[all-commits] [llvm/llvm-project] 9abb57: [MC] Make MCCFIInstruction smaller

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9abb574f9a68b1c0c32f49745f9dad8e1a7db1f9
      https://github.com/llvm/llvm-project/commit/9abb574f9a68b1c0c32f49745f9dad8e1a7db1f9
  Author: Fangrui Song <i at maskray.me>
  Date:   2024-07-06 (Sat, 06 Jul 2024)

  Changed paths:
    M llvm/include/llvm/MC/MCDwarf.h

  Log Message:
  -----------
  [MC] Make MCCFIInstruction smaller

by placing `Operation` next to a 4-byte member.
Refactor the union representation so that it is easy to add a pointer
member for .cfi_label support without increasing the total size. There
are two primary forms (RI and RR) and RIA for AMDGPU-specific
.cfi_llvm_def_aspace_cfa.



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