[PATCH] D28236: InstCombine: Fold cos(-x) -> cos(x)

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 83070.
arsenm added a comment.

Also handle fabs.


https://reviews.llvm.org/D28236

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  test/Transforms/InstCombine/amdgcn-intrinsics.ll
  test/Transforms/InstCombine/cos-intrinsic.ll

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