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

[Gabor Buella via Phabricator via llvm-commits]

GBuella created this revision.
GBuella added reviewers: craig.topper, tkrupa, RKSimon.
Herald added a subscriber: llvm-commits.

This should help in lowering the following two intrinsics:
_mm256_cvtepi32_epi8
_mm256_cvtepi64_epi16


Repository:
  rL LLVM

https://reviews.llvm.org/D46957

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

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