llvm/llvm/test/CodeGen/AMDGPU/asm-printer-check-vcc.mir

# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-after=livedebugvalues -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s

# GCN-LABEL: foo:
# GCN: s_getpc_b64 vcc
# GCN: s_add_u32 vcc_lo, vcc_lo, bar@rel32@lo+4
# GCN: s_addc_u32 vcc_hi, vcc_hi, bar@rel32@hi+12
--- |
  define amdgpu_kernel void @foo() {
    ret void
  }
  @bar = external protected local_unnamed_addr addrspace(4) externally_initialized global i32, align 4
---
name: foo
tracksRegLiveness: true
frameInfo:
  hasCalls: true
body: |
  bb.0:
    BUNDLE implicit-def $vcc, implicit-def $vcc_lo, implicit-def $vcc_lo_lo16, implicit-def $vcc_lo_hi16, implicit-def $vcc_hi, implicit-def $vcc_hi_lo16, implicit-def $vcc_hi_hi16, implicit-def $scc {
      $vcc = S_GETPC_B64
      $vcc_lo = S_ADD_U32 internal $vcc_lo, target-flags(amdgpu-rel32-lo) @bar + 4, implicit-def $scc
      $vcc_hi = S_ADDC_U32 internal $vcc_hi, target-flags(amdgpu-rel32-hi) @bar + 12, implicit-def $scc, implicit internal $scc
    }