[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
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
index 1b0fe84..87f1146 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
@@ -131,11 +131,10 @@
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;