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[InstCombine] Replace an unnecessary use of a matcher with just an isa and a cast. NFC 

We aren't looking through any levels of IR here so I don't think we need the power of a matcher or the temporary variable it requires.

llvm-svn: 306885
This commit is contained in:
Craig Topper 2017-06-30 21:09:34 +00:00
parent 2ff59d4350
commit bcf511c0da
1 changed files with 2 additions and 3 deletions
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5
llvm/lib/Transforms/InstCombine/InstCombineInternal.h
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@ -131,11 +131,10 @@ static inline bool IsFreeToInvert(Value *V, bool WillInvertAllUses) {
return true;
// A vector of constant integers can be inverted easily.
Constant *CV;
if (V->getType()->isVectorTy() && match(V, PatternMatch::m_Constant(CV))) {
if (V->getType()->isVectorTy() && isa<Constant>(V)) {
unsigned NumElts = V->getType()->getVectorNumElements();
for (unsigned i = 0; i != NumElts; ++i) {
Constant *Elt = CV->getAggregateElement(i);
Constant *Elt = cast<Constant>(V)->getAggregateElement(i);
if (!Elt)
return false;