[PATCH] D37648: [SLPVectorizer] Fix PR21780 Expansion of 256 bit vector loads fails to fold into shuffles

[Dinar Temirbulatov via Phabricator via llvm-commits]

dtemirbulatov updated this revision to Diff 120197.
dtemirbulatov added a comment.
Herald added subscribers: eraman, mehdi_amini.

Update for solution, here it uses metadata "speculation.marker" with set of offsets instead of maximum offset as before, thread for discussion http://lists.llvm.org/pipermail/llvm-dev/2017-September/117782.html.


https://reviews.llvm.org/D37648

Files:
  include/llvm/IR/LLVMContext.h
  include/llvm/Transforms/Vectorize/SLPVectorizer.h
  lib/IR/LLVMContext.cpp
  lib/Transforms/Vectorize/SLPVectorizer.cpp
  test/ThinLTO/X86/lazyload_metadata.ll
  test/Transforms/SLPVectorizer/X86/pr21780.ll

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