# 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: $rdi ; CHECK: [[@LINE+1]]:58: use of invalid tied-def operand index '0'; the operand #0 isn't a defined register INLINEASM &"$foo", 1, 2818058, def $rdi, 2147483657, killed $rdi(tied-def 0) $rax = COPY killed $rdi RETQ killed $rax ...