| # RUN: llc -verify-machineinstrs -run-pass=livedebugvars -o - %s | FileCheck %s | 
 | # REQUIRES: aarch64-registered-target | 
 |  | 
 | --- | | 
 |  | 
 |   target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" | 
 |   target triple = "aarch64--" | 
 |   define i64 @test() { ret i64 0 } | 
 |  | 
 | ... | 
 |  | 
 | --- | 
 | name: test | 
 | tracksRegLiveness: true | 
 | registers: | 
 |   - { id: 0, class: _ } | 
 |   - { id: 1, class: gpr64 } | 
 | body: | | 
 |   bb.0: | 
 |    ; CHECK-LABEL: bb.0 | 
 |    ; CHECK-NEXT:   %1:gpr64(s64) = G_CONSTANT i64 0 | 
 |    ; CHECK-NEXT:   RET %1(s64) | 
 |    DBG_VALUE %0, $noreg, $noreg, $noreg, $noreg | 
 |    %1(s64) = G_CONSTANT i64 0 | 
 |    RET %1 | 
 | ... |