llvm/test/CodeGen/AMDGPU/dummy-regalloc-priority-advisor.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-before=greedy,2 -stress-regalloc=4 -stop-after=virtregrewriter,2 -regalloc-enable-priority-advisor=default -o - %s | FileCheck -check-prefixes=CHECK,DEFAULT %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -start-before=greedy,2 -stress-regalloc=4 -stop-after=virtregrewriter,2 -regalloc-enable-priority-advisor=dummy -o - %s | FileCheck -check-prefixes=CHECK,DUMMY %s

# Check that the regalloc-enable-priority-advisor=dummy option works
# and the result is different from the default. Ordinarily %1 would be
# prioritized higher than %0 due to the register class priority

---
name:            foo
tracksRegLiveness: true
machineFunctionInfo:
  scratchRSrcReg:  '$sgpr0_sgpr1_sgpr2_sgpr3'
  frameOffsetReg:  '$sgpr33'
  stackPtrOffsetReg: '$sgpr32'
registers:
  - { id: 0, class: vgpr_32 }
  - { id: 1, class: vreg_128 }
  - { id: 2, class: vgpr_32 }
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; DEFAULT-LABEL: name: foo
    ; DEFAULT: liveins: $vgpr0, $vgpr1
    ; DEFAULT-NEXT: {{  $}}
    ; DEFAULT-NEXT: SI_SPILL_V128_SAVE $vgpr1_vgpr2_vgpr3_vgpr4, %stack.0, $sgpr32, 0, implicit $exec :: (store (s128) into %stack.0, align 4, addrspace 5)
    ; DEFAULT-NEXT: SI_SPILL_V32_SAVE $vgpr0, %stack.1, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5)
    ; DEFAULT-NEXT: S_NOP 0, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3
    ; DEFAULT-NEXT: renamable $vgpr2_vgpr3_vgpr4_vgpr5 = SI_SPILL_V128_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s128) from %stack.0, align 4, addrspace 5)
    ; DEFAULT-NEXT: renamable $vgpr3 = SI_SPILL_V32_RESTORE %stack.1, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.1, addrspace 5)
    ; DEFAULT-NEXT: renamable $vgpr3 = V_ADD_U32_e32 killed $vgpr2, killed $vgpr3, implicit $exec
    ; DEFAULT-NEXT: SI_RETURN implicit $vgpr3, implicit $vgpr0, implicit $vgpr1
    ;
    ; DUMMY-LABEL: name: foo
    ; DUMMY: liveins: $vgpr0, $vgpr1
    ; DUMMY-NEXT: {{  $}}
    ; DUMMY-NEXT: SI_SPILL_V128_SAVE $vgpr1_vgpr2_vgpr3_vgpr4, %stack.1, $sgpr32, 0, implicit $exec :: (store (s128) into %stack.1, align 4, addrspace 5)
    ; DUMMY-NEXT: SI_SPILL_V32_SAVE $vgpr0, %stack.0, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
    ; DUMMY-NEXT: S_NOP 0, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3
    ; DUMMY-NEXT: renamable $vgpr2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5)
    ; DUMMY-NEXT: renamable $vgpr3_vgpr4_vgpr5_vgpr6 = SI_SPILL_V128_RESTORE %stack.1, $sgpr32, 0, implicit $exec :: (load (s128) from %stack.1, align 4, addrspace 5)
    ; DUMMY-NEXT: renamable $vgpr3 = V_ADD_U32_e32 killed $vgpr3, killed $vgpr2, implicit $exec
    ; DUMMY-NEXT: SI_RETURN implicit $vgpr3, implicit $vgpr0, implicit $vgpr1
    undef %1.sub0:vreg_128 = COPY $vgpr1
    %0:vgpr_32 = COPY $vgpr0
    S_NOP 0, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3
    %2:vgpr_32 = V_ADD_U32_e32 %1.sub0, %0, implicit $exec
    $vgpr3 = COPY %2
    SI_RETURN implicit $vgpr3, implicit $vgpr0, implicit $vgpr1

...

# CHECK: {{.*}}