llvm/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir

# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s

# CHECK-LABEL: name: empty_entry_block
# CHECK: SI_SPILL_S32_TO_VGPR
# CHECK-NEXT: SI_SPILL_S32_TO_VGPR
# CHECK-NEXT: SI_SPILL_S32_TO_VGPR
# CHECK-NEXT: SI_SPILL_S32_TO_VGPR
# CHECK: SI_RESTORE_S32_FROM_VGPR
# CHECK-NEXT: SI_RESTORE_S32_FROM_VGPR
# CHECK-NEXT: SI_RESTORE_S32_FROM_VGPR
# CHECK-NEXT: SI_RESTORE_S32_FROM_VGPR
---
name:            empty_entry_block
body: |
  bb.0:

  bb.1:
    renamable $sgpr36_sgpr37 = S_XOR_B64 renamable $vcc, -1, implicit-def dead $scc
    $sgpr34_sgpr35 = S_AND_SAVEEXEC_B64 $sgpr36_sgpr37, implicit-def $exec, implicit-def $scc, implicit $exec
    S_ENDPGM 0