[PATCH] D135278: [VectorCombine] convert scalar fneg with insert/extract to vector fneg

[Sanjay Patel via Phabricator via llvm-commits]

spatel marked an inline comment as done.
spatel added inline comments.


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Comment at: llvm/test/Transforms/VectorCombine/X86/extract-fneg-insert.ll:7
 
+; TODO: The insert is costed as free, so creating a shuffle appears to be a loss.
+
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RKSimon wrote:
> Are you going to look at this? If not please can you raise a bug.
I'm not sure what the proper fix will be, so let's track it either way:
https://github.com/llvm/llvm-project/issues/58261


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