[PATCH] Using Masked Load / Store intrinsics in Loop Vectorizer

[Elena Demikhovsky]

Michael is right about potentially trapping constant expression. I addressed this issue and also added a test for it.


http://reviews.llvm.org/D6527

Files:
  include/llvm/Analysis/TargetTransformInfo.h
  lib/Analysis/TargetTransformInfo.cpp
  lib/Target/X86/X86TargetTransformInfo.cpp
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Transforms/LoopVectorize/X86/masked_load_store.ll

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