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| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2017-04-24 20:12:10 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2017-04-24 20:12:10 +0000 |
| commit | 206f65c04964a23a6072b2a6de3bf6496bb1a884 (patch) | |
| tree | c7b78b4ebf031ab295538f44850081aefef9a973 /llvm/lib/Transforms | |
| parent | d056cb4b74fa168534ca24fd43a2a6c3e2eeb1b6 (diff) | |
| download | bcm5719-llvm-206f65c04964a23a6072b2a6de3bf6496bb1a884.tar.gz bcm5719-llvm-206f65c04964a23a6072b2a6de3bf6496bb1a884.zip | |
[LIR] Obey non-integral pointer semantics
Summary: See http://llvm.org/docs/LangRef.html#non-integral-pointer-type
Reviewers: haicheng
Reviewed By: haicheng
Subscribers: mcrosier, mzolotukhin, llvm-commits
Differential Revision: https://reviews.llvm.org/D32196
llvm-svn: 301238
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp index 946d85d7360..5042fc18d7c 100644 --- a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp +++ b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp @@ -345,6 +345,11 @@ bool LoopIdiomRecognize::isLegalStore(StoreInst *SI, bool &ForMemset, if (!SI->isSimple()) return false; + // Don't convert stores of non-integral pointer types to memsets (which stores + // integers). + if (DL->isNonIntegralPointerType(SI->getValueOperand()->getType())) + return false; + // Avoid merging nontemporal stores. if (SI->getMetadata(LLVMContext::MD_nontemporal)) return false; |
