test/CodeGen/MIR/X86/def-register-already-tied-error.mir

# RUN: not llc -march=x86-64 -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
--- |
  define i64 @test(i64 %x) #0 {
  entry:
    %asm = tail call i64 asm sideeffect "$foo", "=r,0"(i64 %x) nounwind
    ret i64 %asm
  }

  attributes #0 = { nounwind }
...
---
name:            test
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi

  ; CHECK: [[@LINE+1]]:83: the tied-def operand #3 is already tied with another register operand
    INLINEASM $"$foo", 1, 2818058, def %rdi, 2147483657, killed %rdi(tied-def 3), killed %rdi(tied-def 3)
    %rax = COPY killed %rdi
    RETQ killed %rax
...