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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 < %s | FileCheck -check-prefixes=GCN,GFX9 %s
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji < %s | FileCheck -check-prefixes=GCN,GFX8 %s
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 < %s | FileCheck -check-prefixes=GFX10 %s
; FIXME: promotion not handled without f16 insts
define half @v_constained_fsub_f16_fpexcept_strict(half %x, half %y) #0 {
; GCN-LABEL: v_constained_fsub_f16_fpexcept_strict:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_sub_f16_e32 v0, v0, v1
; GCN-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_f16_fpexcept_strict:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call half @llvm.experimental.constrained.fsub.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret half %val
}
define half @v_constained_fsub_f16_fpexcept_ignore(half %x, half %y) #0 {
; GCN-LABEL: v_constained_fsub_f16_fpexcept_ignore:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_sub_f16_e32 v0, v0, v1
; GCN-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_f16_fpexcept_ignore:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call half @llvm.experimental.constrained.fsub.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.ignore")
ret half %val
}
define half @v_constained_fsub_f16_fpexcept_maytrap(half %x, half %y) #0 {
; GCN-LABEL: v_constained_fsub_f16_fpexcept_maytrap:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_sub_f16_e32 v0, v0, v1
; GCN-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_f16_fpexcept_maytrap:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call half @llvm.experimental.constrained.fsub.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap")
ret half %val
}
define <2 x half> @v_constained_fsub_v2f16_fpexcept_strict(<2 x half> %x, <2 x half> %y) #0 {
; GFX9-LABEL: v_constained_fsub_v2f16_fpexcept_strict:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_sub_f16_sdwa v2, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX9-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX9-NEXT: v_lshl_or_b32 v0, v2, 16, v0
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_constained_fsub_v2f16_fpexcept_strict:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: v_sub_f16_sdwa v2, v0, v1 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX8-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX8-NEXT: v_or_b32_e32 v0, v0, v2
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_v2f16_fpexcept_strict:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v2, v0, v1
; GFX10-NEXT: v_sub_f16_sdwa v0, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX10-NEXT: v_and_b32_e32 v1, 0xffff, v2
; GFX10-NEXT: v_lshl_or_b32 v0, v0, 16, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call <2 x half> @llvm.experimental.constrained.fsub.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <2 x half> %val
}
define <2 x half> @v_constained_fsub_v2f16_fpexcept_ignore(<2 x half> %x, <2 x half> %y) #0 {
; GFX9-LABEL: v_constained_fsub_v2f16_fpexcept_ignore:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_sub_f16_sdwa v2, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX9-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX9-NEXT: v_lshl_or_b32 v0, v2, 16, v0
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_constained_fsub_v2f16_fpexcept_ignore:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: v_sub_f16_sdwa v2, v0, v1 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX8-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX8-NEXT: v_or_b32_e32 v0, v0, v2
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_v2f16_fpexcept_ignore:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v2, v0, v1
; GFX10-NEXT: v_sub_f16_sdwa v0, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX10-NEXT: v_and_b32_e32 v1, 0xffff, v2
; GFX10-NEXT: v_lshl_or_b32 v0, v0, 16, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call <2 x half> @llvm.experimental.constrained.fsub.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.ignore")
ret <2 x half> %val
}
define <2 x half> @v_constained_fsub_v2f16_fpexcept_maytrap(<2 x half> %x, <2 x half> %y) #0 {
; GFX9-LABEL: v_constained_fsub_v2f16_fpexcept_maytrap:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_sub_f16_sdwa v2, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX9-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX9-NEXT: v_lshl_or_b32 v0, v2, 16, v0
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_constained_fsub_v2f16_fpexcept_maytrap:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: v_sub_f16_sdwa v2, v0, v1 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX8-NEXT: v_sub_f16_e32 v0, v0, v1
; GFX8-NEXT: v_or_b32_e32 v0, v0, v2
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_v2f16_fpexcept_maytrap:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v2, v0, v1
; GFX10-NEXT: v_sub_f16_sdwa v0, v0, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX10-NEXT: v_and_b32_e32 v1, 0xffff, v2
; GFX10-NEXT: v_lshl_or_b32 v0, v0, 16, v1
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call <2 x half> @llvm.experimental.constrained.fsub.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap")
ret <2 x half> %val
}
define <3 x half> @v_constained_fsub_v3f16_fpexcept_strict(<3 x half> %x, <3 x half> %y) #0 {
; GFX9-LABEL: v_constained_fsub_v3f16_fpexcept_strict:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_sub_f16_sdwa v4, v0, v2 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX9-NEXT: v_sub_f16_e32 v0, v0, v2
; GFX9-NEXT: v_lshl_or_b32 v0, v4, 16, v0
; GFX9-NEXT: v_sub_f16_e32 v1, v1, v3
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_constained_fsub_v3f16_fpexcept_strict:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: v_sub_f16_sdwa v4, v0, v2 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX8-NEXT: v_sub_f16_e32 v0, v0, v2
; GFX8-NEXT: v_or_b32_e32 v0, v0, v4
; GFX8-NEXT: v_sub_f16_e32 v1, v1, v3
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_v3f16_fpexcept_strict:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_sub_f16_e32 v4, v0, v2
; GFX10-NEXT: v_sub_f16_sdwa v0, v0, v2 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX10-NEXT: v_sub_f16_e32 v1, v1, v3
; GFX10-NEXT: v_and_b32_e32 v2, 0xffff, v4
; GFX10-NEXT: v_lshl_or_b32 v0, v0, 16, v2
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call <3 x half> @llvm.experimental.constrained.fsub.v3f16(<3 x half> %x, <3 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <3 x half> %val
}
; FIXME: Scalarized
define <4 x half> @v_constained_fsub_v4f16_fpexcept_strict(<4 x half> %x, <4 x half> %y) #0 {
; GFX9-LABEL: v_constained_fsub_v4f16_fpexcept_strict:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_sub_f16_sdwa v4, v1, v3 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX9-NEXT: v_sub_f16_sdwa v5, v0, v2 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX9-NEXT: v_sub_f16_e32 v1, v1, v3
; GFX9-NEXT: v_sub_f16_e32 v0, v0, v2
; GFX9-NEXT: v_lshl_or_b32 v0, v5, 16, v0
; GFX9-NEXT: v_lshl_or_b32 v1, v4, 16, v1
; GFX9-NEXT: s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_constained_fsub_v4f16_fpexcept_strict:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: v_sub_f16_sdwa v4, v1, v3 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX8-NEXT: v_sub_f16_sdwa v5, v0, v2 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX8-NEXT: v_sub_f16_e32 v1, v1, v3
; GFX8-NEXT: v_sub_f16_e32 v0, v0, v2
; GFX8-NEXT: v_or_b32_e32 v0, v0, v5
; GFX8-NEXT: v_or_b32_e32 v1, v1, v4
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_constained_fsub_v4f16_fpexcept_strict:
; GFX10: ; %bb.0:
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0
; GFX10-NEXT: v_mov_b32_e32 v4, 0xffff
; GFX10-NEXT: v_sub_f16_e32 v5, v0, v2
; GFX10-NEXT: v_sub_f16_e32 v6, v1, v3
; GFX10-NEXT: v_sub_f16_sdwa v1, v1, v3 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX10-NEXT: v_sub_f16_sdwa v0, v0, v2 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; GFX10-NEXT: v_and_b32_e32 v2, v4, v5
; GFX10-NEXT: v_and_b32_e32 v3, v4, v6
; GFX10-NEXT: v_lshl_or_b32 v0, v0, 16, v2
; GFX10-NEXT: v_lshl_or_b32 v1, v1, 16, v3
; GFX10-NEXT: s_setpc_b64 s[30:31]
%val = call <4 x half> @llvm.experimental.constrained.fsub.v4f16(<4 x half> %x, <4 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <4 x half> %val
}
define amdgpu_ps half @s_constained_fsub_f16_fpexcept_strict(half inreg %x, half inreg %y) #0 {
; GCN-LABEL: s_constained_fsub_f16_fpexcept_strict:
; GCN: ; %bb.0:
; GCN-NEXT: v_mov_b32_e32 v0, s3
; GCN-NEXT: v_sub_f16_e32 v0, s2, v0
; GCN-NEXT: ; return to shader part epilog
;
; GFX10-LABEL: s_constained_fsub_f16_fpexcept_strict:
; GFX10: ; %bb.0:
; GFX10-NEXT: v_sub_f16_e64 v0, s2, s3
; GFX10-NEXT: ; return to shader part epilog
%val = call half @llvm.experimental.constrained.fsub.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret half %val
}
define amdgpu_ps <2 x half> @s_constained_fsub_v2f16_fpexcept_strict(<2 x half> inreg %x, <2 x half> inreg %y) #0 {
; GFX9-LABEL: s_constained_fsub_v2f16_fpexcept_strict:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_lshr_b32 s0, s3, 16
; GFX9-NEXT: s_lshr_b32 s1, s2, 16
; GFX9-NEXT: v_mov_b32_e32 v0, s0
; GFX9-NEXT: v_mov_b32_e32 v1, s3
; GFX9-NEXT: v_sub_f16_e32 v0, s1, v0
; GFX9-NEXT: v_sub_f16_e32 v1, s2, v1
; GFX9-NEXT: v_lshl_or_b32 v0, v0, 16, v1
; GFX9-NEXT: ; return to shader part epilog
;
; GFX8-LABEL: s_constained_fsub_v2f16_fpexcept_strict:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_lshr_b32 s0, s3, 16
; GFX8-NEXT: s_lshr_b32 s1, s2, 16
; GFX8-NEXT: v_mov_b32_e32 v0, s0
; GFX8-NEXT: v_mov_b32_e32 v1, s1
; GFX8-NEXT: v_sub_f16_sdwa v0, v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; GFX8-NEXT: v_mov_b32_e32 v1, s3
; GFX8-NEXT: v_sub_f16_e32 v1, s2, v1
; GFX8-NEXT: v_or_b32_e32 v0, v1, v0
; GFX8-NEXT: ; return to shader part epilog
;
; GFX10-LABEL: s_constained_fsub_v2f16_fpexcept_strict:
; GFX10: ; %bb.0:
; GFX10-NEXT: v_sub_f16_e64 v0, s2, s3
; GFX10-NEXT: s_lshr_b32 s0, s3, 16
; GFX10-NEXT: s_lshr_b32 s1, s2, 16
; GFX10-NEXT: v_sub_f16_e64 v1, s1, s0
; GFX10-NEXT: v_and_b32_e32 v0, 0xffff, v0
; GFX10-NEXT: v_lshl_or_b32 v0, v1, 16, v0
; GFX10-NEXT: ; return to shader part epilog
%val = call <2 x half> @llvm.experimental.constrained.fsub.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <2 x half> %val
}
declare half @llvm.experimental.constrained.fsub.f16(half, half, metadata, metadata) #1
declare <2 x half> @llvm.experimental.constrained.fsub.v2f16(<2 x half>, <2 x half>, metadata, metadata) #1
declare <3 x half> @llvm.experimental.constrained.fsub.v3f16(<3 x half>, <3 x half>, metadata, metadata) #1
declare <4 x half> @llvm.experimental.constrained.fsub.v4f16(<4 x half>, <4 x half>, metadata, metadata) #1
attributes #0 = { strictfp }
attributes #1 = { inaccessiblememonly nounwind willreturn }
|
