[PATCH] D42313: [X86] Don't reorder (srl (and X, C1), C2) if (and X, C1) can be matched as a movzx

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 19 23:55:16 PST 2018


craig.topper updated this revision to Diff 130750.
craig.topper added a comment.

Rebase after adding zext-demanded.ll test


https://reviews.llvm.org/D42313

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/avx512bw-intrinsics-fast-isel.ll
  test/CodeGen/X86/avx512bw-intrinsics-upgrade.ll
  test/CodeGen/X86/zext-demanded.ll

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