[PATCH] D45453: [InstCombine] Enable Add/Sub simplifications with only 'reassoc' FMF

[Warren Ristow via Phabricator via llvm-commits]

wristow created this revision.
wristow added reviewers: spatel, majnemer, efriedma.

These simplifications were previously enabled only with isFast(), but that
is more restrictive than required.  Since r317488, FMF has 'reassoc' to
control these cases at a finer level.


https://reviews.llvm.org/D45453

Files:
  lib/Transforms/InstCombine/InstCombineAddSub.cpp
  test/Transforms/Reassociate/fast-MissedTree.ll
  test/Transforms/Reassociate/fast-SubReassociate.ll
  test/Transforms/Reassociate/fast-basictest.ll

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