[all-commits] [llvm/llvm-project] 26c38d: Revert "[X86] Remove redundant `cmp` before `adc` ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/revert-208392-lzcnt-x86-opt
  Home:   https://github.com/llvm/llvm-project
  Commit: 26c38d44d0db13e71f7eb210db864615b39be890
      https://github.com/llvm/llvm-project/commit/26c38d44d0db13e71f7eb210db864615b39be890
  Author: Simon Pilgrim <git at redking.me.uk>
  Date:   2026-07-16 (Thu, 16 Jul 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrInfo.cpp
    M llvm/test/CodeGen/X86/bitcnt-load-with-cmov.ll
    R llvm/test/CodeGen/X86/remove-redundant-cmp-lzcnt-i64.ll
    R llvm/test/CodeGen/X86/remove-redundant-cmp-lzcnt.ll
    R llvm/test/CodeGen/X86/remove-redundant-cmp-tzcnt-i64.ll
    R llvm/test/CodeGen/X86/remove-redundant-cmp-tzcnt.ll

  Log Message:
  -----------
  Revert "[X86] Remove redundant `cmp` before `adc` after `lzcnt` or `tzcnt` (#…"

This reverts commit b1a6a90dff53b60d66f49516938ef47344a45699.



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