[PATCH] D68579: [HardwareLoops] Optimisation remarks

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer created this revision.
SjoerdMeijer added reviewers: hfinkel, samparker, shchenz, nemanjai, steven.zhang.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

This adds the initial plumbing to support optimisation remarks in
the IR hardware-loop pass.

I have left a TODO in a comment where we can improve the reporting,
but I will iterate on that once we have this initial support in.


https://reviews.llvm.org/D68579

Files:
  llvm/lib/CodeGen/HardwareLoops.cpp
  llvm/test/CodeGen/ARM/O3-pipeline.ll
  llvm/test/Transforms/HardwareLoops/ARM/opt-remarks.ll
  llvm/test/Transforms/HardwareLoops/unconditional-latch.ll

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