diff options
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index b577f69..7e5fda2 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -160,10 +160,9 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, // If the cast operand is a constant vector, perform the cast by // operating on each element. In the cast of bitcasts, the element // count may be mismatched; don't attempt to handle that here. - if ((isa<ConstantVector>(V) || isa<ConstantDataVector>(V)) && - DestTy->isVectorTy() && - cast<FixedVectorType>(DestTy)->getNumElements() == - cast<FixedVectorType>(V->getType())->getNumElements()) { + if (DestTy->isVectorTy() && V->getType()->isVectorTy() && + cast<VectorType>(DestTy)->getElementCount() == + cast<VectorType>(V->getType())->getElementCount()) { VectorType *DestVecTy = cast<VectorType>(DestTy); Type *DstEltTy = DestVecTy->getElementType(); // Fast path for splatted constants. @@ -174,6 +173,8 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, return ConstantVector::getSplat( cast<VectorType>(DestTy)->getElementCount(), Res); } + if (isa<ScalableVectorType>(DestTy)) + return nullptr; SmallVector<Constant *, 16> res; Type *Ty = IntegerType::get(V->getContext(), 32); for (unsigned i = 0, |