[PATCH] D32805: [X86][AVX512] Only look at lower bit in constant scalar masks

Guy Blank via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon May 8 01:49:28 PDT 2017


guyblank updated this revision to Diff 98137.
guyblank retitled this revision from "[X86][AVX512] Properly handle scalar masking for constant masks" to "[X86][AVX512] Only look at lower bit in constant scalar masks".
guyblank edited the summary of this revision.
guyblank added a comment.

change the patch to only address cases where the lower bit is '1'


https://reviews.llvm.org/D32805

Files:
  CodeGen/X86/avx512-scalar_mask.ll
  CodeGen/X86/avx512er-intrinsics.ll
  Target/X86/X86ISelLowering.cpp

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