[PATCH] D42044: X86: Utilize ZeroableElements for canWidenShuffleElements

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 12 03:26:38 PDT 2018


RKSimon updated this revision to Diff 155143.
RKSimon marked 3 inline comments as done.
RKSimon edited the summary of this revision.
RKSimon added reviewers: spatel, andreadb.
RKSimon added a comment.

Rebased and updated to fix potential issue if whole of V2 isn't zeros


Repository:
  rL LLVM

https://reviews.llvm.org/D42044

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/avx-cast.ll
  test/CodeGen/X86/vector-shuffle-256-v32.ll

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