[PATCH] D70634: Ignore Unknown dependencies using vectorize.ivdep metadata

[Yashas Andaluri via Phabricator via llvm-commits]

YashasAndaluri created this revision.
YashasAndaluri added reviewers: hfinkel, Meinersbur, rscottmanley, DTharun.
YashasAndaluri added a project: LLVM.
Herald added subscribers: llvm-commits, hiraditya.

This patch implements the functionality of  `llvm.loop.vectorize.ivdep.enable` metadata. The metadata indicates that dependencies of Unknown type can be assumed to be Safe during the `CanVecMem` check. This patch depends on D69391 <https://reviews.llvm.org/D69391>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70634

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/Analysis/LoopAccessAnalysis.h
  llvm/include/llvm/Transforms/Vectorize/LoopVectorizationLegality.h
  llvm/lib/Analysis/LoopAccessAnalysis.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp

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