def-register-already-tied-error.mir
632 Bytes
# 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
...