[PATCH] D16828: [x86] convert masked store of one element to scalar store

[Sanjay Patel via llvm-commits]

spatel created this revision.
spatel added reviewers: delena, igorb, RKSimon.
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Herald added a subscriber: mcrosier.

Another opportunity to reduce masked stores: in D16691, we decided not to attempt the 'one mask element is set' transform in InstCombine, but I think this should be a win for any AVX machine.

http://reviews.llvm.org/D16828

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/masked_memop.ll

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