[PATCH] D112298: [InstCombine] Generalize sadd.sat combine to compute sign bits.

[Dave Green via Phabricator via llvm-commits]

dmgreen updated this revision to Diff 384704.
dmgreen edited the summary of this revision.
dmgreen added a comment.

Added ComputeMinSignedBits, just to InstCombiner for the moment.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112298/new/

https://reviews.llvm.org/D112298

Files:
  llvm/include/llvm/Transforms/InstCombine/InstCombiner.h
  llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
  llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
  llvm/test/Transforms/InstCombine/sadd_sat.ll

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