[PATCH] D118928: [FPEnv][InstSimplify] Fold fsub X, +0 ==> X

[Kevin P. Neal via Phabricator via llvm-commits]

kpn updated this revision to Diff 407595.
kpn added a comment.

Update for review comments: don't fold away a case that can and should result in -0.0. Add tests for this very case.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118928/new/

https://reviews.llvm.org/D118928

Files:
  llvm/lib/Analysis/InstructionSimplify.cpp
  llvm/test/Transforms/InstSimplify/strictfp-fsub.ll

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