diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineVectorOps.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp index 9977b830f3..f11f557888 100644 --- a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp +++ b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp @@ -86,11 +86,12 @@ static Value *FindScalarElement(Value *V, unsigned EltNo) { if (isa<UndefValue>(V)) return UndefValue::get(PTy->getElementType()); - else if (isa<ConstantAggregateZero>(V)) + if (isa<ConstantAggregateZero>(V)) return Constant::getNullValue(PTy->getElementType()); - else if (ConstantVector *CP = dyn_cast<ConstantVector>(V)) + if (ConstantVector *CP = dyn_cast<ConstantVector>(V)) return CP->getOperand(EltNo); - else if (InsertElementInst *III = dyn_cast<InsertElementInst>(V)) { + + if (InsertElementInst *III = dyn_cast<InsertElementInst>(V)) { // If this is an insert to a variable element, we don't know what it is. if (!isa<ConstantInt>(III->getOperand(2))) return 0; @@ -104,7 +105,9 @@ static Value *FindScalarElement(Value *V, unsigned EltNo) { // Otherwise, the insertelement doesn't modify the value, recurse on its // vector input. return FindScalarElement(III->getOperand(0), EltNo); - } else if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(V)) { + } + + if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(V)) { unsigned LHSWidth = cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements(); unsigned InEl = getShuffleMask(SVI)[EltNo]; |