[PATCH] D45315: [X86] Improve unsigned saturation downconvert detection.

[Artur Gainullin via Phabricator via llvm-commits]

ArturGainullin updated this revision to Diff 141967.
ArturGainullin added a comment.

- Added detection of the smax(smin) pattern.


Repository:
  rL LLVM

https://reviews.llvm.org/D45315

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/avx512-trunc.ll
  test/CodeGen/X86/vector-trunc-packus.ll

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