llvm/test/CodeGen/SystemZ/rda-stack-copy.mir

# RUN: llc %s -mtriple=s390x-linux-gnu --passes='print<reaching-def>'  -o - 2>&1 | FileCheck %s

---
name:            test0
tracksRegLiveness: true
stack:
  - { id: 0, name: '', type: default, offset: 0, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, name: '', type: default, offset: 0, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
body:             |
  ; CHECK-LABEL: Reaching definitions for for machine function: test0
  ; CHECK-NEXT: %bb.0:
  ; CHECK-NEXT: %stack.1:{ }
  ; CHECK-NEXT: %stack.0:{ }
  ; CHECK-NEXT: 0: MVC %stack.1, 0, 4, %stack.0, 0 :: (store (s32) into %stack.1), (load (s32) from %stack.0)
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: %stack.1:{ 0 }
  ; CHECK-NEXT: 1: $r2l = L %stack.1, 0, $noreg
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: implicit $r2l:{ 1 }
  ; CHECK-NEXT: 2: Return implicit $r2l

  bb.0:
    MVC %stack.1, 0 , 4, %stack.0, 0:: (store (s32) into %stack.1), (load (s32) from %stack.0)
    $r2l = L %stack.1, 0, $noreg
    Return implicit $r2l

...