results",
+	.Tags               = "field tag",
+	.Default_Parameters = "default parameters",
+	.Typeid_Token       = "typeid",
+}
+
+field_hash_flag_strings := []struct{key: string, flag: Field_Flag}{
+	{"no_alias", .No_Alias},
+	{"c_vararg", .C_Vararg},
+	{"any_int",  .Any_Int},
+	{"subtype",  .Subtype},
+	{"by_ptr",   .By_Ptr},
+}
+
 
 Field_Flags_Struct :: Field_Flags{
 	.Using,
 	.Tags,
+	.Subtype,
 }
 Field_Flags_Record_Poly_Params :: Field_Flags{
 	.Typeid_Token,
@@ -583,6 +617,7 @@ Field_Flags_Signature :: Field_Flags{
 	.C_Vararg,
 	.Auto_Cast,
 	.Any_Int,
+	.By_Ptr,
 	.Default_Parameters,
 }
 
@@ -665,6 +700,7 @@ Proc_Type :: struct {
 
 Pointer_Type :: struct {
 	using node: Expr,
+	tag:     ^Expr,
 	pointer: tokenizer.Pos,
 	elem:    ^Expr,
 }

core/odin/ast/clone.odin

@@ -286,6 +286,7 @@ clone_node :: proc(node: ^Node) -> ^Node {
 		r.results = auto_cast clone(r.results)
 	case ^Pointer_Type:
 		r.elem = clone(r.elem)
+		r.tag  = clone(r.tag)
 	case ^Multi_Pointer_Type:
 		r.elem = clone(r.elem)
 	case ^Array_Type:

core/odin/doc-format/doc_format.odin

@@ -186,6 +186,7 @@ Type_Kind :: enum u32le {
 	Relative_Slice     = 21,
 	Multi_Pointer      = 22,
 	Matrix             = 23,
+	Soa_Pointer        = 24,
 }
 
 Type_Elems_Cap :: 4
@@ -245,6 +246,7 @@ Type :: struct {
 	// .Relative_Slice     - 2 types:   0=slice type, 1=base integer
 	// .Multi_Pointer      - 1 type:    0=element
 	// .Matrix             - 1 type:    0=element
+	// .Soa_Pointer        - 1 type:    0=element
 	types: Array(Type_Index),
 
 	// Used by:

core/odin/parser/parser.odin

@@ -1611,20 +1611,6 @@ new_ast_field :: proc(names: []^ast.Expr, type: ^ast.Expr, default_value: ^ast.E
 	return field
 }
 
-
-Field_Prefix :: enum {
-	Invalid,
-	Unknown,
-
-	Using,
-	No_Alias,
-	C_Vararg,
-	Auto_Cast,
-	Any_Int,
-}
-
-Field_Prefixes :: distinct bit_set[Field_Prefix]
-
 Expr_And_Flags :: struct {
 	expr:  ^ast.Expr,
 	flags: ast.Field_Flags,
@@ -1666,7 +1652,7 @@ convert_to_ident_list :: proc(p: ^Parser, list: []Expr_And_Flags, ignore_flags,
 	return idents[:]
 }
 
-is_token_field_prefix :: proc(p: ^Parser) -> Field_Prefix {
+is_token_field_prefix :: proc(p: ^Parser) -> ast.Field_Flag {
 	#partial switch p.curr_tok.kind {
 	case .EOF:
 		return .Invalid
@@ -1677,17 +1663,15 @@ is_token_field_prefix :: proc(p: ^Parser) -> Field_Prefix {
 		advance_token(p)
 		return .Auto_Cast
 	case .Hash:
+		tok: tokenizer.Token
 		advance_token(p)
-		defer advance_token(p)
-		#partial switch p.curr_tok.kind {
-		case .Ident:
-			switch p.curr_tok.text {
-			case "no_alias":
-				return .No_Alias
-			case "c_vararg":
-				return .C_Vararg
-			case "any_int":
-				return .Any_Int
+		tok = p.curr_tok
+		advance_token(p)
+		if tok.kind == .Ident {
+			for kf in ast.field_hash_flag_strings {
+				if kf.key == tok.text {
+					return kf.flag
+				}
 			}
 		}
 		return .Unknown
@@ -1695,8 +1679,8 @@ is_token_field_prefix :: proc(p: ^Parser) -> Field_Prefix {
 	return .Invalid
 }
 
-parse_field_prefixes :: proc(p: ^Parser) -> ast.Field_Flags {
-	counts: [len(Field_Prefix)]int
+parse_field_prefixes :: proc(p: ^Parser) -> (flags: ast.Field_Flags) {
+	counts: [len(ast.Field_Flag)]int
 
 	for {
 		kind := is_token_field_prefix(p)
@@ -1712,31 +1696,17 @@ parse_field_prefixes :: proc(p: ^Parser) -> ast.Field_Flags {
 		counts[kind] += 1
 	}
 
-	flags: ast.Field_Flags
-
-	for kind in Field_Prefix {
+	for kind in ast.Field_Flag {
 		count := counts[kind]
-		switch kind {
-		case .Invalid, .Unknown: // Ignore
-		case .Using:
-			if count > 1 { error(p, p.curr_tok.pos, "multiple 'using' in this field list") }
-			if count > 0 { flags += {.Using} }
-		case .No_Alias:
-			if count > 1 { error(p, p.curr_tok.pos, "multiple '#no_alias' in this field list") }
-			if count > 0 { flags += {.No_Alias} }
-		case .C_Vararg:
-			if count > 1 { error(p, p.curr_tok.pos, "multiple '#c_vararg' in this field list") }
-			if count > 0 { flags += {.C_Vararg} }
-		case .Auto_Cast:
-			if count > 1 { error(p, p.curr_tok.pos, "multiple 'auto_cast' in this field list") }
-			if count > 0 { flags += {.Auto_Cast} }
-		case .Any_Int:
-			if count > 1 { error(p, p.curr_tok.pos, "multiple '#any_int' in this field list") }
-			if count > 0 { flags += {.Any_Int} }
+		if kind == .Invalid || kind == .Unknown {
+			// Ignore
+		} else {
+			if count > 1 { error(p, p.curr_tok.pos, "multiple '%s' in this field list", ast.field_flag_strings[kind]) }
+			if count > 0 { flags += {kind} }
 		}
 	}
 
-	return flags
+	return
 }
 
 check_field_flag_prefixes :: proc(p: ^Parser, name_count: int, allowed_flags, set_flags: ast.Field_Flags) -> (flags: ast.Field_Flags) {
@@ -1748,19 +1718,13 @@ check_field_flag_prefixes :: proc(p: ^Parser, name_count: int, allowed_flags, se
 
 	for flag in ast.Field_Flag {
 		if flag not_in allowed_flags && flag in flags {
-			switch flag {
-			case .Using:
-				error(p, p.curr_tok.pos, "'using' is not allowed within this field list")
-			case .No_Alias:
-				error(p, p.curr_tok.pos, "'#no_alias' is not allowed within this field list")
-			case .C_Vararg:
-				error(p, p.curr_tok.pos, "'#c_vararg' is not allowed within this field list")
-			case .Auto_Cast:
-				error(p, p.curr_tok.pos, "'auto_cast' is not allowed within this field list")
-			case .Any_Int:
-				error(p, p.curr_tok.pos, "'#any_int' is not allowed within this field list")
+			#partial switch flag {
+			case .Unknown, .Invalid:
+				// ignore
 			case .Tags, .Ellipsis, .Results, .Default_Parameters, .Typeid_Token:
 				panic("Impossible prefixes")
+			case:
+				error(p, p.curr_tok.pos, "'%s' is not allowed within this field list", ast.field_flag_strings[flag])
 			}
 			flags -= {flag}
 		}
@@ -2271,7 +2235,7 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 			return parse_call_expr(p, bd)
 
 
-		case "soa", "simd":
+		case "soa":
 			bd := ast.new(ast.Basic_Directive, tok.pos, end_pos(name))
 			bd.tok  = tok
 			bd.name = name.text
@@ -2280,6 +2244,20 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 			#partial switch t in type.derived_expr {
 			case ^ast.Array_Type:         t.tag = bd
 			case ^ast.Dynamic_Array_Type: t.tag = bd
+			case ^ast.Pointer_Type:       t.tag = bd
+			case:
+				error(p, original_type.pos, "expected an array or pointer type after #%s", name.text)
+			}
+			return original_type
+
+		case "simd":
+			bd := ast.new(ast.Basic_Directive, tok.pos, end_pos(name))
+			bd.tok  = tok
+			bd.name = name.text
+			original_type := parse_type(p)
+			type := ast.unparen_expr(original_type)
+			#partial switch t in type.derived_expr {
+			case ^ast.Array_Type:         t.tag = bd
 			case:
 				error(p, original_type.pos, "expected an array type after #%s", name.text)
 			}
@@ -2631,7 +2609,6 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 		tok := expect_token(p, .Union)
 		poly_params: ^ast.Field_List
 		align:       ^ast.Expr
-		is_maybe:      bool
 		is_no_nil:     bool
 		is_shared_nil: bool
 
@@ -2656,10 +2633,7 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 				}
 				align = parse_expr(p, true)
 			case "maybe":
-				if is_maybe {
-					error(p, tag.pos, "duplicate union tag '#%s'", tag.text)
-				}
-				is_maybe = true
+				error(p, tag.pos, "#%s functionality has now been merged with standard 'union' functionality", tag.text)
 			case "no_nil":
 				if is_no_nil {
 					error(p, tag.pos, "duplicate union tag '#%s'", tag.text)
@@ -2676,19 +2650,12 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 		}
 		p.expr_level = prev_level
 
-		if is_no_nil && is_maybe {
-			error(p, p.curr_tok.pos, "#maybe and #no_nil cannot be applied together")
-		}
 		if is_no_nil && is_shared_nil {
 			error(p, p.curr_tok.pos, "#shared_nil and #no_nil cannot be applied together")
 		}
-		if is_shared_nil && is_maybe {
-			error(p, p.curr_tok.pos, "#maybe and #shared_nil cannot be applied together")
-		}
 
 		union_kind := ast.Union_Type_Kind.Normal
 		switch {
-		case is_maybe:      union_kind = .maybe
 		case is_no_nil:     union_kind = .no_nil
 		case is_shared_nil: union_kind = .shared_nil
 		}

core/odin/printer/printer.odin

@@ -151,7 +151,7 @@ print :: proc(p: ^Printer, file: ^ast.File) -> string {
 
 	fix_lines(p)
 
-	builder := strings.make_builder(0, 5 * mem.Megabyte, p.allocator)
+	builder := strings.builder_make(0, 5 * mem.Megabyte, p.allocator)
 
 	last_line := 0
 

core/odin/printer/visit.odin

@@ -71,7 +71,7 @@ push_comment :: proc(p: ^Printer, comment: tokenizer.Token) -> int {
 
 		return 0
 	} else {
-		builder := strings.make_builder(context.temp_allocator)
+		builder := strings.builder_make(context.temp_allocator)
 
 		c_len      := len(comment.text)
 		trim_space := true
@@ -90,12 +90,12 @@ push_comment :: proc(p: ^Printer, comment: tokenizer.Token) -> int {
 				continue
 			case c == '\r' && comment.text[min(c_len - 1, i + 1)] == '\n':
 				append(&multilines, strings.to_string(builder))
-				builder = strings.make_builder(context.temp_allocator)
+				builder = strings.builder_make(context.temp_allocator)
 				trim_space = true
 				i += 1
 			case c == '\n':
 				append(&multilines, strings.to_string(builder))
-				builder = strings.make_builder(context.temp_allocator)
+				builder = strings.builder_make(context.temp_allocator)
 				trim_space = true
 			case c == '/' && comment.text[min(c_len - 1, i + 1)] == '*':
 				strings.write_string(&builder, "/*")

core/os/dir_freebsd.odin

@@ -1,6 +1,5 @@
 package os
 
-import "core:strings"
 import "core:mem"
 
 read_dir :: proc(fd: Handle, n: int, allocator := context.allocator) -> (fi: []File_Info, err: Errno) {
@@ -51,10 +50,13 @@ read_dir :: proc(fd: Handle, n: int, allocator := context.allocator) -> (fi: []F
 			continue
 		}
 
-		fullpath := strings.join( []string{ dirpath, filename }, "/", context.temp_allocator)
+		fullpath := make([]byte, len(dirpath)+1+len(filename))
+		copy(fullpath, dirpath)
+		copy(fullpath[len(dirpath):], "/")
+		copy(fullpath[len(dirpath)+1:], filename)
 		defer delete(fullpath, context.temp_allocator)
 
-		fi_, err = stat(fullpath, allocator)
+		fi_, err = stat(string(fullpath), allocator)
 		if err != ERROR_NONE {
 			for fi__ in dfi {
 				file_info_delete(fi__, allocator)

core/os/env_windows.odin

@@ -11,24 +11,24 @@ lookup_env :: proc(key: string, allocator := context.allocator) -> (value: strin
 		return
 	}
 	wkey := win32.utf8_to_wstring(key)
-	b := make([dynamic]u16, 100, context.temp_allocator)
-	for {
-		n := win32.GetEnvironmentVariableW(wkey, raw_data(b), u32(len(b)))
-		if n == 0 {
-			err := win32.GetLastError()
-			if err == u32(ERROR_ENVVAR_NOT_FOUND) {
-				return "", false
-			}
+	n := win32.GetEnvironmentVariableW(wkey, nil, 0)
+	if n == 0 {
+		err := win32.GetLastError()
+		if err == u32(ERROR_ENVVAR_NOT_FOUND) {
+			return "", false
 		}
-
-		if n <= u32(len(b)) {
-			value, _ = win32.utf16_to_utf8(b[:n], allocator)
-			found = true
-			return
-		}
-
-		resize(&b, len(b)*2)
 	}
+	b := make([dynamic]u16, n, context.temp_allocator)
+	n = win32.GetEnvironmentVariableW(wkey, raw_data(b), u32(len(b)))
+	if n == 0 {
+		err := win32.GetLastError()
+		if err == u32(ERROR_ENVVAR_NOT_FOUND) {
+			return "", false
+		}
+	}
+	value, _ = win32.utf16_to_utf8(b[:n], allocator)
+	found = true
+	return
 }
 
 

core/os/os2/user.odin

@@ -6,19 +6,19 @@ import "core:runtime"
 user_cache_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
 	#partial switch ODIN_OS {
 	case .Windows:
-		dir = get_env("LocalAppData")
+		dir = get_env("LocalAppData", allocator)
 		if dir != "" {
 			dir = strings.clone_safe(dir, allocator) or_return
 		}
 	case .Darwin:
-		dir = get_env("HOME")
+		dir = get_env("HOME", allocator)
 		if dir != "" {
 			dir = strings.concatenate_safe({dir, "/Library/Caches"}, allocator) or_return
 		}
 	case: // All other UNIX systems
-		dir = get_env("XDG_CACHE_HOME")
+		dir = get_env("XDG_CACHE_HOME", allocator)
 		if dir == "" {
-			dir = get_env("HOME")
+			dir = get_env("HOME", allocator)
 			if dir == "" {
 				return
 			}
@@ -34,19 +34,19 @@ user_cache_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error
 user_config_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
 	#partial switch ODIN_OS {
 	case .Windows:
-		dir = get_env("AppData")
+		dir = get_env("AppData", allocator)
 		if dir != "" {
 			dir = strings.clone_safe(dir, allocator) or_return
 		}
 	case .Darwin:
-		dir = get_env("HOME")
+		dir = get_env("HOME", allocator)
 		if dir != "" {
 			dir = strings.concatenate_safe({dir, "/Library/Application Support"}, allocator) or_return
 		}
 	case: // All other UNIX systems
-		dir = get_env("XDG_CACHE_HOME")
+		dir = get_env("XDG_CACHE_HOME", allocator)
 		if dir == "" {
-			dir = get_env("HOME")
+			dir = get_env("HOME", allocator)
 			if dir == "" {
 				return
 			}
@@ -59,13 +59,13 @@ user_config_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Erro
 	return
 }
 
-user_home_dir :: proc() -> (dir: string, err: Error) {
+user_home_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
 	env := "HOME"
 	#partial switch ODIN_OS {
 	case .Windows:
 		env = "USERPROFILE"
 	}
-	if v := get_env(env); v != "" {
+	if v := get_env(env, allocator); v != "" {
 		return v, nil
 	}
 	return "", .Invalid_Path

core/os/os_freebsd.odin

@@ -241,13 +241,13 @@ S_ISGID :: 0o2000 // Set group id on execution
 S_ISVTX :: 0o1000 // Directory restrcted delete
 
 
-S_ISLNK  :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFLNK
-S_ISREG  :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFREG
-S_ISDIR  :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFDIR
-S_ISCHR  :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFCHR
-S_ISBLK  :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFBLK
-S_ISFIFO :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFIFO
-S_ISSOCK :: #force_inline proc(m: mode_t) -> bool do return (m & S_IFMT) == S_IFSOCK
+S_ISLNK  :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFLNK  }
+S_ISREG  :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFREG  }
+S_ISDIR  :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFDIR  }
+S_ISCHR  :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFCHR  }
+S_ISBLK  :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFBLK  }
+S_ISFIFO :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFIFO  }
+S_ISSOCK :: #force_inline proc(m: mode_t) -> bool { return (m & S_IFMT) == S_IFSOCK }
 
 F_OK :: 0 // Test for file existance
 X_OK :: 1 // Test for execute permission
@@ -257,7 +257,7 @@ R_OK :: 4 // Test for read permission
 foreign libc {
 	@(link_name="__error")		__errno_location :: proc() -> ^int ---
 
-	@(link_name="open")             _unix_open       :: proc(path: cstring, flags: c.int, mode: c.int) -> Handle ---
+	@(link_name="open")             _unix_open          :: proc(path: cstring, flags: c.int, mode: c.int) -> Handle ---
 	@(link_name="close")            _unix_close         :: proc(fd: Handle) -> c.int ---
 	@(link_name="read")             _unix_read          :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t ---
 	@(link_name="write")            _unix_write         :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t ---

core/path/filepath/match.odin

@@ -271,7 +271,7 @@ _glob :: proc(dir, pattern: string, matches: ^[dynamic]string, allocator := cont
 	}
 
 
-	d, derr := os.open(dir)
+	d, derr := os.open(dir, os.O_RDONLY)
 	if derr != 0 {
 		return
 	}

core/path/slashpath/path.odin

@@ -146,7 +146,7 @@ clean :: proc(path: string, allocator := context.allocator) -> string {
 }
 
 // join joins numerous path elements into a single path
-join :: proc(elems: ..string, allocator := context.allocator) -> string {
+join :: proc(elems: []string, allocator := context.allocator) -> string {
 	context.allocator = allocator
 	for elem, i in elems {
 		if elem != "" {

core/reflect/reflect.odin

@@ -34,6 +34,7 @@ Type_Info_Simd_Vector      :: runtime.Type_Info_Simd_Vector
 Type_Info_Relative_Pointer :: runtime.Type_Info_Relative_Pointer
 Type_Info_Relative_Slice   :: runtime.Type_Info_Relative_Slice
 Type_Info_Matrix           :: runtime.Type_Info_Matrix
+Type_Info_Soa_Pointer      :: runtime.Type_Info_Soa_Pointer
 
 Type_Info_Enum_Value :: runtime.Type_Info_Enum_Value
 
@@ -68,6 +69,7 @@ Type_Kind :: enum {
 	Relative_Pointer,
 	Relative_Slice,
 	Matrix,
+	Soa_Pointer,
 }
 
 
@@ -102,6 +104,7 @@ type_kind :: proc(T: typeid) -> Type_Kind {
 		case Type_Info_Relative_Pointer: return .Relative_Pointer
 		case Type_Info_Relative_Slice:   return .Relative_Slice
 		case Type_Info_Matrix:           return .Matrix
+		case Type_Info_Soa_Pointer:      return .Soa_Pointer
 		}
 
 	}
@@ -194,6 +197,7 @@ typeid_elem :: proc(id: typeid) -> typeid {
 		}
 	case Type_Info_Pointer:          return v.elem.id
 	case Type_Info_Multi_Pointer:    return v.elem.id
+	case Type_Info_Soa_Pointer:      return v.elem.id
 	case Type_Info_Array:            return v.elem.id
 	case Type_Info_Enumerated_Array: return v.elem.id
 	case Type_Info_Slice:            return v.elem.id
@@ -1419,6 +1423,7 @@ equal :: proc(a, b: any, including_indirect_array_recursion := false, recursion_
 		Type_Info_Enum,
 		Type_Info_Simd_Vector,
 		Type_Info_Relative_Pointer,
+		Type_Info_Soa_Pointer,
 		Type_Info_Matrix:
 		return mem.compare_byte_ptrs((^byte)(a.data), (^byte)(b.data), t.size) == 0
 		

core/reflect/types.odin

@@ -68,6 +68,11 @@ are_types_identical :: proc(a, b: ^Type_Info) -> bool {
 		y := b.variant.(Type_Info_Multi_Pointer) or_return
 		return are_types_identical(x.elem, y.elem)
 
+	case Type_Info_Soa_Pointer:
+		y := b.variant.(Type_Info_Soa_Pointer) or_return
+		return are_types_identical(x.elem, y.elem)
+
+
 	case Type_Info_Procedure:
 		y := b.variant.(Type_Info_Procedure) or_return
 		switch {
@@ -256,6 +261,11 @@ is_multi_pointer :: proc(info: ^Type_Info) -> bool {
 	_, ok := type_info_base(info).variant.(Type_Info_Multi_Pointer)
 	return ok
 }
+is_soa_pointer :: proc(info: ^Type_Info) -> bool {
+	if info == nil { return false }
+	_, ok := type_info_base(info).variant.(Type_Info_Soa_Pointer)
+	return ok
+}
 is_pointer_internally :: proc(info: ^Type_Info) -> bool {
 	if info == nil { return false }
 	#partial switch v in info.variant {
@@ -437,6 +447,9 @@ write_type_writer :: proc(w: io.Writer, ti: ^Type_Info, n_written: ^int = nil) -
 	case Type_Info_Multi_Pointer:
 		io.write_string(w, "[^]", &n) or_return
 		write_type(w, info.elem, &n) or_return
+	case Type_Info_Soa_Pointer:
+		io.write_string(w, "#soa ^", &n) or_return
+		write_type(w, info.elem, &n) or_return
 	case Type_Info_Procedure:
 		io.write_string(w, "proc", &n) or_return
 		if info.params == nil {
@@ -573,11 +586,11 @@ write_type_writer :: proc(w: io.Writer, ti: ^Type_Info, n_written: ^int = nil) -
 			write_type(w, info.elem, &n) or_return
 		case is_rune(info.elem):
 			io.write_encoded_rune(w, rune(info.lower), true, &n) or_return
-			io.write_string(w, "..",                         &n) or_return
+			io.write_string(w, "..=",                        &n) or_return
 			io.write_encoded_rune(w, rune(info.upper), true, &n) or_return
 		case:
 			io.write_i64(w, info.lower, 10, &n) or_return
-			io.write_string(w, "..",        &n) or_return
+			io.write_string(w, "..=",       &n) or_return
 			io.write_i64(w, info.upper, 10, &n) or_return
 		}
 		if info.underlying != nil {

core/runtime/core.odin

@@ -176,6 +176,9 @@ Type_Info_Matrix :: struct {
 	column_count: int,
 	// Total element count = column_count * elem_stride
 }
+Type_Info_Soa_Pointer :: struct {
+	elem: ^Type_Info,
+}
 
 Type_Info_Flag :: enum u8 {
 	Comparable     = 0,
@@ -217,6 +220,7 @@ Type_Info :: struct {
 		Type_Info_Relative_Pointer,
 		Type_Info_Relative_Slice,
 		Type_Info_Matrix,
+		Type_Info_Soa_Pointer,
 	},
 }
 
@@ -403,6 +407,12 @@ Raw_Cstring :: struct {
 	data: [^]byte,
 }
 
+Raw_Soa_Pointer :: struct {
+	data:  rawptr,
+	index: int,
+}
+
+
 
 /*
 	// Defined internally by the compiler

core/runtime/core_builtin.odin

@@ -143,7 +143,7 @@ free_all :: proc{mem_free_all}
 
 @builtin
 delete_string :: proc(str: string, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
-	return mem_free(raw_data(str), allocator, loc)
+	return mem_free_with_size(raw_data(str), len(str), allocator, loc)
 }
 @builtin
 delete_cstring :: proc(str: cstring, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
@@ -151,17 +151,24 @@ delete_cstring :: proc(str: cstring, allocator := context.allocator, loc := #cal
 }
 @builtin
 delete_dynamic_array :: proc(array: $T/[dynamic]$E, loc := #caller_location) -> Allocator_Error {
-	return mem_free(raw_data(array), array.allocator, loc)
+	return mem_free_with_size(raw_data(array), cap(array)*size_of(E), array.allocator, loc)
 }
 @builtin
 delete_slice :: proc(array: $T/[]$E, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
-	return mem_free(raw_data(array), allocator, loc)
+	return mem_free_with_size(raw_data(array), len(array)*size_of(E), allocator, loc)
 }
 @builtin
 delete_map :: proc(m: $T/map[$K]$V, loc := #caller_location) -> Allocator_Error {
+	Entry :: struct {
+		hash:  uintptr,
+		next:  int,
+		key:   K,
+		value: V,
+	}
+
 	raw := transmute(Raw_Map)m
 	err := delete_slice(raw.hashes, raw.entries.allocator, loc)
-	err1 := mem_free(raw.entries.data, raw.entries.allocator, loc)
+	err1 := mem_free_with_size(raw.entries.data, raw.entries.cap*size_of(Entry), raw.entries.allocator, loc)
 	if err == nil {
 		err = err1
 	}
@@ -339,19 +346,22 @@ append_elem :: proc(array: ^$T/[dynamic]$E, arg: E, loc := #caller_location)  {
 	if array == nil {
 		return
 	}
-
-	if cap(array) < len(array)+1 {
-		cap := 2 * cap(array) + max(8, 1)
-		_ = reserve(array, cap, loc)
-	}
-	if cap(array)-len(array) > 0 {
-		a := (^Raw_Dynamic_Array)(array)
-		when size_of(E) != 0 {
-			data := ([^]E)(a.data)
-			assert(condition=data != nil, loc=loc)
-			data[a.len] = arg
-		}
+	when size_of(E) == 0 {
 		a.len += 1
+	} else {
+		if cap(array) < len(array)+1 {
+			cap := 2 * cap(array) + max(8, 1)
+			_ = reserve(array, cap, loc)
+		}
+		if cap(array)-len(array) > 0 {
+			a := (^Raw_Dynamic_Array)(array)
+			when size_of(E) != 0 {
+				data := ([^]E)(a.data)
+				assert(condition=data != nil, loc=loc)
+				data[a.len] = arg
+			}
+			a.len += 1
+		}
 	}
 }
 
@@ -366,20 +376,23 @@ append_elems :: proc(array: ^$T/[dynamic]$E, args: ..E, loc := #caller_location)
 		return
 	}
 
-
-	if cap(array) < len(array)+arg_len {
-		cap := 2 * cap(array) + max(8, arg_len)
-		_ = reserve(array, cap, loc)
-	}
-	arg_len = min(cap(array)-len(array), arg_len)
-	if arg_len > 0 {
-		a := (^Raw_Dynamic_Array)(array)
-		when size_of(E) != 0 {
-			data := ([^]E)(a.data)
-			assert(condition=data != nil, loc=loc)
-			intrinsics.mem_copy(&data[a.len], raw_data(args), size_of(E) * arg_len)
-		}
+	when size_of(E) == 0 {
 		a.len += arg_len
+	} else {
+		if cap(array) < len(array)+arg_len {
+			cap := 2 * cap(array) + max(8, arg_len)
+			_ = reserve(array, cap, loc)
+		}
+		arg_len = min(cap(array)-len(array), arg_len)
+		if arg_len > 0 {
+			a := (^Raw_Dynamic_Array)(array)
+			when size_of(E) != 0 {
+				data := ([^]E)(a.data)
+				assert(condition=data != nil, loc=loc)
+				intrinsics.mem_copy(&data[a.len], raw_data(args), size_of(E) * arg_len)
+			}
+			a.len += arg_len
+		}
 	}
 }
 
@@ -413,7 +426,7 @@ append_nothing :: proc(array: ^$T/[dynamic]$E, loc := #caller_location) {
 
 
 @builtin
-insert_at_elem :: proc(array: ^$T/[dynamic]$E, index: int, arg: E, loc := #caller_location) -> (ok: bool) #no_bounds_check {
+inject_at_elem :: proc(array: ^$T/[dynamic]$E, index: int, arg: E, loc := #caller_location) -> (ok: bool) #no_bounds_check {
 	if array == nil {
 		return
 	}
@@ -432,7 +445,7 @@ insert_at_elem :: proc(array: ^$T/[dynamic]$E, index: int, arg: E, loc := #calle
 }
 
 @builtin
-insert_at_elems :: proc(array: ^$T/[dynamic]$E, index: int, args: ..E, loc := #caller_location) -> (ok: bool) #no_bounds_check {
+inject_at_elems :: proc(array: ^$T/[dynamic]$E, index: int, args: ..E, loc := #caller_location) -> (ok: bool) #no_bounds_check {
 	if array == nil {
 		return
 	}
@@ -456,7 +469,7 @@ insert_at_elems :: proc(array: ^$T/[dynamic]$E, index: int, args: ..E, loc := #c
 }
 
 @builtin
-insert_at_elem_string :: proc(array: ^$T/[dynamic]$E/u8, index: int, arg: string, loc := #caller_location) -> (ok: bool) #no_bounds_check {
+inject_at_elem_string :: proc(array: ^$T/[dynamic]$E/u8, index: int, arg: string, loc := #caller_location) -> (ok: bool) #no_bounds_check {
 	if array == nil {
 		return
 	}
@@ -477,7 +490,51 @@ insert_at_elem_string :: proc(array: ^$T/[dynamic]$E/u8, index: int, arg: string
 	return
 }
 
-@builtin insert_at :: proc{insert_at_elem, insert_at_elems, insert_at_elem_string}
+@builtin inject_at :: proc{inject_at_elem, inject_at_elems, inject_at_elem_string}
+
+
+
+@builtin
+assign_at_elem :: proc(array: ^$T/[dynamic]$E, index: int, arg: E, loc := #caller_location) -> (ok: bool) #no_bounds_check {
+	if index < len(array) {
+		array[index] = arg
+		ok = true
+	} else if resize(array, index+1, loc) {
+		array[index] = arg
+		ok = true
+	}
+	return
+}
+
+
+@builtin
+assign_at_elems :: proc(array: ^$T/[dynamic]$E, index: int, args: ..E, loc := #caller_location) -> (ok: bool) #no_bounds_check {
+	if index+len(args) < len(array) {
+		copy(array[index:], args)
+		ok = true
+	} else if resize(array, index+1+len(args), loc) {
+		copy(array[index:], args)
+		ok = true
+	}
+	return
+}
+
+
+@builtin
+assign_at_elem_string :: proc(array: ^$T/[dynamic]$E/u8, index: int, arg: string, loc := #caller_location) -> (ok: bool) #no_bounds_check {
+	if len(args) == 0 {
+		ok = true
+	} else if index+len(args) < len(array) {
+		copy(array[index:], args)
+		ok = true
+	} else if resize(array, index+1+len(args), loc) {
+		copy(array[index:], args)
+		ok = true
+	}
+	return
+}
+
+@builtin assign_at :: proc{assign_at_elem, assign_at_elems, assign_at_elem_string}
 
 
 
@@ -735,17 +792,3 @@ unimplemented :: proc(message := "", loc := #caller_location) -> ! {
 	}
 	p("not yet implemented", message, loc)
 }
-
-@builtin
-@(disabled=ODIN_DISABLE_ASSERT)
-unreachable :: proc(message := "", loc := #caller_location) -> ! {
-	p := context.assertion_failure_proc
-	if p == nil {
-		p = default_assertion_failure_proc
-	}
-	if message != "" {
-		p("internal error", message, loc)
-	} else {
-		p("internal error", "entered unreachable code", loc)
-	}
-}

core/runtime/dynamic_array_internal.odin

@@ -29,11 +29,15 @@ __dynamic_array_reserve :: proc(array_: rawptr, elem_size, elem_align: int, cap:
 	new_size  := cap * elem_size
 	allocator := array.allocator
 
-	new_data, err := allocator.procedure(allocator.data, .Resize, new_size, elem_align, array.data, old_size, loc)
+	new_data, err := mem_resize(array.data, old_size, new_size, elem_align, allocator, loc)
 	if err != nil {
 		return false
 	}
-	if new_data != nil || elem_size == 0 {
+	if elem_size == 0 {
+		array.data = raw_data(new_data)
+		array.cap = cap
+		return true
+	} else if new_data != nil {
 		array.data = raw_data(new_data)
 		array.cap = min(cap, len(new_data)/elem_size)
 		return true
@@ -59,7 +63,7 @@ __dynamic_array_shrink :: proc(array_: rawptr, elem_size, elem_align: int, new_c
 	new_size  := new_cap * elem_size
 	allocator := array.allocator
 
-	new_data, err := allocator.procedure(allocator.data, .Resize, new_size, elem_align, array.data, old_size, loc)
+	new_data, err := mem_resize(array.data, old_size, new_size, elem_align, allocator, loc)
 	if err != nil {
 		return
 	}

core/runtime/dynamic_map_internal.odin

@@ -194,12 +194,15 @@ __slice_resize :: proc(array_: ^$T/[]$E, new_count: int, allocator: Allocator, l
 	new_size := new_count*size_of(T)
 
 	new_data, err := mem_resize(array.data, old_size, new_size, align_of(T), allocator, loc)
-	if new_data == nil || err != nil {
+	if err != nil {
 		return false
 	}
-	array.data = new_data
-	array.len = new_count
-	return true
+	if new_data != nil || size_of(E) == 0 {
+		array.data = raw_data(new_data)
+		array.len = new_count
+		return true
+	}
+	return false
 }
 
 __dynamic_map_reset_entries :: proc(using header: Map_Header, loc := #caller_location) {
@@ -207,7 +210,7 @@ __dynamic_map_reset_entries :: proc(using header: Map_Header, loc := #caller_loc
 		m.hashes[i] = -1
 	}
 
-	for i in 0 ..< m.entries.len {
+	for i in 0..<m.entries.len {
 		entry_header := __dynamic_map_get_entry(header, i)
 		entry_hash := __get_map_hash_from_entry(header, entry_header)
 		entry_header.next = -1

core/runtime/internal.odin

@@ -103,7 +103,7 @@ mem_zero :: proc "contextless" (data: rawptr, len: int) -> rawptr {
 	if data == nil {
 		return nil
 	}
-	if len < 0 {
+	if len <= 0 {
 		return data
 	}
 	intrinsics.mem_zero(data, len)
@@ -111,22 +111,18 @@ mem_zero :: proc "contextless" (data: rawptr, len: int) -> rawptr {
 }
 
 mem_copy :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
-	if src == nil {
-		return dst
+	if src != nil && dst != src && len > 0 {
+		// NOTE(bill): This _must_ be implemented like C's memmove
+		intrinsics.mem_copy(dst, src, len)
 	}
-
-	// NOTE(bill): This _must_ be implemented like C's memmove
-	intrinsics.mem_copy(dst, src, len)
 	return dst
 }
 
 mem_copy_non_overlapping :: proc "contextless" (dst, src: rawptr, len: int) -> rawptr {
-	if src == nil {
-		return dst
+	if src != nil && dst != src && len > 0 {
+		// NOTE(bill): This _must_ be implemented like C's memcpy
+		intrinsics.mem_copy_non_overlapping(dst, src, len)
 	}
-
-	// NOTE(bill): This _must_ be implemented like C's memcpy
-	intrinsics.mem_copy_non_overlapping(dst, src, len)
 	return dst
 }
 
@@ -142,28 +138,38 @@ mem_alloc_bytes :: #force_inline proc(size: int, alignment: int = DEFAULT_ALIGNM
 	return allocator.procedure(allocator.data, .Alloc, size, alignment, nil, 0, loc)
 }
 
-mem_alloc :: #force_inline proc(size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> (rawptr, Allocator_Error) {
-	if size == 0 {
+mem_alloc :: #force_inline proc(size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> ([]byte, Allocator_Error) {
+	if size == 0 || allocator.procedure == nil {
 		return nil, nil
 	}
-	if allocator.procedure == nil {
-		return nil, nil
-	}
-	data, err := allocator.procedure(allocator.data, .Alloc, size, alignment, nil, 0, loc)
-	return raw_data(data), err
+	return allocator.procedure(allocator.data, .Alloc, size, alignment, nil, 0, loc)
 }
 
 mem_free :: #force_inline proc(ptr: rawptr, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
-	if ptr == nil {
-		return .None
-	}
-	if allocator.procedure == nil {
-		return .None
+	if ptr == nil || allocator.procedure == nil {
+		return nil
 	}
 	_, err := allocator.procedure(allocator.data, .Free, 0, 0, ptr, 0, loc)
 	return err
 }
 
+mem_free_with_size :: #force_inline proc(ptr: rawptr, byte_count: int, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
+	if ptr == nil || allocator.procedure == nil {
+		return nil
+	}
+	_, err := allocator.procedure(allocator.data, .Free, 0, 0, ptr, byte_count, loc)
+	return err
+}
+
+mem_free_bytes :: #force_inline proc(bytes: []byte, allocator := context.allocator, loc := #caller_location) -> Allocator_Error {
+	if bytes == nil || allocator.procedure == nil {
+		return nil
+	}
+	_, err := allocator.procedure(allocator.data, .Free, 0, 0, raw_data(bytes), len(bytes), loc)
+	return err
+}
+
+
 mem_free_all :: #force_inline proc(allocator := context.allocator, loc := #caller_location) -> (err: Allocator_Error) {
 	if allocator.procedure != nil {
 		_, err = allocator.procedure(allocator.data, .Free_All, 0, 0, nil, 0, loc)
@@ -171,21 +177,34 @@ mem_free_all :: #force_inline proc(allocator := context.allocator, loc := #calle
 	return
 }
 
-mem_resize :: #force_inline proc(ptr: rawptr, old_size, new_size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> (new_ptr: rawptr, err: Allocator_Error) {
-	new_data: []byte
-	switch {
-	case allocator.procedure == nil:
-		return
-	case new_size == 0:
-		new_data, err = allocator.procedure(allocator.data, .Free, 0, 0, ptr, 0, loc)
-	case ptr == nil:
-		new_data, err = allocator.procedure(allocator.data, .Alloc, new_size, alignment, nil, 0, loc)
-	case:
-		new_data, err = allocator.procedure(allocator.data, .Resize, new_size, alignment, ptr, old_size, loc)
+mem_resize :: proc(ptr: rawptr, old_size, new_size: int, alignment: int = DEFAULT_ALIGNMENT, allocator := context.allocator, loc := #caller_location) -> ([]byte, Allocator_Error) {
+	if allocator.procedure == nil {
+		return nil, nil
 	}
-	new_ptr = raw_data(new_data)
-	return
+	if new_size == 0 {
+		if ptr != nil {
+			_, err := allocator.procedure(allocator.data, .Free, 0, 0, ptr, old_size, loc)
+			return nil, err
+		}
+		return nil, nil
+	} else if ptr == nil {
+		return allocator.procedure(allocator.data, .Alloc, new_size, alignment, nil, 0, loc)
+	} else if old_size == new_size && uintptr(ptr) % uintptr(alignment) == 0 {
+		return ([^]byte)(ptr)[:old_size], nil
+	}
+
+	data, err := allocator.procedure(allocator.data, .Resize, new_size, alignment, ptr, old_size, loc)
+	if err == .Mode_Not_Implemented {
+		data, err = allocator.procedure(allocator.data, .Alloc, new_size, alignment, nil, 0, loc)
+		if err != nil {
+			return data, err
+		}
+		copy(data, ([^]byte)(ptr)[:old_size])
+		_, err = allocator.procedure(allocator.data, .Free, 0, 0, ptr, old_size, loc)
+	}
+	return data, err
 }
+
 memory_equal :: proc "contextless" (x, y: rawptr, n: int) -> bool {
 	switch {
 	case n == 0: return true
@@ -341,7 +360,12 @@ string_eq :: proc "contextless" (lhs, rhs: string) -> bool {
 string_cmp :: proc "contextless" (a, b: string) -> int {
 	x := transmute(Raw_String)a
 	y := transmute(Raw_String)b
-	return memory_compare(x.data, y.data, min(x.len, y.len))
+
+	ret := memory_compare(x.data, y.data, min(x.len, y.len))
+	if ret == 0 && x.len != y.len {
+		return -1 if x.len < y.len else +1
+	}
+	return ret
 }
 
 string_ne :: #force_inline proc "contextless" (a, b: string) -> bool { return !string_eq(a, b) }

core/runtime/print.odin

@@ -228,6 +228,9 @@ print_type :: proc "contextless" (ti: ^Type_Info) {
 	case Type_Info_Multi_Pointer:
 		print_string("[^]")
 		print_type(info.elem)
+	case Type_Info_Soa_Pointer:
+		print_string("#soa ^")
+		print_type(info.elem)
 	case Type_Info_Procedure:
 		print_string("proc")
 		if info.params == nil {

core/sort/sort.odin

@@ -684,5 +684,10 @@ compare_f64s :: proc(a, b: f64) -> int {
 compare_strings :: proc(a, b: string) -> int {
 	x := transmute(mem.Raw_String)a
 	y := transmute(mem.Raw_String)b
-	return mem.compare_byte_ptrs(x.data, y.data, min(x.len, y.len))
+	
+	ret := mem.compare_byte_ptrs(x.data, y.data, min(x.len, y.len))
+	if ret == 0 && x.len != y.len {
+		return -1 if x.len < y.len else +1
+	}
+	return ret
 }

core/strings/builder.odin

@@ -17,50 +17,53 @@ Builder :: struct {
 }
 
 // return a builder, default length 0 / cap 16 are done through make
-make_builder_none :: proc(allocator := context.allocator) -> Builder {
+builder_make_none :: proc(allocator := context.allocator) -> Builder {
 	return Builder{buf=make([dynamic]byte, allocator)}
 }
 
 // return a builder, with a set length `len` and cap 16 byte buffer
-make_builder_len :: proc(len: int, allocator := context.allocator) -> Builder {
+builder_make_len :: proc(len: int, allocator := context.allocator) -> Builder {
 	return Builder{buf=make([dynamic]byte, len, allocator)}
 }
 
 // return a builder, with a set length `len` byte buffer and a custom `cap`
-make_builder_len_cap :: proc(len, cap: int, allocator := context.allocator) -> Builder {
+builder_make_len_cap :: proc(len, cap: int, allocator := context.allocator) -> Builder {
 	return Builder{buf=make([dynamic]byte, len, cap, allocator)}
 }
 
-// overload simple `make_builder_*` with or without len / cap parameters
-make_builder :: proc{
-	make_builder_none,
-	make_builder_len,
-	make_builder_len_cap,
+// overload simple `builder_make_*` with or without len / cap parameters
+builder_make :: proc{
+	builder_make_none,
+	builder_make_len,
+	builder_make_len_cap,
 }
 
 // initialize a builder, default length 0 / cap 16 are done through make
 // replaces the existing `buf`
-init_builder_none :: proc(b: ^Builder, allocator := context.allocator) {
+builder_init_none :: proc(b: ^Builder, allocator := context.allocator) -> ^Builder {
 	b.buf = make([dynamic]byte, allocator)
+	return b
 }
 
 // initialize a builder, with a set length `len` and cap 16 byte buffer
 // replaces the existing `buf`
-init_builder_len :: proc(b: ^Builder, len: int, allocator := context.allocator) {
+builder_init_len :: proc(b: ^Builder, len: int, allocator := context.allocator) -> ^Builder {
 	b.buf = make([dynamic]byte, len, allocator)
+	return b
 }
 
 // initialize a builder, with a set length `len` byte buffer and a custom `cap`
 // replaces the existing `buf`
-init_builder_len_cap :: proc(b: ^Builder, len, cap: int, allocator := context.allocator) {
+builder_init_len_cap :: proc(b: ^Builder, len, cap: int, allocator := context.allocator) -> ^Builder {
 	b.buf = make([dynamic]byte, len, cap, allocator)
+	return b
 }
 
-// overload simple `init_builder_*` with or without len / ap parameters
-init_builder :: proc{
-	init_builder_none,
-	init_builder_len,
-	init_builder_len_cap,
+// overload simple `builder_init_*` with or without len / ap parameters
+builder_init :: proc{
+	builder_init_none,
+	builder_init_len,
+	builder_init_len_cap,
 }
 
 @(private)
@@ -103,18 +106,18 @@ to_writer :: proc(b: ^Builder) -> io.Writer {
 }
 
 // delete and clear the builder byte buffer content
-destroy_builder :: proc(b: ^Builder) {
+builder_destroy :: proc(b: ^Builder) {
 	delete(b.buf)
 	clear(&b.buf)
 }
 
 // reserve the builfer byte buffer to a specific cap, when it's higher than before
-grow_builder :: proc(b: ^Builder, cap: int) {
+builder_grow :: proc(b: ^Builder, cap: int) {
 	reserve(&b.buf, cap)
 }
 
 // clear the builder byte buffer content
-reset_builder :: proc(b: ^Builder) {
+builder_reset :: proc(b: ^Builder) {
 	clear(&b.buf)
 }
 
@@ -165,7 +168,7 @@ builder_space :: proc(b: Builder) -> int {
 /*
 	appends a byte to the builder, returns the append diff
 
-	builder := strings.make_builder()
+	builder := strings.builder_make()
 	strings.write_byte(&builder, 'a') // 1
 	strings.write_byte(&builder, 'b') // 1
 	strings.write_byte(&builder, 'c') // 1
@@ -181,7 +184,7 @@ write_byte :: proc(b: ^Builder, x: byte) -> (n: int) {
 /*
 	appends a slice of bytes to the builder, returns the append diff
 
-	builder := strings.make_builder()
+	builder := strings.builder_make()
 	bytes := [?]byte { 'a', 'b', 'c' }
 	strings.write_bytes(&builder, bytes[:]) // 3
 	fmt.println(strings.to_string(builder)) // -> abc
@@ -196,77 +199,46 @@ write_bytes :: proc(b: ^Builder, x: []byte) -> (n: int) {
 /*
 	appends a single rune into the builder, returns written rune size and an `io.Error`
 
-	builder := strings.make_builder()
-	strings.write_rune_builder(&builder, 'ä') // 2 None
-	strings.write_rune_builder(&builder, 'b') // 1 None
-	strings.write_rune_builder(&builder, 'c') // 1 None
+	builder := strings.builder_make()
+	strings.write_rune(&builder, 'ä') // 2 None
+	strings.write_rune(&builder, 'b') // 1 None
+	strings.write_rune(&builder, 'c') // 1 None
 	fmt.println(strings.to_string(builder)) // -> äbc
 */
-write_rune_builder :: proc(b: ^Builder, r: rune) -> (int, io.Error) {
+write_rune :: proc(b: ^Builder, r: rune) -> (int, io.Error) {
 	return io.write_rune(to_writer(b), r)
 }
 
 /*
 	appends a quoted rune into the builder, returns written size
 
-	builder := strings.make_builder()
+	builder := strings.builder_make()
 	strings.write_string(&builder, "abc") // 3
-	strings.write_quoted_rune_builder(&builder, 'ä') // 4
+	strings.write_quoted_rune(&builder, 'ä') // 4
 	strings.write_string(&builder, "abc") // 3
 	fmt.println(strings.to_string(builder)) // -> abc'ä'abc
 */
-write_quoted_rune_builder :: proc(b: ^Builder, r: rune) -> (n: int) {
-	return write_quoted_rune(to_writer(b), r)
+write_quoted_rune :: proc(b: ^Builder, r: rune) -> (n: int) {
+	return io.write_quoted_rune(to_writer(b), r)
 }
 
-@(private)
-_write_byte :: proc(w: io.Writer, c: byte) -> int {
-	err := io.write_byte(w, c)
-	return 1 if err == nil else 0
-}
-
-// writer append a quoted rune into the byte buffer, return the written size
-write_quoted_rune :: proc(w: io.Writer, r: rune) -> (n: int) {
-	quote := byte('\'')
-	n += _write_byte(w, quote)
-	buf, width := utf8.encode_rune(r)
-	if width == 1 && r == utf8.RUNE_ERROR {
-		n += _write_byte(w, '\\')
-		n += _write_byte(w, 'x')
-		n += _write_byte(w, DIGITS_LOWER[buf[0]>>4])
-		n += _write_byte(w, DIGITS_LOWER[buf[0]&0xf])
-	} else {
-		i, _ := io.write_escaped_rune(w, r, quote)
-		n += i
-	}
-	n += _write_byte(w, quote)
-	return
-}
-
-// overload for `write_string_*` variants
-write_string :: proc{
-	write_string_builder,
-	write_string_writer,
-}
 
 /*
 	appends a string to the builder, return the written byte size
 	
-	builder := strings.make_builder()
+	builder := strings.builder_make()
 	strings.write_string(&builder, "a") // 1
 	strings.write_string(&builder, "bc") // 2	
 	strings.write_string(&builder, "xyz") // 3
 	fmt.println(strings.to_string(builder)) // -> abcxyz
 */
-write_string_builder :: proc(b: ^Builder, s: string) -> (n: int) {
-	return write_string_writer(to_writer(b), s)
+write_string :: proc(b: ^Builder, s: string) -> (n: int) {
+	n0 := len(b.buf)
+	append(&b.buf, s)
+	n1 := len(b.buf)
+	return n1-n0
 }
 
-// appends a string to the writer
-write_string_writer :: proc(w: io.Writer, s: string) -> (n: int) {
-	n, _ = io.write(w, transmute([]byte)s)
-	return
-}
 
 // pops and returns the last byte in the builder
 // returns 0 when the builder is empty
@@ -297,70 +269,36 @@ pop_rune :: proc(b: ^Builder) -> (r: rune, width: int) {
 @(private)
 DIGITS_LOWER := "0123456789abcdefx"
 
-// overload for `write_quoted_string_*` variants
-write_quoted_string :: proc{
-	write_quoted_string_builder,
-	write_quoted_string_writer,
-}
-
 /*
 	append a quoted string into the builder, return the written byte size
 
-	builder := strings.make_builder()
+	builder := strings.builder_make()
 	strings.write_quoted_string(&builder, "a") // 3
 	strings.write_quoted_string(&builder, "bc", '\'') // 4	
 	strings.write_quoted_string(&builder, "xyz") // 5
 	fmt.println(strings.to_string(builder)) // -> "a"'bc'xyz"
 */
-write_quoted_string_builder :: proc(b: ^Builder, str: string, quote: byte = '"') -> (n: int) {
+write_quoted_string :: proc(b: ^Builder, str: string, quote: byte = '"') -> (n: int) {
 	n, _ = io.write_quoted_string(to_writer(b), str, quote)
 	return
 }
 
-@(deprecated="prefer io.write_quoted_string")
-write_quoted_string_writer :: proc(w: io.Writer, str: string, quote: byte = '"') -> (n: int) {
-	n, _ = io.write_quoted_string(w, str, quote)
-	return	
-}
-
-// overload for `write_encoded_rune_*`
-write_encoded_rune :: proc{
-	write_encoded_rune_builder,
-	write_encoded_rune_writer,
-}
 
 // appends a rune to the builder, optional `write_quote` boolean tag, returns the written rune size
-write_encoded_rune_builder :: proc(b: ^Builder, r: rune, write_quote := true) -> (n: int) {
+write_encoded_rune :: proc(b: ^Builder, r: rune, write_quote := true) -> (n: int) {
 	n, _ = io.write_encoded_rune(to_writer(b), r, write_quote)
 	return
 
 }
-@(deprecated="prefer io.write_encoded_rune")
-write_encoded_rune_writer :: proc(w: io.Writer, r: rune, write_quote := true) -> (n: int) {
-	n, _ = io.write_encoded_rune(w, r, write_quote)
-	return
-}
-
-// overload for `write_escaped_rune_*`
-write_escaped_rune :: proc{
-	write_escaped_rune_builder,
-	write_escaped_rune_writer,
-}
 
 // appends a rune to the builder, fully written out in case of escaped runes e.g. '\a' will be written as such
 // when `r` and `quote` match and `quote` is `\\` - they will be written as two slashes
 // `html_safe` flag in case the runes '<', '>', '&' should be encoded as digits e.g. `\u0026`
-write_escaped_rune_builder :: proc(b: ^Builder, r: rune, quote: byte, html_safe := false) -> (n: int) {
+write_escaped_rune :: proc(b: ^Builder, r: rune, quote: byte, html_safe := false) -> (n: int) {
 	n, _ = io.write_escaped_rune(to_writer(b), r, quote, html_safe)
 	return
 }
 
-@(deprecated="prefer io.write_escaped_rune")
-write_escaped_rune_writer :: proc(w: io.Writer, r: rune, quote: byte, html_safe := false) -> (n: int) {
-	n, _ = io.write_escaped_rune(w, r, quote, html_safe)
-	return
-}
-
 // writes a u64 value `i` in `base` = 10 into the builder, returns the written amount of characters
 write_u64 :: proc(b: ^Builder, i: u64, base: int = 10) -> (n: int) {
 	buf: [32]byte

core/strings/conversion.odin

@@ -10,7 +10,7 @@ to_valid_utf8 :: proc(s, replacement: string, allocator := context.allocator) ->
 	}
 
 	b: Builder
-	init_builder(&b, 0, 0, allocator)
+	builder_init(&b, 0, 0, allocator)
 
 	s := s
 	for c, i in s {
@@ -20,7 +20,7 @@ to_valid_utf8 :: proc(s, replacement: string, allocator := context.allocator) ->
 
 		_, w := utf8.decode_rune_in_string(s[i:])
 		if w == 1 {
-			grow_builder(&b, len(s) + len(replacement))
+			builder_grow(&b, len(s) + len(replacement))
 			write_string(&b, s[:i])
 			s = s[i:]
 			break
@@ -67,9 +67,9 @@ to_valid_utf8 :: proc(s, replacement: string, allocator := context.allocator) ->
 */
 to_lower :: proc(s: string, allocator := context.allocator) -> string {
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 	for r in s {
-		write_rune_builder(&b, unicode.to_lower(r))
+		write_rune(&b, unicode.to_lower(r))
 	}
 	return to_string(b)
 }
@@ -83,9 +83,9 @@ to_lower :: proc(s: string, allocator := context.allocator) -> string {
 */
 to_upper :: proc(s: string, allocator := context.allocator) -> string {
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 	for r in s {
-		write_rune_builder(&b, unicode.to_upper(r))
+		write_rune(&b, unicode.to_upper(r))
 	}
 	return to_string(b)
 }
@@ -147,7 +147,7 @@ to_camel_case :: proc(s: string, allocator := context.allocator) -> string {
 	s := s
 	s = trim_space(s)
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 	w := to_writer(&b)
 
 	string_case_iterator(w, s, proc(w: io.Writer, prev, curr, next: rune) {
@@ -172,7 +172,7 @@ to_pascal_case :: proc(s: string, allocator := context.allocator) -> string {
 	s := s
 	s = trim_space(s)
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 	w := to_writer(&b)
 
 	string_case_iterator(w, s, proc(w: io.Writer, prev, curr, next: rune) {
@@ -203,7 +203,7 @@ to_delimiter_case :: proc(s: string, delimiter: rune, all_upper_case: bool, allo
 	s := s
 	s = trim_space(s)
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 	w := to_writer(&b)
 
 	adjust_case := unicode.to_upper if all_upper_case else unicode.to_lower
@@ -272,7 +272,7 @@ to_ada_case :: proc(s: string, allocator := context.allocator) -> string {
 	s := s
 	s = trim_space(s)
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 	w := to_writer(&b)
 
 	prev, curr: rune

core/strings/intern.odin

@@ -31,31 +31,31 @@ intern_destroy :: proc(m: ^Intern) {
 
 // returns the `text` string from the intern map - gets set if it didnt exist yet
 // the returned string lives as long as the map entry lives
-intern_get :: proc(m: ^Intern, text: string) -> string {
-	entry := _intern_get_entry(m, text)
-	#no_bounds_check return string(entry.str[:entry.len])
+intern_get :: proc(m: ^Intern, text: string) -> (str: string, err: runtime.Allocator_Error) {
+	entry := _intern_get_entry(m, text) or_return
+	#no_bounds_check return string(entry.str[:entry.len]), nil
 }
 
 // returns the `text` cstring from the intern map - gets set if it didnt exist yet
 // the returned cstring lives as long as the map entry lives
-intern_get_cstring :: proc(m: ^Intern, text: string) -> cstring {
-	entry := _intern_get_entry(m, text)
-	return cstring(&entry.str[0])
+intern_get_cstring :: proc(m: ^Intern, text: string) -> (str: cstring, err: runtime.Allocator_Error) {
+	entry := _intern_get_entry(m, text) or_return
+	return cstring(&entry.str[0]), nil
 }
 
 // looks up wether the `text` string exists in the map, returns the entry
 // sets & allocates the entry if it wasnt set yet
-_intern_get_entry :: proc(m: ^Intern, text: string) -> ^Intern_Entry #no_bounds_check {
+_intern_get_entry :: proc(m: ^Intern, text: string) -> (new_entry: ^Intern_Entry, err: runtime.Allocator_Error) #no_bounds_check {
 	if prev, ok := m.entries[text]; ok {
-		return prev
+		return prev, nil
 	}
 	if m.allocator.procedure == nil {
 		m.allocator = context.allocator
 	}
 
 	entry_size := int(offset_of(Intern_Entry, str)) + len(text) + 1
-	ptr, _ := runtime.mem_alloc(entry_size, align_of(Intern_Entry), m.allocator)
-	new_entry := (^Intern_Entry)(ptr)
+	bytes := runtime.mem_alloc(entry_size, align_of(Intern_Entry), m.allocator) or_return
+	new_entry = (^Intern_Entry)(raw_data(bytes))
 
 	new_entry.len = len(text)
 	copy(new_entry.str[:new_entry.len], text)
@@ -63,5 +63,5 @@ _intern_get_entry :: proc(m: ^Intern, text: string) -> ^Intern_Entry #no_bounds_
 
 	key := string(new_entry.str[:new_entry.len])
 	m.entries[key] = new_entry
-	return new_entry
+	return new_entry, nil
 }

core/strings/strings.odin

@@ -1553,7 +1553,7 @@ split_multi_iterate :: proc(using sm: ^Split_Multi) -> (res: string, ok: bool) #
 scrub :: proc(s: string, replacement: string, allocator := context.allocator) -> string {
 	str := s
 	b: Builder
-	init_builder(&b, 0, len(s), allocator)
+	builder_init(&b, 0, len(s), allocator)
 
 	has_error := false
 	cursor := 0
@@ -1622,7 +1622,7 @@ expand_tabs :: proc(s: string, tab_size: int, allocator := context.allocator) ->
 	}
 
 	b: Builder
-	init_builder(&b, allocator)
+	builder_init(&b, allocator)
 	writer := to_writer(&b)
 	str := s
 	column: int
@@ -1690,8 +1690,8 @@ centre_justify :: proc(str: string, length: int, pad: string, allocator := conte
 	pad_len := rune_count(pad)
 
 	b: Builder
-	init_builder(&b, allocator)
-	grow_builder(&b, len(str) + (remains/pad_len + 1)*len(pad))
+	builder_init(&b, allocator)
+	builder_grow(&b, len(str) + (remains/pad_len + 1)*len(pad))
 
 	w := to_writer(&b)
 
@@ -1713,8 +1713,8 @@ left_justify :: proc(str: string, length: int, pad: string, allocator := context
 	pad_len := rune_count(pad)
 
 	b: Builder
-	init_builder(&b, allocator)
-	grow_builder(&b, len(str) + (remains/pad_len + 1)*len(pad))
+	builder_init(&b, allocator)
+	builder_grow(&b, len(str) + (remains/pad_len + 1)*len(pad))
 
 	w := to_writer(&b)
 
@@ -1735,8 +1735,8 @@ right_justify :: proc(str: string, length: int, pad: string, allocator := contex
 	pad_len := rune_count(pad)
 
 	b: Builder
-	init_builder(&b, allocator)
-	grow_builder(&b, len(str) + (remains/pad_len + 1)*len(pad))
+	builder_init(&b, allocator)
+	builder_grow(&b, len(str) + (remains/pad_len + 1)*len(pad))
 
 	w := to_writer(&b)
 

core/sync/futex_freebsd.odin

@@ -3,24 +3,22 @@
 package sync
 
 import "core:c"
-import "core:os"
 import "core:time"
 
 UMTX_OP_WAIT :: 2
 UMTX_OP_WAKE :: 3
 
+ETIMEDOUT :: 60
+
 foreign import libc "system:c"
 
 foreign libc {
 	_umtx_op :: proc "c" (obj: rawptr, op: c.int, val: c.ulong, uaddr: rawptr, uaddr2: rawptr) -> c.int ---
+	__error :: proc "c" () -> ^c.int ---
 }
 
 _futex_wait :: proc(f: ^Futex, expected: u32) -> bool {
-	timeout := os.Unix_File_Time{
-		seconds = 5,
-		nanoseconds = 0,
-	}
-
+	timeout := [2]i64{14400, 0} // 4 hours
 	for {
 		res := _umtx_op(f, UMTX_OP_WAIT, c.ulong(expected), nil, &timeout)
 
@@ -28,7 +26,7 @@ _futex_wait :: proc(f: ^Futex, expected: u32) -> bool {
 			return true
 		}
 
-		if os.Errno(os.get_last_error()) == os.ETIMEDOUT {
+		if __error()^ == ETIMEDOUT {
 			continue
 		}
 
@@ -42,16 +40,14 @@ _futex_wait_with_timeout :: proc(f: ^Futex, expected: u32, duration: time.Durati
 		return false
 	}
 
-	res := _umtx_op(f, UMTX_OP_WAIT, c.ulong(expected), nil, &os.Unix_File_Time{
-		seconds = (os.time_t)(duration/1e9),
-		nanoseconds = (c.long)(duration%1e9),
-	})
+	timeout := [2]i64{i64(duration/1e9), i64(duration%1e9)}
 
+	res := _umtx_op(f, UMTX_OP_WAIT, c.ulong(expected), nil, &timeout)
 	if res != -1 {
 		return true
 	}
 
-	if os.Errno(os.get_last_error()) == os.ETIMEDOUT {
+	if __error()^ == ETIMEDOUT {
 		return false
 	}
 

core/sync/primitives_freebsd.odin

@@ -2,8 +2,14 @@
 //+private
 package sync
 
-import "core:os"
+import "core:c"
+
+foreign import dl "system:dl"
+
+foreign dl {
+	pthread_getthreadid_np :: proc "c" () -> c.int ---
+}
 
 _current_thread_id :: proc "contextless" () -> int {
-	return os.current_thread_id()
+	return int(pthread_getthreadid_np())
 }

core/sys/wasm/wasi/wasi_api.odin

@@ -1148,6 +1148,156 @@ foreign wasi {
 		 */
 		how: sdflags_t,
 	) -> errno_t ---
+
+
+	/**
+	 * Return a description of the given preopened file descriptor.
+	 */
+	fd_prestat_dir_name :: proc(
+		fd: fd_t,
+		/**
+		 * A buffer into which to write the preopened directory name.
+		 */
+		path: string,
+	) -> errno_t ---
+	/**
+	 * Create a directory.
+	 * Note: This is similar to `mkdirat` in POSIX.
+	 */
+	path_create_directory :: proc(
+		fd: fd_t,
+		/**
+		 * The path at which to create the directory.
+		 */
+		path: string,
+	) -> errno_t ---
+	/**
+	 * Adjust the timestamps of a file or directory.
+	 * Note: This is similar to `utimensat` in POSIX.
+	 */
+	path_filestat_set_times :: proc(
+		fd: fd_t,
+		/**
+		 * Flags determining the method of how the path is resolved.
+		 */
+		flags: lookupflags_t,
+		/**
+		 * The path of the file or directory to operate on.
+		 */
+		path: string,
+		/**
+		 * The desired values of the data access timestamp.
+		 */
+		atim: timestamp_t,
+		/**
+		 * The desired values of the data modification timestamp.
+		 */
+		mtim: timestamp_t,
+		/**
+		 * A bitmask indicating which timestamps to adjust.
+		 */
+		fst_flags: fstflags_t,
+	) -> errno_t ---
+	/**
+	 * Remove a directory.
+	 * Return `errno::notempty` if the directory is not empty.
+	 * Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX.
+	 */
+	path_remove_directory :: proc(
+		fd: fd_t,
+		/**
+		 * The path to a directory to remove.
+		 */
+		path: string,
+	) -> errno_t ---
+	/**
+	 * Create a hard link.
+	 * Note: This is similar to `linkat` in POSIX.
+	 */
+	path_link :: proc(
+		old_fd: fd_t,
+		/**
+		 * Flags determining the method of how the path is resolved.
+		 */
+		old_flags: lookupflags_t,
+		/**
+		 * The source path from which to link.
+		 */
+		old_path: string,
+		/**
+		 * The working directory at which the resolution of the new path starts.
+		 */
+		new_fd: fd_t,
+		/**
+		 * The destination path at which to create the hard link.
+		 */
+		new_path: string,
+	) -> errno_t ---
+
+	/**
+	 * Rename a file or directory.
+	 * Note: This is similar to `renameat` in POSIX.
+	 */
+	path_rename :: proc(
+		fd: fd_t,
+		/**
+		 * The source path of the file or directory to rename.
+		 */
+		old_path: string,
+		/**
+		 * The working directory at which the resolution of the new path starts.
+		 */
+		new_fd: fd_t,
+		/**
+		 * The destination path to which to rename the file or directory.
+		 */
+		new_path: string,
+	) -> errno_t ---
+
+	/**
+	 * Create a symbolic link.
+	 * Note: This is similar to `symlinkat` in POSIX.
+	 */
+	path_symlink :: proc(
+		/**
+		 * The contents of the symbolic link.
+		 */
+		old_path: string,
+		fd: fd_t,
+		/**
+		 * The destination path at which to create the symbolic link.
+		 */
+		new_path: string,
+	) -> errno_t ---
+
+	/**
+	 * Unlink a file.
+	 * Return `errno::isdir` if the path refers to a directory.
+	 * Note: This is similar to `unlinkat(fd, path, 0)` in POSIX.
+	 */
+	path_unlink_file :: proc(
+		fd: fd_t,
+		/**
+		 * The path to a file to unlink.
+		 */
+		path: string,
+	) -> errno_t ---
+
+	/**
+	 * Write high-quality random data into a buffer.
+	 * This function blocks when the implementation is unable to immediately
+	 * provide sufficient high-quality random data.
+	 * This function may execute slowly, so when large mounts of random data are
+	 * required, it's advisable to use this function to seed a pseudo-random
+	 * number generator, rather than to provide the random data directly.
+	 */
+	random_get :: proc(
+		/**
+		 * The buffer to fill with random data.
+		 */
+		buf: []u8,
+	) -> errno_t ---
+
 }
 
 /**
@@ -1250,7 +1400,7 @@ fd_pread :: proc "c" (
 	 */
 	offset: filesize_t,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_fd_pread(fd, raw_data(iovs), len(iovs), offset, &n)
+	err = wasi_fd_pread(fd, iovs, offset, &n)
 	return
 }
 /**
@@ -1281,7 +1431,7 @@ fd_pwrite :: proc "c" (
 	 */
 	offset: filesize_t,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_fd_pwrite(fd, raw_data(iovs), len(iovs), offset, &n)
+	err = wasi_fd_pwrite(fd, iovs, offset, &n)
 	return
 }
 /**
@@ -1297,7 +1447,7 @@ fd_read :: proc "c" (
 	 */
 	iovs: []iovec_t,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_fd_read(fd, raw_data(iovs), len(iovs), &n)
+	err = wasi_fd_read(fd, iovs, &n)
 	return
 }
 /**
@@ -1324,7 +1474,7 @@ fd_readdir :: proc "c" (
 	 */
 	cookie: dircookie_t,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_fd_readdir(fd, raw_data(buf), len(buf), cookie, &n)
+	err = wasi_fd_readdir(fd, buf, cookie, &n)
 	return
 }
 /**
@@ -1370,7 +1520,7 @@ fd_write :: proc "c" (
 	 */
 	iovs: []ciovec_t,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_fd_write(fd, raw_data(iovs), len(iovs), &n)
+	err = wasi_fd_write(fd, iovs, &n)
 	return
 }
 /**
@@ -1390,7 +1540,7 @@ path_filestat_get :: proc "c" (
 	 */
 	path: string,
 ) -> (offset: filestat_t, err: errno_t) {
-	err = wasi_path_filestat_get(fd, flags, raw_data(path), len(path), &offset)
+	err = wasi_path_filestat_get(fd, flags, path, &offset)
 	return
 }
 /**
@@ -1432,7 +1582,7 @@ path_open :: proc "c" (
 	fs_rights_inheriting: rights_t,
 	fdflags: fdflags_t,
 ) -> (file: fd_t, err: errno_t) {
-	err = wasi_path_open(fd, dirflags, raw_data(path), len(path), oflags, fs_rights_base, fs_rights_inheriting, fdflags, &file)
+	err = wasi_path_open(fd, dirflags, path, oflags, fs_rights_base, fs_rights_inheriting, fdflags, &file)
 	return
 }
 /**
@@ -1452,7 +1602,7 @@ path_readlink :: proc "c" (
 	 */
 	buf: []u8,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_path_readlink(fd, raw_data(path), len(path), raw_data(buf), len(buf), &n)
+	err = wasi_path_readlink(fd, path, buf, &n)
 	return
 }
 /**
@@ -1495,7 +1645,7 @@ sock_recv :: proc "c" (
 	 */
 	ri_flags: riflags_t,
 ) -> (n: size_t, flags: roflags_t, err: errno_t) {
-	err = wasi_sock_recv(fd, raw_data(ri_data), len(ri_data), ri_flags, &n, &flags)
+	err = wasi_sock_recv(fd, ri_data, ri_flags, &n, &flags)
 	return
 }
 /**
@@ -1516,172 +1666,11 @@ sock_send :: proc "c" (
 	 */
 	si_flags: siflags_t,
 ) -> (n: size_t, err: errno_t) {
-	err = wasi_sock_send(fd, raw_data(si_data), len(si_data), si_flags, &n)
+	err = wasi_sock_send(fd, si_data, si_flags, &n)
 	return
 }
 
-/**
- * Return a description of the given preopened file descriptor.
- */
-fd_prestat_dir_name :: proc(
-	fd: fd_t,
-	/**
-	 * A buffer into which to write the preopened directory name.
-	 */
-	path: string,
-) -> errno_t {
-	return wasm_fd_prestat_dir_name(fd, raw_data(path), len(path))
-}
-/**
- * Create a directory.
- * Note: This is similar to `mkdirat` in POSIX.
- */
-path_create_directory :: proc(
-	fd: fd_t,
-	/**
-	 * The path at which to create the directory.
-	 */
-	path: string,
-) -> errno_t {
-	return wasm_path_create_directory(fd, raw_data(path), len(path))
-}
-/**
- * Adjust the timestamps of a file or directory.
- * Note: This is similar to `utimensat` in POSIX.
- */
-path_filestat_set_times :: proc(
-	fd: fd_t,
-	/**
-	 * Flags determining the method of how the path is resolved.
-	 */
-	flags: lookupflags_t,
-	/**
-	 * The path of the file or directory to operate on.
-	 */
-	path: string,
-	/**
-	 * The desired values of the data access timestamp.
-	 */
-	atim: timestamp_t,
-	/**
-	 * The desired values of the data modification timestamp.
-	 */
-	mtim: timestamp_t,
-	/**
-	 * A bitmask indicating which timestamps to adjust.
-	 */
-	fst_flags: fstflags_t,
-) -> errno_t {
-	return wasm_path_filestat_set_times(fd, flags, raw_data(path), len(path), atim, mtim, fst_flags)
-}
-/**
- * Remove a directory.
- * Return `errno::notempty` if the directory is not empty.
- * Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX.
- */
-path_remove_directory :: proc(
-	fd: fd_t,
-	/**
-	 * The path to a directory to remove.
-	 */
-	path: string,
-) -> errno_t {
-	return wasm_path_remove_directory(fd, raw_data(path), len(path))
-}
-/**
- * Create a hard link.
- * Note: This is similar to `linkat` in POSIX.
- */
-path_link :: proc(
-	old_fd: fd_t,
-	/**
-	 * Flags determining the method of how the path is resolved.
-	 */
-	old_flags: lookupflags_t,
-	/**
-	 * The source path from which to link.
-	 */
-	old_path: string,
-	/**
-	 * The working directory at which the resolution of the new path starts.
-	 */
-	new_fd: fd_t,
-	/**
-	 * The destination path at which to create the hard link.
-	 */
-	new_path: string,
-) -> errno_t {
-	return wasm_path_link(old_fd, old_flags, raw_data(old_path), len(old_path), new_fd, raw_data(new_path), len(new_path))
-}
 
-/**
- * Rename a file or directory.
- * Note: This is similar to `renameat` in POSIX.
- */
-path_rename :: proc(
-	fd: fd_t,
-	/**
-	 * The source path of the file or directory to rename.
-	 */
-	old_path: string,
-	/**
-	 * The working directory at which the resolution of the new path starts.
-	 */
-	new_fd: fd_t,
-	/**
-	 * The destination path to which to rename the file or directory.
-	 */
-	new_path: string,
-) -> errno_t {
-	return wasm_path_rename(fd, raw_data(old_path), len(old_path), new_fd, raw_data(new_path), len(new_path))
-}
-/**
- * Create a symbolic link.
- * Note: This is similar to `symlinkat` in POSIX.
- */
-path_symlink :: proc(
-	/**
-	 * The contents of the symbolic link.
-	 */
-	old_path: string,
-	fd: fd_t,
-	/**
-	 * The destination path at which to create the symbolic link.
-	 */
-	new_path: string,
-) -> errno_t {
-	return wasm_path_symlink(raw_data(old_path), len(old_path), fd, raw_data(new_path), len(new_path))
-}
-/**
- * Unlink a file.
- * Return `errno::isdir` if the path refers to a directory.
- * Note: This is similar to `unlinkat(fd, path, 0)` in POSIX.
- */
-path_unlink_file :: proc(
-	fd: fd_t,
-	/**
-	 * The path to a file to unlink.
-	 */
-	path: string,
-) -> errno_t {
-	return wasm_path_unlink_file(fd, raw_data(path), len(path))
-}
-/**
- * Write high-quality random data into a buffer.
- * This function blocks when the implementation is unable to immediately
- * provide sufficient high-quality random data.
- * This function may execute slowly, so when large mounts of random data are
- * required, it's advisable to use this function to seed a pseudo-random
- * number generator, rather than to provide the random data directly.
- */
-random_get :: proc(
-	/**
-	 * The buffer to fill with random data.
-	 */
-	buf: []u8,
-) -> errno_t {
-	return wasm_random_get(raw_data(buf), len(buf))
-}
 
 
 
@@ -1722,8 +1711,7 @@ foreign wasi {
 	@(link_name="fd_pread")
 	wasi_fd_pread :: proc(
 		fd: fd_t,
-		iovs: [^]iovec_t,
-		iovs_len: size_t,
+		iovs: []iovec_t,
 		offset: filesize_t,
 		retptr0: ^size_t,
 	) -> errno_t ---
@@ -1735,23 +1723,20 @@ foreign wasi {
 	@(link_name="fd_pwrite")
 	wasi_fd_pwrite :: proc(
 		fd: fd_t,
-		iovs: [^]ciovec_t,
-		iovs_len: size_t,
+		iovs: []ciovec_t,
 		offset: filesize_t,
 		retptr0: ^size_t,
 	) -> errno_t ---
 	@(link_name="fd_read")
 	wasi_fd_read :: proc(
 		fd: fd_t,
-		iovs: [^]iovec_t,
-		iovs_len: size_t,
+		iovs: []iovec_t,
 		retptr0: ^size_t,
 	) -> errno_t ---
 	@(link_name="fd_readdir")
 	wasi_fd_readdir :: proc(
 		fd: fd_t,
-		buf: [^]u8,
-		buf_len: size_t,
+		buf: []u8,
 		cookie: dircookie_t,
 		retptr0: ^size_t,
 	) -> errno_t ---
@@ -1770,8 +1755,7 @@ foreign wasi {
 	@(link_name="fd_write")
 	wasi_fd_write :: proc(
 		fd: fd_t,
-		iovs: [^]ciovec_t,
-		iovs_len: size_t,
+		iovs: []ciovec_t,
 		retptr0: ^size_t,
 	) -> errno_t ---
 	@(link_name="path_filestat_get")
@@ -1781,16 +1765,14 @@ foreign wasi {
 		/**
 		 * The path of the file or directory to inspect.
 		 */
-		path: [^]u8,
-		path_len: size_t,
+		path: string,
 		retptr0: ^filestat_t,
 	) -> errno_t ---
 	@(link_name="path_open")
 	wasi_path_open :: proc(
 		fd: fd_t,
 		dirflags: lookupflags_t,
-		path: [^]u8,
-		path_len: size_t,
+		path: string,
 		oflags: oflags_t,
 		fs_rights_base: rights_t,
 		fs_rights_inheriting: rights_t,
@@ -1800,10 +1782,8 @@ foreign wasi {
 	@(link_name="path_readlink")
 	wasi_path_readlink :: proc(
 		fd: fd_t,
-		path: [^]u8,
-		path_len: size_t,
-		buf: [^]u8,
-		buf_len: size_t,
+		path: string,
+		buf: []u8,
 		retptr0: ^size_t,
 	) -> errno_t ---
 	@(link_name="poll_oneoff")
@@ -1816,8 +1796,7 @@ foreign wasi {
 	@(link_name="sock_recv")
 	wasi_sock_recv :: proc(
 		fd: fd_t,
-		ri_data: [^]iovec_t,
-		ri_data_len: size_t,
+		ri_data: []iovec_t,
 		ri_flags: riflags_t,
 		retptr0: ^size_t,
 		retptr1: ^roflags_t,
@@ -1825,75 +1804,8 @@ foreign wasi {
 	@(link_name="sock_send")
 	wasi_sock_send :: proc(
 		fd: fd_t,
-		si_data: [^]ciovec_t,
-		si_data_len: size_t,
+		si_data: []ciovec_t,
 		si_flags: siflags_t,
 		retptr0: ^size_t,
 	) -> errno_t ---
-	@(link_name="fd_prestat_dir_name")
-	wasm_fd_prestat_dir_name :: proc(
-		fd: fd_t,
-		path: [^]u8,
-		path_len: size_t,
-	) -> errno_t ---
-	@(link_name="path_create_directory")
-	wasm_path_create_directory :: proc(
-		fd: fd_t,
-		path: [^]u8,
-		path_len: size_t,
-	) -> errno_t ---
-	@(link_name="path_filestat_set_times")
-	wasm_path_filestat_set_times :: proc(
-		fd: fd_t,
-		flags: lookupflags_t,
-		path: [^]u8,
-		path_len: size_t,
-		atim: timestamp_t,
-		mtim: timestamp_t,
-		fst_flags: fstflags_t,
-	) -> errno_t ---
-	@(link_name="path_remove_directory")
-	wasm_path_remove_directory :: proc(
-		fd: fd_t,
-		path: [^]u8,
-		path_len: size_t,
-	) -> errno_t ---
-	@(link_name="path_link")
-	wasm_path_link :: proc(
-		old_fd: fd_t,
-		old_flags: lookupflags_t,
-		old_path: [^]u8,
-		old_path_len: size_t,
-		new_fd: fd_t,
-		new_path: [^]u8,
-		new_path_len: size_t,
-	) -> errno_t ---
-	@(link_name="path_rename")
-	wasm_path_rename :: proc(
-		fd: fd_t,
-		old_path: [^]u8,
-		old_path_len: size_t,
-		new_fd: fd_t,
-		new_path: [^]u8,
-		new_path_len: size_t,
-	) -> errno_t ---
-	@(link_name="path_symlink")
-	wasm_path_symlink :: proc(
-		old_path: [^]u8,
-		old_path_len: size_t,
-		fd: fd_t,
-		new_path: [^]u8,
-		new_path_len: size_t,
-	) -> errno_t ---
-	@(link_name="path_unlink_file")
-	wasm_path_unlink_file :: proc(
-		fd: fd_t,
-		path: [^]u8,
-		path_len: size_t,
-	) -> errno_t ---
-	@(link_name="random_get")
-	wasm_random_get :: proc(
-		buf: [^]u8,
-		buf_len: size_t,
-	) -> errno_t ---
 }

core/sys/windows/user32.odin

@@ -18,6 +18,7 @@ foreign user32 {
 
 	RegisterClassW :: proc(lpWndClass: ^WNDCLASSW) -> ATOM ---
 	RegisterClassExW :: proc(^WNDCLASSEXW) -> ATOM ---
+	UnregisterClassW :: proc(lpClassName: LPCWSTR, hInstance: HINSTANCE) -> BOOL ---
 
 	CreateWindowExW :: proc(
 		dwExStyle: DWORD,

core/sys/windows/util.odin

@@ -22,6 +22,10 @@ GET_Y_LPARAM :: #force_inline proc "contextless" (lp: LPARAM) -> c_int {
 	return cast(c_int)cast(c_short)HIWORD(cast(DWORD)lp)
 }
 
+MAKE_WORD :: #force_inline proc "contextless" (x, y: WORD) -> WORD {
+	return x << 8 | y
+}
+
 utf8_to_utf16 :: proc(s: string, allocator := context.temp_allocator) -> []u16 {
 	if len(s) < 1 {
 		return nil

core/sys/windows/winerror.odin

@@ -45,4 +45,4 @@ ERROR_NOT_SAME_OBJECT        : DWORD : 1656
 
 E_NOTIMPL :: HRESULT(-0x7fff_bfff) // 0x8000_4001
 
-SUCCEEDED :: #force_inline proc(#any_int result: int) -> bool do return result >= 0
+SUCCEEDED :: #force_inline proc(#any_int result: int) -> bool { return result >= 0 }

core/text/i18n/gettext.odin

@@ -99,14 +99,14 @@ parse_mo_from_bytes :: proc(data: []byte, options := DEFAULT_PARSE_OPTIONS, plur
 		}
 
 		for k in keys {
-			interned_key := strings.intern_get(&translation.intern, string(k))
+			interned_key, _ := strings.intern_get(&translation.intern, string(k))
 
 			interned_vals := make([]string, len(keys))
 			last_val: string
 
 			i := 0
 			for v in vals {
-				interned_vals[i] = strings.intern_get(&translation.intern, string(v))
+				interned_vals[i], _ = strings.intern_get(&translation.intern, string(v))
 				last_val = interned_vals[i]
 				i += 1
 			}

core/text/i18n/qt_linguist.odin

@@ -59,9 +59,9 @@ parse_qt_linguist_from_bytes :: proc(data: []byte, options := DEFAULT_PARSE_OPTI
 			return translation, .TS_File_Expected_Context_Name,
 		}
 
-		section_name := strings.intern_get(&translation.intern, "")
+		section_name, _ := strings.intern_get(&translation.intern, "")
 		if !options.merge_sections {
-			section_name = strings.intern_get(&translation.intern, ts.elements[section_name_id].value)
+			section_name, _ = strings.intern_get(&translation.intern, ts.elements[section_name_id].value)
 		}
 
 		if section_name not_in translation.k_v {
@@ -92,8 +92,8 @@ parse_qt_linguist_from_bytes :: proc(data: []byte, options := DEFAULT_PARSE_OPTI
 				return translation, .TS_File_Expected_Translation
 			}
 
-			source := strings.intern_get(&translation.intern, ts.elements[source_id].value)
-			xlat   := strings.intern_get(&translation.intern, ts.elements[translation_id].value)
+			source, _ := strings.intern_get(&translation.intern, ts.elements[source_id].value)
+			xlat,   _ := strings.intern_get(&translation.intern, ts.elements[translation_id].value)
 
 			if source in section {
 				return translation, .Duplicate_Key
@@ -124,7 +124,7 @@ parse_qt_linguist_from_bytes :: proc(data: []byte, options := DEFAULT_PARSE_OPTI
 					if !numerus_found {
 						break
 					}
-					numerus := strings.intern_get(&translation.intern, ts.elements[numerus_id].value)
+					numerus, _ := strings.intern_get(&translation.intern, ts.elements[numerus_id].value)
 					section[source][num_plurals] = numerus
 
 					num_plurals += 1

core/unicode/tools/generate_entity_table.odin

@@ -45,7 +45,7 @@ generate_encoding_entity_table :: proc() {
 	printf("\"%v\" loaded and parsed.\n", filename)
 
 	generated_buf: strings.Builder
-	defer strings.destroy_builder(&generated_buf)
+	defer strings.builder_destroy(&generated_buf)
 	w := strings.to_writer(&generated_buf)
 
 	charlist, charlist_ok := xml.find_child_by_ident(doc.root, "charlist")

src/build_settings.cpp

@@ -204,7 +204,7 @@ enum BuildPath : u8 {
 	BuildPath_Main_Package,     // Input  Path to the package directory (or file) we're building.
 	BuildPath_RC,               // Input  Path for .rc  file, can be set with `-resource:`.
 	BuildPath_RES,              // Output Path for .res file, generated from previous.
-	BuildPath_Win_SDK_Root,     // windows_sdk_root
+	BuildPath_Win_SDK_Bin_Path, // windows_sdk_bin_path
 	BuildPath_Win_SDK_UM_Lib,   // windows_sdk_um_library_path
 	BuildPath_Win_SDK_UCRT_Lib, // windows_sdk_ucrt_library_path
 	BuildPath_VS_EXE,           // vs_exe_path
@@ -1322,6 +1322,7 @@ bool init_build_paths(String init_filename) {
 	}
 
 	#if defined(GB_SYSTEM_WINDOWS)
+	if (bc->metrics.os == TargetOs_windows) {
 		if (bc->resource_filepath.len > 0) {
 			bc->build_paths[BuildPath_RC]      = path_from_string(ha, bc->resource_filepath);
 			bc->build_paths[BuildPath_RES]     = path_from_string(ha, bc->resource_filepath);
@@ -1335,7 +1336,7 @@ bool init_build_paths(String init_filename) {
 
 		if ((bc->command_kind & Command__does_build) && (!bc->ignore_microsoft_magic)) {
 			// NOTE(ic): It would be nice to extend this so that we could specify the Visual Studio version that we want instead of defaulting to the latest.
-			Find_Result_Utf8 find_result = find_visual_studio_and_windows_sdk_utf8();
+			Find_Result find_result = find_visual_studio_and_windows_sdk();
 			defer (mc_free_all());
 
 			if (find_result.windows_sdk_version == 0) {
@@ -1356,8 +1357,8 @@ bool init_build_paths(String init_filename) {
 			if (find_result.windows_sdk_um_library_path.len > 0) {
 				GB_ASSERT(find_result.windows_sdk_ucrt_library_path.len > 0);
 
-				if (find_result.windows_sdk_root.len > 0) {
-					bc->build_paths[BuildPath_Win_SDK_Root]     = path_from_string(ha, find_result.windows_sdk_root);
+				if (find_result.windows_sdk_bin_path.len > 0) {
+					bc->build_paths[BuildPath_Win_SDK_Bin_Path]  = path_from_string(ha, find_result.windows_sdk_bin_path);
 				}
 
 				if (find_result.windows_sdk_um_library_path.len > 0) {
@@ -1377,6 +1378,7 @@ bool init_build_paths(String init_filename) {
 				}
 			}
 		}
+	}
 	#endif
 
 	// All the build targets and OSes.

src/check_builtin.cpp

@@ -3569,6 +3569,7 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
 		operand->mode = Addressing_NoValue;
 		break;
 
+	case BuiltinProc_unreachable:
 	case BuiltinProc_trap:
 	case BuiltinProc_debug_trap:
 		operand->mode = Addressing_NoValue;

src/check_decl.cpp

@@ -320,7 +320,7 @@ void check_type_decl(CheckerContext *ctx, Entity *e, Ast *init_expr, Type *def)
 		} else if (is_type_any(e->type)) {
 			error(init_expr, "'distinct' cannot be applied to 'any'");
 			is_distinct = false;
-		} else if (is_type_simd_vector(e->type)) {
+		} else if (is_type_simd_vector(e->type) || is_type_soa_pointer(e->type)) {
 			gbString str = type_to_string(e->type);
 			error(init_expr, "'distinct' cannot be applied to '%s'", str);
 			gb_string_free(str);

src/check_expr.cpp

@@ -119,6 +119,7 @@ void check_or_else_split_types(CheckerContext *c, Operand *x, String const &name
 void check_or_else_expr_no_value_error(CheckerContext *c, String const &name, Operand const &x, Type *type_hint);
 void check_or_return_split_types(CheckerContext *c, Operand *x, String const &name, Type **left_type_, Type **right_type_);
 
+bool is_diverging_expr(Ast *expr);
 
 void check_did_you_mean_print(DidYouMeanAnswers *d, char const *prefix = "") {
 	auto results = did_you_mean_results(d);
@@ -2051,7 +2052,7 @@ bool check_is_not_addressable(CheckerContext *c, Operand *o) {
 		return false;
 	}
 
-	return o->mode != Addressing_Variable;
+	return o->mode != Addressing_Variable && o->mode != Addressing_SoaVariable;
 }
 
 void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
@@ -2068,9 +2069,6 @@ void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
 					error(op, "Cannot take the pointer address of '%s' which is a procedure parameter", str);
 				} else {
 					switch (o->mode) {
-					case Addressing_SoaVariable:
-						error(op, "Cannot take the pointer address of '%s' as it is an indirect index of an SOA struct", str);
-						break;
 					case Addressing_Constant:
 						error(op, "Cannot take the pointer address of '%s' which is a constant", str);
 						break;
@@ -2098,7 +2096,19 @@ void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
 			return;
 		}
 
-		o->type = alloc_type_pointer(o->type);
+		if (o->mode == Addressing_SoaVariable) {
+			ast_node(ue, UnaryExpr, node);
+			if (ast_node_expect(ue->expr, Ast_IndexExpr)) {
+				ast_node(ie, IndexExpr, ue->expr);
+				Type *soa_type = type_of_expr(ie->expr);
+				GB_ASSERT(is_type_soa_struct(soa_type));
+				o->type = alloc_type_soa_pointer(soa_type);
+			} else {
+				o->type = alloc_type_pointer(o->type);
+			}
+		} else {
+			o->type = alloc_type_pointer(o->type);
+		}
 
 		switch (o->mode) {
 		case Addressing_OptionalOk:
@@ -2495,8 +2505,17 @@ void check_shift(CheckerContext *c, Operand *x, Operand *y, Ast *node, Type *typ
 				x->expr->tav.is_lhs = true;
 			}
 			x->mode = Addressing_Value;
-			if (type_hint && is_type_integer(type_hint)) {
-				x->type = type_hint;
+			if (type_hint) {
+				if (is_type_integer(type_hint)) {
+					x->type = type_hint;
+				} else {
+					gbString x_str = expr_to_string(x->expr);
+					gbString to_type = type_to_string(type_hint);
+					error(node, "Conversion of shifted operand '%s' to '%s' is not allowed", x_str, to_type);
+					gb_string_free(x_str);
+					gb_string_free(to_type);
+					x->mode = Addressing_Invalid;
+				}
 			}
 			// x->value = x_val;
 			return;
@@ -2512,7 +2531,7 @@ void check_shift(CheckerContext *c, Operand *x, Operand *y, Ast *node, Type *typ
 	// TODO(bill): Should we support shifts for fixed arrays and #simd vectors?
 
 	if (!is_type_integer(x->type)) {
-		gbString err_str = expr_to_string(y->expr);
+		gbString err_str = expr_to_string(x->expr);
 		error(node, "Shift operand '%s' must be an integer", err_str);
 		gb_string_free(err_str);
 		x->mode = Addressing_Invalid;
@@ -2959,7 +2978,14 @@ void check_binary_matrix(CheckerContext *c, Token const &op, Operand *x, Operand
 					goto matrix_error;
 				}
 				x->mode = Addressing_Value;
-				x->type = alloc_type_matrix(xt->Matrix.elem, xt->Matrix.row_count, yt->Matrix.column_count);
+				if (are_types_identical(xt, yt)) {
+					if (!is_type_named(x->type) && is_type_named(y->type)) {
+						// prefer the named type
+						x->type = y->type;
+					}
+				} else {
+					x->type = alloc_type_matrix(xt->Matrix.elem, xt->Matrix.row_count, yt->Matrix.column_count);
+				}
 				goto matrix_success;
 			} else if (yt->kind == Type_Array) {
 				if (!are_types_identical(xt->Matrix.elem, yt->Array.elem)) {
@@ -3021,7 +3047,6 @@ void check_binary_matrix(CheckerContext *c, Token const &op, Operand *x, Operand
 
 matrix_success:
 	x->type = check_matrix_type_hint(x->type, type_hint);
-	
 	return;
 	
 	
@@ -7393,8 +7418,25 @@ ExprKind check_or_else_expr(CheckerContext *c, Operand *o, Ast *node, Type *type
 		return Expr_Expr;
 	}
 
-	check_multi_expr_with_type_hint(c, &y, default_value, x.type);
-	error_operand_no_value(&y);
+	bool y_is_diverging = false;
+	check_expr_base(c, &y, default_value, x.type);
+	switch (y.mode) {
+	case Addressing_NoValue:
+		if (is_diverging_expr(y.expr)) {
+			// Allow
+			y.mode = Addressing_Value;
+			y_is_diverging = true;
+		} else {
+			error_operand_no_value(&y);
+			y.mode = Addressing_Invalid;
+		}
+		break;
+	case Addressing_Type:
+		error_operand_not_expression(&y);
+		y.mode = Addressing_Invalid;
+		break;
+	}
+
 	if (y.mode == Addressing_Invalid) {
 		o->mode = Addressing_Value;
 		o->type = t_invalid;
@@ -7408,7 +7450,9 @@ ExprKind check_or_else_expr(CheckerContext *c, Operand *o, Ast *node, Type *type
 	add_type_and_value(&c->checker->info, arg, x.mode, x.type, x.value);
 
 	if (left_type != nullptr) {
-		check_assignment(c, &y, left_type, name);
+		if (!y_is_diverging) {
+			check_assignment(c, &y, left_type, name);
+		}
 	} else {
 		check_or_else_expr_no_value_error(c, name, x, type_hint);
 	}
@@ -8404,23 +8448,30 @@ ExprKind check_compound_literal(CheckerContext *c, Operand *o, Ast *node, Type *
 		if (is_type_bit_set(type)) {
 			// NOTE(bill): Encode as an integer
 
-			i64 lower = base_type(type)->BitSet.lower;
+			Type *bt = base_type(type);
+			BigInt bits = {};
+			BigInt one = {};
+			big_int_from_u64(&one, 1);
 
-			u64 bits = 0;
-			for_array(index, cl->elems) {
-				Ast *elem = cl->elems[index];
-				GB_ASSERT(elem->kind != Ast_FieldValue);
-				TypeAndValue tav = elem->tav;
-				ExactValue i = exact_value_to_integer(tav.value);
-				if (i.kind != ExactValue_Integer) {
+			for_array(i, cl->elems) {
+				Ast *e = cl->elems[i];
+				GB_ASSERT(e->kind != Ast_FieldValue);
+
+				TypeAndValue tav = e->tav;
+				if (tav.mode != Addressing_Constant) {
 					continue;
 				}
-				i64 val = big_int_to_i64(&i.value_integer);
-				val -= lower;
-				u64 bit = u64(1ll<<val);
-				bits |= bit;
+				GB_ASSERT(tav.value.kind == ExactValue_Integer);
+				i64 v = big_int_to_i64(&tav.value.value_integer);
+				i64 lower = bt->BitSet.lower;
+				u64 index = cast(u64)(v-lower);
+				BigInt bit = {};
+				big_int_from_u64(&bit, index);
+				big_int_shl(&bit, &one, &bit);
+				big_int_or(&bits, &bits, &bit);
 			}
-			o->value = exact_value_u64(bits);
+			o->value.kind = ExactValue_Integer;
+			o->value.value_integer = bits;
 		} else if (is_type_constant_type(type) && cl->elems.count == 0) {
 			ExactValue value = exact_value_compound(node);
 			Type *bt = core_type(type);
@@ -8643,6 +8694,8 @@ ExprKind check_selector_call_expr(CheckerContext *c, Operand *o, Ast *node, Type
 	Ast *first_arg = x.expr->SelectorExpr.expr;
 	GB_ASSERT(first_arg != nullptr);
 
+	first_arg->state_flags |= StateFlag_SelectorCallExpr;
+
 	Type *pt = base_type(x.type);
 	GB_ASSERT(pt->kind == Type_Proc);
 	Type *first_type = nullptr;
@@ -8668,6 +8721,7 @@ ExprKind check_selector_call_expr(CheckerContext *c, Operand *o, Ast *node, Type
 	y.mode = first_arg->tav.mode;
 	y.type = first_arg->tav.type;
 	y.value = first_arg->tav.value;
+
 	if (check_is_assignable_to(c, &y, first_type)) {
 		// Do nothing, it's valid
 	} else {
@@ -9286,7 +9340,7 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
 			check_unary_expr(c, o, ue->op, node);
 		}
 		o->expr = node;
-		return kind;
+		return Expr_Expr;
 	case_end;
 
 
@@ -9342,6 +9396,9 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
 			if (t->kind == Type_Pointer && !is_type_empty_union(t->Pointer.elem)) {
 				o->mode = Addressing_Variable;
 				o->type = t->Pointer.elem;
+ 			} else if (t->kind == Type_SoaPointer) {
+				o->mode = Addressing_SoaVariable;
+				o->type = type_deref(t);
  			} else if (t->kind == Type_RelativePointer) {
  				if (o->mode != Addressing_Variable) {
  					gbString str = expr_to_string(o->expr);
@@ -10034,9 +10091,10 @@ gbString write_expr_to_string(gbString str, Ast *node, bool shorthand) {
 		str = write_expr_to_string(str, ce->proc, shorthand);
 		str = gb_string_appendc(str, "(");
 
-		for_array(i, ce->args) {
+		isize idx0 = cast(isize)ce->was_selector;
+		for (isize i = idx0; i < ce->args.count; i++) {
 			Ast *arg = ce->args[i];
-			if (i > 0) {
+			if (i > idx0) {
 				str = gb_string_appendc(str, ", ");
 			}
 			str = write_expr_to_string(str, arg, shorthand);

src/check_stmt.cpp

@@ -1,8 +1,5 @@
-bool is_diverging_stmt(Ast *stmt) {
-	if (stmt->kind != Ast_ExprStmt) {
-		return false;
-	}
-	Ast *expr = unparen_expr(stmt->ExprStmt.expr);
+bool is_diverging_expr(Ast *expr) {
+	expr = unparen_expr(expr);
 	if (expr->kind != Ast_CallExpr) {
 		return false;
 	}
@@ -26,6 +23,12 @@ bool is_diverging_stmt(Ast *stmt) {
 	t = base_type(t);
 	return t != nullptr && t->kind == Type_Proc && t->Proc.diverging;
 }
+bool is_diverging_stmt(Ast *stmt) {
+	if (stmt->kind != Ast_ExprStmt) {
+		return false;
+	}
+	return is_diverging_expr(stmt->ExprStmt.expr);
+}
 
 bool contains_deferred_call(Ast *node) {
 	if (node->viral_state_flags & ViralStateFlag_ContainsDeferredProcedure) {

src/check_type.cpp

@@ -695,11 +695,6 @@ void check_union_type(CheckerContext *ctx, Type *union_type, Ast *node, Array<Op
 			error(ut->align, "A union with #no_nil must have at least 2 variants");
 		}
 		break;
-	case UnionType_maybe:
-		if (variants.count != 1) {
-			error(ut->align, "A union with #maybe must have at 1 variant, got %lld", cast(long long)variants.count);
-		}
-		break;
 	}
 
 	if (ut->align != nullptr) {
@@ -1345,7 +1340,9 @@ ParameterValue handle_parameter_value(CheckerContext *ctx, Type *in_type, Type *
 					param_value.kind = ParameterValue_Constant;
 					param_value.value = o.value;
 				} else {
-					error(expr, "Default parameter must be a constant, %d", o.mode);
+					gbString s = expr_to_string(o.expr);
+					error(expr, "Default parameter must be a constant, got %s", s);
+					gb_string_free(s);
 				}
 			}
 		} else {
@@ -1614,6 +1611,10 @@ Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is
 					error(name, "'#any_int' can only be applied to variable fields");
 					p->flags &= ~FieldFlag_any_int;
 				}
+				if (p->flags&FieldFlag_by_ptr) {
+					error(name, "'#by_ptr' can only be applied to variable fields");
+					p->flags &= ~FieldFlag_by_ptr;
+				}
 
 				param = alloc_entity_type_name(scope, name->Ident.token, type, EntityState_Resolved);
 				param->TypeName.is_type_alias = true;
@@ -1690,10 +1691,17 @@ Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is
 
 				if (p->flags&FieldFlag_no_alias) {
 					if (!is_type_pointer(type)) {
-						error(name, "'#no_alias' can only be applied to fields of pointer type");
+						error(name, "'#no_alias' can only be applied pointer typed parameters");
 						p->flags &= ~FieldFlag_no_alias; // Remove the flag
 					}
 				}
+				if (p->flags&FieldFlag_by_ptr) {
+					if (is_type_internally_pointer_like(type)) {
+						error(name, "'#by_ptr' can only be applied to non-pointer-like parameters");
+						p->flags &= ~FieldFlag_by_ptr; // Remove the flag
+					}
+				}
+
 				if (is_poly_name) {
 					if (p->flags&FieldFlag_no_alias) {
 						error(name, "'#no_alias' can only be applied to non constant values");
@@ -1711,6 +1719,10 @@ Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is
 						error(name, "'#const' can only be applied to variable fields");
 						p->flags &= ~FieldFlag_const;
 					}
+					if (p->flags&FieldFlag_by_ptr) {
+						error(name, "'#by_ptr' can only be applied to variable fields");
+						p->flags &= ~FieldFlag_by_ptr;
+					}
 
 					if (!is_type_constant_type(type) && !is_type_polymorphic(type)) {
 						gbString str = type_to_string(type);
@@ -1743,6 +1755,9 @@ Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is
 			if (p->flags&FieldFlag_const) {
 				param->flags |= EntityFlag_ConstInput;
 			}
+			if (p->flags&FieldFlag_by_ptr) {
+				param->flags |= EntityFlag_ByPtr;
+			}
 
 			param->state = EntityState_Resolved; // NOTE(bill): This should have be resolved whilst determining it
 			add_entity(ctx, scope, name, param);
@@ -2678,14 +2693,55 @@ bool check_type_internal(CheckerContext *ctx, Ast *e, Type **type, Type *named_t
 	case_ast_node(ue, UnaryExpr, e);
 		switch (ue->op.kind) {
 		case Token_Pointer:
-			*type = alloc_type_pointer(check_type(ctx, ue->expr));
-			set_base_type(named_type, *type);
-			return true;
+			{
+				Type *elem = check_type(ctx, ue->expr);
+				*type = alloc_type_pointer(elem);
+				set_base_type(named_type, *type);
+				return true;
+			}
 		}
 	case_end;
 
 	case_ast_node(pt, PointerType, e);
-		*type = alloc_type_pointer(check_type(ctx, pt->type));
+		CheckerContext c = *ctx;
+		c.type_path = new_checker_type_path();
+		defer (destroy_checker_type_path(c.type_path));
+
+		Type *elem = t_invalid;
+		Operand o = {};
+		check_expr_or_type(&c, &o, pt->type);
+		if (o.mode != Addressing_Invalid && o.mode != Addressing_Type) {
+			// NOTE(bill): call check_type_expr again to get a consistent error message
+			begin_error_block();
+			elem = check_type_expr(&c, pt->type, nullptr);
+			if (o.mode == Addressing_Variable) {
+				gbString s = expr_to_string(pt->type);
+				error_line("\tSuggestion: ^ is used for pointer types, did you mean '&%s'?\n", s);
+				gb_string_free(s);
+			}
+			end_error_block();
+		} else {
+			elem = o.type;
+		}
+
+		if (pt->tag != nullptr) {
+			GB_ASSERT(pt->tag->kind == Ast_BasicDirective);
+			String name = pt->tag->BasicDirective.name.string;
+			if (name == "soa") {
+				// TODO(bill): generic #soa pointers
+				if (is_type_soa_struct(elem)) {
+					*type = alloc_type_soa_pointer(elem);
+				} else {
+					error(pt->tag, "#soa pointers require an #soa record type as the element");
+					*type = alloc_type_pointer(elem);
+				}
+			} else {
+				error(pt->tag, "Invalid tag applied to pointer, got #%.*s", LIT(name));
+				*type = alloc_type_pointer(elem);
+			}
+		} else {
+			*type = alloc_type_pointer(elem);
+		}
 		set_base_type(named_type, *type);
 		return true;
 	case_end;

src/checker.cpp

@@ -1947,6 +1947,11 @@ void add_type_info_type_internal(CheckerContext *c, Type *t) {
 		add_type_info_type_internal(c, bt->Matrix.elem);
 		break;
 
+	case Type_SoaPointer:
+		add_type_info_type_internal(c, bt->SoaPointer.elem);
+		break;
+
+
 	default:
 		GB_PANIC("Unhandled type: %*.s %d", LIT(type_strings[bt->kind]), bt->kind);
 		break;
@@ -2164,6 +2169,10 @@ void add_min_dep_type_info(Checker *c, Type *t) {
 		add_min_dep_type_info(c, bt->Matrix.elem);
 		break;
 
+	case Type_SoaPointer:
+		add_min_dep_type_info(c, bt->SoaPointer.elem);
+		break;
+
 	default:
 		GB_PANIC("Unhandled type: %*.s", LIT(type_strings[bt->kind]));
 		break;
@@ -2756,6 +2765,7 @@ void init_core_type_info(Checker *c) {
 	t_type_info_relative_pointer = find_core_type(c, str_lit("Type_Info_Relative_Pointer"));
 	t_type_info_relative_slice   = find_core_type(c, str_lit("Type_Info_Relative_Slice"));
 	t_type_info_matrix           = find_core_type(c, str_lit("Type_Info_Matrix"));
+	t_type_info_soa_pointer      = find_core_type(c, str_lit("Type_Info_Soa_Pointer"));
 
 	t_type_info_named_ptr            = alloc_type_pointer(t_type_info_named);
 	t_type_info_integer_ptr          = alloc_type_pointer(t_type_info_integer);
@@ -2784,6 +2794,7 @@ void init_core_type_info(Checker *c) {
 	t_type_info_relative_pointer_ptr = alloc_type_pointer(t_type_info_relative_pointer);
 	t_type_info_relative_slice_ptr   = alloc_type_pointer(t_type_info_relative_slice);
 	t_type_info_matrix_ptr           = alloc_type_pointer(t_type_info_matrix);
+	t_type_info_soa_pointer_ptr      = alloc_type_pointer(t_type_info_soa_pointer);
 }
 
 void init_mem_allocator(Checker *c) {

src/checker_builtin_procs.hpp

@@ -40,6 +40,8 @@ enum BuiltinProcId {
 	BuiltinProc_hadamard_product,
 	BuiltinProc_matrix_flatten,
 
+	BuiltinProc_unreachable,
+
 	BuiltinProc_DIRECTIVE, // NOTE(bill): This is used for specialized hash-prefixed procedures
 
 	// "Intrinsics"
@@ -330,6 +332,8 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
 	{STR_LIT("hadamard_product"), 2, false, Expr_Expr, BuiltinProcPkg_builtin},
 	{STR_LIT("matrix_flatten"),   1, false, Expr_Expr, BuiltinProcPkg_builtin},
 
+	{STR_LIT("unreachable"),      0, false, Expr_Expr, BuiltinProcPkg_builtin, /*diverging*/true},
+
 	{STR_LIT(""),                 0, true,  Expr_Expr, BuiltinProcPkg_builtin}, // DIRECTIVE
 
 
@@ -341,7 +345,7 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
 	{STR_LIT("alloca"),    2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 	{STR_LIT("cpu_relax"), 0, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
 
-	{STR_LIT("trap"),               0, false, Expr_Stmt, BuiltinProcPkg_intrinsics, /*diverging*/true},
+	{STR_LIT("trap"),               0, false, Expr_Expr, BuiltinProcPkg_intrinsics, /*diverging*/true},
 	{STR_LIT("debug_trap"),         0, false, Expr_Stmt, BuiltinProcPkg_intrinsics, /*diverging*/false},
 	{STR_LIT("read_cycle_counter"), 0, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 
@@ -434,7 +438,7 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
 
 	{STR_LIT("simd_neg"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 
-	{STR_LIT("simd_abs"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
+	{STR_LIT("simd_abs"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 
 	{STR_LIT("simd_min"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 	{STR_LIT("simd_max"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},

src/docs_format.cpp

@@ -83,6 +83,7 @@ enum OdinDocTypeKind : u32 {
 	OdinDocType_RelativeSlice    = 21,
 	OdinDocType_MultiPointer     = 22,
 	OdinDocType_Matrix           = 23,
+	OdinDocType_SoaPointer       = 24,
 };
 
 enum OdinDocTypeFlag_Basic : u32 {
@@ -98,7 +99,6 @@ enum OdinDocTypeFlag_Struct : u32 {
 enum OdinDocTypeFlag_Union : u32 {
 	OdinDocTypeFlag_Union_polymorphic = 1<<0,
 	OdinDocTypeFlag_Union_no_nil      = 1<<1,
-	OdinDocTypeFlag_Union_maybe       = 1<<2,
 	OdinDocTypeFlag_Union_shared_nil  = 1<<3,
 };
 

src/docs_writer.cpp

@@ -532,6 +532,10 @@ OdinDocTypeIndex odin_doc_type(OdinDocWriter *w, Type *type) {
 		doc_type.kind = OdinDocType_MultiPointer;
 		doc_type.types = odin_doc_type_as_slice(w, type->MultiPointer.elem);
 		break;
+	case Type_SoaPointer:
+		doc_type.kind = OdinDocType_SoaPointer;
+		doc_type.types = odin_doc_type_as_slice(w, type->SoaPointer.elem);
+		break;
 	case Type_Array:
 		doc_type.kind = OdinDocType_Array;
 		doc_type.elem_count_len = 1;

src/entity.cpp

@@ -83,6 +83,7 @@ enum EntityFlag : u64 {
 	EntityFlag_CustomLinkage_LinkOnce = 1ull<<44,
 	
 	EntityFlag_Require = 1ull<<50,
+	EntityFlag_ByPtr = 1ull<<51, // enforce parameter is passed by pointer
 
 	EntityFlag_Overridden    = 1ull<<63,
 };

src/gb/gb.h

@@ -90,6 +90,10 @@ extern "C" {
 	#error This operating system is not supported
 #endif
 
+#if defined(GB_SYSTEM_OPENBSD)
+#include <sys/wait.h>
+#endif
+
 #if defined(_MSC_VER)
 	#define GB_COMPILER_MSVC 1
 #elif defined(__GNUC__)

src/llvm_abi.cpp

@@ -62,7 +62,7 @@ bool lb_is_type_kind(LLVMTypeRef type, LLVMTypeKind kind) {
 	return LLVMGetTypeKind(type) == kind;
 }
 
-LLVMTypeRef lb_function_type_to_llvm_ptr(lbFunctionType *ft, bool is_var_arg) {
+LLVMTypeRef lb_function_type_to_llvm_raw(lbFunctionType *ft, bool is_var_arg) {
 	unsigned arg_count = cast(unsigned)ft->args.count;
 	unsigned offset = 0;
 
@@ -108,10 +108,16 @@ LLVMTypeRef lb_function_type_to_llvm_ptr(lbFunctionType *ft, bool is_var_arg) {
 	}
 	unsigned total_arg_count = arg_index;
 	LLVMTypeRef func_type = LLVMFunctionType(ret, args, total_arg_count, is_var_arg);
-	return LLVMPointerType(func_type, 0);
+	return func_type;
 }
 
 
+// LLVMTypeRef lb_function_type_to_llvm_ptr(lbFunctionType *ft, bool is_var_arg) {
+// 	LLVMTypeRef func_type = lb_function_type_to_llvm_raw(ft, is_var_arg);
+// 	return LLVMPointerType(func_type, 0);
+// }
+
+
 void lb_add_function_type_attributes(LLVMValueRef fn, lbFunctionType *ft, ProcCallingConvention calling_convention) {
 	if (ft == nullptr) {
 		return;
@@ -217,7 +223,7 @@ i64 lb_sizeof(LLVMTypeRef type) {
 		break;
 	case LLVMArrayTypeKind:
 		{
-			LLVMTypeRef elem = LLVMGetElementType(type);
+			LLVMTypeRef elem = OdinLLVMGetArrayElementType(type);
 			i64 elem_size = lb_sizeof(elem);
 			i64 count = LLVMGetArrayLength(type);
 			i64 size = count * elem_size;
@@ -229,11 +235,11 @@ i64 lb_sizeof(LLVMTypeRef type) {
 		return 8;
 	case LLVMVectorTypeKind:
 		{
-			LLVMTypeRef elem = LLVMGetElementType(type);
+			LLVMTypeRef elem = OdinLLVMGetVectorElementType(type);
 			i64 elem_size = lb_sizeof(elem);
 			i64 count = LLVMGetVectorSize(type);
 			i64 size = count * elem_size;
-			return gb_clamp(next_pow2(size), 1, build_context.max_align);
+			return next_pow2(size);
 		}
 
 	}
@@ -277,14 +283,14 @@ i64 lb_alignof(LLVMTypeRef type) {
 		}
 		break;
 	case LLVMArrayTypeKind:
-		return lb_alignof(LLVMGetElementType(type));
+		return lb_alignof(OdinLLVMGetArrayElementType(type));
 
 	case LLVMX86_MMXTypeKind:
 		return 8;
 	case LLVMVectorTypeKind:
 		{
 			// TODO(bill): This appears to be correct but LLVM isn't necessarily "great" with regards to documentation
-			LLVMTypeRef elem = LLVMGetElementType(type);
+			LLVMTypeRef elem = OdinLLVMGetVectorElementType(type);
 			i64 elem_size = lb_sizeof(elem);
 			i64 count = LLVMGetVectorSize(type);
 			i64 size = count * elem_size;
@@ -787,7 +793,7 @@ namespace lbAbiAmd64SysV {
 		case LLVMArrayTypeKind:
 			{
 				i64 len = LLVMGetArrayLength(t);
-				LLVMTypeRef elem = LLVMGetElementType(t);
+				LLVMTypeRef elem = OdinLLVMGetArrayElementType(t);
 				i64 elem_sz = lb_sizeof(elem);
 				for (i64 i = 0; i < len; i++) {
 					classify_with(elem, cls, ix, off + i*elem_sz);
@@ -797,20 +803,27 @@ namespace lbAbiAmd64SysV {
 		case LLVMVectorTypeKind:
 			{
 				i64 len = LLVMGetVectorSize(t);
-				LLVMTypeRef elem = LLVMGetElementType(t);
+				LLVMTypeRef elem = OdinLLVMGetVectorElementType(t);
 				i64 elem_sz = lb_sizeof(elem);
 				LLVMTypeKind elem_kind = LLVMGetTypeKind(elem);
 				RegClass reg = RegClass_NoClass;
+				unsigned elem_width = LLVMGetIntTypeWidth(elem);
 				switch (elem_kind) {
 				case LLVMIntegerTypeKind:
 				case LLVMHalfTypeKind:
-					switch (LLVMGetIntTypeWidth(elem)) {
-					case 8:  reg = RegClass_SSEInt8;
-					case 16: reg = RegClass_SSEInt16;
-					case 32: reg = RegClass_SSEInt32;
-					case 64: reg = RegClass_SSEInt64;
+					switch (elem_width) {
+					case 8:  reg = RegClass_SSEInt8;  break;
+					case 16: reg = RegClass_SSEInt16; break;
+					case 32: reg = RegClass_SSEInt32; break;
+					case 64: reg = RegClass_SSEInt64; break;
 					default:
-						GB_PANIC("Unhandled integer width for vector type");
+						if (elem_width > 64) {
+							for (i64 i = 0; i < len; i++) {
+								classify_with(elem, cls, ix, off + i*elem_sz);
+							}
+							break;
+						}
+						GB_PANIC("Unhandled integer width for vector type %u", elem_width);
 					}
 					break;
 				case LLVMFloatTypeKind:
@@ -900,7 +913,7 @@ namespace lbAbiArm64 {
 		if (len == 0) {
 			return false;
 		}
-		LLVMTypeRef elem = LLVMGetElementType(type);
+		LLVMTypeRef elem = OdinLLVMGetArrayElementType(type);
 		LLVMTypeRef base_type = nullptr;
 		unsigned member_count = 0;
 		if (is_homogenous_aggregate(c, elem, &base_type, &member_count)) {
@@ -1116,7 +1129,7 @@ namespace lbAbiWasm {
 		}
 		if (sz <= MAX_DIRECT_STRUCT_SIZE) {
 			if (kind == LLVMArrayTypeKind) {
-				if (is_basic_register_type(LLVMGetElementType(type))) {
+				if (is_basic_register_type(OdinLLVMGetArrayElementType(type))) {
 					return true;
 				}
 			} else if (kind == LLVMStructTypeKind) {

src/llvm_backend.cpp

@@ -739,11 +739,11 @@ lbProcedure *lb_create_startup_runtime(lbModule *main_module, lbProcedure *start
 	lb_begin_procedure_body(p);
 
 	if (startup_type_info) {
-		LLVMBuildCall2(p->builder, LLVMGetElementType(lb_type(main_module, startup_type_info->type)), startup_type_info->value, nullptr, 0, "");
+		LLVMBuildCall2(p->builder, lb_type_internal_for_procedures_raw(main_module, startup_type_info->type), startup_type_info->value, nullptr, 0, "");
 	}
 
 	if (objc_names) {
-		LLVMBuildCall2(p->builder, LLVMGetElementType(lb_type(main_module, objc_names->type)), objc_names->value, nullptr, 0, "");
+		LLVMBuildCall2(p->builder, lb_type_internal_for_procedures_raw(main_module, objc_names->type), objc_names->value, nullptr, 0, "");
 	}
 
 	for_array(i, global_variables) {
@@ -762,7 +762,7 @@ lbProcedure *lb_create_startup_runtime(lbModule *main_module, lbProcedure *start
 		if (init_expr != nullptr)  {
 			lbValue init = lb_build_expr(p, init_expr);
 			if (init.value == nullptr) {
-				LLVMTypeRef global_type = LLVMGetElementType(LLVMTypeOf(var->var.value));
+				LLVMTypeRef global_type = llvm_addr_type(p->module, var->var);
 				if (is_type_untyped_undef(init.type)) {
 					// LLVMSetInitializer(var->var.value, LLVMGetUndef(global_type));
 					LLVMSetInitializer(var->var.value, LLVMConstNull(global_type));
@@ -805,8 +805,7 @@ lbProcedure *lb_create_startup_runtime(lbModule *main_module, lbProcedure *start
 				lb_emit_store(p, data, lb_emit_conv(p, gp, t_rawptr));
 				lb_emit_store(p, ti,   lb_type_info(main_module, var_type));
 			} else {
-				LLVMTypeRef pvt = LLVMTypeOf(var->var.value);
-				LLVMTypeRef vt = LLVMGetElementType(pvt);
+				LLVMTypeRef vt = llvm_addr_type(p->module, var->var);
 				lbValue src0 = lb_emit_conv(p, var->init, t);
 				LLVMValueRef src = OdinLLVMBuildTransmute(p, src0.value, vt);
 				LLVMValueRef dst = var->var.value;
@@ -933,7 +932,7 @@ lbProcedure *lb_create_main_procedure(lbModule *m, lbProcedure *startup_runtime)
 			GB_ASSERT(LLVMIsConstant(vals[1]));
 			GB_ASSERT(LLVMIsConstant(vals[2]));
 
-			LLVMValueRef dst = LLVMConstInBoundsGEP(all_tests_array.value, indices, gb_count_of(indices));
+			LLVMValueRef dst = LLVMConstInBoundsGEP2(llvm_addr_type(m, all_tests_array), all_tests_array.value, indices, gb_count_of(indices));
 			LLVMValueRef src = llvm_const_named_struct(m, t_Internal_Test, vals, gb_count_of(vals));
 
 			LLVMBuildStore(p->builder, src, dst);

src/llvm_backend.hpp

@@ -42,6 +42,18 @@
 #define ODIN_LLVM_MINIMUM_VERSION_12 0
 #endif
 
+#if LLVM_VERSION_MAJOR > 13 || (LLVM_VERSION_MAJOR == 13 && LLVM_VERSION_MINOR >= 0 && LLVM_VERSION_PATCH > 0)
+#define ODIN_LLVM_MINIMUM_VERSION_13 1
+#else
+#define ODIN_LLVM_MINIMUM_VERSION_13 0
+#endif
+
+#if LLVM_VERSION_MAJOR > 14 || (LLVM_VERSION_MAJOR == 14 && LLVM_VERSION_MINOR >= 0 && LLVM_VERSION_PATCH > 0)
+#define ODIN_LLVM_MINIMUM_VERSION_14 1
+#else
+#define ODIN_LLVM_MINIMUM_VERSION_14 0
+#endif
+
 struct lbProcedure;
 
 struct lbValue {
@@ -115,6 +127,7 @@ struct lbModule {
 	AstPackage *pkg; // associated
 
 	PtrMap<Type *, LLVMTypeRef> types;
+	PtrMap<Type *, LLVMTypeRef> func_raw_types;
 	PtrMap<void *, lbStructFieldRemapping> struct_field_remapping; // Key: LLVMTypeRef or Type *
 	i32 internal_type_level;
 
@@ -292,11 +305,18 @@ struct lbProcedure {
 	LLVMMetadataRef debug_info;
 
 	lbCopyElisionHint copy_elision_hint;
+
+	PtrMap<Ast *, lbValue> selector_values;
+	PtrMap<Ast *, lbAddr>  selector_addr;
 };
 
 
 
-
+#if !ODIN_LLVM_MINIMUM_VERSION_14
+#define LLVMConstGEP2(Ty__, ConstantVal__, ConstantIndices__, NumIndices__) LLVMConstGEP(ConstantVal__, ConstantIndices__, NumIndices__)
+#define LLVMConstInBoundsGEP2(Ty__, ConstantVal__, ConstantIndices__, NumIndices__) LLVMConstInBoundsGEP(ConstantVal__, ConstantIndices__, NumIndices__)
+#define LLVMBuildPtrDiff2(Builder__, Ty__, LHS__, RHS__, Name__) LLVMBuildPtrDiff(Builder__, LHS__, RHS__, Name__)
+#endif
 
 bool lb_init_generator(lbGenerator *gen, Checker *c);
 
@@ -311,7 +331,8 @@ lbProcedure *lb_create_procedure(lbModule *module, Entity *entity, bool ignore_b
 void lb_end_procedure(lbProcedure *p);
 
 
-LLVMTypeRef  lb_type(lbModule *m, Type *type);
+LLVMTypeRef lb_type(lbModule *m, Type *type);
+LLVMTypeRef llvm_get_element_type(LLVMTypeRef type);
 
 lbBlock *lb_create_block(lbProcedure *p, char const *name, bool append=false);
 
@@ -324,7 +345,7 @@ lbValue lb_const_int(lbModule *m, Type *type, u64 value);
 
 lbAddr lb_addr(lbValue addr);
 Type *lb_addr_type(lbAddr const &addr);
-LLVMTypeRef lb_addr_lb_type(lbAddr const &addr);
+LLVMTypeRef llvm_addr_type(lbModule *module, lbValue addr_val);
 void lb_addr_store(lbProcedure *p, lbAddr addr, lbValue value);
 lbValue lb_addr_load(lbProcedure *p, lbAddr const &addr);
 lbValue lb_emit_load(lbProcedure *p, lbValue v);
@@ -336,8 +357,9 @@ lbValue lb_build_expr(lbProcedure *p, Ast *expr);
 lbAddr  lb_build_addr(lbProcedure *p, Ast *expr);
 void lb_build_stmt_list(lbProcedure *p, Array<Ast *> const &stmts);
 
-lbValue lb_build_gep(lbProcedure *p, lbValue const &value, i32 index) ;
-
+lbValue lb_emit_epi(lbProcedure *p, lbValue const &value, isize index);
+lbValue lb_emit_epi(lbModule *m, lbValue const &value, isize index);
+lbValue lb_emit_array_epi(lbModule *m, lbValue s, isize index);
 lbValue lb_emit_struct_ep(lbProcedure *p, lbValue s, i32 index);
 lbValue lb_emit_struct_ev(lbProcedure *p, lbValue s, i32 index);
 lbValue lb_emit_array_epi(lbProcedure *p, lbValue value, isize index);
@@ -477,9 +499,17 @@ LLVMTypeRef lb_type_padding_filler(lbModule *m, i64 padding, i64 padding_align);
 
 LLVMValueRef llvm_basic_shuffle(lbProcedure *p, LLVMValueRef vector, LLVMValueRef mask);
 
+LLVMValueRef lb_call_intrinsic(lbProcedure *p, const char *name, LLVMValueRef* args, unsigned arg_count, LLVMTypeRef* types, unsigned type_count);
 void lb_mem_copy_overlapping(lbProcedure *p, lbValue dst, lbValue src, lbValue len, bool is_volatile=false);
 void lb_mem_copy_non_overlapping(lbProcedure *p, lbValue dst, lbValue src, lbValue len, bool is_volatile=false);
+LLVMValueRef lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef ptr, LLVMValueRef len, unsigned alignment, bool is_volatile);
 
+i64 lb_max_zero_init_size(void) {
+	return cast(i64)(4*build_context.word_size);
+}
+
+LLVMTypeRef OdinLLVMGetArrayElementType(LLVMTypeRef type);
+LLVMTypeRef OdinLLVMGetVectorElementType(LLVMTypeRef type);
 
 #define LB_STARTUP_RUNTIME_PROC_NAME   "__$startup_runtime"
 #define LB_STARTUP_TYPE_INFO_PROC_NAME "__$startup_type_info"

src/llvm_backend_const.cpp

@@ -10,11 +10,12 @@ bool lb_is_const(lbValue value) {
 	return false;
 }
 
-
 bool lb_is_const_or_global(lbValue value) {
 	if (lb_is_const(value)) {
 		return true;
 	}
+	// TODO remove use of LLVMGetElementType
+	#if 0
 	if (LLVMGetValueKind(value.value) == LLVMGlobalVariableValueKind) {
 		LLVMTypeRef t = LLVMGetElementType(LLVMTypeOf(value.value));
 		if (!lb_is_type_kind(t, LLVMPointerTypeKind)) {
@@ -23,6 +24,7 @@ bool lb_is_const_or_global(lbValue value) {
 		LLVMTypeRef elem = LLVMGetElementType(t);
 		return lb_is_type_kind(elem, LLVMFunctionTypeKind);
 	}
+	#endif
 	return false;
 }
 
@@ -418,7 +420,7 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
 
 				{
 					LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
-					LLVMValueRef ptr = LLVMBuildInBoundsGEP(p->builder, array_data, indices, 2, "");
+					LLVMValueRef ptr = LLVMBuildInBoundsGEP2(p->builder, llvm_type, array_data, indices, 2, "");
 					LLVMValueRef len = LLVMConstInt(lb_type(m, t_int), count, true);
 					lbAddr slice = lb_add_local_generated(p, type, false);
 					lb_fill_slice(p, slice, {ptr, alloc_type_pointer(elem)}, {len, t_int});
@@ -445,7 +447,7 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
 
 				{
 					LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
-					LLVMValueRef ptr = LLVMConstInBoundsGEP(array_data, indices, 2);
+					LLVMValueRef ptr = LLVMConstInBoundsGEP2(lb_type(m, t), array_data, indices, 2);
 					LLVMValueRef len = LLVMConstInt(lb_type(m, t_int), count, true);
 					LLVMValueRef values[2] = {ptr, len};
 
@@ -1007,7 +1009,7 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
 				for (isize i = 0; i < value_count; i++) {
 					LLVMValueRef val = old_values[i];
 					if (!LLVMIsConstant(val)) {
-						LLVMValueRef dst = LLVMBuildStructGEP(p->builder, v.addr.value, cast(unsigned)i, "");
+						LLVMValueRef dst = LLVMBuildStructGEP2(p->builder, llvm_addr_type(p->module, v.addr), v.addr.value, cast(unsigned)i, "");
 						LLVMBuildStore(p->builder, val, dst);
 					}
 				}
@@ -1025,7 +1027,10 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
 				return lb_const_nil(m, original_type);
 			}
 
-			u64 bits = 0;
+			BigInt bits = {};
+			BigInt one = {};
+			big_int_from_u64(&one, 1);
+
 			for_array(i, cl->elems) {
 				Ast *e = cl->elems[i];
 				GB_ASSERT(e->kind != Ast_FieldValue);
@@ -1037,18 +1042,13 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
 				GB_ASSERT(tav.value.kind == ExactValue_Integer);
 				i64 v = big_int_to_i64(&tav.value.value_integer);
 				i64 lower = type->BitSet.lower;
-				bits |= 1ull<<cast(u64)(v-lower);
+				u64 index = cast(u64)(v-lower);
+				BigInt bit = {};
+				big_int_from_u64(&bit, index);
+				big_int_shl(&bit, &one, &bit);
+				big_int_or(&bits, &bits, &bit);
 			}
-			if (is_type_different_to_arch_endianness(type)) {
-				i64 size = type_size_of(type);
-				switch (size) {
-				case 2: bits = cast(u64)gb_endian_swap16(cast(u16)bits); break;
-				case 4: bits = cast(u64)gb_endian_swap32(cast(u32)bits); break;
-				case 8: bits = cast(u64)gb_endian_swap64(cast(u64)bits); break;
-				}
-			}
-
-			res.value = LLVMConstInt(lb_type(m, original_type), bits, false);
+			res.value = lb_big_int_to_llvm(m, original_type, &bits);
 			return res;
 		} else if (is_type_matrix(type)) {
 			ast_node(cl, CompoundLit, value.value_compound);

src/llvm_backend_debug.cpp

@@ -43,6 +43,10 @@ LLVMMetadataRef lb_debug_location_from_ast(lbProcedure *p, Ast *node) {
 	GB_ASSERT(node != nullptr);
 	return lb_debug_location_from_token_pos(p, ast_token(node).pos);
 }
+LLVMMetadataRef lb_debug_end_location_from_ast(lbProcedure *p, Ast *node) {
+	GB_ASSERT(node != nullptr);
+	return lb_debug_location_from_token_pos(p, ast_end_token(node).pos);
+}
 
 LLVMMetadataRef lb_debug_type_internal_proc(lbModule *m, Type *type) {
 	i64 size = type_size_of(type); // Check size
@@ -969,7 +973,7 @@ void lb_add_debug_local_variable(lbProcedure *p, LLVMValueRef ptr, Type *type, T
 	);
 
 	LLVMValueRef storage = ptr;
-	LLVMBasicBlockRef block = p->decl_block->block;
+	LLVMBasicBlockRef block = p->curr_block->block;
 	LLVMMetadataRef llvm_debug_loc = lb_debug_location_from_token_pos(p, token.pos);
 	LLVMMetadataRef llvm_expr = LLVMDIBuilderCreateExpression(m->debug_builder, nullptr, 0);
 	lb_set_llvm_metadata(m, ptr, llvm_expr);

src/llvm_backend_general.cpp

@@ -56,6 +56,7 @@ void lb_init_module(lbModule *m, Checker *c) {
 
 	gbAllocator a = heap_allocator();
 	map_init(&m->types, a);
+	map_init(&m->func_raw_types, a);
 	map_init(&m->struct_field_remapping, a);
 	map_init(&m->values, a);
 	map_init(&m->soa_values, a);
@@ -174,7 +175,8 @@ struct lbLoopData {
 struct lbCompoundLitElemTempData {
 	Ast *   expr;
 	lbValue value;
-	i32     elem_index;
+	i64     elem_index;
+	i64     elem_length;
 	lbValue gep;
 };
 
@@ -211,6 +213,45 @@ void lb_loop_end(lbProcedure *p, lbLoopData const &data) {
 }
 
 
+// This emits a GEP at 0, index
+lbValue lb_emit_epi(lbProcedure *p, lbValue const &value, isize index) {
+	GB_ASSERT(is_type_pointer(value.type));
+	Type *type = type_deref(value.type);
+
+	LLVMValueRef indices[2] = {
+		LLVMConstInt(lb_type(p->module, t_int), 0, false),
+		LLVMConstInt(lb_type(p->module, t_int), cast(unsigned long long)index, false),
+	};
+	LLVMTypeRef llvm_type = lb_type(p->module, type);
+	lbValue res = {};
+	Type *ptr = base_array_type(type);
+	res.type = alloc_type_pointer(ptr);
+	if (LLVMIsConstant(value.value)) {
+		res.value = LLVMConstGEP2(llvm_type, value.value, indices, gb_count_of(indices));
+	} else {
+		res.value = LLVMBuildGEP2(p->builder, llvm_type, value.value, indices, gb_count_of(indices), "");
+	}
+	return res;
+}
+// This emits a GEP at 0, index
+lbValue lb_emit_epi(lbModule *m, lbValue const &value, isize index) {
+	GB_ASSERT(is_type_pointer(value.type));
+	GB_ASSERT(LLVMIsConstant(value.value));
+	Type *type = type_deref(value.type);
+
+	LLVMValueRef indices[2] = {
+		LLVMConstInt(lb_type(m, t_int), 0, false),
+		LLVMConstInt(lb_type(m, t_int), cast(unsigned long long)index, false),
+	};
+	lbValue res = {};
+	Type *ptr = base_array_type(type);
+	res.type = alloc_type_pointer(ptr);
+	res.value = LLVMConstGEP2(lb_type(m, type), value.value, indices, gb_count_of(indices));
+	return res;
+}
+
+
+
 LLVMValueRef llvm_zero(lbModule *m) {
 	return LLVMConstInt(lb_type(m, t_int), 0, false);
 }
@@ -341,9 +382,6 @@ Type *lb_addr_type(lbAddr const &addr) {
 	}
 	return type_deref(addr.addr.type);
 }
-LLVMTypeRef lb_addr_lb_type(lbAddr const &addr) {
-	return LLVMGetElementType(LLVMTypeOf(addr.addr.value));
-}
 
 lbValue lb_addr_get_ptr(lbProcedure *p, lbAddr const &addr) {
 	if (addr.addr.value == nullptr) {
@@ -530,6 +568,13 @@ void lb_emit_slice_bounds_check(lbProcedure *p, Token token, lbValue low, lbValu
 	}
 }
 
+unsigned lb_try_get_alignment(LLVMValueRef addr_ptr, unsigned default_alignment) {
+	if (LLVMIsAGlobalValue(addr_ptr) || LLVMIsAAllocaInst(addr_ptr) || LLVMIsALoadInst(addr_ptr)) {
+		return LLVMGetAlignment(addr_ptr);
+	}
+	return default_alignment;
+}
+
 bool lb_try_update_alignment(LLVMValueRef addr_ptr, unsigned alignment) {
 	if (LLVMIsAGlobalValue(addr_ptr) || LLVMIsAAllocaInst(addr_ptr) || LLVMIsALoadInst(addr_ptr)) {
 		if (LLVMGetAlignment(addr_ptr) < alignment) {
@@ -852,6 +897,20 @@ bool lb_is_type_proc_recursive(Type *t) {
 void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
 	GB_ASSERT(value.value != nullptr);
 	Type *a = type_deref(ptr.type);
+
+	if (LLVMIsNull(value.value)) {
+		LLVMTypeRef src_t = llvm_addr_type(p->module, ptr);
+		if (is_type_proc(a)) {
+			LLVMTypeRef rawptr_type = lb_type(p->module, t_rawptr);
+			LLVMTypeRef rawptr_ptr_type = LLVMPointerType(rawptr_type, 0);
+			LLVMBuildStore(p->builder, LLVMConstNull(rawptr_type), LLVMBuildBitCast(p->builder, ptr.value, rawptr_ptr_type, ""));
+		} else if (lb_sizeof(src_t) <= lb_max_zero_init_size()) {
+			LLVMBuildStore(p->builder, LLVMConstNull(src_t), ptr.value);
+		} else {
+			lb_mem_zero_ptr(p, ptr.value, a, 1);
+		}
+		return;
+	}
 	if (is_type_boolean(a)) {
 		// NOTE(bill): There are multiple sized booleans, thus force a conversion (if necessarily)
 		value = lb_emit_conv(p, value, a);
@@ -861,13 +920,48 @@ void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
 		GB_ASSERT_MSG(are_types_identical(ca, core_type(value.type)), "%s != %s", type_to_string(a), type_to_string(value.type));
 	}
 
+	enum {MAX_STORE_SIZE = 64};
+
+	if (lb_sizeof(LLVMTypeOf(value.value)) > MAX_STORE_SIZE) {
+		if (LLVMIsALoadInst(value.value)) {
+			LLVMValueRef dst_ptr = ptr.value;
+			LLVMValueRef src_ptr_original = LLVMGetOperand(value.value, 0);
+			LLVMValueRef src_ptr = LLVMBuildPointerCast(p->builder, src_ptr_original, LLVMTypeOf(dst_ptr), "");
+
+			LLVMBuildMemMove(p->builder,
+			                 dst_ptr, lb_try_get_alignment(dst_ptr, 1),
+			                 src_ptr, lb_try_get_alignment(src_ptr_original, 1),
+			                 LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
+			return;
+		} else if (LLVMIsConstant(value.value)) {
+			lbAddr addr = lb_add_global_generated(p->module, value.type, value, nullptr);
+			LLVMValueRef global_data = addr.addr.value;
+			// make it truly private data
+			LLVMSetLinkage(global_data, LLVMPrivateLinkage);
+			LLVMSetUnnamedAddress(global_data, LLVMGlobalUnnamedAddr);
+			LLVMSetGlobalConstant(global_data, true);
+
+			LLVMValueRef dst_ptr = ptr.value;
+			LLVMValueRef src_ptr = global_data;
+			src_ptr = LLVMBuildPointerCast(p->builder, src_ptr, LLVMTypeOf(dst_ptr), "");
+
+			LLVMBuildMemMove(p->builder,
+			                 dst_ptr, lb_try_get_alignment(dst_ptr, 1),
+			                 src_ptr, lb_try_get_alignment(global_data, 1),
+			                 LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
+			return;
+		}
+	}
+
 	if (lb_is_type_proc_recursive(a)) {
 		// NOTE(bill, 2020-11-11): Because of certain LLVM rules, a procedure value may be
 		// stored as regular pointer with no procedure information
 
-		LLVMTypeRef src_t = LLVMGetElementType(LLVMTypeOf(ptr.value));
-		LLVMValueRef v = LLVMBuildPointerCast(p->builder, value.value, src_t, "");
-		LLVMBuildStore(p->builder, v, ptr.value);
+ 		LLVMTypeRef rawptr_type = lb_type(p->module, t_rawptr);
+ 		LLVMTypeRef rawptr_ptr_type = LLVMPointerType(rawptr_type, 0);
+		LLVMBuildStore(p->builder,
+		               LLVMBuildPointerCast(p->builder, value.value, rawptr_type, ""),
+		               LLVMBuildPointerCast(p->builder, ptr.value, rawptr_ptr_type, ""));
 	} else {
 		Type *ca = core_type(a);
 		if (ca->kind == Type_Basic || ca->kind == Type_Proc) {
@@ -880,8 +974,8 @@ void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
 	}
 }
 
-LLVMTypeRef llvm_addr_type(lbValue addr_val) {
-	return LLVMGetElementType(LLVMTypeOf(addr_val.value));
+LLVMTypeRef llvm_addr_type(lbModule *module, lbValue addr_val) {
+	return lb_type(module, type_deref(addr_val.type));
 }
 
 lbValue lb_emit_load(lbProcedure *p, lbValue value) {
@@ -890,12 +984,18 @@ lbValue lb_emit_load(lbProcedure *p, lbValue value) {
 		Type *vt = base_type(value.type);
 		GB_ASSERT(vt->kind == Type_MultiPointer);
 		Type *t = vt->MultiPointer.elem;
-		LLVMValueRef v = LLVMBuildLoad2(p->builder, llvm_addr_type(value), value.value, "");
+		LLVMValueRef v = LLVMBuildLoad2(p->builder, lb_type(p->module, t), value.value, "");
 		return lbValue{v, t};
+	} else if (is_type_soa_pointer(value.type)) {
+		lbValue ptr = lb_emit_struct_ev(p, value, 0);
+		lbValue idx = lb_emit_struct_ev(p, value, 1);
+		lbAddr addr = lb_addr_soa_variable(ptr, idx, nullptr);
+		return lb_addr_load(p, addr);
 	}
+
 	GB_ASSERT(is_type_pointer(value.type));
 	Type *t = type_deref(value.type);
-	LLVMValueRef v = LLVMBuildLoad2(p->builder, llvm_addr_type(value), value.value, "");
+	LLVMValueRef v = LLVMBuildLoad2(p->builder, lb_type(p->module, t), value.value, "");
 	return lbValue{v, t};
 }
 
@@ -1160,12 +1260,12 @@ lbValue lb_emit_union_tag_ptr(lbProcedure *p, lbValue u) {
 
 	Type *tag_type = union_tag_type(ut);
 
-	LLVMTypeRef uvt = LLVMGetElementType(LLVMTypeOf(u.value));
+	LLVMTypeRef uvt = llvm_addr_type(p->module, u);
 	unsigned element_count = LLVMCountStructElementTypes(uvt);
 	GB_ASSERT_MSG(element_count >= 2, "element_count=%u (%s) != (%s)", element_count, type_to_string(ut), LLVMPrintTypeToString(uvt));
 
 	lbValue tag_ptr = {};
-	tag_ptr.value = LLVMBuildStructGEP(p->builder, u.value, 1, "");
+	tag_ptr.value = LLVMBuildStructGEP2(p->builder, uvt, u.value, 1, "");
 	tag_ptr.type = alloc_type_pointer(tag_type);
 	return tag_ptr;
 }
@@ -1389,6 +1489,116 @@ String lb_get_entity_name(lbModule *m, Entity *e, String default_name) {
 }
 
 
+LLVMTypeRef lb_type_internal_for_procedures_raw(lbModule *m, Type *type) {
+	Type *original_type = type;
+	type = base_type(original_type);
+	GB_ASSERT(type->kind == Type_Proc);
+
+	LLVMTypeRef *found = map_get(&m->func_raw_types, type);
+	if (found) {
+		return *found;
+	}
+
+	unsigned param_count = 0;
+	if (type->Proc.calling_convention == ProcCC_Odin) {
+		param_count += 1;
+	}
+
+	if (type->Proc.param_count != 0) {
+		GB_ASSERT(type->Proc.params->kind == Type_Tuple);
+		for_array(i, type->Proc.params->Tuple.variables) {
+			Entity *e = type->Proc.params->Tuple.variables[i];
+			if (e->kind != Entity_Variable) {
+				continue;
+			}
+			if (e->flags & EntityFlag_CVarArg) {
+				continue;
+			}
+			param_count += 1;
+		}
+	}
+	m->internal_type_level += 1;
+	defer (m->internal_type_level -= 1);
+
+	LLVMTypeRef ret = nullptr;
+	LLVMTypeRef *params = gb_alloc_array(permanent_allocator(), LLVMTypeRef, param_count);
+	if (type->Proc.result_count != 0) {
+		Type *single_ret = reduce_tuple_to_single_type(type->Proc.results);
+		ret = lb_type(m, single_ret);
+		if (ret != nullptr) {
+			if (is_type_boolean(single_ret) &&
+			    is_calling_convention_none(type->Proc.calling_convention) &&
+			    type_size_of(single_ret) <= 1) {
+				ret = LLVMInt1TypeInContext(m->ctx);
+			}
+		}
+	}
+
+	unsigned param_index = 0;
+	if (type->Proc.param_count != 0) {
+		GB_ASSERT(type->Proc.params->kind == Type_Tuple);
+		for_array(i, type->Proc.params->Tuple.variables) {
+			Entity *e = type->Proc.params->Tuple.variables[i];
+			if (e->kind != Entity_Variable) {
+				continue;
+			}
+			if (e->flags & EntityFlag_CVarArg) {
+				continue;
+			}
+			Type *e_type = reduce_tuple_to_single_type(e->type);
+
+			LLVMTypeRef param_type = nullptr;
+			if (e->flags & EntityFlag_ByPtr) {
+				param_type = lb_type(m, alloc_type_pointer(e_type));
+			} else if (is_type_boolean(e_type) &&
+			    type_size_of(e_type) <= 1) {
+				param_type = LLVMInt1TypeInContext(m->ctx);
+			} else {
+				if (is_type_proc(e_type)) {
+					param_type = lb_type(m, t_rawptr);
+				} else {
+					param_type = lb_type(m, e_type);
+				}
+			}
+
+			params[param_index++] = param_type;
+		}
+	}
+	if (param_index < param_count) {
+		params[param_index++] = lb_type(m, t_rawptr);
+	}
+	GB_ASSERT(param_index == param_count);
+
+	lbFunctionType *ft = lb_get_abi_info(m->ctx, params, param_count, ret, ret != nullptr, type->Proc.calling_convention);
+	{
+		for_array(j, ft->args) {
+			auto arg = ft->args[j];
+			GB_ASSERT_MSG(LLVMGetTypeContext(arg.type) == ft->ctx,
+			              "\n\t%s %td/%td"
+			              "\n\tArgTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx:  %p",
+			              LLVMPrintTypeToString(arg.type),
+			              j, ft->args.count,
+			              LLVMGetTypeContext(arg.type), ft->ctx, LLVMGetGlobalContext());
+		}
+		GB_ASSERT_MSG(LLVMGetTypeContext(ft->ret.type) == ft->ctx,
+		              "\n\t%s"
+		              "\n\tRetTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx:  %p",
+		              LLVMPrintTypeToString(ft->ret.type),
+		              LLVMGetTypeContext(ft->ret.type), ft->ctx, LLVMGetGlobalContext());
+	}
+
+	map_set(&m->function_type_map, type, ft);
+	LLVMTypeRef new_abi_fn_type = lb_function_type_to_llvm_raw(ft, type->Proc.c_vararg);
+
+	GB_ASSERT_MSG(LLVMGetTypeContext(new_abi_fn_type) == m->ctx,
+	              "\n\tFuncTypeCtx: %p\n\tCurrentCtx:  %p\n\tGlobalCtx:   %p",
+	              LLVMGetTypeContext(new_abi_fn_type), m->ctx, LLVMGetGlobalContext());
+
+	map_set(&m->func_raw_types, type, new_abi_fn_type);
+
+	return new_abi_fn_type;
+
+}
 LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
 	LLVMContextRef ctx = m->ctx;
 	i64 size = type_size_of(type); // Check size
@@ -1892,102 +2102,8 @@ LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
 		if (m->internal_type_level > 1) { // TODO HACK(bill): is this really enough?
 			return LLVMPointerType(LLVMIntTypeInContext(m->ctx, 8), 0);
 		} else {
-			unsigned param_count = 0;
-			if (type->Proc.calling_convention == ProcCC_Odin) {
-				param_count += 1;
-			}
-
-			if (type->Proc.param_count != 0) {
-				GB_ASSERT(type->Proc.params->kind == Type_Tuple);
-				for_array(i, type->Proc.params->Tuple.variables) {
-					Entity *e = type->Proc.params->Tuple.variables[i];
-					if (e->kind != Entity_Variable) {
-						continue;
-					}
-					if (e->flags & EntityFlag_CVarArg) {
-						continue;
-					}
-					param_count += 1;
-				}
-			}
-			m->internal_type_level += 1;
-			defer (m->internal_type_level -= 1);
-
-			LLVMTypeRef ret = nullptr;
-			LLVMTypeRef *params = gb_alloc_array(permanent_allocator(), LLVMTypeRef, param_count);
-			if (type->Proc.result_count != 0) {
-				Type *single_ret = reduce_tuple_to_single_type(type->Proc.results);
-				ret = lb_type(m, single_ret);
-				if (ret != nullptr) {
-					if (is_type_boolean(single_ret) &&
-					    is_calling_convention_none(type->Proc.calling_convention) &&
-					    type_size_of(single_ret) <= 1) {
-						ret = LLVMInt1TypeInContext(m->ctx);
-					}
-				}
-			}
-
-			unsigned param_index = 0;
-			if (type->Proc.param_count != 0) {
-				GB_ASSERT(type->Proc.params->kind == Type_Tuple);
-				for_array(i, type->Proc.params->Tuple.variables) {
-					Entity *e = type->Proc.params->Tuple.variables[i];
-					if (e->kind != Entity_Variable) {
-						continue;
-					}
-					if (e->flags & EntityFlag_CVarArg) {
-						continue;
-					}
-
-					Type *e_type = reduce_tuple_to_single_type(e->type);
-
-					LLVMTypeRef param_type = nullptr;
-					if (is_type_boolean(e_type) &&
-					    type_size_of(e_type) <= 1) {
-						param_type = LLVMInt1TypeInContext(m->ctx);
-					} else {
-						if (is_type_proc(e_type)) {
-							param_type = lb_type(m, t_rawptr);
-						} else {
-							param_type = lb_type(m, e_type);
-						}
-					}
-
-					params[param_index++] = param_type;
-				}
-			}
-			if (param_index < param_count) {
-				params[param_index++] = lb_type(m, t_rawptr);
-			}
-			GB_ASSERT(param_index == param_count);
-
-			lbFunctionType *ft = lb_get_abi_info(m->ctx, params, param_count, ret, ret != nullptr, type->Proc.calling_convention);
-			{
-				for_array(j, ft->args) {
-					auto arg = ft->args[j];
-					GB_ASSERT_MSG(LLVMGetTypeContext(arg.type) == ft->ctx,
-					              "\n\t%s %td/%td"
-					              "\n\tArgTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx:  %p",
-					              LLVMPrintTypeToString(arg.type),
-					              j, ft->args.count,
-					              LLVMGetTypeContext(arg.type), ft->ctx, LLVMGetGlobalContext());
-				}
-				GB_ASSERT_MSG(LLVMGetTypeContext(ft->ret.type) == ft->ctx,
-				              "\n\t%s"
-				              "\n\tRetTypeCtx: %p\n\tCurrentCtx: %p\n\tGlobalCtx:  %p",
-				              LLVMPrintTypeToString(ft->ret.type),
-				              LLVMGetTypeContext(ft->ret.type), ft->ctx, LLVMGetGlobalContext());
-			}
-
-			map_set(&m->function_type_map, type, ft);
-			LLVMTypeRef new_abi_fn_ptr_type = lb_function_type_to_llvm_ptr(ft, type->Proc.c_vararg);
-			LLVMTypeRef new_abi_fn_type = LLVMGetElementType(new_abi_fn_ptr_type);
-
-			GB_ASSERT_MSG(LLVMGetTypeContext(new_abi_fn_type) == m->ctx,
-			              "\n\tFuncTypeCtx: %p\n\tCurrentCtx:  %p\n\tGlobalCtx:   %p",
-			              LLVMGetTypeContext(new_abi_fn_type), m->ctx, LLVMGetGlobalContext());
-
-			return new_abi_fn_ptr_type;
+			LLVMTypeRef proc_raw_type = lb_type_internal_for_procedures_raw(m, type);
+			return LLVMPointerType(proc_raw_type, 0);
 		}
 
 		break;
@@ -2030,6 +2146,15 @@ LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
 			m->internal_type_level += 1;
 			return t;
 		}
+
+	case Type_SoaPointer:
+		{
+			unsigned field_count = 2;
+			LLVMTypeRef *fields = gb_alloc_array(permanent_allocator(), LLVMTypeRef, field_count);
+			fields[0] = LLVMPointerType(lb_type(m, type->Pointer.elem), 0);
+			fields[1] = LLVMIntTypeInContext(ctx, 8*cast(unsigned)build_context.word_size);
+			return LLVMStructTypeInContext(ctx, fields, field_count, false);
+		}
 	
 	}
 
@@ -2234,6 +2359,17 @@ void lb_emit_if(lbProcedure *p, lbValue cond, lbBlock *true_block, lbBlock *fals
 }
 
 
+gb_inline LLVMTypeRef OdinLLVMGetInternalElementType(LLVMTypeRef type) {
+	return LLVMGetElementType(type);
+}
+LLVMTypeRef OdinLLVMGetArrayElementType(LLVMTypeRef type) {
+	GB_ASSERT(lb_is_type_kind(type, LLVMArrayTypeKind));
+	return OdinLLVMGetInternalElementType(type);
+}
+LLVMTypeRef OdinLLVMGetVectorElementType(LLVMTypeRef type) {
+	GB_ASSERT(lb_is_type_kind(type, LLVMVectorTypeKind));
+	return OdinLLVMGetInternalElementType(type);
+}
 
 
 LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRef dst_type) {
@@ -2304,7 +2440,7 @@ general_end:;
 	if (LLVMIsALoadInst(val) && (src_size >= dst_size && src_align >= dst_align)) {
 		LLVMValueRef val_ptr = LLVMGetOperand(val, 0);
 		val_ptr = LLVMBuildPointerCast(p->builder, val_ptr, LLVMPointerType(dst_type, 0), "");
-		LLVMValueRef loaded_val = LLVMBuildLoad(p->builder, val_ptr, "");
+		LLVMValueRef loaded_val = LLVMBuildLoad2(p->builder, dst_type, val_ptr, "");
 
 		// LLVMSetAlignment(loaded_val, gb_min(src_align, dst_align));
 
@@ -2320,7 +2456,7 @@ general_end:;
 		LLVMValueRef nptr = LLVMBuildPointerCast(p->builder, ptr, LLVMPointerType(src_type, 0), "");
 		LLVMBuildStore(p->builder, val, nptr);
 
-		return LLVMBuildLoad(p->builder, ptr, "");
+		return LLVMBuildLoad2(p->builder, dst_type, ptr, "");
 	}
 }
 
@@ -2346,11 +2482,15 @@ LLVMValueRef lb_find_or_add_entity_string_ptr(lbModule *m, String const &str) {
 		isize len = gb_snprintf(name, max_len, "csbs$%x", id);
 		len -= 1;
 
-		LLVMValueRef global_data = LLVMAddGlobal(m->mod, LLVMTypeOf(data), name);
+		LLVMTypeRef type = LLVMTypeOf(data);
+		LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name);
 		LLVMSetInitializer(global_data, data);
 		LLVMSetLinkage(global_data, LLVMPrivateLinkage);
+		LLVMSetUnnamedAddress(global_data, LLVMGlobalUnnamedAddr);
+		LLVMSetAlignment(global_data, 1);
+		LLVMSetGlobalConstant(global_data, true);
 
-		LLVMValueRef ptr = LLVMConstInBoundsGEP(global_data, indices, 2);
+		LLVMValueRef ptr = LLVMConstInBoundsGEP2(type, global_data, indices, 2);
 		string_map_set(&m->const_strings, key, ptr);
 		return ptr;
 	}
@@ -2388,13 +2528,17 @@ lbValue lb_find_or_add_entity_string_byte_slice(lbModule *m, String const &str)
 		isize len = gb_snprintf(name, max_len, "csbs$%x", id);
 		len -= 1;
 	}
-	LLVMValueRef global_data = LLVMAddGlobal(m->mod, LLVMTypeOf(data), name);
+	LLVMTypeRef type = LLVMTypeOf(data);
+	LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name);
 	LLVMSetInitializer(global_data, data);
 	LLVMSetLinkage(global_data, LLVMPrivateLinkage);
+	LLVMSetUnnamedAddress(global_data, LLVMGlobalUnnamedAddr);
+	LLVMSetAlignment(global_data, 1);
+	LLVMSetGlobalConstant(global_data, true);
 
 	LLVMValueRef ptr = nullptr;
 	if (str.len != 0) {
-		ptr = LLVMConstInBoundsGEP(global_data, indices, 2);
+		ptr = LLVMConstInBoundsGEP2(type, global_data, indices, 2);
 	} else {
 		ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
 	}
@@ -2627,6 +2771,7 @@ lbValue lb_generate_global_array(lbModule *m, Type *elem_type, i64 count, String
 	g.type = alloc_type_pointer(t);
 	LLVMSetInitializer(g.value, LLVMConstNull(lb_type(m, t)));
 	LLVMSetLinkage(g.value, LLVMPrivateLinkage);
+	LLVMSetUnnamedAddress(g.value, LLVMGlobalUnnamedAddr);
 	string_map_set(&m->members, s, g);
 	return g;
 }
@@ -2709,20 +2854,18 @@ lbAddr lb_add_local(lbProcedure *p, Type *type, Entity *e, bool zero_init, i32 p
 	if (!zero_init && !force_no_init) {
 		// If there is any padding of any kind, just zero init regardless of zero_init parameter
 		LLVMTypeKind kind = LLVMGetTypeKind(llvm_type);
+		if (kind == LLVMArrayTypeKind) {
+			kind = LLVMGetTypeKind(lb_type(p->module, core_array_type(type)));
+		}
+
 		if (kind == LLVMStructTypeKind) {
 			i64 sz = type_size_of(type);
 			if (type_size_of_struct_pretend_is_packed(type) != sz) {
 				zero_init = true;
 			}
-		} else if (kind == LLVMArrayTypeKind) {
-			zero_init = true;
 		}
 	}
 
-	if (zero_init) {
-		lb_mem_zero_ptr(p, ptr, type, alignment);
-	}
-
 	lbValue val = {};
 	val.value = ptr;
 	val.type = alloc_type_pointer(type);
@@ -2732,6 +2875,10 @@ lbAddr lb_add_local(lbProcedure *p, Type *type, Entity *e, bool zero_init, i32 p
 		lb_add_debug_local_variable(p, ptr, type, e->token);
 	}
 
+	if (zero_init) {
+		lb_mem_zero_ptr(p, ptr, type, alignment);
+	}
+
 	return lb_addr(val);
 }
 

src/llvm_backend_opt.cpp

@@ -62,7 +62,9 @@ void lb_basic_populate_function_pass_manager(LLVMPassManagerRef fpm, i32 optimiz
 		LLVMAddPromoteMemoryToRegisterPass(fpm);
 		LLVMAddMergedLoadStoreMotionPass(fpm);
 		LLVM_ADD_CONSTANT_VALUE_PASS(fpm);
-		LLVMAddEarlyCSEPass(fpm);
+		if (!build_context.ODIN_DEBUG) {
+			LLVMAddEarlyCSEPass(fpm);
+		}
 	}
 }
 

src/llvm_backend_proc.cpp

@@ -1,3 +1,13 @@
+
+LLVMValueRef lb_call_intrinsic(lbProcedure *p, const char *name, LLVMValueRef* args, unsigned arg_count, LLVMTypeRef* types, unsigned type_count)
+{
+	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
+	GB_ASSERT_MSG(id != 0, "Unable to find %s", name);
+	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, type_count);
+	LLVMTypeRef call_type = LLVMIntrinsicGetType(p->module->ctx, id, types, type_count);
+	return LLVMBuildCall2(p->builder, call_type, ip, args, arg_count, "");
+}
+
 void lb_mem_copy_overlapping(lbProcedure *p, lbValue dst, lbValue src, lbValue len, bool is_volatile) {
 	dst = lb_emit_conv(p, dst, t_rawptr);
 	src = lb_emit_conv(p, src, t_rawptr);
@@ -10,23 +20,23 @@ void lb_mem_copy_overlapping(lbProcedure *p, lbValue dst, lbValue src, lbValue l
 			name = "llvm.memmove.inline";
 		}
 	}
-
 	LLVMTypeRef types[3] = {
 		lb_type(p->module, t_rawptr),
 		lb_type(p->module, t_rawptr),
 		lb_type(p->module, t_int)
 	};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s.%s.%s", name, LLVMPrintTypeToString(types[0]), LLVMPrintTypeToString(types[1]), LLVMPrintTypeToString(types[2]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
+	LLVMValueRef args[4] = {
+		dst.value,
+		src.value,
+		len.value,
+		LLVMConstInt(LLVMInt1TypeInContext(p->module->ctx), 0, is_volatile)
+	};
 
-	LLVMValueRef args[4] = {};
-	args[0] = dst.value;
-	args[1] = src.value;
-	args[2] = len.value;
-	args[3] = LLVMConstInt(LLVMInt1TypeInContext(p->module->ctx), 0, is_volatile);
-	LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 }
+
+
+
 void lb_mem_copy_non_overlapping(lbProcedure *p, lbValue dst, lbValue src, lbValue len, bool is_volatile) {
 	dst = lb_emit_conv(p, dst, t_rawptr);
 	src = lb_emit_conv(p, src, t_rawptr);
@@ -45,16 +55,14 @@ void lb_mem_copy_non_overlapping(lbProcedure *p, lbValue dst, lbValue src, lbVal
 		lb_type(p->module, t_rawptr),
 		lb_type(p->module, t_int)
 	};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s.%s.%s", name, LLVMPrintTypeToString(types[0]), LLVMPrintTypeToString(types[1]), LLVMPrintTypeToString(types[2]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-	LLVMValueRef args[4] = {};
-	args[0] = dst.value;
-	args[1] = src.value;
-	args[2] = len.value;
-	args[3] = LLVMConstInt(LLVMInt1TypeInContext(p->module->ctx), 0, is_volatile);
-	LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	LLVMValueRef args[4] = {
+			dst.value,
+			src.value,
+			len.value,
+			LLVMConstInt(LLVMInt1TypeInContext(p->module->ctx), 0, is_volatile) };
+
+	lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 }
 
 
@@ -113,14 +121,15 @@ lbProcedure *lb_create_procedure(lbModule *m, Entity *entity, bool ignore_body)
 	p->branch_blocks.allocator = a;
 	p->context_stack.allocator = a;
 	p->scope_stack.allocator   = a;
+	map_init(&p->selector_values, a, 0);
+	map_init(&p->selector_addr,   a, 0);
 
 	if (p->is_foreign) {
 		lb_add_foreign_library_path(p->module, entity->Procedure.foreign_library);
 	}
 
 	char *c_link_name = alloc_cstring(permanent_allocator(), p->name);
-	LLVMTypeRef func_ptr_type = lb_type(m, p->type);
-	LLVMTypeRef func_type = LLVMGetElementType(func_ptr_type);
+	LLVMTypeRef func_type = lb_get_procedure_raw_type(m, p->type);
 
 	p->value = LLVMAddFunction(m->mod, c_link_name, func_type);
 
@@ -344,8 +353,7 @@ lbProcedure *lb_create_dummy_procedure(lbModule *m, String link_name, Type *type
 
 
 	char *c_link_name = alloc_cstring(permanent_allocator(), p->name);
-	LLVMTypeRef func_ptr_type = lb_type(m, p->type);
-	LLVMTypeRef func_type = LLVMGetElementType(func_ptr_type);
+	LLVMTypeRef func_type = lb_get_procedure_raw_type(m, p->type);
 
 	p->value = LLVMAddFunction(m->mod, c_link_name, func_type);
 
@@ -433,6 +441,40 @@ void lb_start_block(lbProcedure *p, lbBlock *b) {
 	p->curr_block = b;
 }
 
+void lb_set_debug_position_to_procedure_begin(lbProcedure *p) {
+	if (p->debug_info == nullptr) {
+		return;
+	}
+	TokenPos pos = {};
+	if (p->body != nullptr) {
+		pos = ast_token(p->body).pos;
+	} else if (p->type_expr != nullptr) {
+		pos = ast_token(p->type_expr).pos;
+	} else if (p->entity != nullptr) {
+		pos = p->entity->token.pos;
+	}
+	if (pos.file_id != 0) {
+		LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_token_pos(p, pos));
+	}
+}
+
+void lb_set_debug_position_to_procedure_end(lbProcedure *p) {
+	if (p->debug_info == nullptr) {
+		return;
+	}
+	TokenPos pos = {};
+	if (p->body != nullptr) {
+		pos = ast_end_token(p->body).pos;
+	} else if (p->type_expr != nullptr) {
+		pos = ast_end_token(p->type_expr).pos;
+	} else if (p->entity != nullptr) {
+		pos = p->entity->token.pos;
+	}
+	if (pos.file_id != 0) {
+		LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_token_pos(p, pos));
+	}
+}
+
 void lb_begin_procedure_body(lbProcedure *p) {
 	DeclInfo *decl = decl_info_of_entity(p->entity);
 	if (decl != nullptr) {
@@ -564,29 +606,21 @@ void lb_begin_procedure_body(lbProcedure *p) {
 		lb_push_context_onto_stack_from_implicit_parameter(p);
 	}
 
-	lb_start_block(p, p->entry_block);
-
+	lb_set_debug_position_to_procedure_begin(p);
 	if (p->debug_info != nullptr) {
-		TokenPos pos = {};
-		if (p->body != nullptr) {
-			pos = ast_token(p->body).pos;
-		} else if (p->type_expr != nullptr) {
-			pos = ast_token(p->type_expr).pos;
-		} else if (p->entity != nullptr) {
-			pos = p->entity->token.pos;
-		}
-		if (pos.file_id != 0) {
-			LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_token_pos(p, pos));
-		}
-
 		if (p->context_stack.count != 0) {
+			p->curr_block = p->decl_block;
 			lb_add_debug_context_variable(p, lb_find_or_generate_context_ptr(p));
 		}
 
 	}
+
+	lb_start_block(p, p->entry_block);
 }
 
 void lb_end_procedure_body(lbProcedure *p) {
+	lb_set_debug_position_to_procedure_begin(p);
+
 	LLVMPositionBuilderAtEnd(p->builder, p->decl_block->block);
 	LLVMBuildBr(p->builder, p->entry_block->block);
 	LLVMPositionBuilderAtEnd(p->builder, p->curr_block->block);
@@ -598,6 +632,7 @@ void lb_end_procedure_body(lbProcedure *p) {
 		instr = LLVMGetLastInstruction(p->curr_block->block);
 		if (!lb_is_instr_terminating(instr)) {
 			lb_emit_defer_stmts(p, lbDeferExit_Return, nullptr);
+			lb_set_debug_position_to_procedure_end(p);
 			LLVMBuildRetVoid(p->builder);
 		}
 	}
@@ -716,12 +751,12 @@ lbValue lb_emit_call_internal(lbProcedure *p, lbValue value, lbValue return_ptr,
 	GB_ASSERT(curr_block != p->decl_block->block);
 
 	{
-		LLVMTypeRef ftp = lb_type(p->module, value.type);
+		LLVMTypeRef fnp = lb_type_internal_for_procedures_raw(p->module, value.type);
+		LLVMTypeRef ftp = LLVMPointerType(fnp, 0);
 		LLVMValueRef fn = value.value;
 		if (!lb_is_type_kind(LLVMTypeOf(value.value), LLVMFunctionTypeKind)) {
 			fn = LLVMBuildPointerCast(p->builder, fn, ftp, "");
 		}
-		LLVMTypeRef fnp = LLVMGetElementType(LLVMTypeOf(fn));
 		GB_ASSERT_MSG(lb_is_type_kind(fnp, LLVMFunctionTypeKind), "%s", LLVMPrintTypeToString(fnp));
 
 		{
@@ -1235,13 +1270,8 @@ lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAndValue const
 			}
 			args[args_count++] = arg0.value;
 
-
 			LLVMTypeRef types[1] = {lb_type(p->module, arg0.type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
-
-			res.value = LLVMBuildCall(p->builder, ip, args, cast(unsigned)args_count, "");
+			res.value = lb_call_intrinsic(p, name, args, cast(unsigned)args_count, types, gb_count_of(types));
 			return res;
 		}
 	case BuiltinProc_simd_reduce_min:
@@ -1274,15 +1304,11 @@ lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAndValue const
 			case BuiltinProc_simd_reduce_or:  name = "llvm.vector.reduce.or";  break;
 			case BuiltinProc_simd_reduce_xor: name = "llvm.vector.reduce.xor"; break;
 			}
-			LLVMTypeRef types[1] = {lb_type(p->module, arg0.type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-			LLVMValueRef args[1] = {};
-			args[0] = arg0.value;
+			LLVMTypeRef types[1] = { lb_type(p->module, arg0.type) };
+			LLVMValueRef args[1] = { arg0.value };
 
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 
@@ -1331,15 +1357,10 @@ lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAndValue const
 			case BuiltinProc_simd_nearest: name = "llvm.nearbyint"; break;
 			}
 
-			LLVMTypeRef types[1] = {lb_type(p->module, arg0.type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
+			LLVMTypeRef types[1] = { lb_type(p->module, arg0.type) };
+			LLVMValueRef args[1] = { arg0.value };
 
-			LLVMValueRef args[1] = {};
-			args[0] = arg0.value;
-
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 
@@ -1403,15 +1424,10 @@ lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAndValue const
 			}
 
 			LLVMTypeRef types[1] = {lb_type(p->module, arg0.type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-			LLVMValueRef args[2] = {};
-			args[0] = arg0.value;
-			args[1] = arg1.value;
+			LLVMValueRef args[2] = { arg0.value, arg1.value };
 
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 
@@ -1822,6 +1838,11 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			return lb_emit_matrix_flatten(p, m, tv.type);
 		}
 
+	case BuiltinProc_unreachable:
+		lb_emit_unreachable(p);
+		return {};
+
+
 	// "Intrinsics"
 
 	case BuiltinProc_alloca:
@@ -1869,11 +1890,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			case BuiltinProc_trap:       name = "llvm.trap";      break;
 			}
 
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s", name);
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, nullptr, 0);
-
-			LLVMBuildCall(p->builder, ip, nullptr, 0, "");
+			lb_call_intrinsic(p, name, nullptr, 0, nullptr, 0);
 			if (id == BuiltinProc_trap) {
 				LLVMBuildUnreachable(p->builder);
 			}
@@ -1893,11 +1910,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 				res.value = LLVMBuildCall2(p->builder, func_type, the_asm, nullptr, 0, "");
 			} else {
 				char const *name = "llvm.readcyclecounter";
-				unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-				GB_ASSERT_MSG(id != 0, "Unable to find %s", name);
-				LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, nullptr, 0);
-
-				res.value = LLVMBuildCall(p->builder, ip, nullptr, 0, "");
+				res.value = lb_call_intrinsic(p, name, nullptr, 0, nullptr, 0);
 			}
 			return res;
 		}
@@ -1952,16 +1965,11 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 				}
 			}
 			LLVMTypeRef types[1] = {lb_type(p->module, type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-			LLVMValueRef args[2] = {};
-			args[0] = x.value;
-			args[1] = y.value;
+			LLVMValueRef args[2] = { x.value, y.value };
 
 			lbValue res = {};
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 
 			if (is_type_tuple(main_type)) {
 				Type *res_type = nullptr;
@@ -1988,15 +1996,11 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 
 			char const *name = "llvm.sqrt";
 			LLVMTypeRef types[1] = {lb_type(p->module, type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-			LLVMValueRef args[1] = {};
-			args[0] = x.value;
+			LLVMValueRef args[1] = { x.value };
 
 			lbValue res = {};
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			res.type = type;
 			return res;
 		}
@@ -2011,17 +2015,11 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 
 			char const *name = "llvm.fma";
 			LLVMTypeRef types[1] = {lb_type(p->module, type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-			LLVMValueRef args[3] = {};
-			args[0] = x.value;
-			args[1] = y.value;
-			args[2] = z.value;
+			LLVMValueRef args[3] = { x.value, y.value, z.value };
 
 			lbValue res = {};
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			res.type = type;
 			return res;
 		}
@@ -2080,7 +2078,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 
 			lbValue res = {};
 			res.type = tv.type;
-			res.value = LLVMBuildGEP(p->builder, ptr.value, indices, gb_count_of(indices), "");
+			res.value = LLVMBuildGEP2(p->builder, lb_type(p->module, type_deref(tv.type)), ptr.value, indices, gb_count_of(indices), "");
 			return res;
 		}
 	case BuiltinProc_ptr_sub:
@@ -2089,7 +2087,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			lbValue ptr1 = lb_build_expr(p, ce->args[1]);
 
 			LLVMTypeRef type_int = lb_type(p->module, t_int);
-			LLVMValueRef diff = LLVMBuildPtrDiff(p->builder, ptr0.value, ptr1.value, "");
+			LLVMValueRef diff = LLVMBuildPtrDiff2(p->builder, lb_type(p->module, ptr0.type), ptr0.value, ptr1.value, "");
 			diff = LLVMBuildIntCast2(p->builder, diff, type_int, /*signed*/true, "");
 
 			lbValue res = {};
@@ -2140,7 +2138,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 	case BuiltinProc_atomic_load_explicit: {
 		lbValue dst = lb_build_expr(p, ce->args[0]);
 
-		LLVMValueRef instr = LLVMBuildLoad(p->builder, dst.value, "");
+		LLVMValueRef instr = LLVMBuildLoad2(p->builder,  lb_type(p->module, type_deref(dst.type)), dst.value, "");
 		switch (id) {
 		case BuiltinProc_non_temporal_load:
 			{
@@ -2314,18 +2312,14 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			GB_ASSERT(name != nullptr);
 
 			LLVMTypeRef types[1] = {lb_type(p->module, platform_type)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
-
 			lbValue res = {};
 
-			LLVMValueRef args[3] = {};
-			args[0] = x.value;
-			args[1] = y.value;
-			args[2] = scale.value;
+			LLVMValueRef args[3] = {
+					x.value,
+					y.value,
+					scale.value };
 
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			res.type = platform_type;
 			return lb_emit_conv(p, res, tv.type);
 		}
@@ -2339,17 +2333,10 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			char const *name = "llvm.expect";
 
 			LLVMTypeRef types[1] = {lb_type(p->module, t)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
-
 			lbValue res = {};
+			LLVMValueRef args[2] = { x.value, y.value };
 
-			LLVMValueRef args[2] = {};
-			args[0] = x.value;
-			args[1] = y.value;
-
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			res.type = t;
 			return lb_emit_conv(p, res, t);
 		}
@@ -2385,9 +2372,6 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			char const *name = "llvm.prefetch";
 
 			LLVMTypeRef types[1] = {lb_type(p->module, t_rawptr)};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
 			LLVMTypeRef llvm_i32 = lb_type(p->module, t_i32);
 			LLVMValueRef args[4] = {};
@@ -2397,7 +2381,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			args[3] = LLVMConstInt(llvm_i32, cache, false);
 
 			lbValue res = {};
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			res.type = nullptr;
 			return res;
 		}
@@ -2643,7 +2627,8 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 				isize len = gb_snprintf(name, max_len, "csbs$%x", id);
 				len -= 1;
 			}
-			LLVMValueRef global_data = LLVMAddGlobal(m->mod, LLVMTypeOf(array), name);
+			LLVMTypeRef type = LLVMTypeOf(array);
+			LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name);
 			LLVMSetInitializer(global_data, array);
 			LLVMSetLinkage(global_data, LLVMInternalLinkage);
 
@@ -2655,7 +2640,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			};
 			lbValue res = {};
 			res.type = tv.type;
-			res.value = LLVMBuildInBoundsGEP(p->builder, global_data, indices, gb_count_of(indices), "");
+			res.value = LLVMBuildInBoundsGEP2(p->builder, type, global_data, indices, gb_count_of(indices), "");
 			return res;
 
 		}
@@ -2666,9 +2651,6 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			LLVMTypeRef types[1] = {
 				lb_type(p->module, t_uintptr),
 			};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
 			LLVMValueRef args[2] = {};
 			args[0] = lb_emit_conv(p, lb_build_expr(p, ce->args[0]), t_uintptr).value;
@@ -2676,7 +2658,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 
 			lbValue res = {};
 			res.type = tv.type;
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 	case BuiltinProc_wasm_memory_size:
@@ -2685,16 +2667,13 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			LLVMTypeRef types[1] = {
 				lb_type(p->module, t_uintptr),
 			};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
 			LLVMValueRef args[1] = {};
 			args[0] = lb_emit_conv(p, lb_build_expr(p, ce->args[0]), t_uintptr).value;
 
 			lbValue res = {};
 			res.type = tv.type;
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 
@@ -2704,9 +2683,6 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			LLVMTypeRef types[1] = {
 				lb_type(p->module, t_u32),
 			};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, nullptr, 0); // types, gb_count_of(types));
 
 			Type *t_u32_ptr = alloc_type_pointer(t_u32);
 
@@ -2717,7 +2693,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 
 			lbValue res = {};
 			res.type = tv.type;
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 
@@ -2727,19 +2703,16 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 			LLVMTypeRef types[1] = {
 				lb_type(p->module, t_u32),
 			};
-			unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-			GB_ASSERT_MSG(id != 0, "Unable to find %s", name, LLVMPrintTypeToString(types[0]));
-			LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, nullptr, 0); // types, gb_count_of(types));
 
 			Type *t_u32_ptr = alloc_type_pointer(t_u32);
 
-			LLVMValueRef args[2] = {};
-			args[0] = lb_emit_conv(p, lb_build_expr(p, ce->args[0]), t_u32_ptr).value;
-			args[1] = lb_emit_conv(p, lb_build_expr(p, ce->args[1]), t_u32).value;
+			LLVMValueRef args[2] = {
+					lb_emit_conv(p, lb_build_expr(p, ce->args[0]), t_u32_ptr).value,
+					lb_emit_conv(p, lb_build_expr(p, ce->args[1]), t_u32).value };
 
 			lbValue res = {};
 			res.type = tv.type;
-			res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+			res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 			return res;
 		}
 
@@ -2748,7 +2721,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 		{
 			Type *param_types[2] = {t_u32, t_u32};
 			Type *type = alloc_type_proc_from_types(param_types, gb_count_of(param_types), tv.type, false, ProcCC_None);
-			LLVMTypeRef func_type = LLVMGetElementType(lb_type(p->module, type));
+			LLVMTypeRef func_type = lb_get_procedure_raw_type(p->module, type);
 			LLVMValueRef the_asm = llvm_get_inline_asm(
 				func_type,
 				str_lit("cpuid"),
@@ -2768,7 +2741,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 	case BuiltinProc_x86_xgetbv:
 		{
 			Type *type = alloc_type_proc_from_types(&t_u32, 1, tv.type, false, ProcCC_None);
-			LLVMTypeRef func_type = LLVMGetElementType(lb_type(p->module, type));
+			LLVMTypeRef func_type = lb_get_procedure_raw_type(p->module, type);
 			LLVMValueRef the_asm = llvm_get_inline_asm(
 				func_type,
 				str_lit("xgetbv"),
@@ -2832,10 +2805,6 @@ lbValue lb_build_call_expr(lbProcedure *p, Ast *expr) {
 	expr = unparen_expr(expr);
 	ast_node(ce, CallExpr, expr);
 
-	if (ce->sce_temp_data) {
-		return *(lbValue *)ce->sce_temp_data;
-	}
-
 	lbValue res = lb_build_call_expr_internal(p, expr);
 
 	if (ce->optional_ok_one) { // TODO(bill): Minor hack for #optional_ok procedures

src/llvm_backend_stmt.cpp

@@ -1210,8 +1210,8 @@ void lb_build_switch_stmt(lbProcedure *p, AstSwitchStmt *ss, Scope *scope) {
 	}
 
 	lb_emit_jump(p, done);
-	lb_close_scope(p, lbDeferExit_Default, done);
 	lb_start_block(p, done);
+	lb_close_scope(p, lbDeferExit_Default, done);
 }
 
 void lb_store_type_case_implicit(lbProcedure *p, Ast *clause, lbValue value) {
@@ -1253,7 +1253,6 @@ void lb_type_case_body(lbProcedure *p, Ast *label, Ast *clause, lbBlock *body, l
 	ast_node(cc, CaseClause, clause);
 
 	lb_push_target_list(p, label, done, nullptr, nullptr);
-	lb_open_scope(p, body->scope);
 	lb_build_stmt_list(p, cc->stmts);
 	lb_close_scope(p, lbDeferExit_Default, body);
 	lb_pop_target_list(p);
@@ -1263,6 +1262,7 @@ void lb_type_case_body(lbProcedure *p, Ast *label, Ast *clause, lbBlock *body, l
 
 void lb_build_type_switch_stmt(lbProcedure *p, AstTypeSwitchStmt *ss) {
 	lbModule *m = p->module;
+	lb_open_scope(p, ss->scope);
 
 	ast_node(as, AssignStmt, ss->tag);
 	GB_ASSERT(as->lhs.count == 1);
@@ -1321,6 +1321,7 @@ void lb_build_type_switch_stmt(lbProcedure *p, AstTypeSwitchStmt *ss) {
 	for_array(i, body->stmts) {
 		Ast *clause = body->stmts[i];
 		ast_node(cc, CaseClause, clause);
+		lb_open_scope(p, cc->scope);
 		if (cc->list.count == 0) {
 			lb_start_block(p, default_block);
 			lb_store_type_case_implicit(p, clause, parent_value);
@@ -1329,6 +1330,9 @@ void lb_build_type_switch_stmt(lbProcedure *p, AstTypeSwitchStmt *ss) {
 		}
 
 		lbBlock *body = lb_create_block(p, "typeswitch.body");
+		if (p->debug_info != nullptr) {
+			LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_ast(p, clause));
+		}
 		Type *case_type = nullptr;
 		for_array(type_index, cc->list) {
 			case_type = type_of_expr(cc->list[type_index]);
@@ -1375,6 +1379,7 @@ void lb_build_type_switch_stmt(lbProcedure *p, AstTypeSwitchStmt *ss) {
 
 	lb_emit_jump(p, done);
 	lb_start_block(p, done);
+	lb_close_scope(p, lbDeferExit_Default, done);
 }
 
 
@@ -1721,6 +1726,9 @@ void lb_build_for_stmt(lbProcedure *p, Ast *node) {
 	ast_node(fs, ForStmt, node);
 
 	lb_open_scope(p, fs->scope); // Open Scope here
+	if (p->debug_info != nullptr) {
+		LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_ast(p, node));
+	}
 
 	if (fs->init != nullptr) {
 	#if 1
@@ -1741,11 +1749,14 @@ void lb_build_for_stmt(lbProcedure *p, Ast *node) {
 		post = lb_create_block(p, "for.post");
 	}
 
-
 	lb_emit_jump(p, loop);
 	lb_start_block(p, loop);
 
 	if (loop != body) {
+		// right now the condition (all expressions) will not set it's debug location, so we will do it here
+		if (p->debug_info != nullptr) {
+			LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_ast(p, fs->cond));
+		}
 		lb_build_cond(p, fs->cond, body, done);
 		lb_start_block(p, body);
 	}
@@ -1753,10 +1764,12 @@ void lb_build_for_stmt(lbProcedure *p, Ast *node) {
 	lb_push_target_list(p, fs->label, done, post, nullptr);
 
 	lb_build_stmt(p, fs->body);
-	lb_close_scope(p, lbDeferExit_Default, nullptr);
 
 	lb_pop_target_list(p);
 
+	if (p->debug_info != nullptr) {
+		LLVMSetCurrentDebugLocation2(p->builder, lb_debug_end_location_from_ast(p, fs->body));
+	}
 	lb_emit_jump(p, post);
 
 	if (fs->post != nullptr) {
@@ -1766,6 +1779,7 @@ void lb_build_for_stmt(lbProcedure *p, Ast *node) {
 	}
 
 	lb_start_block(p, done);
+	lb_close_scope(p, lbDeferExit_Default, nullptr);
 }
 
 void lb_build_assign_stmt_array(lbProcedure *p, TokenKind op, lbAddr const &lhs, lbValue const &value) {
@@ -1971,14 +1985,9 @@ void lb_build_stmt(lbProcedure *p, Ast *node) {
 		}
 	}
 
-	LLVMMetadataRef prev_debug_location = nullptr;
 	if (p->debug_info != nullptr) {
-		prev_debug_location = LLVMGetCurrentDebugLocation2(p->builder);
 		LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_ast(p, node));
 	}
-	defer (if (prev_debug_location != nullptr) {
-		LLVMSetCurrentDebugLocation2(p->builder, prev_debug_location);
-	});
 
 	u16 prev_state_flags = p->state_flags;
 	defer (p->state_flags = prev_state_flags);
@@ -2073,7 +2082,8 @@ void lb_build_stmt(lbProcedure *p, Ast *node) {
 			lbAddr lval = {};
 			if (!is_blank_ident(name)) {
 				Entity *e = entity_of_node(name);
-				bool zero_init = true; // Always do it
+				// bool zero_init = true; // Always do it
+				bool zero_init = vd->values.count == 0;
 				lval = lb_add_local(p, e->type, e, zero_init);
 			}
 			array_add(&lvals, lval);

src/llvm_backend_type.cpp

@@ -57,6 +57,7 @@ lbValue lb_typeid(lbModule *m, Type *type) {
 	case Type_SimdVector:      kind = Typeid_Simd_Vector;      break;
 	case Type_RelativePointer: kind = Typeid_Relative_Pointer; break;
 	case Type_RelativeSlice:   kind = Typeid_Relative_Slice;   break;
+	case Type_SoaPointer:      kind = Typeid_SoaPointer;       break;
 	}
 
 	if (is_type_cstring(type)) {
@@ -97,34 +98,12 @@ lbValue lb_type_info(lbModule *m, Type *type) {
 	isize index = lb_type_info_index(m->info, type);
 	GB_ASSERT(index >= 0);
 
-	LLVMTypeRef it = lb_type(m, t_int);
-	LLVMValueRef indices[2] = {
-		LLVMConstInt(it, 0, false),
-		LLVMConstInt(it, index, true),
-	};
-
-	lbValue value = {};
-	value.value = LLVMConstGEP(lb_global_type_info_data_ptr(m).value, indices, gb_count_of(indices));
-	value.type = t_type_info_ptr;
-	return value;
+	lbValue data = lb_global_type_info_data_ptr(m);
+	return lb_emit_array_epi(m, data, index);
 }
 
-lbValue lb_get_type_info_ptr(lbModule *m, Type *type) {
-	GB_ASSERT(!build_context.disallow_rtti);
-
-	i32 index = cast(i32)lb_type_info_index(m->info, type);
-	GB_ASSERT(index >= 0);
-	// gb_printf_err("%d %s\n", index, type_to_string(type));
-
-	LLVMValueRef indices[2] = {
-		LLVMConstInt(lb_type(m, t_int), 0, false),
-		LLVMConstInt(lb_type(m, t_int), index, false),
-	};
-
-	lbValue res = {};
-	res.type = t_type_info_ptr;
-	res.value = LLVMConstGEP(lb_global_type_info_data_ptr(m).value, indices, cast(unsigned)gb_count_of(indices));
-	return res;
+LLVMTypeRef lb_get_procedure_raw_type(lbModule *m, Type *type) {
+	return lb_type_internal_for_procedures_raw(m, type);
 }
 
 
@@ -178,10 +157,10 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 
 		LLVMValueRef indices[2] = {llvm_zero(m), llvm_zero(m)};
 		LLVMValueRef values[2] = {
-			LLVMConstInBoundsGEP(lb_global_type_info_data_ptr(m).value, indices, gb_count_of(indices)),
+			LLVMConstInBoundsGEP2(lb_type(m, lb_global_type_info_data_entity->type), lb_global_type_info_data_ptr(m).value, indices, gb_count_of(indices)),
 			LLVMConstInt(lb_type(m, t_int), type->Array.count, true),
 		};
-		LLVMValueRef slice = llvm_const_named_struct_internal(llvm_addr_type(global_type_table), values, gb_count_of(values));
+		LLVMValueRef slice = llvm_const_named_struct_internal(lb_type(m, type_deref(global_type_table.type)), values, gb_count_of(values));
 
 		LLVMSetInitializer(global_type_table.value, slice);
 	}
@@ -260,7 +239,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 
 			LLVMValueRef vals[4] = {
 				lb_const_string(p->module, t->Named.type_name->token.string).value,
-				lb_get_type_info_ptr(m, t->Named.base).value,
+				lb_type_info(m, t->Named.base).value,
 				pkg_name,
 				loc.value
 			};
@@ -419,7 +398,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 
 		case Type_Pointer: {
 			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_pointer_ptr);
-			lbValue gep = lb_get_type_info_ptr(m, t->Pointer.elem);
+			lbValue gep = lb_type_info(m, t->Pointer.elem);
 
 			LLVMValueRef vals[1] = {
 				gep.value,
@@ -433,7 +412,21 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 		}
 		case Type_MultiPointer: {
 			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_multi_pointer_ptr);
-			lbValue gep = lb_get_type_info_ptr(m, t->MultiPointer.elem);
+			lbValue gep = lb_type_info(m, t->MultiPointer.elem);
+
+			LLVMValueRef vals[1] = {
+				gep.value,
+			};
+
+			lbValue res = {};
+			res.type = type_deref(tag.type);
+			res.value = llvm_const_named_struct(m, res.type, vals, gb_count_of(vals));
+			lb_emit_store(p, tag, res);
+			break;
+		}
+		case Type_SoaPointer: {
+			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_soa_pointer_ptr);
+			lbValue gep = lb_type_info(m, t->SoaPointer.elem);
 
 			LLVMValueRef vals[1] = {
 				gep.value,
@@ -450,7 +443,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			i64 ez = type_size_of(t->Array.elem);
 
 			LLVMValueRef vals[3] = {
-				lb_get_type_info_ptr(m, t->Array.elem).value,
+				lb_type_info(m, t->Array.elem).value,
 				lb_const_int(m, t_int, ez).value,
 				lb_const_int(m, t_int, t->Array.count).value,
 			};
@@ -465,8 +458,8 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_enumerated_array_ptr);
 
 			LLVMValueRef vals[7] = {
-				lb_get_type_info_ptr(m, t->EnumeratedArray.elem).value,
-				lb_get_type_info_ptr(m, t->EnumeratedArray.index).value,
+				lb_type_info(m, t->EnumeratedArray.elem).value,
+				lb_type_info(m, t->EnumeratedArray.index).value,
 				lb_const_int(m, t_int, type_size_of(t->EnumeratedArray.elem)).value,
 				lb_const_int(m, t_int, t->EnumeratedArray.count).value,
 
@@ -497,7 +490,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_dynamic_array_ptr);
 
 			LLVMValueRef vals[2] = {
-				lb_get_type_info_ptr(m, t->DynamicArray.elem).value,
+				lb_type_info(m, t->DynamicArray.elem).value,
 				lb_const_int(m, t_int, type_size_of(t->DynamicArray.elem)).value,
 			};
 
@@ -511,7 +504,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_slice_ptr);
 
 			LLVMValueRef vals[2] = {
-				lb_get_type_info_ptr(m, t->Slice.elem).value,
+				lb_type_info(m, t->Slice.elem).value,
 				lb_const_int(m, t_int, type_size_of(t->Slice.elem)).value,
 			};
 
@@ -527,10 +520,10 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			LLVMValueRef params = LLVMConstNull(lb_type(m, t_type_info_ptr));
 			LLVMValueRef results = LLVMConstNull(lb_type(m, t_type_info_ptr));
 			if (t->Proc.params != nullptr) {
-				params = lb_get_type_info_ptr(m, t->Proc.params).value;
+				params = lb_type_info(m, t->Proc.params).value;
 			}
 			if (t->Proc.results != nullptr) {
-				results = lb_get_type_info_ptr(m, t->Proc.results).value;
+				results = lb_type_info(m, t->Proc.results).value;
 			}
 
 			LLVMValueRef vals[4] = {
@@ -649,7 +642,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 				// NOTE(bill): Zeroth is nil so ignore it
 				for (isize variant_index = 0; variant_index < variant_count; variant_index++) {
 					Type *vt = t->Union.variants[variant_index];
-					lbValue tip = lb_get_type_info_ptr(m, vt);
+					lbValue tip = lb_type_info(m, vt);
 
 					lbValue index     = lb_const_int(m, t_int, variant_index);
 					lbValue type_info = lb_emit_ptr_offset(p, memory_types, index);
@@ -737,7 +730,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 				for (isize source_index = 0; source_index < count; source_index++) {
 					// TODO(bill): Order fields in source order not layout order
 					Entity *f = t->Struct.fields[source_index];
-					lbValue tip = lb_get_type_info_ptr(m, f->type);
+					lbValue tip = lb_type_info(m, f->type);
 					i64 foffset = 0;
 					if (!t->Struct.is_raw_union) {
 						GB_ASSERT(t->Struct.offsets != nullptr);
@@ -794,11 +787,11 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_map_ptr);
 			init_map_internal_types(t);
 			
-			lbValue gst = lb_get_type_info_ptr(m, t->Map.generated_struct_type);
+			lbValue gst = lb_type_info(m, t->Map.generated_struct_type);
 
 			LLVMValueRef vals[5] = {
-				lb_get_type_info_ptr(m, t->Map.key).value,
-				lb_get_type_info_ptr(m, t->Map.value).value,
+				lb_type_info(m, t->Map.key).value,
+				lb_type_info(m, t->Map.value).value,
 				gst.value,
 				lb_get_equal_proc_for_type(m, t->Map.key).value,
 				lb_get_hasher_proc_for_type(m, t->Map.key).value
@@ -819,13 +812,13 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 
 
 				LLVMValueRef vals[4] = {
-					lb_get_type_info_ptr(m, t->BitSet.elem).value,
+					lb_type_info(m, t->BitSet.elem).value,
 					LLVMConstNull(lb_type(m, t_type_info_ptr)),
 					lb_const_int(m, t_i64, t->BitSet.lower).value,
 					lb_const_int(m, t_i64, t->BitSet.upper).value,
 				};
 				if (t->BitSet.underlying != nullptr) {
-					vals[1] =lb_get_type_info_ptr(m, t->BitSet.underlying).value;
+					vals[1] =lb_type_info(m, t->BitSet.underlying).value;
 				}
 
 				lbValue res = {};
@@ -841,7 +834,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 
 				LLVMValueRef vals[3] = {};
 
-				vals[0] = lb_get_type_info_ptr(m, t->SimdVector.elem).value;
+				vals[0] = lb_type_info(m, t->SimdVector.elem).value;
 				vals[1] = lb_const_int(m, t_int, type_size_of(t->SimdVector.elem)).value;
 				vals[2] = lb_const_int(m, t_int, t->SimdVector.count).value;
 
@@ -856,8 +849,8 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			{
 				tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_relative_pointer_ptr);
 				LLVMValueRef vals[2] = {
-					lb_get_type_info_ptr(m, t->RelativePointer.pointer_type).value,
-					lb_get_type_info_ptr(m, t->RelativePointer.base_integer).value,
+					lb_type_info(m, t->RelativePointer.pointer_type).value,
+					lb_type_info(m, t->RelativePointer.base_integer).value,
 				};
 
 				lbValue res = {};
@@ -870,8 +863,8 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 			{
 				tag = lb_const_ptr_cast(m, variant_ptr, t_type_info_relative_slice_ptr);
 				LLVMValueRef vals[2] = {
-					lb_get_type_info_ptr(m, t->RelativeSlice.slice_type).value,
-					lb_get_type_info_ptr(m, t->RelativeSlice.base_integer).value,
+					lb_type_info(m, t->RelativeSlice.slice_type).value,
+					lb_type_info(m, t->RelativeSlice.base_integer).value,
 				};
 
 				lbValue res = {};
@@ -886,7 +879,7 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
 				i64 ez = type_size_of(t->Matrix.elem);
 
 				LLVMValueRef vals[5] = {
-					lb_get_type_info_ptr(m, t->Matrix.elem).value,
+					lb_type_info(m, t->Matrix.elem).value,
 					lb_const_int(m, t_int, ez).value,
 					lb_const_int(m, t_int, matrix_type_stride_in_elems(t)).value,
 					lb_const_int(m, t_int, t->Matrix.row_count).value,

src/llvm_backend_utility.cpp

@@ -1,3 +1,5 @@
+lbValue lb_lookup_runtime_procedure(lbModule *m, String const &name);
+
 bool lb_is_type_aggregate(Type *t) {
 	t = base_type(t);
 	switch (t->kind) {
@@ -37,6 +39,12 @@ bool lb_is_type_aggregate(Type *t) {
 	return false;
 }
 
+void lb_emit_unreachable(lbProcedure *p) {
+	LLVMValueRef instr = LLVMGetLastInstruction(p->curr_block->block);
+	if (instr == nullptr || !lb_is_instr_terminating(instr)) {
+		LLVMBuildUnreachable(p->builder);
+	}
+}
 
 lbValue lb_correct_endianness(lbProcedure *p, lbValue value) {
 	Type *src = core_type(value.type);
@@ -48,18 +56,19 @@ lbValue lb_correct_endianness(lbProcedure *p, lbValue value) {
 	return value;
 }
 
-void lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef ptr, LLVMValueRef len, unsigned alignment, bool is_volatile) {
+LLVMValueRef lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef ptr, LLVMValueRef len, unsigned alignment, bool is_volatile) {
 	bool is_inlinable = false;
 
 	i64 const_len = 0;
 	if (LLVMIsConstant(len)) {
 		const_len = cast(i64)LLVMConstIntGetSExtValue(len);
 		// TODO(bill): Determine when it is better to do the `*.inline` versions
-		if (const_len <= 4*build_context.word_size) {
+		if (const_len <= lb_max_zero_init_size()) {
 			is_inlinable = true;
 		}
 	}
 
+
 	char const *name = "llvm.memset";
 	if (is_inlinable) {
 		name = "llvm.memset.inline";
@@ -69,17 +78,28 @@ void lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef ptr, LLVMValueRef len
 		lb_type(p->module, t_rawptr),
 		lb_type(p->module, t_int)
 	};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s.%s", name, LLVMPrintTypeToString(types[0]), LLVMPrintTypeToString(types[1]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
+	if (true || is_inlinable) {
 
-	LLVMValueRef args[4] = {};
-	args[0] = LLVMBuildPointerCast(p->builder, ptr, types[0], "");
-	args[1] = LLVMConstInt(LLVMInt8TypeInContext(p->module->ctx), 0, false);
-	args[2] = LLVMBuildIntCast2(p->builder, len, types[1], /*signed*/false, "");
-	args[3] = LLVMConstInt(LLVMInt1TypeInContext(p->module->ctx), is_volatile, false);
+		LLVMValueRef args[4] = {};
+		args[0] = LLVMBuildPointerCast(p->builder, ptr, types[0], "");
+		args[1] = LLVMConstInt(LLVMInt8TypeInContext(p->module->ctx), 0, false);
+		args[2] = LLVMBuildIntCast2(p->builder, len, types[1], /*signed*/false, "");
+		args[3] = LLVMConstInt(LLVMInt1TypeInContext(p->module->ctx), is_volatile, false);
+
+		return lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
+	} else {
+		lbValue pr = lb_lookup_runtime_procedure(p->module, str_lit("memset"));
+
+		LLVMValueRef args[3] = {};
+		args[0] = LLVMBuildPointerCast(p->builder, ptr, types[0], "");
+		args[1] = LLVMConstInt(LLVMInt32TypeInContext(p->module->ctx), 0, false);
+		args[2] = LLVMBuildIntCast2(p->builder, len, types[1], /*signed*/false, "");
+
+		// We always get the function pointer type rather than the function and there is apparently no way around that?
+		LLVMTypeRef type = lb_type_internal_for_procedures_raw(p->module, pr.type);
+		return LLVMBuildCall2(p->builder, type, pr.value, args, gb_count_of(args), "");
+	}
 
-	LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
 }
 
 void lb_mem_zero_ptr(lbProcedure *p, LLVMValueRef ptr, Type *type, unsigned alignment) {
@@ -335,40 +355,57 @@ lbValue lb_emit_or_else(lbProcedure *p, Ast *arg, Ast *else_expr, TypeAndValue c
 	lbValue rhs = {};
 	lb_emit_try_lhs_rhs(p, arg, tv, &lhs, &rhs);
 
-	LLVMValueRef incoming_values[2] = {};
-	LLVMBasicBlockRef incoming_blocks[2] = {};
-
 	GB_ASSERT(else_expr != nullptr);
-	lbBlock *then  = lb_create_block(p, "or_else.then");
-	lbBlock *done  = lb_create_block(p, "or_else.done"); // NOTE(bill): Append later
-	lbBlock *else_ = lb_create_block(p, "or_else.else");
-
-	lb_emit_if(p, lb_emit_try_has_value(p, rhs), then, else_);
-	lb_start_block(p, then);
 
 	Type *type = default_type(tv.type);
 
-	incoming_values[0] = lb_emit_conv(p, lhs, type).value;
+	if (is_diverging_expr(else_expr)) {
+		lbBlock *then  = lb_create_block(p, "or_else.then");
+		lbBlock *else_ = lb_create_block(p, "or_else.else");
 
-	lb_emit_jump(p, done);
-	lb_start_block(p, else_);
+		lb_emit_if(p, lb_emit_try_has_value(p, rhs), then, else_);
+		// NOTE(bill): else block needs to be straight afterwards to make sure that the actual value is used
+		// from the then block
+		lb_start_block(p, else_);
 
-	incoming_values[1] = lb_emit_conv(p, lb_build_expr(p, else_expr), type).value;
+		lb_build_expr(p, else_expr);
+		lb_emit_unreachable(p); // add just in case
 
-	lb_emit_jump(p, done);
-	lb_start_block(p, done);
+		lb_start_block(p, then);
+		return lb_emit_conv(p, lhs, type);
+	} else {
+		LLVMValueRef incoming_values[2] = {};
+		LLVMBasicBlockRef incoming_blocks[2] = {};
 
-	lbValue res = {};
-	res.value = LLVMBuildPhi(p->builder, lb_type(p->module, type), "");
-	res.type = type;
+		lbBlock *then  = lb_create_block(p, "or_else.then");
+		lbBlock *done  = lb_create_block(p, "or_else.done"); // NOTE(bill): Append later
+		lbBlock *else_ = lb_create_block(p, "or_else.else");
 
-	GB_ASSERT(p->curr_block->preds.count >= 2);
-	incoming_blocks[0] = p->curr_block->preds[0]->block;
-	incoming_blocks[1] = p->curr_block->preds[1]->block;
+		lb_emit_if(p, lb_emit_try_has_value(p, rhs), then, else_);
+		lb_start_block(p, then);
 
-	LLVMAddIncoming(res.value, incoming_values, incoming_blocks, 2);
+		incoming_values[0] = lb_emit_conv(p, lhs, type).value;
 
-	return res;
+		lb_emit_jump(p, done);
+		lb_start_block(p, else_);
+
+		incoming_values[1] = lb_emit_conv(p, lb_build_expr(p, else_expr), type).value;
+
+		lb_emit_jump(p, done);
+		lb_start_block(p, done);
+
+		lbValue res = {};
+		res.value = LLVMBuildPhi(p->builder, lb_type(p->module, type), "");
+		res.type = type;
+
+		GB_ASSERT(p->curr_block->preds.count >= 2);
+		incoming_blocks[0] = p->curr_block->preds[0]->block;
+		incoming_blocks[1] = p->curr_block->preds[1]->block;
+
+		LLVMAddIncoming(res.value, incoming_values, incoming_blocks, 2);
+
+		return res;
+	}
 }
 
 void lb_build_return_stmt(lbProcedure *p, Slice<Ast *> const &return_results);
@@ -445,15 +482,11 @@ lbValue lb_emit_byte_swap(lbProcedure *p, lbValue value, Type *end_type) {
 
 	char const *name = "llvm.bswap";
 	LLVMTypeRef types[1] = {lb_type(p->module, value.type)};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-	LLVMValueRef args[1] = {};
-	args[0] = value.value;
+	LLVMValueRef args[1] = { value.value };
 
 	lbValue res = {};
-	res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 	res.type = value.type;
 
 	if (is_type_float(original_type)) {
@@ -471,15 +504,10 @@ lbValue lb_emit_count_ones(lbProcedure *p, lbValue x, Type *type) {
 
 	char const *name = "llvm.ctpop";
 	LLVMTypeRef types[1] = {lb_type(p->module, type)};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
-
-	LLVMValueRef args[1] = {};
-	args[0] = x.value;
+	LLVMValueRef args[1] = { x.value };
 
 	lbValue res = {};
-	res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 	res.type = type;
 	return res;
 }
@@ -500,16 +528,13 @@ lbValue lb_emit_count_trailing_zeros(lbProcedure *p, lbValue x, Type *type) {
 
 	char const *name = "llvm.cttz";
 	LLVMTypeRef types[1] = {lb_type(p->module, type)};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-	LLVMValueRef args[2] = {};
-	args[0] = x.value;
-	args[1] = LLVMConstNull(LLVMInt1TypeInContext(p->module->ctx));
+	LLVMValueRef args[2] = {
+			x.value,
+			LLVMConstNull(LLVMInt1TypeInContext(p->module->ctx)) };
 
 	lbValue res = {};
-	res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 	res.type = type;
 	return res;
 }
@@ -519,16 +544,13 @@ lbValue lb_emit_count_leading_zeros(lbProcedure *p, lbValue x, Type *type) {
 
 	char const *name = "llvm.ctlz";
 	LLVMTypeRef types[1] = {lb_type(p->module, type)};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-	LLVMValueRef args[2] = {};
-	args[0] = x.value;
-	args[1] = LLVMConstNull(LLVMInt1TypeInContext(p->module->ctx));
+	LLVMValueRef args[2] = {
+			x.value,
+			LLVMConstNull(LLVMInt1TypeInContext(p->module->ctx)) };
 
 	lbValue res = {};
-	res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 	res.type = type;
 	return res;
 }
@@ -540,15 +562,11 @@ lbValue lb_emit_reverse_bits(lbProcedure *p, lbValue x, Type *type) {
 
 	char const *name = "llvm.bitreverse";
 	LLVMTypeRef types[1] = {lb_type(p->module, type)};
-	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-	GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0]));
-	LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
 
-	LLVMValueRef args[1] = {};
-	args[0] = x.value;
+	LLVMValueRef args[1] = { x.value };
 
 	lbValue res = {};
-	res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
+	res.value = lb_call_intrinsic(p, name, args, gb_count_of(args), types, gb_count_of(types));
 	res.type = type;
 	return res;
 }
@@ -969,6 +987,11 @@ lbValue lb_emit_struct_ep(lbProcedure *p, lbValue s, i32 index) {
 		case 0: result_type = t->RelativeSlice.base_integer; break;
 		case 1: result_type = t->RelativeSlice.base_integer; break;
 		}
+	} else if (is_type_soa_pointer(t)) {
+		switch (index) {
+		case 0: result_type = alloc_type_pointer(t->SoaPointer.elem); break;
+		case 1: result_type = t_int; break;
+		}
 	} else {
 		GB_PANIC("TODO(bill): struct_gep type: %s, %d", type_to_string(s.type), index);
 	}
@@ -979,15 +1002,16 @@ lbValue lb_emit_struct_ep(lbProcedure *p, lbValue s, i32 index) {
 	index = lb_convert_struct_index(p->module, t, index);
 	
 	if (lb_is_const(s)) {
+		// NOTE(bill): this cannot be replaced with lb_emit_epi
 		lbModule *m = p->module;
 		lbValue res = {};
 		LLVMValueRef indices[2] = {llvm_zero(m), LLVMConstInt(lb_type(m, t_i32), index, false)};
-		res.value = LLVMConstGEP(s.value, indices, gb_count_of(indices));
+		res.value = LLVMConstGEP2(lb_type(m, type_deref(s.type)), s.value, indices, gb_count_of(indices));
 		res.type = alloc_type_pointer(result_type);
 		return res;
 	} else {
 		lbValue res = {};
-		LLVMTypeRef st = LLVMGetElementType(LLVMTypeOf(s.value));
+		LLVMTypeRef st = lb_type(p->module, type_deref(s.type));
 		// gb_printf_err("%s\n", type_to_string(s.type));
 		// gb_printf_err("%s\n", LLVMPrintTypeToString(LLVMTypeOf(s.value)));
 		// gb_printf_err("%d\n", index);
@@ -995,7 +1019,7 @@ lbValue lb_emit_struct_ep(lbProcedure *p, lbValue s, i32 index) {
 		unsigned count = LLVMCountStructElementTypes(st);
 		GB_ASSERT_MSG(count >= cast(unsigned)index, "%u %d %d", count, index, original_index);
 		
-		res.value = LLVMBuildStructGEP(p->builder, s.value, cast(unsigned)index, "");
+		res.value = LLVMBuildStructGEP2(p->builder, st, s.value, cast(unsigned)index, "");
 		res.type = alloc_type_pointer(result_type);
 		return res;
 	}
@@ -1099,6 +1123,13 @@ lbValue lb_emit_struct_ev(lbProcedure *p, lbValue s, i32 index) {
 		result_type = t->Array.elem;
 		break;
 
+	case Type_SoaPointer:
+		switch (index) {
+		case 0: result_type = alloc_type_pointer(t->SoaPointer.elem); break;
+		case 1: result_type = t_int; break;
+		}
+		break;
+
 	default:
 		GB_PANIC("TODO(bill): struct_ev type: %s, %d", type_to_string(s.type), index);
 		break;
@@ -1126,7 +1157,28 @@ lbValue lb_emit_deep_field_gep(lbProcedure *p, lbValue e, Selection sel) {
 		}
 		type = core_type(type);
 
-		if (is_type_quaternion(type)) {
+		if (type->kind == Type_SoaPointer) {
+			lbValue addr = lb_emit_struct_ep(p, e, 0);
+			lbValue index = lb_emit_struct_ep(p, e, 1);
+			addr = lb_emit_load(p, addr);
+			index = lb_emit_load(p, index);
+
+			i32 first_index = sel.index[0];
+			Selection sub_sel = sel;
+			sub_sel.index.data += 1;
+			sub_sel.index.count -= 1;
+
+			lbValue arr = lb_emit_struct_ep(p, addr, first_index);
+
+			Type *t = base_type(type_deref(addr.type));
+			GB_ASSERT(is_type_soa_struct(t));
+
+			if (t->Struct.soa_kind == StructSoa_Fixed) {
+				e = lb_emit_array_ep(p, arr, index);
+			} else {
+				e = lb_emit_ptr_offset(p, lb_emit_load(p, arr), index);
+			}
+		} else if (is_type_quaternion(type)) {
 			e = lb_emit_struct_ep(p, e, index);
 		} else if (is_type_raw_union(type)) {
 			type = get_struct_field_type(type, index);
@@ -1201,7 +1253,12 @@ lbValue lb_emit_array_ep(lbProcedure *p, lbValue s, lbValue index) {
 
 	Type *ptr = base_array_type(st);
 	lbValue res = {};
-	res.value = LLVMBuildGEP(p->builder, s.value, indices, 2, "");
+
+	if (LLVMIsConstant(s.value) && LLVMIsConstant(index.value)) {
+		res.value = LLVMConstGEP2(lb_type(p->module, st), s.value, indices, gb_count_of(indices));
+	} else {
+		res.value = LLVMBuildGEP2(p->builder, lb_type(p->module, st), s.value, indices, gb_count_of(indices), "");
+	}
 	res.type = alloc_type_pointer(ptr);
 	return res;
 }
@@ -1211,24 +1268,16 @@ lbValue lb_emit_array_epi(lbProcedure *p, lbValue s, isize index) {
 	GB_ASSERT(is_type_pointer(t));
 	Type *st = base_type(type_deref(t));
 	GB_ASSERT_MSG(is_type_array(st) || is_type_enumerated_array(st) || is_type_matrix(st), "%s", type_to_string(st));
-
 	GB_ASSERT(0 <= index);
-	Type *ptr = base_array_type(st);
-
-
-	LLVMValueRef indices[2] = {
-		LLVMConstInt(lb_type(p->module, t_int), 0, false),
-		LLVMConstInt(lb_type(p->module, t_int), cast(unsigned)index, false),
-	};
-
-	lbValue res = {};
-	if (lb_is_const(s)) {
-		res.value = LLVMConstGEP(s.value, indices, gb_count_of(indices));
-	} else {
-		res.value = LLVMBuildGEP(p->builder, s.value, indices, gb_count_of(indices), "");
-	}
-	res.type = alloc_type_pointer(ptr);
-	return res;
+	return lb_emit_epi(p, s, index);
+}
+lbValue lb_emit_array_epi(lbModule *m, lbValue s, isize index) {
+	Type *t = s.type;
+	GB_ASSERT(is_type_pointer(t));
+	Type *st = base_type(type_deref(t));
+	GB_ASSERT_MSG(is_type_array(st) || is_type_enumerated_array(st) || is_type_matrix(st), "%s", type_to_string(st));
+	GB_ASSERT(0 <= index);
+	return lb_emit_epi(m, s, index);
 }
 
 lbValue lb_emit_ptr_offset(lbProcedure *p, lbValue ptr, lbValue index) {
@@ -1236,11 +1285,12 @@ lbValue lb_emit_ptr_offset(lbProcedure *p, lbValue ptr, lbValue index) {
 	LLVMValueRef indices[1] = {index.value};
 	lbValue res = {};
 	res.type = ptr.type;
+	LLVMTypeRef type = lb_type(p->module, type_deref(ptr.type));
 
 	if (lb_is_const(ptr) && lb_is_const(index)) {
-		res.value = LLVMConstGEP(ptr.value, indices, 1);
+		res.value = LLVMConstGEP2(type, ptr.value, indices, 1);
 	} else {
-		res.value = LLVMBuildGEP(p->builder, ptr.value, indices, 1, "");
+		res.value = LLVMBuildGEP2(p->builder, type, ptr.value, indices, 1, "");
 	}
 	return res;
 }
@@ -1249,63 +1299,18 @@ lbValue lb_emit_matrix_epi(lbProcedure *p, lbValue s, isize row, isize column) {
 	Type *t = s.type;
 	GB_ASSERT(is_type_pointer(t));
 	Type *mt = base_type(type_deref(t));
-	
-	Type *ptr = base_array_type(mt);
-	
 	if (column == 0) {
 		GB_ASSERT_MSG(is_type_matrix(mt) || is_type_array_like(mt), "%s", type_to_string(mt));
-		
-		LLVMValueRef indices[2] = {
-			LLVMConstInt(lb_type(p->module, t_int), 0, false),
-			LLVMConstInt(lb_type(p->module, t_int), cast(unsigned)row, false),
-		};
-		
-		lbValue res = {};
-		if (lb_is_const(s)) {
-			res.value = LLVMConstGEP(s.value, indices, gb_count_of(indices));
-		} else {
-			res.value = LLVMBuildGEP(p->builder, s.value, indices, gb_count_of(indices), "");
-		}
-		
-		Type *ptr = base_array_type(mt);
-		res.type = alloc_type_pointer(ptr);
-		return res;
+		return lb_emit_epi(p, s, row);
 	} else if (row == 0 && is_type_array_like(mt)) {
-		LLVMValueRef indices[2] = {
-			LLVMConstInt(lb_type(p->module, t_int), 0, false),
-			LLVMConstInt(lb_type(p->module, t_int), cast(unsigned)column, false),
-		};
-		
-		lbValue res = {};
-		if (lb_is_const(s)) {
-			res.value = LLVMConstGEP(s.value, indices, gb_count_of(indices));
-		} else {
-			res.value = LLVMBuildGEP(p->builder, s.value, indices, gb_count_of(indices), "");
-		}
-		
-		Type *ptr = base_array_type(mt);
-		res.type = alloc_type_pointer(ptr);
-		return res;
+		return lb_emit_epi(p, s, column);
 	}
 	
 	
 	GB_ASSERT_MSG(is_type_matrix(mt), "%s", type_to_string(mt));
 	
 	isize offset = matrix_indices_to_offset(mt, row, column);
-
-	LLVMValueRef indices[2] = {
-		LLVMConstInt(lb_type(p->module, t_int), 0, false),
-		LLVMConstInt(lb_type(p->module, t_int), cast(unsigned)offset, false),
-	};
-
-	lbValue res = {};
-	if (lb_is_const(s)) {
-		res.value = LLVMConstGEP(s.value, indices, gb_count_of(indices));
-	} else {
-		res.value = LLVMBuildGEP(p->builder, s.value, indices, gb_count_of(indices), "");
-	}
-	res.type = alloc_type_pointer(ptr);
-	return res;
+	return lb_emit_epi(p, s, offset);
 }
 
 lbValue lb_emit_matrix_ep(lbProcedure *p, lbValue s, lbValue row, lbValue column) {
@@ -1328,11 +1333,12 @@ lbValue lb_emit_matrix_ep(lbProcedure *p, lbValue s, lbValue row, lbValue column
 		index,
 	};
 
+	LLVMTypeRef type = lb_type(p->module, mt);
 	lbValue res = {};
 	if (lb_is_const(s)) {
-		res.value = LLVMConstGEP(s.value, indices, gb_count_of(indices));
+		res.value = LLVMConstGEP2(type, s.value, indices, gb_count_of(indices));
 	} else {
-		res.value = LLVMBuildGEP(p->builder, s.value, indices, gb_count_of(indices), "");
+		res.value = LLVMBuildGEP2(p->builder, type, s.value, indices, gb_count_of(indices), "");
 	}
 	res.type = alloc_type_pointer(ptr);
 	return res;
@@ -1536,18 +1542,12 @@ lbValue lb_emit_mul_add(lbProcedure *p, lbValue a, lbValue b, lbValue c, Type *t
 
 	if (is_possible) {
 		char const *name = "llvm.fma";
-		unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-		GB_ASSERT_MSG(id != 0, "Unable to find %s", name);
-		
-		LLVMTypeRef types[1] = {};
-		types[0] = lb_type(m, t);
-		
-		LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, types, gb_count_of(types));
-		LLVMValueRef values[3] = {};
-		values[0] = a.value;
-		values[1] = b.value;
-		values[2] = c.value;
-		LLVMValueRef call = LLVMBuildCall(p->builder, ip, values, gb_count_of(values), "");
+		LLVMTypeRef types[1] = { lb_type(m, t) };
+		LLVMValueRef values[3] = {
+				a.value,
+				b.value,
+				c.value };
+		LLVMValueRef call = lb_call_intrinsic(p, name, values, gb_count_of(values), types, gb_count_of(types));
 		return {call, t};
 	} else {
 		lbValue x = lb_emit_arith(p, Token_Mul, a, b, t);
@@ -1646,7 +1646,7 @@ LLVMValueRef llvm_vector_expand_to_power_of_two(lbProcedure *p, LLVMValueRef val
 LLVMValueRef llvm_vector_reduce_add(lbProcedure *p, LLVMValueRef value) {
 	LLVMTypeRef type = LLVMTypeOf(value);
 	GB_ASSERT(LLVMGetTypeKind(type) == LLVMVectorTypeKind);
-	LLVMTypeRef elem = LLVMGetElementType(type);
+	LLVMTypeRef elem = OdinLLVMGetVectorElementType(type);
 	unsigned len = LLVMGetVectorSize(type);
 	if (len == 0) {
 		return LLVMConstNull(type);
@@ -1676,15 +1676,9 @@ LLVMValueRef llvm_vector_reduce_add(lbProcedure *p, LLVMValueRef value) {
 
 	unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
 	if (id != 0 && false) {
-		LLVMTypeRef types[1] = {};
-		types[0] = type;
-		
-		LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
-		LLVMValueRef values[2] = {};
-		values[0] = LLVMConstNull(elem);
-		values[1] = value;
-		LLVMValueRef call = LLVMBuildCall(p->builder, ip, values+value_offset, value_count, "");
-		return call;
+		LLVMTypeRef types[1] = { type };
+		LLVMValueRef values[2] = { LLVMConstNull(elem), value };
+		return lb_call_intrinsic(p, name, values + value_offset, value_count, types, gb_count_of(types));
 	}
 
 	// Manual reduce
@@ -1728,7 +1722,7 @@ LLVMValueRef llvm_vector_reduce_add(lbProcedure *p, LLVMValueRef value) {
 LLVMValueRef llvm_vector_add(lbProcedure *p, LLVMValueRef a, LLVMValueRef b) {
 	GB_ASSERT(LLVMTypeOf(a) == LLVMTypeOf(b));
 	
-	LLVMTypeRef elem = LLVMGetElementType(LLVMTypeOf(a));
+	LLVMTypeRef elem = OdinLLVMGetVectorElementType(LLVMTypeOf(a));
 	
 	if (LLVMGetTypeKind(elem) == LLVMIntegerTypeKind) {
 		return LLVMBuildAdd(p->builder, a, b, "");
@@ -1739,7 +1733,7 @@ LLVMValueRef llvm_vector_add(lbProcedure *p, LLVMValueRef a, LLVMValueRef b) {
 LLVMValueRef llvm_vector_mul(lbProcedure *p, LLVMValueRef a, LLVMValueRef b) {
 	GB_ASSERT(LLVMTypeOf(a) == LLVMTypeOf(b));
 	
-	LLVMTypeRef elem = LLVMGetElementType(LLVMTypeOf(a));
+	LLVMTypeRef elem = OdinLLVMGetVectorElementType(LLVMTypeOf(a));
 	
 	if (LLVMGetTypeKind(elem) == LLVMIntegerTypeKind) {
 		return LLVMBuildMul(p->builder, a, b, "");
@@ -1753,14 +1747,13 @@ LLVMValueRef llvm_vector_dot(lbProcedure *p, LLVMValueRef a, LLVMValueRef b) {
 }
 
 LLVMValueRef llvm_vector_mul_add(lbProcedure *p, LLVMValueRef a, LLVMValueRef b, LLVMValueRef c) {
-	lbModule *m = p->module;
-	
+
 	LLVMTypeRef t = LLVMTypeOf(a);
 	GB_ASSERT(t == LLVMTypeOf(b));
 	GB_ASSERT(t == LLVMTypeOf(c));
 	GB_ASSERT(LLVMGetTypeKind(t) == LLVMVectorTypeKind);
 	
-	LLVMTypeRef elem = LLVMGetElementType(t);
+	LLVMTypeRef elem = OdinLLVMGetVectorElementType(t);
 	
 	bool is_possible = false;
 	
@@ -1776,18 +1769,9 @@ LLVMValueRef llvm_vector_mul_add(lbProcedure *p, LLVMValueRef a, LLVMValueRef b,
 
 	if (is_possible) {
 		char const *name = "llvm.fmuladd";
-		unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
-		GB_ASSERT_MSG(id != 0, "Unable to find %s", name);
-		
-		LLVMTypeRef types[1] = {};
-		types[0] = t;
-		
-		LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, types, gb_count_of(types));
-		LLVMValueRef values[3] = {};
-		values[0] = a;
-		values[1] = b;
-		values[2] = c;
-		LLVMValueRef call = LLVMBuildCall(p->builder, ip, values, gb_count_of(values), "");
+		LLVMTypeRef types[1] = { t };
+		LLVMValueRef values[3] = { a, b, c};
+		LLVMValueRef call = lb_call_intrinsic(p, name, values, gb_count_of(values), types, gb_count_of(types));
 		return call;
 	} else {
 		LLVMValueRef x = llvm_vector_mul(p, a, b);
@@ -1802,7 +1786,7 @@ LLVMValueRef llvm_get_inline_asm(LLVMTypeRef func_type, String const &str, Strin
 		cast(char *)clobbers.text, cast(size_t)clobbers.len,
 		has_side_effects, is_align_stack,
 		dialect
-	#if LLVM_VERSION_MAJOR >= 13 
+	#if LLVM_VERSION_MAJOR >= 13
 		, /*CanThrow*/false
 	#endif
 	);
@@ -1842,8 +1826,6 @@ void lb_set_wasm_export_attributes(LLVMValueRef value, String export_name) {
 }
 
 
-lbValue lb_lookup_runtime_procedure(lbModule *m, String const &name);
-
 
 lbAddr lb_handle_objc_find_or_register_selector(lbProcedure *p, String const &name) {
 	lbAddr *found = string_map_get(&p->module->objc_selectors, name);

src/main.cpp

@@ -283,6 +283,9 @@ i32 linker_stage(lbGenerator *gen) {
 			String vs_exe_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_VS_EXE]);
 			defer (gb_free(heap_allocator(), vs_exe_path.text));
 
+			String windows_sdk_bin_path = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_Win_SDK_Bin_Path]);
+			defer (gb_free(heap_allocator(), windows_sdk_bin_path.text));
+
 			char const *subsystem_str = build_context.use_subsystem_windows ? "WINDOWS" : "CONSOLE";
 			if (!build_context.use_lld) { // msvc
 				if (build_context.has_resource) {
@@ -292,7 +295,8 @@ i32 linker_stage(lbGenerator *gen) {
 					defer (gb_free(heap_allocator(), res_path.text));
 
 					result = system_exec_command_line_app("msvc-link",
-						"\"rc.exe\" /nologo /fo \"%.*s\" \"%.*s\"",
+						"\"%.*src.exe\" /nologo /fo \"%.*s\" \"%.*s\"",
+						LIT(windows_sdk_bin_path),
 						LIT(res_path),
 						LIT(rc_path)
 					);
@@ -463,8 +467,15 @@ i32 linker_stage(lbGenerator *gen) {
 				// correctly this way since all the other dependencies provided implicitly
 				// by the compiler frontend are still needed and most of the command
 				// line arguments prepared previously are incompatible with ld.
-				link_settings = gb_string_appendc(link_settings, "-Wl,-init,'_odin_entry_point' ");
-				link_settings = gb_string_appendc(link_settings, "-Wl,-fini,'_odin_exit_point' ");
+				if (build_context.metrics.os == TargetOs_darwin) {
+					link_settings = gb_string_appendc(link_settings, "-Wl,-init,'__odin_entry_point' ");
+					// NOTE(weshardee): __odin_exit_point should also be added, but -fini 
+					// does not exist on MacOS
+				} else {
+					link_settings = gb_string_appendc(link_settings, "-Wl,-init,'_odin_entry_point' ");
+					link_settings = gb_string_appendc(link_settings, "-Wl,-fini,'_odin_exit_point' ");
+				}
+				
 			} else if (build_context.metrics.os != TargetOs_openbsd) {
 				// OpenBSD defaults to PIE executable. do not pass -no-pie for it.
 				link_settings = gb_string_appendc(link_settings, "-no-pie ");
@@ -1551,7 +1562,7 @@ bool parse_build_flags(Array<String> args) {
 									bad_flags = true;
 									break;
 								}
-								build_context.resource_filepath = substring(path, 0, string_extension_position(path));
+								build_context.resource_filepath = path;
 								build_context.has_resource = true;
 							} else {
 								gb_printf_err("Invalid -resource path, got %.*s\n", LIT(path));

src/microsoft_craziness.h

@@ -50,18 +50,7 @@ gb_global gbAllocator mc_allocator = heap_allocator();
 struct Find_Result {
 	int windows_sdk_version;   // Zero if no Windows SDK found.
 
-	wchar_t const *windows_sdk_root;
-	wchar_t const *windows_sdk_um_library_path;
-	wchar_t const *windows_sdk_ucrt_library_path;
-
-	wchar_t const *vs_exe_path;
-	wchar_t const *vs_library_path;
-};
-
-struct Find_Result_Utf8 {
-	int windows_sdk_version;   // Zero if no Windows SDK found.
-
-	String windows_sdk_root;
+	String windows_sdk_bin_path;
 	String windows_sdk_um_library_path;
 	String windows_sdk_ucrt_library_path;
 
@@ -69,8 +58,6 @@ struct Find_Result_Utf8 {
 	String vs_library_path;
 };
 
-Find_Result_Utf8 find_visual_studio_and_windows_sdk_utf8();
-
 String mc_wstring_to_string(wchar_t const *str) {
 	return string16_to_string(mc_allocator, make_string16_c(str));
 }
@@ -87,6 +74,10 @@ String mc_concat(String a, String b, String c) {
 	return concatenate3_strings(mc_allocator, a, b, c);
 }
 
+String mc_concat(String a, String b, String c, String d) {
+	return concatenate4_strings(mc_allocator, a, b, c, d);
+}
+
 String mc_get_env(String key) {
 	char const * value = gb_get_env((char const *)key.text, mc_allocator);
 	return make_string_c(value);
@@ -219,19 +210,19 @@ struct DECLSPEC_UUID("42843719-DB4C-46C2-8E7C-64F1816EFD5B") DECLSPEC_NOVTABLE I
 
 
 // The beginning of the actual code that does things.
-struct Version_Data_Utf8 {
-	i32 best_version[4];  // For Windows 8 versions, only two of these numbers are used.
+struct Version_Data {
+	i32 best_version[4];
 	String best_name;
 };
 
-typedef void (*MC_Visit_Proc)(String short_name, String full_name, Version_Data_Utf8 *data);
-bool mc_visit_files(String dir_name, Version_Data_Utf8 *data, MC_Visit_Proc proc) {
+typedef void (*MC_Visit_Proc)(String short_name, String full_name, Version_Data *data);
+bool mc_visit_files(String dir_name, Version_Data *data, MC_Visit_Proc proc) {
 
 	// Visit everything in one folder (non-recursively). If it's a directory
 	// that doesn't start with ".", call the visit proc on it. The visit proc
 	// will see if the filename conforms to the expected versioning pattern.
 
-	String wildcard_name = mc_concat(dir_name, str_lit("\\*"));
+	String wildcard_name = mc_concat(dir_name, str_lit("*"));
 	defer (mc_free(wildcard_name));
 
 	MC_Find_Data find_data;
@@ -242,7 +233,7 @@ bool mc_visit_files(String dir_name, Version_Data_Utf8 *data, MC_Visit_Proc proc
 	bool success = true;
 	while (success) {
 		if ((find_data.file_attributes & FILE_ATTRIBUTE_DIRECTORY) && (find_data.filename[0] != '.')) {
-			String full_name = mc_concat(dir_name, str_lit("\\"), find_data.filename);
+			String full_name = mc_concat(dir_name, find_data.filename);
 			defer (mc_free(full_name));
 
 			proc(find_data.filename, full_name, data);
@@ -284,7 +275,7 @@ String find_windows_kit_root(HKEY key, String const version) {
 	return value;
 }
 
-void win10_best(String short_name, String full_name, Version_Data_Utf8 *data) {
+void win10_best(String short_name, String full_name, Version_Data *data) {
 	// Find the Windows 10 subdirectory with the highest version number.
 
 	int i0, i1, i2, i3;
@@ -304,11 +295,11 @@ void win10_best(String short_name, String full_name, Version_Data_Utf8 *data) {
 
 	// we have to copy_string and free here because visit_files free's the full_name string
 	// after we execute this function, so Win*_Data would contain an invalid pointer.
-	if (data->best_name.len > 0) mc_free(data->best_name);
+	if (data->best_name.len) mc_free(data->best_name);
 
 	data->best_name = copy_string(mc_allocator, full_name);
 
-	if (data->best_name.len > 0) {
+	if (data->best_name.len) {
 		data->best_version[0] = i0;
 		data->best_version[1] = i1;
 		data->best_version[2] = i2;
@@ -316,34 +307,8 @@ void win10_best(String short_name, String full_name, Version_Data_Utf8 *data) {
 	}
 }
 
-void win8_best(String short_name, String full_name, Version_Data_Utf8 *data) {
-	// Find the Windows 8 subdirectory with the highest version number.
-
-	int i0, i1;
-	auto success = sscanf_s((const char *const)short_name.text, "winv%d.%d", &i0, &i1);
-	if (success < 2) return;
-
-	if (i0 < data->best_version[0]) return;
-	else if (i0 == data->best_version[0]) {
-		if (i1 < data->best_version[1]) return;
-	}
-
-	// we have to copy_string and free here because visit_files free's the full_name string
-	// after we execute this function, so Win*_Data would contain an invalid pointer.
-	if (data->best_name.len > 0) mc_free(data->best_name);
-	data->best_name = copy_string(mc_allocator, full_name);
-
-	if (data->best_name.len > 0) {
-		data->best_version[0] = i0;
-		data->best_version[1] = i1;
-	}
-}
-
-void find_windows_kit_root(Find_Result_Utf8 *result) {
-	// Information about the Windows 10 and Windows 8 development kits
-	// is stored in the same place in the registry. We open a key
-	// to that place, first checking preferntially for a Windows 10 kit,
-	// then, if that's not found, a Windows 8 kit.
+void find_windows_kit_paths(Find_Result *result) {
+	bool sdk_found = false;
 
 	HKEY main_key;
 
@@ -355,44 +320,42 @@ void find_windows_kit_root(Find_Result_Utf8 *result) {
 	// Look for a Windows 10 entry.
 	String windows10_root = find_windows_kit_root(main_key, str_lit("KitsRoot10"));
 
-	if (windows10_root.len > 0) {
+	if (windows10_root.len) {
 		defer (mc_free(windows10_root));
 
-		String windows10_lib = mc_concat(windows10_root, str_lit("Lib"));
+		String windows10_lib = mc_concat(windows10_root, str_lit("Lib\\"));
+		Version_Data data_lib = {0};
+		mc_visit_files(windows10_lib, &data_lib, win10_best);
 		defer (mc_free(windows10_lib));
+		defer (mc_free(data_lib.best_name));
 
-		Version_Data_Utf8 data = {0};
-		mc_visit_files(windows10_lib, &data, win10_best);
-		if (data.best_name.len > 0) {
-			result->windows_sdk_version = 10;
-			result->windows_sdk_root    = mc_concat(data.best_name, str_lit("\\"));
-			return;
+		String windows10_bin = mc_concat(windows10_root, str_lit("bin\\"));
+		Version_Data data_bin = {0};
+		mc_visit_files(windows10_bin, &data_bin, win10_best);
+		defer (mc_free(windows10_bin));
+		defer (mc_free(data_bin.best_name));
+
+		if (data_lib.best_name.len && data_bin.best_name.len) {
+			if (build_context.metrics.arch == TargetArch_amd64) {
+				result->windows_sdk_um_library_path   = mc_concat(data_lib.best_name, str_lit("\\um\\x64\\"));
+				result->windows_sdk_ucrt_library_path = mc_concat(data_lib.best_name, str_lit("\\ucrt\\x64\\"));
+				result->windows_sdk_bin_path          = mc_concat(data_bin.best_name, str_lit("\\x64\\"));
+				sdk_found = true;
+			} else if (build_context.metrics.arch == TargetArch_i386) {
+				result->windows_sdk_um_library_path   = mc_concat(data_lib.best_name, str_lit("\\um\\x86\\"));
+				result->windows_sdk_ucrt_library_path = mc_concat(data_lib.best_name, str_lit("\\ucrt\\x86\\"));
+				result->windows_sdk_bin_path          = mc_concat(data_bin.best_name, str_lit("\\x86\\"));
+				sdk_found = true;
+			}
 		}
-		mc_free(data.best_name);
 	}
 
-	// Look for a Windows 8 entry.
-	String windows8_root = find_windows_kit_root(main_key, str_lit("KitsRoot81"));
-
-	if (windows8_root.len > 0) {
-		defer (mc_free(windows8_root));
-
-		String windows8_lib = mc_concat(windows8_root, str_lit("Lib"));
-		defer (mc_free(windows8_lib));
-
-		Version_Data_Utf8 data = {0};
-		mc_visit_files(windows8_lib, &data, win8_best);
-		if (data.best_name.len > 0) {
-			result->windows_sdk_version = 8;
-			result->windows_sdk_root    = mc_concat(data.best_name, str_lit("\\"));
-			return;
-		}
-		mc_free(data.best_name);
+	if (sdk_found) {
+		result->windows_sdk_version = 10;
 	}
-	// If we get here, we failed to find anything.
 }
 
-bool find_visual_studio_by_fighting_through_microsoft_craziness(Find_Result_Utf8 *result) {
+bool find_visual_studio_by_fighting_through_microsoft_craziness(Find_Result *result) {
 	// The name of this procedure is kind of cryptic. Its purpose is
 	// to fight through Microsoft craziness. The things that the fine
 	// Visual Studio team want you to do, JUST TO FIND A SINGLE FOLDER
@@ -555,54 +518,97 @@ bool find_visual_studio_by_fighting_through_microsoft_craziness(Find_Result_Utf8
 }
 
 // NOTE(WalterPlinge): Environment variables can help to find Visual C++ and WinSDK paths for both
-// official and portable installations (like mmozeiko's portable msvc script). This will only use
-// the first paths it finds, and won't overwrite any values that `result` already has.
-bool find_msvc_install_from_env_vars(Find_Result_Utf8 *result) {
+// official and portable installations (like mmozeiko's portable msvc script).
+void find_windows_kit_paths_from_env_vars(Find_Result *result) {
 	if (build_context.metrics.arch != TargetArch_amd64 && build_context.metrics.arch != TargetArch_i386) {
-		return false;
+		return;
 	}
 
-	// We can find windows sdk using the following combination of env vars:
-	// (UniversalCRTSdkDir or WindowsSdkDir) and (WindowsSDKLibVersion or WindowsSDKVersion)
-	bool sdk_found = false;
+	// We can find windows sdk lib dir using the following combination of env vars:
+	// (WindowsSdkDir or UniversalCRTSdkDir) and (WindowsSDKVersion or WindowsSDKLibVersion)
+	bool sdk_lib_found = false;
+
+	// We can find windows sdk bin dir using the following combination of env vars:
+	// (WindowsSdkVerBinPath) or ((WindowsSdkBinPath or WindowsSdkDir or UniversalCRTSdkDir) and (WindowsSDKVersion || WindowsSDKLibVersion))
+	bool sdk_bin_found = false;
 
 	// These appear to be suitable env vars used by Visual Studio
 	String win_sdk_ver_env = mc_get_env(str_lit("WindowsSDKVersion"));
-	String win_sdk_lib_env = mc_get_env(str_lit("WindowsSDKLibVersion"));
+	String win_sdk_lib_ver_env = mc_get_env(str_lit("WindowsSDKLibVersion"));
 	String win_sdk_dir_env = mc_get_env(str_lit("WindowsSdkDir"));
 	String crt_sdk_dir_env = mc_get_env(str_lit("UniversalCRTSdkDir"));
+	String win_sdk_bin_path_env = mc_get_env(str_lit("WindowsSdkBinPath"));
+	String win_sdk_ver_bin_path_env = mc_get_env(str_lit("WindowsSdkVerBinPath"));
 
 	defer ({
 		mc_free(win_sdk_ver_env);
-		mc_free(win_sdk_lib_env);
+		mc_free(win_sdk_lib_ver_env);
 		mc_free(win_sdk_dir_env);
 		mc_free(crt_sdk_dir_env);
+		mc_free(win_sdk_bin_path_env);
+		mc_free(win_sdk_ver_bin_path_env);
 	});
 
+	if (win_sdk_ver_bin_path_env.len || ((win_sdk_bin_path_env.len || win_sdk_dir_env.len || crt_sdk_dir_env.len) && (win_sdk_ver_env.len || win_sdk_lib_ver_env.len))) {
+		String bin;
+		defer (mc_free(bin));
+
+		if (win_sdk_ver_bin_path_env.len) {
+			String dir = win_sdk_ver_bin_path_env;
+
+			// Add trailing '\' in case it was missing
+			bin = mc_concat(dir, dir[dir.len - 1] != '\\' ? str_lit("\\") : str_lit(""));
+		} else {
+			String dir = win_sdk_bin_path_env.len ? win_sdk_bin_path_env : win_sdk_dir_env.len ? win_sdk_dir_env : crt_sdk_dir_env;
+			String ver = win_sdk_ver_env.len ? win_sdk_ver_env : win_sdk_lib_ver_env;
+
+			// Add trailing '\' in case it was missing
+			dir = mc_concat(dir, dir[dir.len - 1] != '\\' ? str_lit("\\") : str_lit(""));
+			ver = mc_concat(ver, ver[ver.len - 1] != '\\' ? str_lit("\\") : str_lit(""));
+			defer (mc_free(dir));
+			defer (mc_free(ver));
+
+			// Append "bin" for win_sdk_dir_env and crt_sdk_dir_env
+			String dir_bin = mc_concat(dir, win_sdk_bin_path_env.len ? str_lit("") : str_lit("bin\\"));
+			defer (mc_free(dir_bin));
+
+			bin = mc_concat(dir_bin, ver);
+		}
+
+		if (build_context.metrics.arch == TargetArch_amd64) {
+			result->windows_sdk_bin_path = mc_concat(bin, str_lit("x64\\"));
+			sdk_bin_found = true;
+		} else if (build_context.metrics.arch == TargetArch_i386) {
+			result->windows_sdk_bin_path = mc_concat(bin, str_lit("x86\\"));
+			sdk_bin_found = true;
+		} 
+	}
+
 	// NOTE(WalterPlinge): If any combination is found, let's just assume they are correct
-	if ((win_sdk_ver_env.len || win_sdk_lib_env.len) && (win_sdk_dir_env.len || crt_sdk_dir_env.len)) {
-		//? Maybe we need to handle missing '\' at end of strings, so far it doesn't seem an issue
+	if ((win_sdk_ver_env.len || win_sdk_lib_ver_env.len) && (win_sdk_dir_env.len || crt_sdk_dir_env.len)) {
 		String dir = win_sdk_dir_env.len ? win_sdk_dir_env : crt_sdk_dir_env;
-		String ver = win_sdk_ver_env.len ? win_sdk_ver_env : win_sdk_lib_env;
+		String ver = win_sdk_ver_env.len ? win_sdk_ver_env : win_sdk_lib_ver_env;
 
-		// These have trailing '\' as we are just composing the path
-		String um_dir = build_context.metrics.arch == TargetArch_amd64
-			? str_lit("um\\x64\\")
-			: str_lit("um\\x86\\");
-		String ucrt_dir = build_context.metrics.arch == TargetArch_amd64
-			? str_lit("ucrt\\x64\\")
-			: str_lit("ucrt\\x86\\");
+		// Add trailing '\' in case it was missing
+		dir = mc_concat(dir, dir[dir.len - 1] != '\\' ? str_lit("\\") : str_lit(""));
+		ver = mc_concat(ver, ver[ver.len - 1] != '\\' ? str_lit("\\") : str_lit(""));
+		defer (mc_free(dir));
+		defer (mc_free(ver));
 
-		result->windows_sdk_root              = mc_concat(dir, str_lit("Lib\\"), ver);
-		result->windows_sdk_um_library_path   = mc_concat(result->windows_sdk_root, um_dir);
-		result->windows_sdk_ucrt_library_path = mc_concat(result->windows_sdk_root, ucrt_dir);
-
-		sdk_found = true;
+		if (build_context.metrics.arch == TargetArch_amd64) {
+			result->windows_sdk_um_library_path   = mc_concat(dir, str_lit("Lib\\"), ver, str_lit("um\\x64\\"));
+			result->windows_sdk_ucrt_library_path = mc_concat(dir, str_lit("Lib\\"), ver, str_lit("ucrt\\x64\\"));
+			sdk_lib_found = true;
+		} else if (build_context.metrics.arch == TargetArch_i386) {
+			result->windows_sdk_um_library_path   = mc_concat(dir, str_lit("Lib\\"), ver, str_lit("um\\x86\\"));
+			result->windows_sdk_ucrt_library_path = mc_concat(dir, str_lit("Lib\\"), ver, str_lit("ucrt\\x86\\"));
+			sdk_lib_found = true;
+		}
 	}
 
 	// If we haven't found it yet, we can loop through LIB for specific folders
 	//? This may not be robust enough using `um\x64` and `ucrt\x64`
-	if (!sdk_found) {
+	if (!sdk_lib_found) {
 		String lib = mc_get_env(str_lit("LIB"));
 		defer (mc_free(lib));
 
@@ -624,72 +630,67 @@ bool find_msvc_install_from_env_vars(Find_Result_Utf8 *result) {
 					continue;
 				}
 				hi = c;
-				String dir = substring(lib, lo, hi);
 				defer (lo = hi + 1);
 
+				// Skip when there are two ;; in a row
+				if (lo == hi) {
+					continue;
+				}
+
+				String dir = substring(lib, lo, hi);
+
 				// Remove the last slash so we can match with the strings above
 				String end = dir[dir.len - 1] == '\\'
 					? substring(dir, 0, dir.len - 1)
 					: substring(dir, 0, dir.len);
 
-				// Find one and we can make the other
 				if (string_ends_with(end, um_dir)) {
-					result->windows_sdk_um_library_path   = mc_concat(end, str_lit("\\"));
-					break;
+					result->windows_sdk_um_library_path = mc_concat(end, str_lit("\\"));
 				} else if (string_ends_with(end, ucrt_dir)) {
 					result->windows_sdk_ucrt_library_path = mc_concat(end, str_lit("\\"));
+				}
+
+				if (result->windows_sdk_um_library_path.len && result->windows_sdk_ucrt_library_path.len) {
+					sdk_lib_found = true;
 					break;
 				}
 			}
-
-			// Get the root from the one we found, and make the other
-			// NOTE(WalterPlinge): we need to copy the string so that we don't risk a double free
-			if (result->windows_sdk_um_library_path.len > 0) {
-				String root = substring(result->windows_sdk_um_library_path, 0, result->windows_sdk_um_library_path.len - 1 - um_dir.len);
-				result->windows_sdk_root              = copy_string(mc_allocator, root);
-				result->windows_sdk_ucrt_library_path = mc_concat(result->windows_sdk_root, ucrt_dir, str_lit("\\"));
-			} else if (result->windows_sdk_ucrt_library_path.len > 0) {
-				String root = substring(result->windows_sdk_ucrt_library_path, 0, result->windows_sdk_ucrt_library_path.len - 1 - ucrt_dir.len);
-				result->windows_sdk_root              = copy_string(mc_allocator, root);
-				result->windows_sdk_um_library_path   = mc_concat(result->windows_sdk_root, um_dir, str_lit("\\"));
-			}
-
-			if (result->windows_sdk_root.len > 0) {
-				sdk_found = true;
-			}
 		}
 	}
 
 	// NOTE(WalterPlinge): So far this function assumes it will only be called if MSVC was
 	// installed using mmozeiko's portable msvc script, which uses the windows 10 sdk.
 	// This may need to be changed later if it ends up causing problems.
-	if (sdk_found && result->windows_sdk_version == 0) {
+	if (sdk_bin_found && sdk_lib_found) {
 		result->windows_sdk_version = 10;
 	}
+}
+
+// NOTE(WalterPlinge): Environment variables can help to find Visual C++ and WinSDK paths for both
+// official and portable installations (like mmozeiko's portable msvc script). This will only use
+// the first paths it finds, and won't overwrite any values that `result` already has.
+void find_visual_studio_paths_from_env_vars(Find_Result *result) {
+	if (build_context.metrics.arch != TargetArch_amd64 && build_context.metrics.arch != TargetArch_i386) {
+		return;
+	}
 
 	bool vs_found = false;
 
-	if (result->vs_exe_path.len > 0 && result->vs_library_path.len > 0) {
-		vs_found = true;
-	}
-
 	// We can find visual studio using VCToolsInstallDir
-	if (!vs_found) {
-		String vctid = mc_get_env(str_lit("VCToolsInstallDir"));
-		defer (mc_free(vctid));
+	String vctid = mc_get_env(str_lit("VCToolsInstallDir"));
+	defer (mc_free(vctid));
 
-		if (vctid.len) {
-			String exe = build_context.metrics.arch == TargetArch_amd64
-				? str_lit("bin\\Hostx64\\x64\\")
-				: str_lit("bin\\Hostx86\\x86\\");
-			String lib = build_context.metrics.arch == TargetArch_amd64
-				? str_lit("lib\\x64\\")
-				: str_lit("lib\\x86\\");
+	if (vctid.len) {
+		String exe = build_context.metrics.arch == TargetArch_amd64
+			? str_lit("bin\\Hostx64\\x64\\")
+			: str_lit("bin\\Hostx86\\x86\\");
+		String lib = build_context.metrics.arch == TargetArch_amd64
+			? str_lit("lib\\x64\\")
+			: str_lit("lib\\x86\\");
 
-			result->vs_exe_path     = mc_concat(vctid, exe);
-			result->vs_library_path = mc_concat(vctid, lib);
-			vs_found = true;
-		}
+		result->vs_exe_path     = mc_concat(vctid, exe);
+		result->vs_library_path = mc_concat(vctid, lib);
+		vs_found = true;
 	}
 
 	// If we haven't found it yet, we can loop through Path for specific folders
@@ -701,21 +702,32 @@ bool find_msvc_install_from_env_vars(Find_Result_Utf8 *result) {
 			String exe = build_context.metrics.arch == TargetArch_amd64
 				? str_lit("bin\\Hostx64\\x64")
 				: str_lit("bin\\Hostx86\\x86");
+			// The environment variable may have an uppercase X even though the folder is lowercase
+			String exe2 = build_context.metrics.arch == TargetArch_amd64
+				? str_lit("bin\\HostX64\\x64")
+				: str_lit("bin\\HostX86\\x86");
 			String lib = build_context.metrics.arch == TargetArch_amd64
 				? str_lit("lib\\x64")
 				: str_lit("lib\\x86");
 
 			isize lo = {0};
 			isize hi = {0};
-			for (isize c = 0; c < path.len; c += 1) {
-				if (path[c] != ';') {
+			for (isize c = 0; c <= path.len; c += 1) {
+				if (c != path.len && path[c] != ';') {
 					continue;
 				}
 
 				hi = c;
-				String dir = substring(path, lo, hi);
 				defer (lo = hi + 1);
 
+				// Skip when there are two ;; in a row
+				if (lo == hi) {
+					continue;
+				}
+
+				String dir = substring(path, lo, hi);
+
+				// Remove the last slash so we can match with the strings above
 				String end = dir[dir.len - 1] == '\\'
 					? substring(dir, 0, dir.len - 1)
 					: substring(dir, 0, dir.len);
@@ -726,7 +738,10 @@ bool find_msvc_install_from_env_vars(Find_Result_Utf8 *result) {
 				defer (mc_free(cl));
 				defer (mc_free(link));
 
-				if (!string_ends_with(end, exe) || !gb_file_exists((char *)cl.text) || !gb_file_exists((char *)link.text)) {
+				if (!string_ends_with(end, exe) && !string_ends_with(end, exe2)) {
+					continue;
+				}
+				if (!gb_file_exists((char *)cl.text) || !gb_file_exists((char *)link.text)) {
 					continue;
 				}
 
@@ -735,42 +750,36 @@ bool find_msvc_install_from_env_vars(Find_Result_Utf8 *result) {
 				result->vs_library_path = mc_concat(root, lib, str_lit("\\"));
 
 				vs_found = true;
+				break;
 			}
 		}
 	}
-
-	return sdk_found && vs_found;
 }
 
-Find_Result_Utf8 find_visual_studio_and_windows_sdk_utf8() {
-	Find_Result_Utf8 r = {};
-	find_windows_kit_root(&r);
-
-	if (r.windows_sdk_root.len > 0) {
-		if (build_context.metrics.arch == TargetArch_amd64) {
-			r.windows_sdk_um_library_path   = mc_concat(r.windows_sdk_root, str_lit("um\\x64\\"));
-			r.windows_sdk_ucrt_library_path = mc_concat(r.windows_sdk_root, str_lit("ucrt\\x64\\"));
-		} else if (build_context.metrics.arch == TargetArch_i386) {
-			r.windows_sdk_um_library_path   = mc_concat(r.windows_sdk_root, str_lit("um\\x86\\"));
-			r.windows_sdk_ucrt_library_path = mc_concat(r.windows_sdk_root, str_lit("ucrt\\x86\\"));
-		}
-	}
-
+Find_Result find_visual_studio_and_windows_sdk() {
+	Find_Result r = {};
+	find_windows_kit_paths(&r);
 	find_visual_studio_by_fighting_through_microsoft_craziness(&r);
 
-	bool all_found =
-		r.windows_sdk_root.len              > 0 &&
-		r.windows_sdk_um_library_path.len   > 0 &&
-		r.windows_sdk_ucrt_library_path.len > 0 &&
-		r.vs_exe_path.len                   > 0 &&
-		r.vs_library_path.len               > 0;
+	bool sdk_found =
+		r.windows_sdk_bin_path.len          &&
+		r.windows_sdk_um_library_path.len   &&
+		r.windows_sdk_ucrt_library_path.len ;
 
-	if (!all_found) {
-		find_msvc_install_from_env_vars(&r);
+	bool vs_found = 
+		r.vs_exe_path.len                   &&
+		r.vs_library_path.len               ;
+
+	if (!sdk_found) {
+		find_windows_kit_paths_from_env_vars(&r);
+	}
+
+	if (!vs_found) {
+		find_visual_studio_paths_from_env_vars(&r);
 	}
 
 #if 0
-	printf("windows_sdk_root:              %.*s\n", LIT(r.windows_sdk_root));
+	printf("windows_sdk_bin_path:          %.*s\n", LIT(r.windows_sdk_bin_path));
 	printf("windows_sdk_um_library_path:   %.*s\n", LIT(r.windows_sdk_um_library_path));
 	printf("windows_sdk_ucrt_library_path: %.*s\n", LIT(r.windows_sdk_ucrt_library_path));
 	printf("vs_exe_path:                   %.*s\n", LIT(r.vs_exe_path));

src/odin_compiler.natvis

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
+	<Type Name="String">
+		<DisplayString>{text,[len]s8}</DisplayString>
+		<StringView>text,[len]s8</StringView>
+	</Type>
+	<Type Name="Array&lt;*&gt;">
+		<DisplayString>{{ size={count} capacity={capacity} }}</DisplayString>
+		<Expand>
+			<ArrayItems>
+				<Size>count</Size>
+				<ValuePointer>data</ValuePointer>
+			</ArrayItems>
+		</Expand>
+	</Type>
+	<Type Name="Slice&lt;*&gt;">
+		<DisplayString>{{ size={count} }}</DisplayString>
+		<Expand>
+			<ArrayItems>
+				<Size>count</Size>
+				<ValuePointer>data</ValuePointer>
+			</ArrayItems>
+		</Expand>
+	</Type>
+	<Type Name="lbProcedure">
+		<DisplayString>Procedure {name}</DisplayString>
+	</Type>
+</AutoVisualizer>