[all-commits] [llvm/llvm-project] efd34b: Revert "[LSR] Preserve LCSSA when rewriting instru...

[Nico Weber via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: efd34ba60f3839b0a68b2e32ff9011b6823bc16f
      https://github.com/llvm/llvm-project/commit/efd34ba60f3839b0a68b2e32ff9011b6823bc16f
  Author: Nico Weber <thakis at chromium.org>
  Date:   2023-03-30 (Thu, 30 Mar 2023)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
    M llvm/test/Transforms/LoopStrengthReduce/2011-10-03-CritEdgeMerge.ll
    M llvm/test/Transforms/LoopStrengthReduce/AMDGPU/lsr-invalid-ptr-extend.ll
    M llvm/test/Transforms/LoopStrengthReduce/X86/2011-11-29-postincphi.ll
    M llvm/test/Transforms/LoopStrengthReduce/X86/expander-crashes.ll
    M llvm/test/Transforms/LoopStrengthReduce/X86/expander-reused-value-insert-point.ll
    M llvm/test/Transforms/LoopStrengthReduce/X86/sibling-loops.ll
    M llvm/test/Transforms/LoopStrengthReduce/callbr-critical-edge-splitting.ll
    M llvm/test/Transforms/LoopStrengthReduce/depth-limit-overrun.ll
    M llvm/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll
    M llvm/test/Transforms/LoopStrengthReduce/preserve-lcssa.ll
    M llvm/test/Transforms/LoopStrengthReduce/uglygep.ll

  Log Message:
  -----------
  Revert "[LSR] Preserve LCSSA when rewriting instruction with PHI user"

This reverts commit 8ff4832679e1ff2d2a1cfaa45bb5cb995b0685a1.
Breaks tests, see https://reviews.llvm.org/D146811#4232839