src/llvm-project/llvm/test/CodeGen/X86/expand-post-ra-pseudo.mir

# RUN: llc -o - %s -mtriple=x86_64-- -run-pass=postrapseudos | FileCheck %s
---
# CHECK-LABEL: name: func
name: func
body: |
  bb.0:
    liveins: $eax
    ; CHECK-NOT: dead $rax = KILL {{[0-9]+}}
    ; CHECK: dead $rax = KILL killed $eax
    dead $rax = SUBREG_TO_REG 0, killed $eax, %subreg.sub_32bit
...