[PATCH] D74058: [ReachingDefs] Make isSafeToMove more strict.

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: SjoerdMeijer, dmgreen.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

Test that we're not moving the instruction through instructions with side-effects.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74058

Files:
  llvm/lib/CodeGen/ReachingDefAnalysis.cpp
  llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/cant-move-def-past-mem.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/dont-move-start-thru-it.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/move-def-before-start.mir

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