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| author | Joey Gouly <joey.gouly@gmail.com> | 2017-06-06 10:17:14 +0000 |
|---|---|---|
| committer | Joey Gouly <joey.gouly@gmail.com> | 2017-06-06 10:17:14 +0000 |
| commit | 61eaa63b65e7f0ba6c906d2372ad66c07e9d392c (patch) | |
| tree | d8966f510c158b225dcac95fc5d0a00b39fb1966 /llvm/lib/Analysis | |
| parent | 8a2e00e631c24f37abb83b96dadbab8bb66893f6 (diff) | |
| download | bcm5719-llvm-61eaa63b65e7f0ba6c906d2372ad66c07e9d392c.tar.gz bcm5719-llvm-61eaa63b65e7f0ba6c906d2372ad66c07e9d392c.zip | |
[InstSimplify] Constant fold the new GEP in SimplifyGEPInst.
llvm-svn: 304784
Diffstat (limited to 'llvm/lib/Analysis')
| -rw-r--r-- | llvm/lib/Analysis/InstructionSimplify.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index ea83c83ed0c..aa7993b875c 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -3884,8 +3884,11 @@ static Value *SimplifyGEPInst(Type *SrcTy, ArrayRef<Value *> Ops, if (!all_of(Ops, [](Value *V) { return isa<Constant>(V); })) return nullptr; - return ConstantExpr::getGetElementPtr(SrcTy, cast<Constant>(Ops[0]), - Ops.slice(1)); + auto *CE = ConstantExpr::getGetElementPtr(SrcTy, cast<Constant>(Ops[0]), + Ops.slice(1)); + if (auto *CEFolded = ConstantFoldConstant(CE, Q.DL)) + return CEFolded; + return CE; } Value *llvm::SimplifyGEPInst(Type *SrcTy, ArrayRef<Value *> Ops, |
