Use range algorithms instead of unpacking begin/end

No functionality change is intended.

llvm-svn: 278417

llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp

@@ -520,7 +520,7 @@ Vectorizer::getVectorizablePrefix(ArrayRef<Instruction *> Chain) {
   unsigned ChainIdx, ChainLen;
   for (ChainIdx = 0, ChainLen = Chain.size(); ChainIdx < ChainLen; ++ChainIdx) {
     Instruction *I = Chain[ChainIdx];
-    if (!any_of(VectorizableChainInstrs,
+    if (none_of(VectorizableChainInstrs,
                 [I](std::pair<Instruction *, unsigned> CI) {
                   return I == CI.first;
                 }))