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Add metadata to packed structs field accesses to state it is packed

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gingerBill
2024-05-07 15:28:09 +01:00
parent 3f7a369aa1
commit de5ce90fa7
3 changed files with 43 additions and 2 deletions
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6
src/llvm_backend_general.cpp
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@@ -1107,6 +1107,12 @@ gb_internal lbValue lb_emit_load(lbProcedure *p, lbValue value) {
GB_ASSERT(is_type_pointer(value.type));
Type *t = type_deref(value.type);
LLVMValueRef v = LLVMBuildLoad2(p->builder, lb_type(p->module, t), value.value, "");
u64 is_packed = lb_get_metadata_custom_u64(p->module, v, ODIN_METADATA_IS_PACKED);
if (is_packed != 0) {
LLVMSetAlignment(v, 1);
}
return lbValue{v, t};
}