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Begin work on implementing the new map internals

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gingerBill
2022-11-07 23:02:21 +00:00
parent f1c24f434b
commit c96e0afbf1
13 changed files with 832 additions and 492 deletions
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src/llvm_backend.cpp
+63 -47
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@@ -298,7 +298,7 @@ lbValue lb_simple_compare_hash(lbProcedure *p, Type *type, lbValue data, lbValue
lbValue lb_get_hasher_proc_for_type(lbModule *m, Type *type) {
type = core_type(type);
GB_ASSERT(is_type_valid_for_keys(type));
GB_ASSERT_MSG(is_type_valid_for_keys(type), "%s", type_to_string(type));
Type *pt = alloc_type_pointer(type);
@@ -500,51 +500,67 @@ lbValue lb_generate_anonymous_proc_lit(lbModule *m, String const &prefix_name, A
return value;
}
lbValue lb_gen_map_header_table_internal(lbProcedure *p, Type *map_type) {
// IMPORTANT NOTE(bill): This must match the definition in dynamic_map_internal.odin
enum : i64 {
MAP_CACHE_LINE_LOG2 = 6,
MAP_CACHE_LINE_SIZE = 1 << MAP_CACHE_LINE_LOG2
};
GB_STATIC_ASSERT(MAP_CACHE_LINE_SIZE >= 64);
void lb_map_cell_size_and_len(Type *type, i64 *size_, i64 *len_) {
i64 elem_sz = type_size_of(type);
i64 len = 1;
if (0 < elem_sz && elem_sz < MAP_CACHE_LINE_SIZE) {
len = MAP_CACHE_LINE_SIZE / elem_sz;
}
i64 size = align_formula(elem_sz * len, MAP_CACHE_LINE_SIZE);
if (size_) *size_ = size;
if (len_) *len_ = len;
}
LLVMValueRef lb_gen_map_cell_info(lbModule *m, Type *type) {
i64 size = 0, len = 0;
lb_map_cell_size_and_len(type, &size, &len);
LLVMValueRef const_values[4] = {};
const_values[0] = lb_const_int(m, t_uintptr, type_size_of(type)).value;
const_values[1] = lb_const_int(m, t_uintptr, type_align_of(type)).value;
const_values[2] = lb_const_int(m, t_uintptr, size).value;
const_values[3] = lb_const_int(m, t_uintptr, len).value;
return llvm_const_named_struct(m, t_map_cell_info, const_values, gb_count_of(const_values));
}
lbValue lb_gen_map_info_ptr(lbProcedure *p, Type *map_type) {
lbModule *m = p->module;
map_type = base_type(map_type);
GB_ASSERT(map_type->kind == Type_Map);
lbAddr *found = map_get(&m->map_header_table_map, map_type);
lbAddr *found = map_get(&m->map_info_map, map_type);
if (found) {
return lb_addr_load(p, *found);
return lb_addr_get_ptr(p, *found);
}
GB_ASSERT(map_type->Map.entry_type->kind == Type_Struct);
i64 entry_size = type_size_of (map_type->Map.entry_type);
i64 entry_align = type_align_of (map_type->Map.entry_type);
GB_ASSERT(t_map_info != nullptr);
GB_ASSERT(t_map_cell_info != nullptr);
i64 key_offset = type_offset_of(map_type->Map.entry_type, 2);
i64 key_size = type_size_of (map_type->Map.key);
LLVMValueRef key_cell_info = lb_gen_map_cell_info(m, map_type->Map.key);
LLVMValueRef value_cell_info = lb_gen_map_cell_info(m, map_type->Map.value);
i64 value_offset = type_offset_of(map_type->Map.entry_type, 3);
i64 value_size = type_size_of (map_type->Map.value);
LLVMValueRef const_values[4] = {};
const_values[0] = key_cell_info;
const_values[1] = value_cell_info;
const_values[2] = lb_get_hasher_proc_for_type(m, map_type->Map.key).value;
const_values[3] = lb_get_equal_proc_for_type(m, map_type->Map.key).value;
Type *key_type = map_type->Map.key;
Type *val_type = map_type->Map.value;
gb_unused(val_type);
LLVMValueRef llvm_res = llvm_const_named_struct(m, t_map_info, const_values, gb_count_of(const_values));
lbValue res = {llvm_res, t_map_info};
Type *st = base_type(t_map_header_table);
GB_ASSERT(st->Struct.fields.count == 7);
LLVMValueRef const_values[7] = {};
const_values[0] = lb_get_equal_proc_for_type(m, key_type) .value;
const_values[1] = lb_const_int(m, t_int, entry_size) .value;
const_values[2] = lb_const_int(m, t_int, entry_align) .value;
const_values[3] = lb_const_int(m, t_uintptr, key_offset) .value;
const_values[4] = lb_const_int(m, t_int, key_size) .value;
const_values[5] = lb_const_int(m, t_uintptr, value_offset).value;
const_values[6] = lb_const_int(m, t_int, value_size) .value;
LLVMValueRef llvm_res = llvm_const_named_struct(m, t_map_header_table, const_values, gb_count_of(const_values));
lbValue res = {llvm_res, t_map_header_table};
lbAddr addr = lb_add_global_generated(m, t_map_header_table, res, nullptr);
lbAddr addr = lb_add_global_generated(m, t_map_info, res, nullptr);
lb_make_global_private_const(addr);
map_set(&m->map_header_table_map, map_type, addr);
return lb_addr_load(p, addr);
map_set(&m->map_info_map, map_type, addr);
return lb_addr_get_ptr(p, addr);
}
lbValue lb_const_hash(lbModule *m, lbValue key, Type *key_type) {
@@ -616,12 +632,13 @@ lbValue lb_gen_map_key_hash(lbProcedure *p, lbValue key, Type *key_type, lbValue
lbValue lb_internal_dynamic_map_get_ptr(lbProcedure *p, lbValue const &map_ptr, lbValue const &key) {
Type *map_type = base_type(type_deref(map_ptr.type));
lbValue key_ptr = {};
auto args = array_make<lbValue>(permanent_allocator(), 4);
lbValue key_ptr = lb_address_from_load_or_generate_local(p, key);
key_ptr = lb_emit_conv(p, key_ptr, t_rawptr);
auto args = array_make<lbValue>(permanent_allocator(), 3);
args[0] = lb_emit_conv(p, map_ptr, t_rawptr);
args[1] = lb_gen_map_header_table_internal(p, map_type);
args[2] = lb_gen_map_key_hash(p, key, map_type->Map.key, &key_ptr);
args[3] = key_ptr;
args[1] = lb_gen_map_info_ptr(p, map_type);
args[2] = key_ptr;
lbValue ptr = lb_emit_runtime_call(p, "__dynamic_map_get", args);
@@ -633,20 +650,19 @@ void lb_insert_dynamic_map_key_and_value(lbProcedure *p, lbValue const &map_ptr,
map_type = base_type(map_type);
GB_ASSERT(map_type->kind == Type_Map);
lbValue key_ptr = {};
lbValue key_hash = lb_gen_map_key_hash(p, map_key, map_type->Map.key, &key_ptr);
lbValue key_ptr = lb_address_from_load_or_generate_local(p, map_key);
key_ptr = lb_emit_conv(p, key_ptr, t_rawptr);
lbValue v = lb_emit_conv(p, map_value, map_type->Map.value);
lbAddr value_addr = lb_add_local_generated(p, v.type, false);
lb_addr_store(p, value_addr, v);
auto args = array_make<lbValue>(permanent_allocator(), 6);
auto args = array_make<lbValue>(permanent_allocator(), 5);
args[0] = lb_emit_conv(p, map_ptr, t_rawptr);
args[1] = lb_gen_map_header_table_internal(p, map_type);
args[2] = key_hash;
args[3] = key_ptr;
args[4] = lb_emit_conv(p, value_addr.addr, t_rawptr);
args[5] = lb_emit_source_code_location_as_global(p, node);
args[1] = lb_gen_map_info_ptr(p, map_type);
args[2] = key_ptr;
args[3] = lb_emit_conv(p, value_addr.addr, t_rawptr);
args[4] = lb_emit_source_code_location_as_global(p, node);
lb_emit_runtime_call(p, "__dynamic_map_set", args);
}
@@ -660,8 +676,8 @@ void lb_dynamic_map_reserve(lbProcedure *p, lbValue const &map_ptr, isize const
auto args = array_make<lbValue>(permanent_allocator(), 4);
args[0] = lb_emit_conv(p, map_ptr, t_rawptr);
args[1] = lb_gen_map_header_table_internal(p, type_deref(map_ptr.type));
args[2] = lb_const_int(p->module, t_int, capacity);
args[1] = lb_gen_map_info_ptr(p, type_deref(map_ptr.type));
args[2] = lb_const_int(p->module, t_uint, capacity);
args[3] = lb_emit_source_code_location_as_global(p, proc_name, pos);
lb_emit_runtime_call(p, "__dynamic_map_reserve", args);
}