================
@@ -275,10 +276,14 @@ SparcV9ABIInfo::classifyType(QualType Ty, unsigned
SizeLimit) const {
// Try to use the original type for coercion.
llvm::Type *CoerceTy = CB.isUsableType(StrTy) ? StrTy : CB.getType();
+ // We use a pair of i64 for 9-16 byte aggregate with 8 byte alignment.
+ // For 9-16 byte aggregates with 16 byte alignment, we use i128.
+ llvm::Type *WideTy = llvm::Type::getIntNTy(getVMContext(), 128);
+ bool UseI128 = (Size > 64) && (Size <= 128) && (Alignment == 128);
----------------
koachan wrote:
Structs larger than 16 bytes are passed indirectly, but returned in registers.
> Structures or unions larger than sixteen bytes are copied by the caller and
> passed indirectly; the caller will pass the address of a correctly aligned
> structure value.
> Structure and union return types up to thirty-two bytes in size are returned
> in registers.
I think for that case it's already tested in sparcv9-abi.c as the `struct
medium` case?
https://github.com/llvm/llvm-project/pull/155829
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