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[AMDGPU] Fix msan failure in printf lowering

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llvm-svn: 368645
This commit is contained in:
Stanislav Mekhanoshin 2019-08-13 01:07:27 +00:00
parent 6e18c7f8d4
commit 438315bf69
1 changed files with 3 additions and 5 deletions
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8
llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
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@ -537,8 +537,8 @@ bool AMDGPUPrintfRuntimeBinding::lowerPrintfForGpu(Module &M) {
} else {
WhatToStore.push_back(Arg);
}
for (auto W : WhatToStore) {
Value *TheBtCast = W;
for (unsigned I = 0, E = WhatToStore.size(); I != E; ++I) {
Value *TheBtCast = WhatToStore[I];
unsigned ArgSize =
TD->getTypeAllocSizeInBits(TheBtCast->getType()) / 8;
SmallVector<Value *, 1> BuffOffset;
@ -551,9 +551,7 @@ bool AMDGPUPrintfRuntimeBinding::lowerPrintfForGpu(Module &M) {
LLVM_DEBUG(dbgs() << "inserting store to printf buffer:\n"
<< *StBuff << '\n');
(void)StBuff;
++W;
if (W == *WhatToStore.end() &&
ArgCount + 1 == CI->getNumArgOperands())
if (I + 1 == E && ArgCount + 1 == CI->getNumArgOperands())
break;
BufferIdx = dyn_cast<GetElementPtrInst>(GetElementPtrInst::Create(
nullptr, BufferIdx, BuffOffset, "PrintBuffNextPtr", Brnch));