File: fp-atomics-gfx940.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (289 lines) | stat: -rw-r--r-- 12,380 bytes parent folder | download | duplicates (3)
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
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=amdgcn -mcpu=gfx940 -global-isel -verify-machineinstrs | FileCheck %s -check-prefix=GFX940

declare float @llvm.amdgcn.flat.atomic.fadd.f32.p0.f32(ptr %ptr, float %data)
declare <2 x half> @llvm.amdgcn.flat.atomic.fadd.v2f16.p0.v2f16(ptr %ptr, <2 x half> %data)

; bf16 atomics use v2i16 argument since there is no bf16 data type in the llvm.
declare <2 x i16> @llvm.amdgcn.flat.atomic.fadd.v2bf16.p0(ptr %ptr, <2 x i16> %data)
declare <2 x i16> @llvm.amdgcn.global.atomic.fadd.v2bf16.p1(ptr addrspace(1) %ptr, <2 x i16> %data)
declare <2 x half> @llvm.amdgcn.ds.fadd.v2f16(ptr addrspace(3) %ptr, <2 x half> %data, i32, i32, i1)
declare <2 x i16> @llvm.amdgcn.ds.fadd.v2bf16(ptr addrspace(3) %ptr, <2 x i16> %data)

define amdgpu_kernel void @flat_atomic_fadd_f32_noret(ptr %ptr, float %data) {
; GFX940-LABEL: flat_atomic_fadd_f32_noret:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    s_load_dword s4, s[2:3], 0x2c
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b64_e32 v[0:1], s[0:1]
; GFX940-NEXT:    v_mov_b32_e32 v2, s4
; GFX940-NEXT:    flat_atomic_add_f32 v[0:1], v2
; GFX940-NEXT:    s_endpgm
  %ret = call float @llvm.amdgcn.flat.atomic.fadd.f32.p0.f32(ptr %ptr, float %data)
  ret void
}

define amdgpu_kernel void @flat_atomic_fadd_f32_noret_pat(ptr %ptr) {
; GFX940-LABEL: flat_atomic_fadd_f32_noret_pat:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    v_mov_b32_e32 v2, 4.0
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b64_e32 v[0:1], s[0:1]
; GFX940-NEXT:    buffer_wbl2 sc0 sc1
; GFX940-NEXT:    flat_atomic_add_f32 v[0:1], v2 sc1
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_inv sc0 sc1
; GFX940-NEXT:    s_endpgm
  %ret = atomicrmw fadd ptr %ptr, float 4.0 seq_cst
  ret void
}

define amdgpu_kernel void @flat_atomic_fadd_f32_noret_pat_ieee(ptr %ptr) #0 {
; GFX940-LABEL: flat_atomic_fadd_f32_noret_pat_ieee:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    v_mov_b32_e32 v2, 4.0
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b64_e32 v[0:1], s[0:1]
; GFX940-NEXT:    buffer_wbl2 sc0 sc1
; GFX940-NEXT:    flat_atomic_add_f32 v[0:1], v2 sc1
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_inv sc0 sc1
; GFX940-NEXT:    s_endpgm
  %ret = atomicrmw fadd ptr %ptr, float 4.0 seq_cst
  ret void
}

define float @flat_atomic_fadd_f32_rtn(ptr %ptr, float %data) {
; GFX940-LABEL: flat_atomic_fadd_f32_rtn:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    flat_atomic_add_f32 v0, v[0:1], v2 sc0
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = call float @llvm.amdgcn.flat.atomic.fadd.f32.p0.f32(ptr %ptr, float %data)
  ret float %ret
}

define float @flat_atomic_fadd_f32_rtn_pat(ptr %ptr, float %data) {
; GFX940-LABEL: flat_atomic_fadd_f32_rtn_pat:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    v_mov_b32_e32 v2, 4.0
; GFX940-NEXT:    buffer_wbl2 sc0 sc1
; GFX940-NEXT:    flat_atomic_add_f32 v0, v[0:1], v2 sc0 sc1
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_inv sc0 sc1
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = atomicrmw fadd ptr %ptr, float 4.0 seq_cst
  ret float %ret
}

define amdgpu_kernel void @flat_atomic_fadd_v2f16_noret(ptr %ptr, <2 x half> %data) {
; GFX940-LABEL: flat_atomic_fadd_v2f16_noret:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    s_load_dword s4, s[2:3], 0x2c
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b64_e32 v[0:1], s[0:1]
; GFX940-NEXT:    v_mov_b32_e32 v2, s4
; GFX940-NEXT:    flat_atomic_pk_add_f16 v[0:1], v2
; GFX940-NEXT:    s_endpgm
  %ret = call <2 x half> @llvm.amdgcn.flat.atomic.fadd.v2f16.p0.v2f16(ptr %ptr, <2 x half> %data)
  ret void
}

define <2 x half> @flat_atomic_fadd_v2f16_rtn(ptr %ptr, <2 x half> %data) {
; GFX940-LABEL: flat_atomic_fadd_v2f16_rtn:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    flat_atomic_pk_add_f16 v0, v[0:1], v2 sc0
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = call <2 x half> @llvm.amdgcn.flat.atomic.fadd.v2f16.p0.v2f16(ptr %ptr, <2 x half> %data)
  ret <2 x half> %ret
}

define amdgpu_kernel void @flat_atomic_fadd_v2bf16_noret(ptr %ptr, <2 x i16> %data) {
; GFX940-LABEL: flat_atomic_fadd_v2bf16_noret:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    s_load_dword s4, s[2:3], 0x2c
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b64_e32 v[0:1], s[0:1]
; GFX940-NEXT:    v_mov_b32_e32 v2, s4
; GFX940-NEXT:    flat_atomic_pk_add_bf16 v[0:1], v2
; GFX940-NEXT:    s_endpgm
  %ret = call <2 x i16> @llvm.amdgcn.flat.atomic.fadd.v2bf16.p0(ptr %ptr, <2 x i16> %data)
  ret void
}

define <2 x i16> @flat_atomic_fadd_v2bf16_rtn(ptr %ptr, <2 x i16> %data) {
; GFX940-LABEL: flat_atomic_fadd_v2bf16_rtn:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    flat_atomic_pk_add_bf16 v0, v[0:1], v2 sc0
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = call <2 x i16> @llvm.amdgcn.flat.atomic.fadd.v2bf16.p0(ptr %ptr, <2 x i16> %data)
  ret <2 x i16> %ret
}

define amdgpu_kernel void @global_atomic_fadd_v2bf16_noret(ptr addrspace(1) %ptr, <2 x i16> %data) {
; GFX940-LABEL: global_atomic_fadd_v2bf16_noret:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dword s4, s[2:3], 0x2c
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    v_mov_b32_e32 v1, 0
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b32_e32 v0, s4
; GFX940-NEXT:    global_atomic_pk_add_bf16 v1, v0, s[0:1]
; GFX940-NEXT:    s_endpgm
  %ret = call <2 x i16> @llvm.amdgcn.global.atomic.fadd.v2bf16.p1(ptr addrspace(1) %ptr, <2 x i16> %data)
  ret void
}

define <2 x i16> @global_atomic_fadd_v2bf16_rtn(ptr addrspace(1) %ptr, <2 x i16> %data) {
; GFX940-LABEL: global_atomic_fadd_v2bf16_rtn:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    global_atomic_pk_add_bf16 v0, v[0:1], v2, off sc0
; GFX940-NEXT:    s_waitcnt vmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = call <2 x i16> @llvm.amdgcn.global.atomic.fadd.v2bf16.p1(ptr addrspace(1) %ptr, <2 x i16> %data)
  ret <2 x i16> %ret
}

define amdgpu_kernel void @local_atomic_fadd_v2f16_noret(ptr addrspace(3) %ptr, <2 x half> %data) {
; GFX940-LABEL: local_atomic_fadd_v2f16_noret:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b32_e32 v0, s0
; GFX940-NEXT:    v_mov_b32_e32 v1, s1
; GFX940-NEXT:    ds_pk_add_f16 v0, v1
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    s_endpgm
  %ret = call <2 x half> @llvm.amdgcn.ds.fadd.v2f16(ptr addrspace(3) %ptr, <2 x half> %data, i32 0, i32 0, i1 0)
  ret void
}

define <2 x half> @local_atomic_fadd_v2f16_rtn(ptr addrspace(3) %ptr, <2 x half> %data) {
; GFX940-LABEL: local_atomic_fadd_v2f16_rtn:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    ds_pk_add_rtn_f16 v0, v0, v1
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = call <2 x half> @llvm.amdgcn.ds.fadd.v2f16(ptr addrspace(3) %ptr, <2 x half> %data, i32 0, i32 0, i1 0)
  ret <2 x half> %ret
}

define amdgpu_kernel void @local_atomic_fadd_v2bf16_noret(ptr addrspace(3) %ptr, <2 x i16> %data) {
; GFX940-LABEL: local_atomic_fadd_v2bf16_noret:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    v_mov_b32_e32 v0, s0
; GFX940-NEXT:    v_mov_b32_e32 v1, s1
; GFX940-NEXT:    ds_pk_add_f16 v0, v1
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    s_endpgm
  %ret = call <2 x i16> @llvm.amdgcn.ds.fadd.v2bf16(ptr addrspace(3) %ptr, <2 x i16> %data)
  ret void
}

define <2 x i16> @local_atomic_fadd_v2bf16_rtn(ptr addrspace(3) %ptr, <2 x i16> %data) {
; GFX940-LABEL: local_atomic_fadd_v2bf16_rtn:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    ds_pk_add_rtn_f16 v0, v0, v1
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %ret = call <2 x i16> @llvm.amdgcn.ds.fadd.v2bf16(ptr addrspace(3) %ptr, <2 x i16> %data)
  ret <2 x i16> %ret
}

define <2 x half> @local_atomic_fadd_ret_v2f16_offset(ptr addrspace(3) %ptr, <2 x half> %val) {
; GFX940-LABEL: local_atomic_fadd_ret_v2f16_offset:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    ds_pk_add_rtn_f16 v0, v0, v1 offset:65532
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %gep = getelementptr <2 x half>, ptr addrspace(3) %ptr, i32 16383
  %result = atomicrmw fadd ptr addrspace(3) %gep, <2 x half> %val seq_cst
  ret <2 x half> %result
}

define void @local_atomic_fadd_noret_v2f16_offset(ptr addrspace(3) %ptr, <2 x half> %val) {
; GFX940-LABEL: local_atomic_fadd_noret_v2f16_offset:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    ds_pk_add_f16 v0, v1 offset:65532
; GFX940-NEXT:    s_waitcnt lgkmcnt(0)
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %gep = getelementptr <2 x half>, ptr addrspace(3) %ptr, i32 16383
  %unused = atomicrmw fadd ptr addrspace(3) %gep, <2 x half> %val seq_cst
  ret void
}

define <2 x half> @global_atomic_fadd_ret_v2f16_agent_offset(ptr addrspace(1) %ptr, <2 x half> %val) {
; GFX940-LABEL: global_atomic_fadd_ret_v2f16_agent_offset:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_wbl2 sc1
; GFX940-NEXT:    global_atomic_pk_add_f16 v0, v[0:1], v2, off offset:1024 sc0
; GFX940-NEXT:    s_waitcnt vmcnt(0)
; GFX940-NEXT:    buffer_inv sc1
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %gep = getelementptr <2 x half>, ptr addrspace(1) %ptr, i32 256
  %result = atomicrmw fadd ptr addrspace(1) %gep, <2 x half> %val syncscope("agent") seq_cst
  ret <2 x half> %result
}

define void @global_atomic_fadd_noret_v2f16_agent_offset(ptr addrspace(1) %ptr, <2 x half> %val) {
; GFX940-LABEL: global_atomic_fadd_noret_v2f16_agent_offset:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_wbl2 sc1
; GFX940-NEXT:    global_atomic_pk_add_f16 v[0:1], v2, off offset:1024
; GFX940-NEXT:    s_waitcnt vmcnt(0)
; GFX940-NEXT:    buffer_inv sc1
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %gep = getelementptr <2 x half>, ptr addrspace(1) %ptr, i32 256
  %unused = atomicrmw fadd ptr addrspace(1) %gep, <2 x half> %val syncscope("agent") seq_cst
  ret void
}

define <2 x half> @flat_atomic_fadd_ret_v2f16_agent_offset(ptr %ptr, <2 x half> %val) {
; GFX940-LABEL: flat_atomic_fadd_ret_v2f16_agent_offset:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_wbl2 sc1
; GFX940-NEXT:    flat_atomic_pk_add_f16 v0, v[0:1], v2 offset:1024 sc0
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_inv sc1
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %gep = getelementptr <2 x half>, ptr %ptr, i32 256
  %result = atomicrmw fadd ptr %gep, <2 x half> %val syncscope("agent") seq_cst
  ret <2 x half> %result
}

define void @flat_atomic_fadd_noret_v2f16_agent_offset(ptr %ptr, <2 x half> %val) {
; GFX940-LABEL: flat_atomic_fadd_noret_v2f16_agent_offset:
; GFX940:       ; %bb.0:
; GFX940-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_wbl2 sc1
; GFX940-NEXT:    flat_atomic_pk_add_f16 v[0:1], v2 offset:1024
; GFX940-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
; GFX940-NEXT:    buffer_inv sc1
; GFX940-NEXT:    s_setpc_b64 s[30:31]
  %gep = getelementptr <2 x half>, ptr %ptr, i32 256
  %unused = atomicrmw fadd ptr %gep, <2 x half> %val syncscope("agent") seq_cst
  ret void
}

attributes #0 = { "denormal-fp-math-f32"="ieee,ieee" }