[all-commits] [llvm/llvm-project] 38f625: [ARM][LowOverheadLoops] Adjust Start insertion.

[Sam Parker via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 38f625d0d1360b035271422bab922d22ed04d79a
      https://github.com/llvm/llvm-project/commit/38f625d0d1360b035271422bab922d22ed04d79a
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2020-10-01 (Thu, 01 Oct 2020)

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

  Log Message:
  -----------
  [ARM][LowOverheadLoops] Adjust Start insertion.

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

Differential Revision: https://reviews.llvm.org/D88638