Minor simplification: use ShuffleVectorInst::getMaskValue instead of a more expensive helper.
llvm-svn: 142672
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp b/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
index 6dcfa0d..0995d46 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
@@ -108,7 +108,7 @@
if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(V)) {
unsigned LHSWidth =
cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements();
- int InEl = getShuffleMask(SVI)[EltNo];
+ int InEl = SVI->getMaskValue(EltNo);
if (InEl < 0)
return UndefValue::get(PTy->getElementType());
if (InEl < (int)LHSWidth)
@@ -212,7 +212,7 @@
// If this is extracting an element from a shufflevector, figure out where
// it came from and extract from the appropriate input element instead.
if (ConstantInt *Elt = dyn_cast<ConstantInt>(EI.getOperand(1))) {
- int SrcIdx = getShuffleMask(SVI)[Elt->getZExtValue()];
+ int SrcIdx = SVI->getMaskValue(Elt->getZExtValue());
Value *Src;
unsigned LHSWidth =
cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements();