[all-commits] [llvm/llvm-project] 90081f: Revert "[Codegenprepare][X86] Use usub with overfl...

[max-azul via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 90081f3020e38727eb30506d052cbb4e3a489eb6
      https://github.com/llvm/llvm-project/commit/90081f3020e38727eb30506d052cbb4e3a489eb6
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2021-02-11 (Thu, 11 Feb 2021)

  Changed paths:
    M llvm/lib/CodeGen/CodeGenPrepare.cpp
    M llvm/test/CodeGen/X86/2020_12_02_decrementing_loop.ll
    M llvm/test/CodeGen/X86/lsr-loop-exit-cond.ll
    M llvm/test/CodeGen/X86/usub_inc_iv.ll

  Log Message:
  -----------
  Revert "[Codegenprepare][X86] Use usub with overflow opt for IV increment"

This reverts commit 3d15b7e7dfc3e2cefc47791d1e8d95909e937842.

We've found an internal failure, need to analyze.