test/CodeGen/AMDGPU/fastregalloc-sgpr-only.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-before=regallocfast,0 --stop-after=regallocfast,0 -o - %s | FileCheck -check-prefix=GCN %s

---
name: copy_vgpr_allocation
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr4, $vgpr5
    ; GCN-LABEL: name: copy_vgpr_allocation
    ; GCN: liveins: $vgpr0, $vgpr1, $vgpr4, $vgpr5
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY killed $vgpr0_vgpr1
    ; GCN-NEXT: FLAT_STORE_DWORDX2 killed $vgpr4_vgpr5, [[COPY]], 0, 0, implicit $exec, implicit $flat_scr
    %14:vreg_64 = COPY $vgpr0_vgpr1
    FLAT_STORE_DWORDX2 $vgpr4_vgpr5, %14:vreg_64, 0, 0, implicit $exec, implicit $flat_scr
...


---
name: copy_sgpr_allocation
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr0, $sgpr1, $sgpr4
    ; GCN-LABEL: name: copy_sgpr_allocation
    ; GCN: liveins: $sgpr0, $sgpr1, $sgpr4
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: S_STORE_DWORD_SGPR killed $sgpr4, killed renamable $sgpr0_sgpr1, undef $m0, 0
    %14:sreg_64 = COPY $sgpr0_sgpr1
    S_STORE_DWORD_SGPR $sgpr4, %14:sreg_64, undef $m0, 0
...