xref: /llvm-project/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfnmadd-constrained-sdnode.ll (revision 1cb599835ccf7ee8b2d1d5a7f3107e19a26fc6f5) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -mattr=+d,+zvfh,+v -target-abi=ilp32d \
3; RUN:     -verify-machineinstrs < %s | FileCheck %s
4; RUN: llc -mtriple=riscv64 -mattr=+d,+zvfh,+v -target-abi=lp64d \
5; RUN:     -verify-machineinstrs < %s | FileCheck %s
6
7; This tests a mix of vfnmacc and vfnmadd by using different operand orders to
8; trigger commuting in TwoAddressInstructionPass.
9
10declare <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half>, <2 x half>, <2 x half>, metadata, metadata)
11
12define <2 x half> @vfnmsub_vv_v2f16(<2 x half> %va, <2 x half> %vb, <2 x half> %vc) strictfp {
13; CHECK-LABEL: vfnmsub_vv_v2f16:
14; CHECK:       # %bb.0:
15; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
16; CHECK-NEXT:    vfnmadd.vv v8, v10, v9
17; CHECK-NEXT:    ret
18  %neg = fneg <2 x half> %va
19  %neg2 = fneg <2 x half> %vb
20  %vd = call <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half> %neg, <2 x half> %vc, <2 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
21  ret <2 x half> %vd
22}
23
24define <2 x half> @vfnmsub_vf_v2f16(<2 x half> %va, <2 x half> %vb, half %c) strictfp {
25; CHECK-LABEL: vfnmsub_vf_v2f16:
26; CHECK:       # %bb.0:
27; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
28; CHECK-NEXT:    vfnmadd.vf v8, fa0, v9
29; CHECK-NEXT:    ret
30  %head = insertelement <2 x half> poison, half %c, i32 0
31  %splat = shufflevector <2 x half> %head, <2 x half> poison, <2 x i32> zeroinitializer
32  %neg = fneg <2 x half> %va
33  %neg2 = fneg <2 x half> %vb
34  %vd = call <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half> %splat, <2 x half> %neg, <2 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
35  ret <2 x half> %vd
36}
37
38declare <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half>, <4 x half>, <4 x half>, metadata, metadata)
39
40define <4 x half> @vfnmsub_vv_v4f16(<4 x half> %va, <4 x half> %vb, <4 x half> %vc) strictfp {
41; CHECK-LABEL: vfnmsub_vv_v4f16:
42; CHECK:       # %bb.0:
43; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
44; CHECK-NEXT:    vfnmadd.vv v8, v9, v10
45; CHECK-NEXT:    ret
46  %neg = fneg <4 x half> %vb
47  %neg2 = fneg <4 x half> %vc
48  %vd = call <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half> %neg, <4 x half> %va, <4 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
49  ret <4 x half> %vd
50}
51
52define <4 x half> @vfnmsub_vf_v4f16(<4 x half> %va, <4 x half> %vb, half %c) strictfp {
53; CHECK-LABEL: vfnmsub_vf_v4f16:
54; CHECK:       # %bb.0:
55; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
56; CHECK-NEXT:    vfnmadd.vf v8, fa0, v9
57; CHECK-NEXT:    ret
58  %head = insertelement <4 x half> poison, half %c, i32 0
59  %splat = shufflevector <4 x half> %head, <4 x half> poison, <4 x i32> zeroinitializer
60  %neg = fneg <4 x half> %splat
61  %neg2 = fneg <4 x half> %vb
62  %vd = call <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half> %va, <4 x half> %neg, <4 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
63  ret <4 x half> %vd
64}
65
66declare <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half>, <8 x half>, <8 x half>, metadata, metadata)
67
68define <8 x half> @vfnmsub_vv_v8f16(<8 x half> %va, <8 x half> %vb, <8 x half> %vc) strictfp {
69; CHECK-LABEL: vfnmsub_vv_v8f16:
70; CHECK:       # %bb.0:
71; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
72; CHECK-NEXT:    vfnmacc.vv v8, v10, v9
73; CHECK-NEXT:    ret
74  %neg = fneg <8 x half> %vb
75  %neg2 = fneg <8 x half> %va
76  %vd = call <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half> %neg, <8 x half> %vc, <8 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
77  ret <8 x half> %vd
78}
79
80define <8 x half> @vfnmsub_vf_v8f16(<8 x half> %va, <8 x half> %vb, half %c) strictfp {
81; CHECK-LABEL: vfnmsub_vf_v8f16:
82; CHECK:       # %bb.0:
83; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
84; CHECK-NEXT:    vfnmacc.vf v8, fa0, v9
85; CHECK-NEXT:    ret
86  %head = insertelement <8 x half> poison, half %c, i32 0
87  %splat = shufflevector <8 x half> %head, <8 x half> poison, <8 x i32> zeroinitializer
88  %neg = fneg <8 x half> %splat
89  %neg2 = fneg <8 x half> %va
90  %vd = call <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half> %vb, <8 x half> %neg, <8 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
91  ret <8 x half> %vd
92}
93
94declare <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half>, <16 x half>, <16 x half>, metadata, metadata)
95
96define <16 x half> @vfnmsub_vv_v16f16(<16 x half> %va, <16 x half> %vb, <16 x half> %vc) strictfp {
97; CHECK-LABEL: vfnmsub_vv_v16f16:
98; CHECK:       # %bb.0:
99; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
100; CHECK-NEXT:    vfnmadd.vv v8, v12, v10
101; CHECK-NEXT:    ret
102  %neg = fneg <16 x half> %vc
103  %neg2 = fneg <16 x half> %vb
104  %vd = call <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half> %neg, <16 x half> %va, <16 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
105  ret <16 x half> %vd
106}
107
108define <16 x half> @vfnmsub_vf_v16f16(<16 x half> %va, <16 x half> %vb, half %c) strictfp {
109; CHECK-LABEL: vfnmsub_vf_v16f16:
110; CHECK:       # %bb.0:
111; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
112; CHECK-NEXT:    vfnmadd.vf v8, fa0, v10
113; CHECK-NEXT:    ret
114  %head = insertelement <16 x half> poison, half %c, i32 0
115  %splat = shufflevector <16 x half> %head, <16 x half> poison, <16 x i32> zeroinitializer
116  %neg = fneg <16 x half> %splat
117  %neg2 = fneg <16 x half> %vb
118  %vd = call <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half> %neg, <16 x half> %va, <16 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
119  ret <16 x half> %vd
120}
121
122declare <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half>, <32 x half>, <32 x half>, metadata, metadata)
123
124define <32 x half> @vfnmsub_vv_v32f16(<32 x half> %va, <32 x half> %vb, <32 x half> %vc) strictfp {
125; CHECK-LABEL: vfnmsub_vv_v32f16:
126; CHECK:       # %bb.0:
127; CHECK-NEXT:    li a0, 32
128; CHECK-NEXT:    vsetvli zero, a0, e16, m4, ta, ma
129; CHECK-NEXT:    vfnmadd.vv v8, v16, v12
130; CHECK-NEXT:    ret
131  %neg = fneg <32 x half> %vc
132  %neg2 = fneg <32 x half> %vb
133  %vd = call <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half> %neg, <32 x half> %va, <32 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
134  ret <32 x half> %vd
135}
136
137define <32 x half> @vfnmsub_vf_v32f16(<32 x half> %va, <32 x half> %vb, half %c) strictfp {
138; CHECK-LABEL: vfnmsub_vf_v32f16:
139; CHECK:       # %bb.0:
140; CHECK-NEXT:    li a0, 32
141; CHECK-NEXT:    vsetvli zero, a0, e16, m4, ta, ma
142; CHECK-NEXT:    vfnmacc.vf v8, fa0, v12
143; CHECK-NEXT:    ret
144  %head = insertelement <32 x half> poison, half %c, i32 0
145  %splat = shufflevector <32 x half> %head, <32 x half> poison, <32 x i32> zeroinitializer
146  %neg = fneg <32 x half> %splat
147  %neg2 = fneg <32 x half> %va
148  %vd = call <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half> %neg, <32 x half> %vb, <32 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
149  ret <32 x half> %vd
150}
151
152declare <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float>, <2 x float>, <2 x float>, metadata, metadata)
153
154define <2 x float> @vfnmsub_vv_v2f32(<2 x float> %va, <2 x float> %vb, <2 x float> %vc) strictfp {
155; CHECK-LABEL: vfnmsub_vv_v2f32:
156; CHECK:       # %bb.0:
157; CHECK-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
158; CHECK-NEXT:    vfnmadd.vv v8, v10, v9
159; CHECK-NEXT:    ret
160  %neg = fneg <2 x float> %vc
161  %neg2 = fneg <2 x float> %vb
162  %vd = call <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float> %va, <2 x float> %neg, <2 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
163  ret <2 x float> %vd
164}
165
166define <2 x float> @vfnmsub_vf_v2f32(<2 x float> %va, <2 x float> %vb, float %c) strictfp {
167; CHECK-LABEL: vfnmsub_vf_v2f32:
168; CHECK:       # %bb.0:
169; CHECK-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
170; CHECK-NEXT:    vfnmadd.vf v8, fa0, v9
171; CHECK-NEXT:    ret
172  %head = insertelement <2 x float> poison, float %c, i32 0
173  %splat = shufflevector <2 x float> %head, <2 x float> poison, <2 x i32> zeroinitializer
174  %neg = fneg <2 x float> %va
175  %neg2 = fneg <2 x float> %vb
176  %vd = call <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float> %splat, <2 x float> %neg, <2 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
177  ret <2 x float> %vd
178}
179
180declare <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float>, <4 x float>, <4 x float>, metadata, metadata)
181
182define <4 x float> @vfnmsub_vv_v4f32(<4 x float> %va, <4 x float> %vb, <4 x float> %vc) strictfp {
183; CHECK-LABEL: vfnmsub_vv_v4f32:
184; CHECK:       # %bb.0:
185; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
186; CHECK-NEXT:    vfnmadd.vv v8, v9, v10
187; CHECK-NEXT:    ret
188  %neg = fneg <4 x float> %va
189  %neg2 = fneg <4 x float> %vc
190  %vd = call <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float> %vb, <4 x float> %neg, <4 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
191  ret <4 x float> %vd
192}
193
194define <4 x float> @vfnmsub_vf_v4f32(<4 x float> %va, <4 x float> %vb, float %c) strictfp {
195; CHECK-LABEL: vfnmsub_vf_v4f32:
196; CHECK:       # %bb.0:
197; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
198; CHECK-NEXT:    vfnmadd.vf v8, fa0, v9
199; CHECK-NEXT:    ret
200  %head = insertelement <4 x float> poison, float %c, i32 0
201  %splat = shufflevector <4 x float> %head, <4 x float> poison, <4 x i32> zeroinitializer
202  %neg = fneg <4 x float> %splat
203  %neg2 = fneg <4 x float> %vb
204  %vd = call <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float> %va, <4 x float> %neg, <4 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
205  ret <4 x float> %vd
206}
207
208declare <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float>, <8 x float>, <8 x float>, metadata, metadata)
209
210define <8 x float> @vfnmsub_vv_v8f32(<8 x float> %va, <8 x float> %vb, <8 x float> %vc) strictfp {
211; CHECK-LABEL: vfnmsub_vv_v8f32:
212; CHECK:       # %bb.0:
213; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
214; CHECK-NEXT:    vfnmacc.vv v8, v12, v10
215; CHECK-NEXT:    ret
216  %neg = fneg <8 x float> %vc
217  %neg2 = fneg <8 x float> %va
218  %vd = call <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float> %vb, <8 x float> %neg, <8 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
219  ret <8 x float> %vd
220}
221
222define <8 x float> @vfnmsub_vf_v8f32(<8 x float> %va, <8 x float> %vb, float %c) strictfp {
223; CHECK-LABEL: vfnmsub_vf_v8f32:
224; CHECK:       # %bb.0:
225; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
226; CHECK-NEXT:    vfnmacc.vf v8, fa0, v10
227; CHECK-NEXT:    ret
228  %head = insertelement <8 x float> poison, float %c, i32 0
229  %splat = shufflevector <8 x float> %head, <8 x float> poison, <8 x i32> zeroinitializer
230  %neg = fneg <8 x float> %splat
231  %neg2 = fneg <8 x float> %va
232  %vd = call <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float> %vb, <8 x float> %neg, <8 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
233  ret <8 x float> %vd
234}
235
236declare <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float>, <16 x float>, <16 x float>, metadata, metadata)
237
238define <16 x float> @vfnmsub_vv_v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc) strictfp {
239; CHECK-LABEL: vfnmsub_vv_v16f32:
240; CHECK:       # %bb.0:
241; CHECK-NEXT:    vsetivli zero, 16, e32, m4, ta, ma
242; CHECK-NEXT:    vfnmadd.vv v8, v16, v12
243; CHECK-NEXT:    ret
244  %neg = fneg <16 x float> %va
245  %neg2 = fneg <16 x float> %vb
246  %vd = call <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float> %vc, <16 x float> %neg, <16 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
247  ret <16 x float> %vd
248}
249
250define <16 x float> @vfnmsub_vf_v16f32(<16 x float> %va, <16 x float> %vb, float %c) strictfp {
251; CHECK-LABEL: vfnmsub_vf_v16f32:
252; CHECK:       # %bb.0:
253; CHECK-NEXT:    vsetivli zero, 16, e32, m4, ta, ma
254; CHECK-NEXT:    vfnmadd.vf v8, fa0, v12
255; CHECK-NEXT:    ret
256  %head = insertelement <16 x float> poison, float %c, i32 0
257  %splat = shufflevector <16 x float> %head, <16 x float> poison, <16 x i32> zeroinitializer
258  %neg = fneg <16 x float> %splat
259  %neg2 = fneg <16 x float> %vb
260  %vd = call <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float> %neg, <16 x float> %va, <16 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
261  ret <16 x float> %vd
262}
263
264declare <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double>, <2 x double>, <2 x double>, metadata, metadata)
265
266define <2 x double> @vfnmsub_vv_v2f64(<2 x double> %va, <2 x double> %vb, <2 x double> %vc) strictfp {
267; CHECK-LABEL: vfnmsub_vv_v2f64:
268; CHECK:       # %bb.0:
269; CHECK-NEXT:    vsetivli zero, 2, e64, m1, ta, ma
270; CHECK-NEXT:    vfnmadd.vv v8, v10, v9
271; CHECK-NEXT:    ret
272  %neg = fneg <2 x double> %va
273  %neg2 = fneg <2 x double> %vb
274  %vd = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %neg, <2 x double> %vc, <2 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
275  ret <2 x double> %vd
276}
277
278define <2 x double> @vfnmsub_vf_v2f64(<2 x double> %va, <2 x double> %vb, double %c) strictfp {
279; CHECK-LABEL: vfnmsub_vf_v2f64:
280; CHECK:       # %bb.0:
281; CHECK-NEXT:    vsetivli zero, 2, e64, m1, ta, ma
282; CHECK-NEXT:    vfnmadd.vf v8, fa0, v9
283; CHECK-NEXT:    ret
284  %head = insertelement <2 x double> poison, double %c, i32 0
285  %splat = shufflevector <2 x double> %head, <2 x double> poison, <2 x i32> zeroinitializer
286  %neg = fneg <2 x double> %va
287  %neg2 = fneg <2 x double> %vb
288  %vd = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %splat, <2 x double> %neg, <2 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
289  ret <2 x double> %vd
290}
291
292declare <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double>, <4 x double>, <4 x double>, metadata, metadata)
293
294define <4 x double> @vfnmsub_vv_v4f64(<4 x double> %va, <4 x double> %vb, <4 x double> %vc) strictfp {
295; CHECK-LABEL: vfnmsub_vv_v4f64:
296; CHECK:       # %bb.0:
297; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
298; CHECK-NEXT:    vfnmadd.vv v8, v10, v12
299; CHECK-NEXT:    ret
300  %neg = fneg <4 x double> %vb
301  %neg2 = fneg <4 x double> %vc
302  %vd = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %neg, <4 x double> %va, <4 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
303  ret <4 x double> %vd
304}
305
306define <4 x double> @vfnmsub_vf_v4f64(<4 x double> %va, <4 x double> %vb, double %c) strictfp {
307; CHECK-LABEL: vfnmsub_vf_v4f64:
308; CHECK:       # %bb.0:
309; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
310; CHECK-NEXT:    vfnmadd.vf v8, fa0, v10
311; CHECK-NEXT:    ret
312  %head = insertelement <4 x double> poison, double %c, i32 0
313  %splat = shufflevector <4 x double> %head, <4 x double> poison, <4 x i32> zeroinitializer
314  %neg = fneg <4 x double> %splat
315  %neg2 = fneg <4 x double> %vb
316  %vd = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %va, <4 x double> %neg, <4 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
317  ret <4 x double> %vd
318}
319
320declare <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double>, <8 x double>, <8 x double>, metadata, metadata)
321
322define <8 x double> @vfnmsub_vv_v8f64(<8 x double> %va, <8 x double> %vb, <8 x double> %vc) strictfp {
323; CHECK-LABEL: vfnmsub_vv_v8f64:
324; CHECK:       # %bb.0:
325; CHECK-NEXT:    vsetivli zero, 8, e64, m4, ta, ma
326; CHECK-NEXT:    vfnmacc.vv v8, v16, v12
327; CHECK-NEXT:    ret
328  %neg = fneg <8 x double> %vb
329  %neg2 = fneg <8 x double> %va
330  %vd = call <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double> %neg, <8 x double> %vc, <8 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
331  ret <8 x double> %vd
332}
333
334define <8 x double> @vfnmsub_vf_v8f64(<8 x double> %va, <8 x double> %vb, double %c) strictfp {
335; CHECK-LABEL: vfnmsub_vf_v8f64:
336; CHECK:       # %bb.0:
337; CHECK-NEXT:    vsetivli zero, 8, e64, m4, ta, ma
338; CHECK-NEXT:    vfnmacc.vf v8, fa0, v12
339; CHECK-NEXT:    ret
340  %head = insertelement <8 x double> poison, double %c, i32 0
341  %splat = shufflevector <8 x double> %head, <8 x double> poison, <8 x i32> zeroinitializer
342  %neg = fneg <8 x double> %splat
343  %neg2 = fneg <8 x double> %va
344  %vd = call <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double> %vb, <8 x double> %neg, <8 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict")
345  ret <8 x double> %vd
346}
347