[PATCH] D155986: [clang][AMDGPU]: Don't use byval for struct arguments in function ABI

[Changpeng Fang via Phabricator via llvm-commits]

cfang added inline comments.


================
Comment at: clang/test/CodeGenOpenCL/amdgpu-abi-struct-arg-byref.cl:257
 // AMDGCN-LABEL: define dso_local void @FuncLargeTwoMember
-// AMDGCN-SAME: (ptr addrspace(5) noundef byval([[STRUCT_LARGESTRUCTTWOMEMBER:%.*]]) align 8 [[U:%.*]]) #[[ATTR0]] {
+// AMDGCN-SAME: (ptr addrspace(5) byref([[STRUCT_LARGESTRUCTTWOMEMBER:%.*]]) align 8 [[TMP0:%.*]]) #[[ATTR0]] {
 // AMDGCN-NEXT:  entry:
----------------
arsenm wrote:
> This lost the noundef, shouldn't lose it
if (AI.getKind() == ABIArgInfo::Indirect) 
  return "noundef"

Should we add IndirectAlised check and include in the this same patch? Thanks



CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155986/new/

https://reviews.llvm.org/D155986