xref: /llvm-project/llvm/test/CodeGen/AMDGPU/mad_u64_u32.ll (revision 9e9907f1cfa424366fba58d9520f9305b537cec9)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=amdgcn -mcpu=gfx900 --verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,GFX9 %s
3; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 --verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,GFX10 %s
4; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -amdgpu-enable-vopd=0 -amdgpu-enable-delay-alu=0 --verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,GFX11 %s
5; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 -mattr=+wavefrontsize64 --verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,GFX10 %s
6; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -amdgpu-enable-delay-alu=0 -mattr=+wavefrontsize64 --verify-machineinstrs < %s | FileCheck --check-prefixes=GCN,GFX11 %s
7
8define amdgpu_ps float @mad_i32_vvv(i32 %a, i32 %b, i32 %c) {
9; GFX9-LABEL: mad_i32_vvv:
10; GFX9:       ; %bb.0:
11; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, v1, v[2:3]
12; GFX9-NEXT:    ; return to shader part epilog
13;
14; GFX10-LABEL: mad_i32_vvv:
15; GFX10:       ; %bb.0:
16; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, v1, v[2:3]
17; GFX10-NEXT:    ; return to shader part epilog
18;
19; GFX11-LABEL: mad_i32_vvv:
20; GFX11:       ; %bb.0:
21; GFX11-NEXT:    v_mov_b32_e32 v3, v1
22; GFX11-NEXT:    v_mov_b32_e32 v4, v0
23; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v4, v3, v[2:3]
24; GFX11-NEXT:    ; return to shader part epilog
25  %mul = mul i32 %a, %b
26  %add = add i32 %mul, %c
27  %cast = bitcast i32 %add to float
28  ret float %cast
29}
30
31define amdgpu_ps float @mad_i32_sss(i32 inreg %a, i32 inreg %b, i32 inreg %c) {
32; GCN-LABEL: mad_i32_sss:
33; GCN:       ; %bb.0:
34; GCN-NEXT:    s_mul_i32 s0, s0, s1
35; GCN-NEXT:    s_add_i32 s0, s0, s2
36; GCN-NEXT:    v_mov_b32_e32 v0, s0
37; GCN-NEXT:    ; return to shader part epilog
38  %mul = mul i32 %a, %b
39  %add = add i32 %mul, %c
40  %cast = bitcast i32 %add to float
41  ret float %cast
42}
43
44define amdgpu_ps float @mad_i32_vvc(i32 %a, i32 %b) {
45; GFX9-LABEL: mad_i32_vvc:
46; GFX9:       ; %bb.0:
47; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, v1, 42
48; GFX9-NEXT:    ; return to shader part epilog
49;
50; GFX10-LABEL: mad_i32_vvc:
51; GFX10:       ; %bb.0:
52; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, v1, 42
53; GFX10-NEXT:    ; return to shader part epilog
54;
55; GFX11-LABEL: mad_i32_vvc:
56; GFX11:       ; %bb.0:
57; GFX11-NEXT:    v_mov_b32_e32 v2, v1
58; GFX11-NEXT:    v_mov_b32_e32 v3, v0
59; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v3, v2, 42
60; GFX11-NEXT:    ; return to shader part epilog
61  %mul = mul i32 %a, %b
62  %add = add i32 %mul, 42
63  %cast = bitcast i32 %add to float
64  ret float %cast
65}
66
67define amdgpu_ps float @mad_i32_vvi(i32 %a, i32 %b) {
68; GFX9-LABEL: mad_i32_vvi:
69; GFX9:       ; %bb.0:
70; GFX9-NEXT:    v_mov_b32_e32 v2, 0x12d687
71; GFX9-NEXT:    v_mov_b32_e32 v3, 0
72; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, v1, v[2:3]
73; GFX9-NEXT:    ; return to shader part epilog
74;
75; GFX10-LABEL: mad_i32_vvi:
76; GFX10:       ; %bb.0:
77; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, v1, 0x12d687
78; GFX10-NEXT:    ; return to shader part epilog
79;
80; GFX11-LABEL: mad_i32_vvi:
81; GFX11:       ; %bb.0:
82; GFX11-NEXT:    v_mov_b32_e32 v2, v1
83; GFX11-NEXT:    v_mov_b32_e32 v3, v0
84; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v3, v2, 0x12d687
85; GFX11-NEXT:    ; return to shader part epilog
86  %mul = mul i32 %a, %b
87  %add = add i32 %mul, 1234567
88  %cast = bitcast i32 %add to float
89  ret float %cast
90}
91
92define amdgpu_ps float @mad_i32_vvi_neg(i32 %a, i32 %b) {
93; GFX9-LABEL: mad_i32_vvi_neg:
94; GFX9:       ; %bb.0:
95; GFX9-NEXT:    v_mov_b32_e32 v2, 0xffed2979
96; GFX9-NEXT:    v_mov_b32_e32 v3, -1
97; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, v1, v[2:3]
98; GFX9-NEXT:    ; return to shader part epilog
99;
100; GFX10-LABEL: mad_i32_vvi_neg:
101; GFX10:       ; %bb.0:
102; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, v1, 0xffffffffffed2979
103; GFX10-NEXT:    ; return to shader part epilog
104;
105; GFX11-LABEL: mad_i32_vvi_neg:
106; GFX11:       ; %bb.0:
107; GFX11-NEXT:    v_mov_b32_e32 v2, v1
108; GFX11-NEXT:    v_mov_b32_e32 v3, v0
109; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v3, v2, 0xffffffffffed2979
110; GFX11-NEXT:    ; return to shader part epilog
111  %mul = mul i32 %a, %b
112  %add = add i32 %mul, -1234567
113  %cast = bitcast i32 %add to float
114  ret float %cast
115}
116
117define amdgpu_ps float @mad_i32_vcv(i32 %a, i32 %c) {
118; GFX9-LABEL: mad_i32_vcv:
119; GFX9:       ; %bb.0:
120; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, 42, v[1:2]
121; GFX9-NEXT:    ; return to shader part epilog
122;
123; GFX10-LABEL: mad_i32_vcv:
124; GFX10:       ; %bb.0:
125; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, 42, v[1:2]
126; GFX10-NEXT:    ; return to shader part epilog
127;
128; GFX11-LABEL: mad_i32_vcv:
129; GFX11:       ; %bb.0:
130; GFX11-NEXT:    v_mad_u64_u32 v[2:3], null, v0, 42, v[1:2]
131; GFX11-NEXT:    v_mov_b32_e32 v0, v2
132; GFX11-NEXT:    ; return to shader part epilog
133  %mul = mul i32 %a, 42
134  %add = add i32 %mul, %c
135  %cast = bitcast i32 %add to float
136  ret float %cast
137}
138
139define amdgpu_ps float @mad_i32_vcc(i32 %a) {
140; GFX9-LABEL: mad_i32_vcc:
141; GFX9:       ; %bb.0:
142; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, 42, 43
143; GFX9-NEXT:    ; return to shader part epilog
144;
145; GFX10-LABEL: mad_i32_vcc:
146; GFX10:       ; %bb.0:
147; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, 42, 43
148; GFX10-NEXT:    ; return to shader part epilog
149;
150; GFX11-LABEL: mad_i32_vcc:
151; GFX11:       ; %bb.0:
152; GFX11-NEXT:    v_mov_b32_e32 v2, v0
153; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v2, 42, 43
154; GFX11-NEXT:    ; return to shader part epilog
155  %mul = mul i32 %a, 42
156  %add = add i32 %mul, 43
157  %cast = bitcast i32 %add to float
158  ret float %cast
159}
160
161define amdgpu_ps float @mad_i32_vvs(i32 %a, i32 %b, i32 inreg %c) {
162; GFX9-LABEL: mad_i32_vvs:
163; GFX9:       ; %bb.0:
164; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, v1, s[0:1]
165; GFX9-NEXT:    ; return to shader part epilog
166;
167; GFX10-LABEL: mad_i32_vvs:
168; GFX10:       ; %bb.0:
169; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, v1, s[0:1]
170; GFX10-NEXT:    ; return to shader part epilog
171;
172; GFX11-LABEL: mad_i32_vvs:
173; GFX11:       ; %bb.0:
174; GFX11-NEXT:    v_mov_b32_e32 v2, v1
175; GFX11-NEXT:    v_mov_b32_e32 v3, v0
176; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v3, v2, s[0:1]
177; GFX11-NEXT:    ; return to shader part epilog
178  %mul = mul i32 %a, %b
179  %add = add i32 %mul, %c
180  %cast = bitcast i32 %add to float
181  ret float %cast
182}
183
184define amdgpu_ps float @mad_i32_vsv(i32 %a, i32 inreg %b, i32 %c) {
185; GFX9-LABEL: mad_i32_vsv:
186; GFX9:       ; %bb.0:
187; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v0, s0, v[1:2]
188; GFX9-NEXT:    ; return to shader part epilog
189;
190; GFX10-LABEL: mad_i32_vsv:
191; GFX10:       ; %bb.0:
192; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, s0, v[1:2]
193; GFX10-NEXT:    ; return to shader part epilog
194;
195; GFX11-LABEL: mad_i32_vsv:
196; GFX11:       ; %bb.0:
197; GFX11-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s0, v[1:2]
198; GFX11-NEXT:    v_mov_b32_e32 v0, v2
199; GFX11-NEXT:    ; return to shader part epilog
200  %mul = mul i32 %a, %b
201  %add = add i32 %mul, %c
202  %cast = bitcast i32 %add to float
203  ret float %cast
204}
205
206define amdgpu_ps float @mad_i32_svv(i32 inreg %a, i32 %b, i32 %c) {
207; GFX9-LABEL: mad_i32_svv:
208; GFX9:       ; %bb.0:
209; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], s0, v0, v[1:2]
210; GFX9-NEXT:    ; return to shader part epilog
211;
212; GFX10-LABEL: mad_i32_svv:
213; GFX10:       ; %bb.0:
214; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, s0, v0, v[1:2]
215; GFX10-NEXT:    ; return to shader part epilog
216;
217; GFX11-LABEL: mad_i32_svv:
218; GFX11:       ; %bb.0:
219; GFX11-NEXT:    v_mad_u64_u32 v[2:3], null, s0, v0, v[1:2]
220; GFX11-NEXT:    v_mov_b32_e32 v0, v2
221; GFX11-NEXT:    ; return to shader part epilog
222  %mul = mul i32 %a, %b
223  %add = add i32 %mul, %c
224  %cast = bitcast i32 %add to float
225  ret float %cast
226}
227
228define amdgpu_ps float @mad_i32_vss(i32 %a, i32 inreg %b, i32 inreg %c) {
229; GFX9-LABEL: mad_i32_vss:
230; GFX9:       ; %bb.0:
231; GFX9-NEXT:    v_mul_lo_u32 v0, v0, s0
232; GFX9-NEXT:    v_add_u32_e32 v0, s1, v0
233; GFX9-NEXT:    ; return to shader part epilog
234;
235; GFX10-LABEL: mad_i32_vss:
236; GFX10:       ; %bb.0:
237; GFX10-NEXT:    s_mov_b32 s2, s1
238; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, v0, s0, s[2:3]
239; GFX10-NEXT:    ; return to shader part epilog
240;
241; GFX11-LABEL: mad_i32_vss:
242; GFX11:       ; %bb.0:
243; GFX11-NEXT:    v_mov_b32_e32 v2, v0
244; GFX11-NEXT:    s_mov_b32 s2, s1
245; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, v2, s0, s[2:3]
246; GFX11-NEXT:    ; return to shader part epilog
247  %mul = mul i32 %a, %b
248  %add = add i32 %mul, %c
249  %cast = bitcast i32 %add to float
250  ret float %cast
251}
252
253define amdgpu_ps float @mad_i32_svs(i32 inreg %a, i32 %b, i32 inreg %c) {
254; GFX9-LABEL: mad_i32_svs:
255; GFX9:       ; %bb.0:
256; GFX9-NEXT:    v_mul_lo_u32 v0, s0, v0
257; GFX9-NEXT:    v_add_u32_e32 v0, s1, v0
258; GFX9-NEXT:    ; return to shader part epilog
259;
260; GFX10-LABEL: mad_i32_svs:
261; GFX10:       ; %bb.0:
262; GFX10-NEXT:    s_mov_b32 s2, s1
263; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, s0, v0, s[2:3]
264; GFX10-NEXT:    ; return to shader part epilog
265;
266; GFX11-LABEL: mad_i32_svs:
267; GFX11:       ; %bb.0:
268; GFX11-NEXT:    v_mov_b32_e32 v2, v0
269; GFX11-NEXT:    s_mov_b32 s2, s1
270; GFX11-NEXT:    v_mad_u64_u32 v[0:1], null, s0, v2, s[2:3]
271; GFX11-NEXT:    ; return to shader part epilog
272  %mul = mul i32 %a, %b
273  %add = add i32 %mul, %c
274  %cast = bitcast i32 %add to float
275  ret float %cast
276}
277
278define amdgpu_ps float @mad_i32_ssv(i32 inreg %a, i32 inreg %b, i32 %c) {
279; GFX9-LABEL: mad_i32_ssv:
280; GFX9:       ; %bb.0:
281; GFX9-NEXT:    s_mul_i32 s0, s0, s1
282; GFX9-NEXT:    v_add_u32_e32 v0, s0, v0
283; GFX9-NEXT:    ; return to shader part epilog
284;
285; GFX10-LABEL: mad_i32_ssv:
286; GFX10:       ; %bb.0:
287; GFX10-NEXT:    v_mad_u64_u32 v[0:1], null, s0, s1, v[0:1]
288; GFX10-NEXT:    ; return to shader part epilog
289;
290; GFX11-LABEL: mad_i32_ssv:
291; GFX11:       ; %bb.0:
292; GFX11-NEXT:    v_mad_u64_u32 v[1:2], null, s0, s1, v[0:1]
293; GFX11-NEXT:    v_mov_b32_e32 v0, v1
294; GFX11-NEXT:    ; return to shader part epilog
295  %mul = mul i32 %a, %b
296  %add = add i32 %mul, %c
297  %cast = bitcast i32 %add to float
298  ret float %cast
299}
300
301define amdgpu_ps float @mad_i32_vvv_multiuse(i32 %a, i32 %b, i32 %c) {
302; GFX9-LABEL: mad_i32_vvv_multiuse:
303; GFX9:       ; %bb.0:
304; GFX9-NEXT:    v_mul_lo_u32 v1, v0, v1
305; GFX9-NEXT:    v_add_u32_e32 v0, v1, v2
306; GFX9-NEXT:    flat_store_dword v[0:1], v1
307; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
308; GFX9-NEXT:    ; return to shader part epilog
309;
310; GFX10-LABEL: mad_i32_vvv_multiuse:
311; GFX10:       ; %bb.0:
312; GFX10-NEXT:    v_mul_lo_u32 v1, v0, v1
313; GFX10-NEXT:    v_add_nc_u32_e32 v0, v1, v2
314; GFX10-NEXT:    flat_store_dword v[0:1], v1
315; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
316; GFX10-NEXT:    ; return to shader part epilog
317;
318; GFX11-LABEL: mad_i32_vvv_multiuse:
319; GFX11:       ; %bb.0:
320; GFX11-NEXT:    v_mul_lo_u32 v1, v0, v1
321; GFX11-NEXT:    v_add_nc_u32_e32 v0, v1, v2
322; GFX11-NEXT:    flat_store_b32 v[0:1], v1
323; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
324; GFX11-NEXT:    ; return to shader part epilog
325  %mul = mul i32 %a, %b
326  %add = add i32 %mul, %c
327  store i32 %mul, ptr undef
328  %cast = bitcast i32 %add to float
329  ret float %cast
330}
331