1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -start-before=si-lower-sgpr-spills -stop-after=prologepilog -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
# Make sure the initial first $sgpr1 = COPY $sgpr2 copy is not deleted
# by the copy propagation after lowering the spill.
---
name: spill_sgpr128_use_subreg
tracksRegLiveness: true
machineFunctionInfo:
hasSpilledSGPRs: true
scratchRSrcReg: $sgpr100_sgpr101_sgpr102_sgpr103
stackPtrOffsetReg: $sgpr32
stack:
- { id: 0, stack-id: sgpr-spill, type: spill-slot, size: 16, alignment: 4 }
body: |
bb.0:
liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $vgpr0, $vgpr1, $vgpr2, $vgpr3
; GCN-LABEL: name: spill_sgpr128_use_subreg
; GCN: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $vgpr0, $vgpr1, $vgpr2, $vgpr3
; GCN-NEXT: {{ $}}
; GCN-NEXT: $sgpr8_sgpr9 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5)
; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr8_sgpr9
; GCN-NEXT: renamable $vgpr0 = IMPLICIT_DEF
; GCN-NEXT: renamable $sgpr1 = COPY $sgpr2
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr0, 0, killed $vgpr0, implicit-def $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr0_sgpr1_sgpr2_sgpr3
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr1, 1, killed $vgpr0
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr2, 2, killed $vgpr0
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr3, 3, killed $vgpr0, implicit $sgpr0_sgpr1_sgpr2_sgpr3
; GCN-NEXT: renamable $sgpr8 = COPY renamable $sgpr1
; GCN-NEXT: KILL killed renamable $vgpr0
; GCN-NEXT: $sgpr0_sgpr1 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
; GCN-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.1, addrspace 5)
; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr0_sgpr1
; GCN-NEXT: S_ENDPGM 0, implicit $sgpr8
renamable $sgpr1 = COPY $sgpr2
SI_SPILL_S128_SAVE renamable $sgpr0_sgpr1_sgpr2_sgpr3, %stack.0, implicit $exec, implicit $sgpr32 :: (store (s128) into %stack.0, align 4, addrspace 5)
renamable $sgpr8 = COPY killed renamable $sgpr1
S_ENDPGM 0, implicit $sgpr8
...
---
name: spill_sgpr128_use_kill
tracksRegLiveness: true
machineFunctionInfo:
hasSpilledSGPRs: true
scratchRSrcReg: $sgpr100_sgpr101_sgpr102_sgpr103
stackPtrOffsetReg: $sgpr32
stack:
- { id: 0, stack-id: sgpr-spill, type: spill-slot, size: 16, alignment: 4 }
body: |
bb.0:
liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $vgpr0, $vgpr1, $vgpr2, $vgpr3
; GCN-LABEL: name: spill_sgpr128_use_kill
; GCN: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $vgpr0, $vgpr1, $vgpr2, $vgpr3
; GCN-NEXT: {{ $}}
; GCN-NEXT: $sgpr8_sgpr9 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 0, 0, 0, implicit $exec :: (store (s32) into %stack.1, addrspace 5)
; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr8_sgpr9
; GCN-NEXT: renamable $vgpr0 = IMPLICIT_DEF
; GCN-NEXT: renamable $sgpr1 = COPY $sgpr2
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr0, 0, killed $vgpr0, implicit-def $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr0_sgpr1_sgpr2_sgpr3
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr1, 1, killed $vgpr0
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr2, 2, killed $vgpr0
; GCN-NEXT: renamable $vgpr0 = SI_SPILL_S32_TO_VGPR $sgpr3, 3, killed $vgpr0, implicit $sgpr0_sgpr1_sgpr2_sgpr3
; GCN-NEXT: KILL killed renamable $vgpr0
; GCN-NEXT: $sgpr0_sgpr1 = S_XOR_SAVEEXEC_B64 -1, implicit-def $exec, implicit-def dead $scc, implicit $exec
; GCN-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 0, 0, 0, implicit $exec :: (load (s32) from %stack.1, addrspace 5)
; GCN-NEXT: $exec = S_MOV_B64 killed $sgpr0_sgpr1
; GCN-NEXT: S_ENDPGM 0
renamable $sgpr1 = COPY $sgpr2
SI_SPILL_S128_SAVE renamable killed $sgpr0_sgpr1_sgpr2_sgpr3, %stack.0, implicit $exec, implicit $sgpr32 :: (store (s128) into %stack.0, align 4, addrspace 5)
S_ENDPGM 0
...
---
name: spill_vgpr128_use_subreg
tracksRegLiveness: true
machineFunctionInfo:
scratchRSrcReg: $sgpr100_sgpr101_sgpr102_sgpr103
stackPtrOffsetReg: $sgpr32
stack:
- { id: 0, type: spill-slot, size: 16, alignment: 4 }
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
; GCN-LABEL: name: spill_vgpr128_use_subreg
; GCN: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
; GCN-NEXT: {{ $}}
; GCN-NEXT: renamable $vgpr1 = COPY $vgpr2, implicit $exec
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 0, 0, 0, implicit $exec, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3, implicit $vgpr0_vgpr1_vgpr2_vgpr3 :: (store (s32) into %stack.0, addrspace 5)
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr1, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 4, 0, 0, implicit $exec :: (store (s32) into %stack.0 + 4, addrspace 5)
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr2, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 8, 0, 0, implicit $exec :: (store (s32) into %stack.0 + 8, addrspace 5)
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr3, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 12, 0, 0, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3 :: (store (s32) into %stack.0 + 12, addrspace 5)
; GCN-NEXT: renamable $vgpr8 = COPY $vgpr2, implicit $exec
; GCN-NEXT: S_ENDPGM 0, implicit $vgpr8
renamable $vgpr1 = COPY $vgpr2
SI_SPILL_V128_SAVE renamable $vgpr0_vgpr1_vgpr2_vgpr3, %stack.0, $sgpr32, 0, implicit $exec :: (store (s128) into %stack.0, align 4, addrspace 5)
renamable $vgpr8 = COPY killed renamable $vgpr1
S_ENDPGM 0, implicit $vgpr8
...
---
name: spill_vgpr128_use_kill
tracksRegLiveness: true
machineFunctionInfo:
scratchRSrcReg: $sgpr100_sgpr101_sgpr102_sgpr103
stackPtrOffsetReg: $sgpr32
stack:
- { id: 0, type: spill-slot, size: 16, alignment: 4 }
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
; GCN-LABEL: name: spill_vgpr128_use_kill
; GCN: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
; GCN-NEXT: {{ $}}
; GCN-NEXT: renamable $vgpr1 = COPY $vgpr2, implicit $exec
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 0, 0, 0, implicit $exec, implicit-def $vgpr0_vgpr1_vgpr2_vgpr3, implicit $vgpr0_vgpr1_vgpr2_vgpr3 :: (store (s32) into %stack.0, addrspace 5)
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr1, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 4, 0, 0, implicit $exec :: (store (s32) into %stack.0 + 4, addrspace 5)
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr2, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 8, 0, 0, implicit $exec :: (store (s32) into %stack.0 + 8, addrspace 5)
; GCN-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr3, $sgpr100_sgpr101_sgpr102_sgpr103, $sgpr32, 12, 0, 0, implicit $exec, implicit $vgpr0_vgpr1_vgpr2_vgpr3 :: (store (s32) into %stack.0 + 12, addrspace 5)
; GCN-NEXT: S_ENDPGM 0
renamable $vgpr1 = COPY $vgpr2
SI_SPILL_V128_SAVE renamable killed $vgpr0_vgpr1_vgpr2_vgpr3, %stack.0, $sgpr32, 0, implicit $exec :: (store (s128) into %stack.0, align 4, addrspace 5)
S_ENDPGM 0
...
|
