[PATCH] D35292: [SLPVectorizer] Add propagateIRFlagsWithOp() function to propagate IRFlags for specific Operation

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: lib/Transforms/Utils/LoopUtils.cpp:1383
+  auto *Intersection = (OpValue == nullptr) ? cast<Instruction>(VL[0]) :
+                                      cast<Instruction>(OpValue);
+  const unsigned Opcode = Intersection->getOpcode();
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These must be dyn_cast and we must check for null. 


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Comment at: lib/Transforms/Utils/LoopUtils.cpp:1396
   }
 }
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clang-format this whole function.


https://reviews.llvm.org/D35292