xref: /llvm-project/llvm/test/CodeGen/AMDGPU/strict_fadd.f16.ll (revision f2c164c8150548d983565c4ddc0fde790f9e2a5b)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 < %s | FileCheck -check-prefixes=GCN,GFX9 %s
3; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji < %s | FileCheck -check-prefixes=GCN,GFX8 %s
4; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 < %s | FileCheck -check-prefixes=GFX10PLUS,GFX10 %s
5; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1100 -amdgpu-enable-delay-alu=0 < %s | FileCheck -check-prefixes=GFX10PLUS,GFX11 %s
6; FIXME: promotion not handled without f16 insts
7
8define half @v_constained_fadd_f16_fpexcept_strict(half %x, half %y) #0 {
9; GCN-LABEL: v_constained_fadd_f16_fpexcept_strict:
10; GCN:       ; %bb.0:
11; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
12; GCN-NEXT:    v_add_f16_e32 v0, v0, v1
13; GCN-NEXT:    s_setpc_b64 s[30:31]
14;
15; GFX10PLUS-LABEL: v_constained_fadd_f16_fpexcept_strict:
16; GFX10PLUS:       ; %bb.0:
17; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
18; GFX10PLUS-NEXT:    v_add_f16_e32 v0, v0, v1
19; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
20  %val = call half @llvm.experimental.constrained.fadd.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
21  ret half %val
22}
23
24define half @v_constained_fadd_f16_fpexcept_ignore(half %x, half %y) #0 {
25; GCN-LABEL: v_constained_fadd_f16_fpexcept_ignore:
26; GCN:       ; %bb.0:
27; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
28; GCN-NEXT:    v_add_f16_e32 v0, v0, v1
29; GCN-NEXT:    s_setpc_b64 s[30:31]
30;
31; GFX10PLUS-LABEL: v_constained_fadd_f16_fpexcept_ignore:
32; GFX10PLUS:       ; %bb.0:
33; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
34; GFX10PLUS-NEXT:    v_add_f16_e32 v0, v0, v1
35; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
36  %val = call half @llvm.experimental.constrained.fadd.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.ignore")
37  ret half %val
38}
39
40define half @v_constained_fadd_f16_fpexcept_maytrap(half %x, half %y) #0 {
41; GCN-LABEL: v_constained_fadd_f16_fpexcept_maytrap:
42; GCN:       ; %bb.0:
43; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
44; GCN-NEXT:    v_add_f16_e32 v0, v0, v1
45; GCN-NEXT:    s_setpc_b64 s[30:31]
46;
47; GFX10PLUS-LABEL: v_constained_fadd_f16_fpexcept_maytrap:
48; GFX10PLUS:       ; %bb.0:
49; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
50; GFX10PLUS-NEXT:    v_add_f16_e32 v0, v0, v1
51; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
52  %val = call half @llvm.experimental.constrained.fadd.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap")
53  ret half %val
54}
55
56define <2 x half> @v_constained_fadd_v2f16_fpexcept_strict(<2 x half> %x, <2 x half> %y) #0 {
57; GFX9-LABEL: v_constained_fadd_v2f16_fpexcept_strict:
58; GFX9:       ; %bb.0:
59; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
60; GFX9-NEXT:    v_pk_add_f16 v0, v0, v1
61; GFX9-NEXT:    s_setpc_b64 s[30:31]
62;
63; GFX8-LABEL: v_constained_fadd_v2f16_fpexcept_strict:
64; GFX8:       ; %bb.0:
65; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
66; GFX8-NEXT:    v_add_f16_sdwa v2, v0, v1 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
67; GFX8-NEXT:    v_add_f16_e32 v0, v0, v1
68; GFX8-NEXT:    v_or_b32_e32 v0, v0, v2
69; GFX8-NEXT:    s_setpc_b64 s[30:31]
70;
71; GFX10PLUS-LABEL: v_constained_fadd_v2f16_fpexcept_strict:
72; GFX10PLUS:       ; %bb.0:
73; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
74; GFX10PLUS-NEXT:    v_pk_add_f16 v0, v0, v1
75; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
76  %val = call <2 x half> @llvm.experimental.constrained.fadd.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
77  ret <2 x half> %val
78}
79
80define <2 x half> @v_constained_fadd_v2f16_fpexcept_ignore(<2 x half> %x, <2 x half> %y) #0 {
81; GFX9-LABEL: v_constained_fadd_v2f16_fpexcept_ignore:
82; GFX9:       ; %bb.0:
83; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
84; GFX9-NEXT:    v_pk_add_f16 v0, v0, v1
85; GFX9-NEXT:    s_setpc_b64 s[30:31]
86;
87; GFX8-LABEL: v_constained_fadd_v2f16_fpexcept_ignore:
88; GFX8:       ; %bb.0:
89; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
90; GFX8-NEXT:    v_add_f16_sdwa v2, v0, v1 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
91; GFX8-NEXT:    v_add_f16_e32 v0, v0, v1
92; GFX8-NEXT:    v_or_b32_e32 v0, v0, v2
93; GFX8-NEXT:    s_setpc_b64 s[30:31]
94;
95; GFX10PLUS-LABEL: v_constained_fadd_v2f16_fpexcept_ignore:
96; GFX10PLUS:       ; %bb.0:
97; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
98; GFX10PLUS-NEXT:    v_pk_add_f16 v0, v0, v1
99; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
100  %val = call <2 x half> @llvm.experimental.constrained.fadd.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.ignore")
101  ret <2 x half> %val
102}
103
104define <2 x half> @v_constained_fadd_v2f16_fpexcept_maytrap(<2 x half> %x, <2 x half> %y) #0 {
105; GFX9-LABEL: v_constained_fadd_v2f16_fpexcept_maytrap:
106; GFX9:       ; %bb.0:
107; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
108; GFX9-NEXT:    v_pk_add_f16 v0, v0, v1
109; GFX9-NEXT:    s_setpc_b64 s[30:31]
110;
111; GFX8-LABEL: v_constained_fadd_v2f16_fpexcept_maytrap:
112; GFX8:       ; %bb.0:
113; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
114; GFX8-NEXT:    v_add_f16_sdwa v2, v0, v1 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
115; GFX8-NEXT:    v_add_f16_e32 v0, v0, v1
116; GFX8-NEXT:    v_or_b32_e32 v0, v0, v2
117; GFX8-NEXT:    s_setpc_b64 s[30:31]
118;
119; GFX10PLUS-LABEL: v_constained_fadd_v2f16_fpexcept_maytrap:
120; GFX10PLUS:       ; %bb.0:
121; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
122; GFX10PLUS-NEXT:    v_pk_add_f16 v0, v0, v1
123; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
124  %val = call <2 x half> @llvm.experimental.constrained.fadd.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.maytrap")
125  ret <2 x half> %val
126}
127
128define <3 x half> @v_constained_fadd_v3f16_fpexcept_strict(<3 x half> %x, <3 x half> %y) #0 {
129; GFX9-LABEL: v_constained_fadd_v3f16_fpexcept_strict:
130; GFX9:       ; %bb.0:
131; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
132; GFX9-NEXT:    v_pk_add_f16 v0, v0, v2
133; GFX9-NEXT:    v_add_f16_e32 v1, v1, v3
134; GFX9-NEXT:    s_setpc_b64 s[30:31]
135;
136; GFX8-LABEL: v_constained_fadd_v3f16_fpexcept_strict:
137; GFX8:       ; %bb.0:
138; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
139; GFX8-NEXT:    v_add_f16_sdwa v4, v0, v2 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
140; GFX8-NEXT:    v_add_f16_e32 v0, v0, v2
141; GFX8-NEXT:    v_or_b32_e32 v0, v0, v4
142; GFX8-NEXT:    v_add_f16_e32 v1, v1, v3
143; GFX8-NEXT:    s_setpc_b64 s[30:31]
144;
145; GFX10PLUS-LABEL: v_constained_fadd_v3f16_fpexcept_strict:
146; GFX10PLUS:       ; %bb.0:
147; GFX10PLUS-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
148; GFX10PLUS-NEXT:    v_pk_add_f16 v0, v0, v2
149; GFX10PLUS-NEXT:    v_add_f16_e32 v1, v1, v3
150; GFX10PLUS-NEXT:    s_setpc_b64 s[30:31]
151  %val = call <3 x half> @llvm.experimental.constrained.fadd.v3f16(<3 x half> %x, <3 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
152  ret <3 x half> %val
153}
154
155; FIXME: Scalarized
156define <4 x half> @v_constained_fadd_v4f16_fpexcept_strict(<4 x half> %x, <4 x half> %y) #0 {
157; GFX9-LABEL: v_constained_fadd_v4f16_fpexcept_strict:
158; GFX9:       ; %bb.0:
159; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
160; GFX9-NEXT:    v_add_f16_sdwa v4, v1, v3 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
161; GFX9-NEXT:    v_add_f16_sdwa v5, v0, v2 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
162; GFX9-NEXT:    v_add_f16_e32 v1, v1, v3
163; GFX9-NEXT:    v_add_f16_e32 v0, v0, v2
164; GFX9-NEXT:    s_mov_b32 s4, 0x5040100
165; GFX9-NEXT:    v_perm_b32 v0, v5, v0, s4
166; GFX9-NEXT:    v_perm_b32 v1, v4, v1, s4
167; GFX9-NEXT:    s_setpc_b64 s[30:31]
168;
169; GFX8-LABEL: v_constained_fadd_v4f16_fpexcept_strict:
170; GFX8:       ; %bb.0:
171; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
172; GFX8-NEXT:    v_add_f16_sdwa v4, v1, v3 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
173; GFX8-NEXT:    v_add_f16_sdwa v5, v0, v2 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
174; GFX8-NEXT:    v_add_f16_e32 v1, v1, v3
175; GFX8-NEXT:    v_add_f16_e32 v0, v0, v2
176; GFX8-NEXT:    v_or_b32_e32 v0, v0, v5
177; GFX8-NEXT:    v_or_b32_e32 v1, v1, v4
178; GFX8-NEXT:    s_setpc_b64 s[30:31]
179;
180; GFX10-LABEL: v_constained_fadd_v4f16_fpexcept_strict:
181; GFX10:       ; %bb.0:
182; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
183; GFX10-NEXT:    v_add_f16_sdwa v4, v1, v3 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
184; GFX10-NEXT:    v_add_f16_sdwa v5, v0, v2 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
185; GFX10-NEXT:    v_add_f16_e32 v0, v0, v2
186; GFX10-NEXT:    v_add_f16_e32 v1, v1, v3
187; GFX10-NEXT:    v_perm_b32 v0, v5, v0, 0x5040100
188; GFX10-NEXT:    v_perm_b32 v1, v4, v1, 0x5040100
189; GFX10-NEXT:    s_setpc_b64 s[30:31]
190;
191; GFX11-LABEL: v_constained_fadd_v4f16_fpexcept_strict:
192; GFX11:       ; %bb.0:
193; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
194; GFX11-NEXT:    v_lshrrev_b32_e32 v4, 16, v3
195; GFX11-NEXT:    v_lshrrev_b32_e32 v5, 16, v2
196; GFX11-NEXT:    v_lshrrev_b32_e32 v6, 16, v0
197; GFX11-NEXT:    v_lshrrev_b32_e32 v7, 16, v1
198; GFX11-NEXT:    v_add_f16_e32 v1, v1, v3
199; GFX11-NEXT:    v_add_f16_e32 v0, v0, v2
200; GFX11-NEXT:    v_add_f16_e32 v2, v6, v5
201; GFX11-NEXT:    v_add_f16_e32 v3, v7, v4
202; GFX11-NEXT:    v_perm_b32 v0, v2, v0, 0x5040100
203; GFX11-NEXT:    v_perm_b32 v1, v3, v1, 0x5040100
204; GFX11-NEXT:    s_setpc_b64 s[30:31]
205  %val = call <4 x half> @llvm.experimental.constrained.fadd.v4f16(<4 x half> %x, <4 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
206  ret <4 x half> %val
207}
208
209define amdgpu_ps half @s_constained_fadd_f16_fpexcept_strict(half inreg %x, half inreg %y) #0 {
210; GCN-LABEL: s_constained_fadd_f16_fpexcept_strict:
211; GCN:       ; %bb.0:
212; GCN-NEXT:    v_mov_b32_e32 v0, s3
213; GCN-NEXT:    v_add_f16_e32 v0, s2, v0
214; GCN-NEXT:    ; return to shader part epilog
215;
216; GFX10PLUS-LABEL: s_constained_fadd_f16_fpexcept_strict:
217; GFX10PLUS:       ; %bb.0:
218; GFX10PLUS-NEXT:    v_add_f16_e64 v0, s2, s3
219; GFX10PLUS-NEXT:    ; return to shader part epilog
220  %val = call half @llvm.experimental.constrained.fadd.f16(half %x, half %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
221  ret half %val
222}
223
224define amdgpu_ps <2 x half> @s_constained_fadd_v2f16_fpexcept_strict(<2 x half> inreg %x, <2 x half> inreg %y) #0 {
225; GFX9-LABEL: s_constained_fadd_v2f16_fpexcept_strict:
226; GFX9:       ; %bb.0:
227; GFX9-NEXT:    v_mov_b32_e32 v0, s3
228; GFX9-NEXT:    v_pk_add_f16 v0, s2, v0
229; GFX9-NEXT:    ; return to shader part epilog
230;
231; GFX8-LABEL: s_constained_fadd_v2f16_fpexcept_strict:
232; GFX8:       ; %bb.0:
233; GFX8-NEXT:    s_lshr_b32 s0, s3, 16
234; GFX8-NEXT:    s_lshr_b32 s1, s2, 16
235; GFX8-NEXT:    v_mov_b32_e32 v0, s0
236; GFX8-NEXT:    v_mov_b32_e32 v1, s1
237; GFX8-NEXT:    v_add_f16_sdwa v0, v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
238; GFX8-NEXT:    v_mov_b32_e32 v1, s3
239; GFX8-NEXT:    v_add_f16_e32 v1, s2, v1
240; GFX8-NEXT:    v_or_b32_e32 v0, v1, v0
241; GFX8-NEXT:    ; return to shader part epilog
242;
243; GFX10PLUS-LABEL: s_constained_fadd_v2f16_fpexcept_strict:
244; GFX10PLUS:       ; %bb.0:
245; GFX10PLUS-NEXT:    v_pk_add_f16 v0, s2, s3
246; GFX10PLUS-NEXT:    ; return to shader part epilog
247  %val = call <2 x half> @llvm.experimental.constrained.fadd.v2f16(<2 x half> %x, <2 x half> %y, metadata !"round.tonearest", metadata !"fpexcept.strict")
248  ret <2 x half> %val
249}
250
251declare half @llvm.experimental.constrained.fadd.f16(half, half, metadata, metadata) #1
252declare <2 x half> @llvm.experimental.constrained.fadd.v2f16(<2 x half>, <2 x half>, metadata, metadata) #1
253declare <3 x half> @llvm.experimental.constrained.fadd.v3f16(<3 x half>, <3 x half>, metadata, metadata) #1
254declare <4 x half> @llvm.experimental.constrained.fadd.v4f16(<4 x half>, <4 x half>, metadata, metadata) #1
255
256attributes #0 = { strictfp }
257attributes #1 = { inaccessiblememonly nounwind willreturn }
258