[PATCH] D46957: [x86] Lower some trunc + shuffle patterns to vpmov[q|d][b|w]

[Gabor Buella via Phabricator via llvm-commits]

GBuella updated this revision to Diff 148178.
GBuella added a comment.

Refactored the `maskContainsSequenceForVPMOV` function.


https://reviews.llvm.org/D46957

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/shuffle-vs-trunc-256.ll
  test/CodeGen/X86/shuffle-vs-trunc-512.ll

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