[all-commits] [llvm/llvm-project] b1a6a9: [X86] Remove redundant `cmp` before `adc` after `l...

[Vachan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b1a6a90dff53b60d66f49516938ef47344a45699
      https://github.com/llvm/llvm-project/commit/b1a6a90dff53b60d66f49516938ef47344a45699
  Author: Vachan <vachanvy05 at gmail.com>
  Date:   2026-07-14 (Tue, 14 Jul 2026)

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

  Log Message:
  -----------
  [X86] Remove redundant `cmp` before `adc` after `lzcnt` or `tzcnt` (#208392)

fixes #193178



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