[PATCH] D62510: [LoopVectorize] Add FNeg instruction support
Cameron McInally via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue May 28 06:55:46 PDT 2019
cameron.mcinally added inline comments.
Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:4011
+ if (UnaryOperator *VecOp = dyn_cast<UnaryOperator>(V))
> Just posted D62521: Add CreateFNegFMF(...) to the IRBuilder. That should allow you to skip the explicit FMF copy.
Oh, I now see that the BinOperator code above is the generic form too. I don't think there are any other unary operators planned, but it's probably best to keep the UnaryOperator code in line with the BinaryOperator code anyway.
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