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Fix LLVM code gen bug

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This commit is contained in:
gingerBill
2020-06-22 16:57:21 +01:00
parent 0db1ebb4e5
commit 2b27300387
5 changed files with 40 additions and 20 deletions
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src/llvm_backend.cpp
+19 -8
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@@ -2270,12 +2270,17 @@ lbProcedure *lb_create_dummy_procedure(lbModule *m, String link_name, Type *type
lbValue lb_value_param(lbProcedure *p, Entity *e, Type *abi_type, i32 index, lbParamPasskind *kind_) {
lbParamPasskind kind = lbParamPass_Value;
if (e != nullptr && abi_type != e->type) {
if (e != nullptr && !are_types_identical(abi_type, e->type)) {
if (is_type_pointer(abi_type)) {
GB_ASSERT(e->kind == Entity_Variable);
kind = lbParamPass_Pointer;
if (e->flags&EntityFlag_Value) {
kind = lbParamPass_ConstRef;
Type *av = type_deref(abi_type);
if (are_types_identical(av, e->type)) {
kind = lbParamPass_Pointer;
if (e->flags&EntityFlag_Value) {
kind = lbParamPass_ConstRef;
}
} else {
kind = lbParamPass_BitCast;
}
} else if (is_type_integer(abi_type)) {
kind = lbParamPass_Integer;
@@ -2364,6 +2369,7 @@ lbValue lb_add_param(lbProcedure *p, Entity *e, Ast *expr, Type *abi_type, i32 i
}
GB_PANIC("Unreachable");
return {};
}
@@ -7035,10 +7041,15 @@ lbValue lb_emit_call(lbProcedure *p, lbValue value, Array<lbValue> const &args,
array_add(&processed_args, args[i]);
} else if (!are_types_identical(original_type, new_type)) {
if (is_type_pointer(new_type) && !is_type_pointer(original_type)) {
if (e->flags&EntityFlag_ImplicitReference) {
array_add(&processed_args, lb_address_from_load_or_generate_local(p, args[i]));
} else if (!is_type_pointer(arg_type)) {
array_add(&processed_args, lb_copy_value_to_ptr(p, args[i], original_type, 16));
Type *av = type_deref(new_type);
if (are_types_identical(av, arg_type)) {
if (e->flags&EntityFlag_ImplicitReference) {
array_add(&processed_args, lb_address_from_load_or_generate_local(p, args[i]));
} else if (!is_type_pointer(arg_type)) {
array_add(&processed_args, lb_copy_value_to_ptr(p, args[i], original_type, 16));
}
} else {
array_add(&processed_args, lb_emit_transmute(p, args[i], new_type));
}
} else if (new_type == t_llvm_bool) {
array_add(&processed_args, lb_emit_conv(p, args[i], new_type));