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Start implementing Tagged Unions

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This commit is contained in:
Ginger Bill
2016-09-03 18:18:45 +01:00
parent 11205f968a
commit 7f884ed251
7 changed files with 302 additions and 139 deletions
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10
src/codegen/print_llvm.cpp
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@@ -158,6 +158,10 @@ void ssa_print_type(gbFile *f, BaseTypeSizes s, Type *t) {
ssa_fprintf(f, ">");
}
break;
case TypeRecord_Union: {
i64 size_of_union = type_size_of(s, gb_heap_allocator(), t) - s.word_size;
ssa_fprintf(f, "{i%lld, [%lld x i8]}", word_bits, size_of_union);
} break;
case TypeRecord_RawUnion:
ssa_fprintf(f, "[%lld x i8]", type_size_of(s, gb_heap_allocator(), t));
break;
@@ -172,7 +176,7 @@ void ssa_print_type(gbFile *f, BaseTypeSizes s, Type *t) {
ssa_fprintf(f, "*");
break;
case Type_Named:
if (is_type_struct(t)) {
if (is_type_struct(t) || is_type_union(t)) {
ssa_print_encoded_local(f, t->Named.name);
} else {
ssa_print_type(f, s, get_base_type(t));
@@ -454,7 +458,6 @@ void ssa_print_instr(gbFile *f, ssaModule *m, ssaValue *value) {
ssa_fprintf(f, "%%%d = ", value->id);
if (gb_is_between(bo->op.kind, Token__ComparisonBegin+1, Token__ComparisonEnd-1)) {
if (is_type_string(elem_type)) {
ssa_fprintf(f, "call ");
ssa_print_type(f, m->sizes, t_bool);
@@ -756,8 +759,9 @@ void ssa_print_proc(gbFile *f, ssaModule *m, ssaProcedure *proc) {
void ssa_print_type_name(gbFile *f, ssaModule *m, ssaValue *v) {
GB_ASSERT(v->kind == ssaValue_TypeName);
Type *base_type = get_base_type(ssa_type(v));
if (!is_type_struct(base_type))
if (!is_type_struct(base_type) && !is_type_union(base_type)) {
return;
}
ssa_print_encoded_local(f, v->TypeName.name);
ssa_fprintf(f, " = type ");
ssa_print_type(f, m->sizes, get_base_type(v->TypeName.type));