[PATCH] D88638: [ARM][LowOverheadLoops] Adjust Start insertion.

[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.

Try to move the insertion point to become the terminator of the block, usually the preheader.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88638

Files:
  llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/lstp-insertion-position.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/mov-after-dlstp.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/mov-operand.ll
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/move-def-before-start.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/move-start-after-def.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/reductions.ll
  llvm/test/CodeGen/Thumb2/mve-float16regloops.ll
  llvm/test/CodeGen/Thumb2/mve-float32regloops.ll
  llvm/test/CodeGen/Thumb2/mve-fma-loops.ll
  llvm/test/CodeGen/Thumb2/mve-gather-scatter-optimisation.ll
  llvm/test/CodeGen/Thumb2/mve-gather-scatter-ptr-address.ll
  llvm/test/CodeGen/Thumb2/mve-gather-scatter-tailpred.ll
  llvm/test/CodeGen/Thumb2/mve-postinc-lsr.ll
  llvm/test/CodeGen/Thumb2/mve-pred-threshold.ll
  llvm/test/CodeGen/Thumb2/mve-satmul-loops.ll

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