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| author | Davide Italiano <davide@freebsd.org> | 2017-04-19 14:23:42 +0000 |
|---|---|---|
| committer | Davide Italiano <davide@freebsd.org> | 2017-04-19 14:23:42 +0000 |
| commit | a9f047a594b363768d631954b241542901ddc1eb (patch) | |
| tree | ba96322cb8eafc24962c48877214a2bf8c6a951e /llvm/lib/Analysis | |
| parent | bb7e8d2ec4ba8e240d0ed23e5732e3be06c01a02 (diff) | |
| download | bcm5719-llvm-a9f047a594b363768d631954b241542901ddc1eb.tar.gz bcm5719-llvm-a9f047a594b363768d631954b241542901ddc1eb.zip | |
[InstSimplify] Deduce correct type for vector GEP.
InstSimplify returned the wrong type when simplifying a vector GEP
and we ended up crashing when trying to replace all uses with the
new value. Fixes PR32697.
Differential Revision: https://reviews.llvm.org/D32180
llvm-svn: 300693
Diffstat (limited to 'llvm/lib/Analysis')
| -rw-r--r-- | llvm/lib/Analysis/InstructionSimplify.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index 3ec79c73d2b..5265fe0b201 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -3796,6 +3796,8 @@ static Value *SimplifyGEPInst(Type *SrcTy, ArrayRef<Value *> Ops, Type *GEPTy = PointerType::get(LastType, AS); if (VectorType *VT = dyn_cast<VectorType>(Ops[0]->getType())) GEPTy = VectorType::get(GEPTy, VT->getNumElements()); + else if (VectorType *VT = dyn_cast<VectorType>(Ops[1]->getType())) + GEPTy = VectorType::get(GEPTy, VT->getNumElements()); if (isa<UndefValue>(Ops[0])) return UndefValue::get(GEPTy); |
