[all-commits] [llvm/llvm-project] 80f862: [CIR] Upstream CIR codegen for `lzcnt` and `tzcnt`...

[Haocong Lu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 80f862b6923f08b365d30c8480783aa91005e07a
      https://github.com/llvm/llvm-project/commit/80f862b6923f08b365d30c8480783aa91005e07a
  Author: Haocong Lu <haoconglu at qq.com>
  Date:   2025-11-19 (Wed, 19 Nov 2025)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp
    A clang/test/CIR/CodeGen/X86/bmi-builtins.c
    A clang/test/CIR/CodeGen/X86/lzcnt-builtins.c

  Log Message:
  -----------
  [CIR] Upstream CIR codegen for `lzcnt` and `tzcnt` x86 builtins (#168479)

Support CIR codegen for x86 builtins `__builtin_ia32_lzcnt` and
`__builtin_ia32_tzcnt`.



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