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| author | Chen Zheng <czhengsz@cn.ibm.com> | 2019-07-11 02:18:22 +0000 |
|---|---|---|
| committer | Chen Zheng <czhengsz@cn.ibm.com> | 2019-07-11 02:18:22 +0000 |
| commit | 627095ec5be18e9a628f2aad5f057425ffbc2505 (patch) | |
| tree | 94e937e7526f45be9ed253dc4eeb823dca15e6ec /llvm/lib/Analysis/ScalarEvolution.cpp | |
| parent | e837847ec64aa9420ed4ccecd40ba987e1a7338b (diff) | |
| download | bcm5719-llvm-627095ec5be18e9a628f2aad5f057425ffbc2505.tar.gz bcm5719-llvm-627095ec5be18e9a628f2aad5f057425ffbc2505.zip | |
[SCEV] teach SCEV symbolical execution about overflow intrinsics folding.
Differential Revision: https://reviews.llvm.org/D64422
llvm-svn: 365726
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 4a98fc537a5..95d6c20b692 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -7674,7 +7674,7 @@ ScalarEvolution::ExitLimit ScalarEvolution::computeShiftCompareExitLimit( static bool CanConstantFold(const Instruction *I) { if (isa<BinaryOperator>(I) || isa<CmpInst>(I) || isa<SelectInst>(I) || isa<CastInst>(I) || isa<GetElementPtrInst>(I) || - isa<LoadInst>(I)) + isa<LoadInst>(I) || isa<ExtractValueInst>(I)) return true; if (const CallInst *CI = dyn_cast<CallInst>(I)) |
