[PATCH] D48467: [X86] Recognize a splat of negate in isFNEG

[Easwaran Raman via Phabricator via llvm-commits]

eraman added a comment.

In https://reviews.llvm.org/D48467#1181907, @RKSimon wrote:

> @eraman Please can you take a look at https://reviews.llvm.org/rL338358 - this shows how to use getTargetConstantBitsFromNode to avoid a lot of extra checks you need from using getTargetConstantFromNode directly


I have updated the code to make use of this. I had to extend getTargetConstantBitsFromNode to support build vector of ConstantFPSDNodes. PTAL.


Repository:
  rL LLVM

https://reviews.llvm.org/D48467