[PATCH] D36220: [Loop Vectorize] Added a separate metadata

[DIVYA SHANMUGHAN via Phabricator via llvm-commits]

DIVYA created this revision.
Herald added a subscriber: mzolotukhin.

Added  a separate metadata to indicate when the loop has already been vectorized instead of setting width and count to 1.

Worked in collaboration with Aditya Kumar


https://reviews.llvm.org/D36220

Files:
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Transforms/LoopVectorize/X86/already-vectorized.ll
  test/Transforms/LoopVectorize/X86/vectorization-remarks-loopid-dbg.ll
  test/Transforms/LoopVectorize/X86/vectorization-remarks-missed.ll
  test/Transforms/LoopVectorize/X86/vectorization-remarks.ll
  test/Transforms/LoopVectorize/duplicated-metadata.ll
  test/Transforms/LoopVectorize/multiple-strides-vectorization.ll
  test/Transforms/LoopVectorize/vectorize-once.ll

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