[PATCH] D92385: [ARM] Add a pass that re-arranges blocks when there is a backwards WLS branch

[Sam Tebbs via Phabricator via llvm-commits]

samtebbs updated this revision to Diff 314927.
samtebbs added a comment.

Use MachineLoopInfo. I have removed the fallthrough fixing test since it seems to be impossible to create the needed fallthrough and keep it as a valid MachineLoop.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92385/new/

https://reviews.llvm.org/D92385

Files:
  llvm/lib/Target/ARM/ARM.h
  llvm/lib/Target/ARM/ARMBlockPlacement.cpp
  llvm/lib/Target/ARM/ARMTargetMachine.cpp
  llvm/lib/Target/ARM/CMakeLists.txt
  llvm/test/CodeGen/ARM/O3-pipeline.ll
  llvm/test/CodeGen/Thumb2/block-placement.mir
  llvm/test/CodeGen/Thumb2/mve-float16regloops.ll
  llvm/test/CodeGen/Thumb2/mve-float32regloops.ll

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