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Better name mangler for SSA generation

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TODO: Define better name mangling rules and allow for explicit name overload
This commit is contained in:
Ginger Bill
2016-09-18 21:44:22 +01:00
parent 2d6171f3e5
commit 828095afd1
14 changed files with 195 additions and 547 deletions
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src/checker/type.cpp
+11 -8
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@@ -96,7 +96,7 @@ enum TypeRecordKind {
};
struct Type {
u32 flags;
u32 flags; // See parser.cpp `enum TypeFlag`
TypeKind kind;
union {
BasicType Basic;
@@ -908,9 +908,9 @@ i64 type_align_of(BaseTypeSizes s, gbAllocator allocator, Type *t) {
case Type_Vector: {
i64 size = type_size_of(s, allocator, t->Vector.elem);
size *= t->Vector.count;
size = next_pow2(size);
size = prev_pow2(size);
// TODO(bill): Type_Vector type_align_of
return gb_clamp(size, s.max_align, 4*s.max_align);
return gb_clamp(size, 1, s.max_align);
} break;
case Type_Record: {
@@ -920,8 +920,9 @@ i64 type_align_of(BaseTypeSizes s, gbAllocator allocator, Type *t) {
i64 max = 1;
for (isize i = 0; i < t->Record.field_count; i++) {
i64 align = type_align_of(s, allocator, t->Record.fields[i]->type);
if (max < align)
if (max < align) {
max = align;
}
}
return max;
}
@@ -931,8 +932,9 @@ i64 type_align_of(BaseTypeSizes s, gbAllocator allocator, Type *t) {
for (isize i = 1; i < t->Record.field_count; i++) {
// NOTE(bill): field zero is null
i64 align = type_align_of(s, allocator, t->Record.fields[i]->type);
if (max < align)
if (max < align) {
max = align;
}
}
return max;
} break;
@@ -940,8 +942,9 @@ i64 type_align_of(BaseTypeSizes s, gbAllocator allocator, Type *t) {
i64 max = 1;
for (isize i = 0; i < t->Record.field_count; i++) {
i64 align = type_align_of(s, allocator, t->Record.fields[i]->type);
if (max < align)
if (max < align) {
max = align;
}
}
return max;
} break;
@@ -955,7 +958,6 @@ i64 type_align_of(BaseTypeSizes s, gbAllocator allocator, Type *t) {
}
i64 *type_set_offsets_of(BaseTypeSizes s, gbAllocator allocator, Entity **fields, isize field_count, b32 is_packed) {
// TODO(bill): use arena allocation
i64 *offsets = gb_alloc_array(allocator, i64, field_count);
i64 curr_offset = 0;
if (is_packed) {
@@ -1040,8 +1042,9 @@ i64 type_size_of(BaseTypeSizes s, gbAllocator allocator, Type *t) {
switch (t->Record.kind) {
case TypeRecord_Struct: {
i64 count = t->Record.field_count;
if (count == 0)
if (count == 0) {
return 0;
}
type_set_offsets(s, allocator, t);
return t->Record.struct_offsets[count-1] + type_size_of(s, allocator, t->Record.fields[count-1]->type);
} break;