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ABI BREAKING for SysV: Change how multiple return values are handled to be separate like all other ABIs

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gingerBill
2024-09-30 12:32:55 +01:00
parent b173fa1b9a
commit 4b6410e225
1 changed files with 10 additions and 6 deletions
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16
src/llvm_abi.cpp
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@@ -573,6 +573,15 @@ namespace lbAbiAmd64SysV {
gb_internal Array<RegClass> classify(LLVMTypeRef t);
gb_internal LLVMTypeRef llreg(LLVMContextRef c, Array<RegClass> const &reg_classes, LLVMTypeRef type);
gb_internal LB_ABI_COMPUTE_RETURN_TYPE(compute_return_type) {
if (!return_is_defined) {
return lb_arg_type_direct(LLVMVoidTypeInContext(c));
}
LB_ABI_MODIFY_RETURN_IF_TUPLE_MACRO();
return amd64_type(c, return_type, Amd64TypeAttribute_StructRect, ft->calling_convention);
}
gb_internal LB_ABI_INFO(abi_info) {
LLVMContextRef c = m->ctx;
lbFunctionType *ft = gb_alloc_item(permanent_allocator(), lbFunctionType);
@@ -583,12 +592,7 @@ namespace lbAbiAmd64SysV {
for (unsigned i = 0; i < arg_count; i++) {
ft->args[i] = amd64_type(c, arg_types[i], Amd64TypeAttribute_ByVal, calling_convention);
}
if (return_is_defined) {
ft->ret = amd64_type(c, return_type, Amd64TypeAttribute_StructRect, calling_convention);
} else {
ft->ret = lb_arg_type_direct(LLVMVoidTypeInContext(c));
}
ft->ret = compute_return_type(ft, c, return_type, return_is_defined, return_is_tuple);
return ft;
}