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[Clang][OpenCL][AMDGPU] Use byref for aggregate OpenCL kernel arguments #134892

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Merged
merged 1 commit into from
Apr 13, 2025
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[Clang][OpenCL][AMDGPU] Use byref for aggregate OpenCL kernel arguments #134892

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6 changes: 1 addition & 5 deletions clang/lib/CodeGen/Targets/AMDGPU.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -198,14 +198,10 @@ ABIArgInfo AMDGPUABIInfo::classifyKernelArgumentType(QualType Ty) const {
/*ToAS=*/getContext().getTargetAddressSpace(LangAS::cuda_device));
}

// FIXME: Should also use this for OpenCL, but it requires addressing the
// problem of kernels being called.
//
// FIXME: This doesn't apply the optimization of coercing pointers in structs
// to global address space when using byref. This would require implementing a
// new kind of coercion of the in-memory type when for indirect arguments.
if (!getContext().getLangOpts().OpenCL && LTy == OrigLTy &&
isAggregateTypeForABI(Ty)) {
if (LTy == OrigLTy && isAggregateTypeForABI(Ty)) {
return ABIArgInfo::getIndirectAliased(
getContext().getTypeAlignInChars(Ty),
getContext().getTargetAddressSpace(LangAS::opencl_constant),
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