diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCasts.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCasts.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index b432641a14..1ffcc2b122 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -1037,8 +1037,11 @@ Instruction *InstCombiner::visitSExt(SExtInst &CI) { if (Pred == ICmpInst::ICMP_SLT && CmpLHS->getType() == DestTy) { const Type *EltTy = VTy->getElementType(); - // splat the shift constant to a constant vector. - Constant *VSh = ConstantInt::get(VTy, EltTy->getScalarSizeInBits()-1); + // splat the shift constant to a cosntant vector + Constant *Sh = ConstantInt::get(EltTy, EltTy->getScalarSizeInBits()-1); + std::vector<Constant *> Elts(VTy->getNumElements(), Sh); + Constant *VSh = ConstantVector::get(Elts); + Value *In = Builder->CreateAShr(CmpLHS, VSh,CmpLHS->getName()+".lobit"); return ReplaceInstUsesWith(CI, In); } @@ -1387,7 +1390,8 @@ static Instruction *OptimizeVectorResize(Value *InVal, const VectorType *DestTy, ConstantInt::get(Int32Ty, SrcElts)); } - return new ShuffleVectorInst(InVal, V2, ConstantVector::get(ShuffleMask)); + Constant *Mask = ConstantVector::get(ShuffleMask.data(), ShuffleMask.size()); + return new ShuffleVectorInst(InVal, V2, Mask); } static bool isMultipleOfTypeSize(unsigned Value, const Type *Ty) { |