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Support using of a bit_field within a struct

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gingerBill
2024-02-22 19:14:16 +00:00
parent 8060e3170e
commit c14b9d461a
4 changed files with 83 additions and 6 deletions
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src/llvm_backend_expr.cpp
+11 -3
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@@ -4679,12 +4679,20 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
GB_ASSERT(sel.entity != nullptr);
if (sel.is_bit_field) {
lbAddr addr = lb_build_addr(p, se->expr);
Type *bf_type = base_type(type_deref(lb_addr_type(addr)));
Selection sub_sel = sel;
sub_sel.index.count -= 1;
Type *bf_type = type_from_selection(type, sub_sel);
bf_type = base_type(type_deref(bf_type));
GB_ASSERT(bf_type->kind == Type_BitField);
lbValue a = lb_addr_get_ptr(p, addr);
Selection sub_sel = sel;
sub_sel.index.count -= 1;
if (sub_sel.index.count > 0) {
a = lb_emit_deep_field_gep(p, a, sub_sel);
}
i32 index = sel.index[sel.index.count-1];
Entity *f = bf_type->BitField.fields[index];