[PATCH] D34566: [loop idiom Recognition] support memcpy for multiple consecutive loads and stores

[Haicheng Wu via Phabricator via llvm-commits]

haicheng added inline comments.


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Comment at: lib/Transforms/Scalar/LoopIdiomRecognize.cpp:930
+
+    LoadInst *FirstStoreLoad = dyn_cast<LoadInst>(SL[i]->getValueOperand());
+    assert(FirstStoreLoad->isUnordered() && 
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haicheng wrote:
> What if FirstStoreLoad is nullptr?
Then you can use cast instead of dyn_cast


https://reviews.llvm.org/D34566