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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2019-07-17 21:27:44 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2019-07-17 21:27:44 +0000 |
| commit | f45fd429b7184845f7f6567227df32ebb94a04af (patch) | |
| tree | 1aeb843a64c9e925f17cd3c287a6c7bd854ab6ab /llvm/lib | |
| parent | eece5a9d31840de69a074ed1ea3ed7c0e44916a0 (diff) | |
| download | llvm-f45fd429b7184845f7f6567227df32ebb94a04af.zip llvm-f45fd429b7184845f7f6567227df32ebb94a04af.tar.gz llvm-f45fd429b7184845f7f6567227df32ebb94a04af.tar.bz2 | |
Speculative fix for stack-tagging.ll failure.
Depending on the evaluation order of function call arguments,
the current code may insert a use before def.
llvm-svn: 366375
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64StackTagging.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64StackTagging.cpp b/llvm/lib/Target/AArch64/AArch64StackTagging.cpp index f27a631..6e99c48 100644 --- a/llvm/lib/Target/AArch64/AArch64StackTagging.cpp +++ b/llvm/lib/Target/AArch64/AArch64StackTagging.cpp @@ -316,8 +316,8 @@ bool AArch64StackTagging::runOnFunction(Function &Fn) { untagAlloca(AI, Info.LifetimeEnd[0], Size); } else { uint64_t Size = Info.AI->getAllocationSizeInBits(*DL).getValue() / 8; - tagAlloca(AI, TagPCall->getNextNode(), - IRB.CreatePointerCast(TagPCall, IRB.getInt8PtrTy()), Size); + Value *Ptr = IRB.CreatePointerCast(TagPCall, IRB.getInt8PtrTy()); + tagAlloca(AI, &*IRB.GetInsertPoint(), Ptr, Size); for (auto &RI : RetVec) { untagAlloca(AI, RI, Size); } |