xref: /llvm-project/llvm/test/CodeGen/AMDGPU/dummy-regalloc-priority-advisor.mir (revision 11e482c4a32be6a315e5bf2ae7599cf10eb84836)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
2# 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
3# 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
4
5# Check that the regalloc-enable-priority-advisor=dummy option works
6# and the result is different from the default. Ordinarily %1 would be
7# prioritized higher than %0 due to the register class priority
8
9---
10name:            foo
11tracksRegLiveness: true
12machineFunctionInfo:
13  scratchRSrcReg:  '$sgpr0_sgpr1_sgpr2_sgpr3'
14  frameOffsetReg:  '$sgpr33'
15  stackPtrOffsetReg: '$sgpr32'
16registers:
17  - { id: 0, class: vgpr_32 }
18  - { id: 1, class: vreg_128 }
19  - { id: 2, class: vgpr_32 }
20body:             |
21  bb.0:
22    liveins: $vgpr0, $vgpr1
23
24    ; DEFAULT-LABEL: name: foo
25    ; DEFAULT: liveins: $vgpr0, $vgpr1
26    ; DEFAULT-NEXT: {{  $}}
27    ; 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)
28    ; DEFAULT-NEXT: SI_SPILL_V32_SAVE $vgpr0, %stack.1, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5)
29    ; DEFAULT-NEXT: S_NOP 0, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3
30    ; 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)
31    ; DEFAULT-NEXT: renamable $vgpr3 = SI_SPILL_V32_RESTORE %stack.1, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.1, addrspace 5)
32    ; DEFAULT-NEXT: renamable $vgpr3 = V_ADD_U32_e32 killed $vgpr2, killed $vgpr3, implicit $exec
33    ; DEFAULT-NEXT: SI_RETURN implicit $vgpr3, implicit $vgpr0, implicit $vgpr1
34    ;
35    ; DUMMY-LABEL: name: foo
36    ; DUMMY: liveins: $vgpr0, $vgpr1
37    ; DUMMY-NEXT: {{  $}}
38    ; 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)
39    ; DUMMY-NEXT: SI_SPILL_V32_SAVE $vgpr0, %stack.0, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.0, addrspace 5)
40    ; DUMMY-NEXT: S_NOP 0, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3
41    ; DUMMY-NEXT: renamable $vgpr2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, addrspace 5)
42    ; 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)
43    ; DUMMY-NEXT: renamable $vgpr3 = V_ADD_U32_e32 killed $vgpr3, killed $vgpr2, implicit $exec
44    ; DUMMY-NEXT: SI_RETURN implicit $vgpr3, implicit $vgpr0, implicit $vgpr1
45    undef %1.sub0:vreg_128 = COPY $vgpr1
46    %0:vgpr_32 = COPY $vgpr0
47    S_NOP 0, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3
48    %2:vgpr_32 = V_ADD_U32_e32 %1.sub0, %0, implicit $exec
49    $vgpr3 = COPY %2
50    SI_RETURN implicit $vgpr3, implicit $vgpr0, implicit $vgpr1
51
52...
53
54# CHECK: {{.*}}
55