[PATCH] D87819: [ARM] Find VPT implicitly predicated by VCTP

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: SjoerdMeijer, samtebbs, dmgreen.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.
samparker requested review of this revision.

On failing to find a VCTP in the list of instructions that explicitly predicate the entry of a VPT block, inspect whether the block is controlled via VPT which is implicitly predicated due to it's predicated operand(s).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87819

Files:
  llvm/lib/CodeGen/ReachingDefAnalysis.cpp
  llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/remat-vctp.ll
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/vpt-blocks.mir

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