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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-pre-emit-peephole -amdgpu-skip-threshold=1000000 -o - %s | FileCheck %s
---
name: skip_branch_taildup_endpgm
machineFunctionInfo:
isEntryFunction: true
body: |
; CHECK-LABEL: name: skip_branch_taildup_endpgm
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: liveins: $vgpr0, $sgpr4_sgpr5, $sgpr7
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM renamable $sgpr4_sgpr5, 4, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
; CHECK-NEXT: renamable $vgpr0 = V_LSHLREV_B32_e32 2, killed $vgpr0, implicit $exec
; CHECK-NEXT: S_WAITCNT 127
; CHECK-NEXT: $vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $exec
; CHECK-NEXT: renamable $vgpr0 = V_ADD_CO_U32_e32 $sgpr0, killed $vgpr0, implicit-def $vcc, implicit $exec
; CHECK-NEXT: renamable $vgpr1 = V_ADDC_U32_e32 0, killed $vgpr1, implicit-def $vcc, implicit killed $vcc, implicit $exec
; CHECK-NEXT: renamable $vgpr0 = FLAT_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32), addrspace 1)
; CHECK-NEXT: renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
; CHECK-NEXT: S_WAITCNT 112
; CHECK-NEXT: V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
; CHECK-NEXT: $sgpr2_sgpr3 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: renamable $sgpr2_sgpr3 = S_XOR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def dead $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: liveins: $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_ENDPGM 0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr2 = V_MOV_B32_e32 15, implicit $exec
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
; CHECK-NEXT: $vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $sgpr0_sgpr1, implicit $exec
; CHECK-NEXT: renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr2 = V_MOV_B32_e32 8, implicit $exec
; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
; CHECK-NEXT: $vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit killed $sgpr0_sgpr1, implicit $exec
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1, %bb.2
liveins: $vgpr0, $sgpr4_sgpr5, $sgpr7
renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM renamable $sgpr4_sgpr5, 4, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
renamable $vgpr0 = V_LSHLREV_B32_e32 2, killed $vgpr0, implicit $exec
S_WAITCNT 127
$vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $exec
renamable $vgpr0 = V_ADD_CO_U32_e32 $sgpr0, killed $vgpr0, implicit-def $vcc, implicit $exec
renamable $vgpr1 = V_ADDC_U32_e32 0, killed $vgpr1, implicit-def $vcc, implicit killed $vcc, implicit $exec
renamable $vgpr0 = FLAT_LOAD_DWORD renamable $vgpr0_vgpr1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32), addrspace 1)
renamable $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM killed renamable $sgpr4_sgpr5, 0, 0 :: (dereferenceable invariant load (s64), align 16, addrspace 4)
S_WAITCNT 112
V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
$sgpr2_sgpr3 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
renamable $sgpr2_sgpr3 = S_XOR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def dead $scc
S_CBRANCH_EXECZ %bb.2, implicit $exec
S_BRANCH %bb.1
bb.2:
successors: %bb.3, %bb.4
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.4:
liveins: $sgpr2_sgpr3
$exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_ENDPGM 0
bb.1:
successors: %bb.3, %bb.4
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
renamable $vgpr2 = V_MOV_B32_e32 15, implicit $exec
$vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
$vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit $sgpr0_sgpr1, implicit $exec
renamable $sgpr2_sgpr3 = S_OR_SAVEEXEC_B64 killed renamable $sgpr2_sgpr3, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr2_sgpr3, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.3:
liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
renamable $vgpr2 = V_MOV_B32_e32 8, implicit $exec
$vgpr0 = V_MOV_B32_e32 $sgpr0, implicit $exec, implicit-def $vgpr0_vgpr1, implicit $sgpr0_sgpr1
$vgpr1 = V_MOV_B32_e32 $sgpr1, implicit $exec, implicit killed $sgpr0_sgpr1, implicit $exec
$exec = S_OR_B64 $exec, killed renamable $sgpr2_sgpr3, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_ENDPGM 0
...
---
name: skip_branch_taildup_ret
body: |
; CHECK-LABEL: name: skip_branch_taildup_ret
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: liveins: $vgpr0, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: S_WAITCNT 0
; CHECK-NEXT: V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
; CHECK-NEXT: $sgpr6_sgpr7 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: renamable $sgpr6_sgpr7 = S_XOR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def dead $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.1, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 15, implicit $exec
; CHECK-NEXT: renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: $exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: S_CBRANCH_EXECZ %bb.2, implicit $exec
; CHECK-NEXT: S_BRANCH %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 8, implicit $exec
; CHECK-NEXT: $exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
; CHECK-NEXT: renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
; CHECK-NEXT: S_SETPC_B64_return $sgpr30_sgpr31
bb.0:
successors: %bb.1, %bb.2
liveins: $vgpr0, $sgpr30_sgpr31, $vgpr1_vgpr2
S_WAITCNT 0
V_CMP_NE_U32_e32 0, killed $vgpr0, implicit-def $vcc, implicit $exec
$sgpr6_sgpr7 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
renamable $sgpr6_sgpr7 = S_XOR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def dead $scc
S_CBRANCH_EXECZ %bb.2, implicit $exec
S_BRANCH %bb.1
bb.2:
successors: %bb.3, %bb.4
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.4:
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31
$exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_SETPC_B64_return $sgpr30_sgpr31
bb.1:
successors: %bb.3, %bb.4
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
renamable $vgpr0 = V_MOV_B32_e32 15, implicit $exec
renamable $sgpr6_sgpr7 = S_OR_SAVEEXEC_B64 killed renamable $sgpr6_sgpr7, implicit-def $exec, implicit-def $scc, implicit $exec
$exec = S_XOR_B64 $exec, renamable $sgpr6_sgpr7, implicit-def $scc
S_CBRANCH_EXECZ %bb.4, implicit $exec
S_BRANCH %bb.3
bb.3:
liveins: $sgpr6_sgpr7, $sgpr30_sgpr31, $vgpr1_vgpr2
renamable $vgpr0 = V_MOV_B32_e32 8, implicit $exec
$exec = S_OR_B64 $exec, killed renamable $sgpr6_sgpr7, implicit-def $scc
renamable $vgpr0 = V_MOV_B32_e32 32, implicit $exec
S_SETPC_B64_return $sgpr30_sgpr31
...
|
