aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/R600/si-triv-disjoint-mem-access.ll
blob: 2c146eb288d1622e61a1fdfd40ffaaf271b046ac (plain)
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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
; RUN: llc -march=r600 -mcpu=bonaire -verify-machineinstrs -enable-misched -enable-aa-sched-mi < %s | FileCheck -check-prefix=FUNC -check-prefix=CI %s

declare void @llvm.SI.tbuffer.store.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
declare void @llvm.SI.tbuffer.store.v4i32(<16 x i8>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32)
declare void @llvm.AMDGPU.barrier.local() #2


@stored_lds_ptr = addrspace(3) global i32 addrspace(3)* undef, align 4
@stored_constant_ptr = addrspace(3) global i32 addrspace(2)* undef, align 8
@stored_global_ptr = addrspace(3) global i32 addrspace(1)* undef, align 8

; FUNC-LABEL: @reorder_local_load_global_store_local_load
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; CI-NEXT: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:8
; CI: buffer_store_dword
define void @reorder_local_load_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
  %ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4

  %ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
  %ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2

  %tmp1 = load i32 addrspace(3)* %ptr1, align 4
  store i32 99, i32 addrspace(1)* %gptr, align 4
  %tmp2 = load i32 addrspace(3)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @no_reorder_local_load_volatile_global_store_local_load
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; CI: buffer_store_dword
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:8
define void @no_reorder_local_load_volatile_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
  %ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4

  %ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
  %ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2

  %tmp1 = load i32 addrspace(3)* %ptr1, align 4
  store volatile i32 99, i32 addrspace(1)* %gptr, align 4
  %tmp2 = load i32 addrspace(3)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @no_reorder_barrier_local_load_global_store_local_load
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:4
; CI: buffer_store_dword
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:8
define void @no_reorder_barrier_local_load_global_store_local_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
  %ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4

  %ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
  %ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2

  %tmp1 = load i32 addrspace(3)* %ptr1, align 4
  store i32 99, i32 addrspace(1)* %gptr, align 4
  call void @llvm.AMDGPU.barrier.local() #2
  %tmp2 = load i32 addrspace(3)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; Technically we could reorder these, but just comparing the
; instruction type of the load is insufficient.

; FUNC-LABEL: @no_reorder_constant_load_global_store_constant_load
; CI: buffer_load_dword
; CI: buffer_store_dword
; CI: buffer_load_dword
; CI: buffer_store_dword
define void @no_reorder_constant_load_global_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
  %ptr0 = load i32 addrspace(2)* addrspace(3)* @stored_constant_ptr, align 8

  %ptr1 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 1
  %ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2

  %tmp1 = load i32 addrspace(2)* %ptr1, align 4
  store i32 99, i32 addrspace(1)* %gptr, align 4
  %tmp2 = load i32 addrspace(2)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; XXX: Should be able to reorder this, but the laods count as ordered

; FUNC-LABEL: @reorder_constant_load_local_store_constant_load
; CI: buffer_load_dword
; CI: ds_write_b32
; CI: buffer_load_dword
; CI: buffer_store_dword
define void @reorder_constant_load_local_store_constant_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr) #0 {
  %ptr0 = load i32 addrspace(2)* addrspace(3)* @stored_constant_ptr, align 8

  %ptr1 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 1
  %ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2

  %tmp1 = load i32 addrspace(2)* %ptr1, align 4
  store i32 99, i32 addrspace(3)* %lptr, align 4
  %tmp2 = load i32 addrspace(2)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @reorder_smrd_load_local_store_smrd_load
; CI: s_load_dword
; CI: s_load_dword
; CI: s_load_dword
; CI: ds_write_b32
; CI: buffer_store_dword
define void @reorder_smrd_load_local_store_smrd_load(i32 addrspace(1)* %out, i32 addrspace(3)* noalias %lptr, i32 addrspace(2)* %ptr0) #0 {
  %ptr1 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 1
  %ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2

  %tmp1 = load i32 addrspace(2)* %ptr1, align 4
  store i32 99, i32 addrspace(3)* %lptr, align 4
  %tmp2 = load i32 addrspace(2)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @reorder_global_load_local_store_global_load
; CI: buffer_load_dword
; CI: buffer_load_dword
; CI: ds_write_b32
; CI: buffer_store_dword
define void @reorder_global_load_local_store_global_load(i32 addrspace(1)* %out, i32 addrspace(3)* %lptr, i32 addrspace(1)* %ptr0) #0 {
  %ptr1 = getelementptr inbounds i32 addrspace(1)* %ptr0, i64 1
  %ptr2 = getelementptr inbounds i32 addrspace(1)* %ptr0, i64 2

  %tmp1 = load i32 addrspace(1)* %ptr1, align 4
  store i32 99, i32 addrspace(3)* %lptr, align 4
  %tmp2 = load i32 addrspace(1)* %ptr2, align 4

  %add = add nsw i32 %tmp1, %tmp2

  store i32 %add, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @reorder_local_offsets
; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:12
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:400
; CI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:404
; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:400
; CI: ds_write_b32 {{v[0-9]+}}, {{v[0-9]+}} offset:404
; CI: buffer_store_dword
; CI: s_endpgm
define void @reorder_local_offsets(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* noalias nocapture readnone %gptr, i32 addrspace(3)* noalias nocapture %ptr0) #0 {
  %ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 3
  %ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 100
  %ptr3 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 101

  store i32 123, i32 addrspace(3)* %ptr1, align 4
  %tmp1 = load i32 addrspace(3)* %ptr2, align 4
  %tmp2 = load i32 addrspace(3)* %ptr3, align 4
  store i32 123, i32 addrspace(3)* %ptr2, align 4
  %tmp3 = load i32 addrspace(3)* %ptr1, align 4
  store i32 789, i32 addrspace(3)* %ptr3, align 4

  %add.0 = add nsw i32 %tmp2, %tmp1
  %add.1 = add nsw i32 %add.0, %tmp3
  store i32 %add.1, i32 addrspace(1)* %out, align 4
  ret void
}

; FUNC-LABEL: @reorder_global_offsets
; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0xc
; CI: buffer_load_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x190
; CI: buffer_load_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x194
; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x190
; CI: buffer_store_dword {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:0x194
; CI: buffer_store_dword
; CI: s_endpgm
define void @reorder_global_offsets(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* noalias nocapture readnone %gptr, i32 addrspace(1)* noalias nocapture %ptr0) #0 {
  %ptr1 = getelementptr inbounds i32 addrspace(1)* %ptr0, i32 3
  %ptr2 = getelementptr inbounds i32 addrspace(1)* %ptr0, i32 100
  %ptr3 = getelementptr inbounds i32 addrspace(1)* %ptr0, i32 101

  store i32 123, i32 addrspace(1)* %ptr1, align 4
  %tmp1 = load i32 addrspace(1)* %ptr2, align 4
  %tmp2 = load i32 addrspace(1)* %ptr3, align 4
  store i32 123, i32 addrspace(1)* %ptr2, align 4
  %tmp3 = load i32 addrspace(1)* %ptr1, align 4
  store i32 789, i32 addrspace(1)* %ptr3, align 4

  %add.0 = add nsw i32 %tmp2, %tmp1
  %add.1 = add nsw i32 %add.0, %tmp3
  store i32 %add.1, i32 addrspace(1)* %out, align 4
  ret void
}

; XFUNC-LABEL: @reorder_local_load_tbuffer_store_local_load
; XCI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}}, 0x4
; XCI: TBUFFER_STORE_FORMAT
; XCI: ds_read_b32 {{v[0-9]+}}, {{v[0-9]+}}, 0x8
; define void @reorder_local_load_tbuffer_store_local_load(i32 addrspace(1)* %out, i32 %a1, i32 %vaddr) #1 {
;   %ptr0 = load i32 addrspace(3)* addrspace(3)* @stored_lds_ptr, align 4

;   %ptr1 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 1
;   %ptr2 = getelementptr inbounds i32 addrspace(3)* %ptr0, i32 2

;   %tmp1 = load i32 addrspace(3)* %ptr1, align 4

;   %vdata = insertelement <4 x i32> undef, i32 %a1, i32 0
;   call void @llvm.SI.tbuffer.store.v4i32(<16 x i8> undef, <4 x i32> %vdata,
;         i32 4, i32 %vaddr, i32 0, i32 32, i32 14, i32 4, i32 1, i32 0, i32 1,
;         i32 1, i32 0)

;   %tmp2 = load i32 addrspace(3)* %ptr2, align 4

;   %add = add nsw i32 %tmp1, %tmp2

;   store i32 %add, i32 addrspace(1)* %out, align 4
;   ret void
; }

attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
attributes #1 = { "ShaderType"="1" nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
attributes #2 = { nounwind noduplicate }