diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp b/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp index e37e6bc9cb8..438d6c8ab32 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp @@ -99,6 +99,8 @@ bool AMDGPULowerKernelArguments::runOnFunction(Function &F) { // FIXME: Alignment is broken broken with explicit arg offset.; const uint64_t TotalKernArgSize = BaseOffset + ST.getKernArgSegmentSize(F, DL.getTypeAllocSize(ArgStructTy)); + if (TotalKernArgSize == 0) + return false; CallInst *KernArgSegment = Builder.CreateIntrinsic(Intrinsic::amdgcn_kernarg_segment_ptr, nullptr, @@ -152,7 +154,7 @@ bool AMDGPULowerKernelArguments::runOnFunction(Function &F) { unsigned AdjustedAlign = MinAlign(KernArgBaseAlign, AlignDownOffset); Value *ArgPtr; - if (Size < 32) { + if (Size < 32 && !ArgTy->isAggregateType()) { // FIXME: Handle aggregate types // Since we don't have sub-dword scalar loads, avoid doing an extload by // loading earlier than the argument address, and extracting the relevant // bits. @@ -218,7 +220,7 @@ bool AMDGPULowerKernelArguments::runOnFunction(Function &F) { // TODO: Convert noalias arg to !noalias - if (Size < 32) { + if (Size < 32 && !ArgTy->isAggregateType()) { if (IsExtArg && OffsetDiff == 0) { Type *I32Ty = Builder.getInt32Ty(); bool IsSext = Arg.hasSExtAttr(); |
