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Improve codegen for bit_field compound literals with an integer backing

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gingerBill
2024-04-24 14:46:34 +01:00
parent ec5a84a537
commit c330e5b5c1
4 changed files with 102 additions and 24 deletions
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src/llvm_backend_utility.cpp
+3 -6
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@@ -97,15 +97,12 @@ gb_internal void lb_mem_zero_ptr(lbProcedure *p, LLVMValueRef ptr, Type *type, u
LLVMTypeRef llvm_type = lb_type(p->module, type);
LLVMTypeKind kind = LLVMGetTypeKind(llvm_type);
i64 sz = type_size_of(type);
switch (kind) {
case LLVMStructTypeKind:
case LLVMArrayTypeKind:
{
// NOTE(bill): Enforce zeroing through memset to make sure padding is zeroed too
i32 sz = cast(i32)type_size_of(type);
lb_mem_zero_ptr_internal(p, ptr, lb_const_int(p->module, t_int, sz).value, alignment, false);
}
// NOTE(bill): Enforce zeroing through memset to make sure padding is zeroed too
lb_mem_zero_ptr_internal(p, ptr, lb_const_int(p->module, t_int, sz).value, alignment, false);
break;
default:
LLVMBuildStore(p->builder, LLVMConstNull(lb_type(p->module, type)), ptr);