[PATCH] D42574: [ARM] Lower lower saturate to 0 and lower saturate to -1 using bit-operations

[Marten Svanfeldt via Phabricator via llvm-commits]

thebolt updated this revision to Diff 133185.
thebolt added a comment.

Updated with fixes for the misspelled comments.
Also added two test-cases to catch invalid transformations (such as the ones causing problems earlier).


https://reviews.llvm.org/D42574

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  test/CodeGen/ARM/atomic-op.ll
  test/CodeGen/ARM/sat-to-bitop.ll

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