xref: /llvm-project/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vfmsub-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 vfmsac and vfmsub 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> @vfmsub_vv_v2f16(<2 x half> %va, <2 x half> %vb, <2 x half> %vc) strictfp {
13; CHECK-LABEL: vfmsub_vv_v2f16:
14; CHECK:       # %bb.0:
15; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
16; CHECK-NEXT:    vfmsub.vv v8, v10, v9
17; CHECK-NEXT:    ret
18  %neg = fneg <2 x half> %vb
19  %vd = call <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half> %va, <2 x half> %vc, <2 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
20  ret <2 x half> %vd
21}
22
23define <2 x half> @vfmsub_vf_v2f16(<2 x half> %va, <2 x half> %vb, half %c) strictfp {
24; CHECK-LABEL: vfmsub_vf_v2f16:
25; CHECK:       # %bb.0:
26; CHECK-NEXT:    vsetivli zero, 2, e16, mf4, ta, ma
27; CHECK-NEXT:    vfmsac.vf v8, fa0, v9
28; CHECK-NEXT:    ret
29  %head = insertelement <2 x half> poison, half %c, i32 0
30  %splat = shufflevector <2 x half> %head, <2 x half> poison, <2 x i32> zeroinitializer
31  %neg = fneg <2 x half> %va
32  %vd = call <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half> %vb, <2 x half> %splat, <2 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
33  ret <2 x half> %vd
34}
35
36declare <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half>, <4 x half>, <4 x half>, metadata, metadata)
37
38define <4 x half> @vfmsub_vv_v4f16(<4 x half> %va, <4 x half> %vb, <4 x half> %vc) strictfp {
39; CHECK-LABEL: vfmsub_vv_v4f16:
40; CHECK:       # %bb.0:
41; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
42; CHECK-NEXT:    vfmsub.vv v8, v9, v10
43; CHECK-NEXT:    ret
44  %neg = fneg <4 x half> %vc
45  %vd = call <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half> %vb, <4 x half> %va, <4 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
46  ret <4 x half> %vd
47}
48
49define <4 x half> @vfmsub_vf_v4f16(<4 x half> %va, <4 x half> %vb, half %c) strictfp {
50; CHECK-LABEL: vfmsub_vf_v4f16:
51; CHECK:       # %bb.0:
52; CHECK-NEXT:    vsetivli zero, 4, e16, mf2, ta, ma
53; CHECK-NEXT:    vfmsub.vf v8, fa0, v9
54; CHECK-NEXT:    ret
55  %head = insertelement <4 x half> poison, half %c, i32 0
56  %splat = shufflevector <4 x half> %head, <4 x half> poison, <4 x i32> zeroinitializer
57  %neg = fneg <4 x half> %vb
58  %vd = call <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half> %va, <4 x half> %splat, <4 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
59  ret <4 x half> %vd
60}
61
62declare <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half>, <8 x half>, <8 x half>, metadata, metadata)
63
64define <8 x half> @vfmsub_vv_v8f16(<8 x half> %va, <8 x half> %vb, <8 x half> %vc) strictfp {
65; CHECK-LABEL: vfmsub_vv_v8f16:
66; CHECK:       # %bb.0:
67; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
68; CHECK-NEXT:    vfmsac.vv v8, v10, v9
69; CHECK-NEXT:    ret
70  %neg = fneg <8 x half> %va
71  %vd = call <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half> %vb, <8 x half> %vc, <8 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
72  ret <8 x half> %vd
73}
74
75define <8 x half> @vfmsub_vf_v8f16(<8 x half> %va, <8 x half> %vb, half %c) strictfp {
76; CHECK-LABEL: vfmsub_vf_v8f16:
77; CHECK:       # %bb.0:
78; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
79; CHECK-NEXT:    vfmsac.vf v8, fa0, v9
80; CHECK-NEXT:    ret
81  %head = insertelement <8 x half> poison, half %c, i32 0
82  %splat = shufflevector <8 x half> %head, <8 x half> poison, <8 x i32> zeroinitializer
83  %neg = fneg <8 x half> %va
84  %vd = call <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half> %vb, <8 x half> %splat, <8 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
85  ret <8 x half> %vd
86}
87
88declare <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half>, <16 x half>, <16 x half>, metadata, metadata)
89
90define <16 x half> @vfmsub_vv_v16f16(<16 x half> %va, <16 x half> %vb, <16 x half> %vc) strictfp {
91; CHECK-LABEL: vfmsub_vv_v16f16:
92; CHECK:       # %bb.0:
93; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
94; CHECK-NEXT:    vfmsub.vv v8, v12, v10
95; CHECK-NEXT:    ret
96  %neg = fneg <16 x half> %vb
97  %vd = call <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half> %vc, <16 x half> %va, <16 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
98  ret <16 x half> %vd
99}
100
101define <16 x half> @vfmsub_vf_v16f16(<16 x half> %va, <16 x half> %vb, half %c) strictfp {
102; CHECK-LABEL: vfmsub_vf_v16f16:
103; CHECK:       # %bb.0:
104; CHECK-NEXT:    vsetivli zero, 16, e16, m2, ta, ma
105; CHECK-NEXT:    vfmsub.vf v8, fa0, v10
106; CHECK-NEXT:    ret
107  %head = insertelement <16 x half> poison, half %c, i32 0
108  %splat = shufflevector <16 x half> %head, <16 x half> poison, <16 x i32> zeroinitializer
109  %neg = fneg <16 x half> %vb
110  %vd = call <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half> %va, <16 x half> %splat, <16 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
111  ret <16 x half> %vd
112}
113
114declare <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half>, <32 x half>, <32 x half>, metadata, metadata)
115
116define <32 x half> @vfmsub_vv_v32f16(<32 x half> %va, <32 x half> %vb, <32 x half> %vc) strictfp {
117; CHECK-LABEL: vfmsub_vv_v32f16:
118; CHECK:       # %bb.0:
119; CHECK-NEXT:    li a0, 32
120; CHECK-NEXT:    vsetvli zero, a0, e16, m4, ta, ma
121; CHECK-NEXT:    vfmsac.vv v8, v16, v12
122; CHECK-NEXT:    ret
123  %neg = fneg <32 x half> %va
124  %vd = call <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half> %vc, <32 x half> %vb, <32 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
125  ret <32 x half> %vd
126}
127
128define <32 x half> @vfmsub_vf_v32f16(<32 x half> %va, <32 x half> %vb, half %c) strictfp {
129; CHECK-LABEL: vfmsub_vf_v32f16:
130; CHECK:       # %bb.0:
131; CHECK-NEXT:    li a0, 32
132; CHECK-NEXT:    vsetvli zero, a0, e16, m4, ta, ma
133; CHECK-NEXT:    vfmsac.vf v8, fa0, v12
134; CHECK-NEXT:    ret
135  %head = insertelement <32 x half> poison, half %c, i32 0
136  %splat = shufflevector <32 x half> %head, <32 x half> poison, <32 x i32> zeroinitializer
137  %neg = fneg <32 x half> %va
138  %vd = call <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half> %vb, <32 x half> %splat, <32 x half> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
139  ret <32 x half> %vd
140}
141
142declare <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float>, <2 x float>, <2 x float>, metadata, metadata)
143
144define <2 x float> @vfmsub_vv_v2f32(<2 x float> %va, <2 x float> %vb, <2 x float> %vc) strictfp {
145; CHECK-LABEL: vfmsub_vv_v2f32:
146; CHECK:       # %bb.0:
147; CHECK-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
148; CHECK-NEXT:    vfmsub.vv v8, v10, v9
149; CHECK-NEXT:    ret
150  %neg = fneg <2 x float> %vb
151  %vd = call <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float> %va, <2 x float> %vc, <2 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
152  ret <2 x float> %vd
153}
154
155define <2 x float> @vfmsub_vf_v2f32(<2 x float> %va, <2 x float> %vb, float %c) strictfp {
156; CHECK-LABEL: vfmsub_vf_v2f32:
157; CHECK:       # %bb.0:
158; CHECK-NEXT:    vsetivli zero, 2, e32, mf2, ta, ma
159; CHECK-NEXT:    vfmsac.vf v8, fa0, v9
160; CHECK-NEXT:    ret
161  %head = insertelement <2 x float> poison, float %c, i32 0
162  %splat = shufflevector <2 x float> %head, <2 x float> poison, <2 x i32> zeroinitializer
163  %neg = fneg <2 x float> %va
164  %vd = call <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float> %vb, <2 x float> %splat, <2 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
165  ret <2 x float> %vd
166}
167
168declare <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float>, <4 x float>, <4 x float>, metadata, metadata)
169
170define <4 x float> @vfmsub_vv_v4f32(<4 x float> %va, <4 x float> %vb, <4 x float> %vc) strictfp {
171; CHECK-LABEL: vfmsub_vv_v4f32:
172; CHECK:       # %bb.0:
173; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
174; CHECK-NEXT:    vfmsub.vv v8, v9, v10
175; CHECK-NEXT:    ret
176  %neg = fneg <4 x float> %vc
177  %vd = call <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float> %vb, <4 x float> %va, <4 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
178  ret <4 x float> %vd
179}
180
181define <4 x float> @vfmsub_vf_v4f32(<4 x float> %va, <4 x float> %vb, float %c) strictfp {
182; CHECK-LABEL: vfmsub_vf_v4f32:
183; CHECK:       # %bb.0:
184; CHECK-NEXT:    vsetivli zero, 4, e32, m1, ta, ma
185; CHECK-NEXT:    vfmsub.vf v8, fa0, v9
186; CHECK-NEXT:    ret
187  %head = insertelement <4 x float> poison, float %c, i32 0
188  %splat = shufflevector <4 x float> %head, <4 x float> poison, <4 x i32> zeroinitializer
189  %neg = fneg <4 x float> %vb
190  %vd = call <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float> %va, <4 x float> %splat, <4 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
191  ret <4 x float> %vd
192}
193
194declare <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float>, <8 x float>, <8 x float>, metadata, metadata)
195
196define <8 x float> @vfmsub_vv_v8f32(<8 x float> %va, <8 x float> %vb, <8 x float> %vc) strictfp {
197; CHECK-LABEL: vfmsub_vv_v8f32:
198; CHECK:       # %bb.0:
199; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
200; CHECK-NEXT:    vfmsac.vv v8, v12, v10
201; CHECK-NEXT:    ret
202  %neg = fneg <8 x float> %va
203  %vd = call <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float> %vb, <8 x float> %vc, <8 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
204  ret <8 x float> %vd
205}
206
207define <8 x float> @vfmsub_vf_v8f32(<8 x float> %va, <8 x float> %vb, float %c) strictfp {
208; CHECK-LABEL: vfmsub_vf_v8f32:
209; CHECK:       # %bb.0:
210; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
211; CHECK-NEXT:    vfmsac.vf v8, fa0, v10
212; CHECK-NEXT:    ret
213  %head = insertelement <8 x float> poison, float %c, i32 0
214  %splat = shufflevector <8 x float> %head, <8 x float> poison, <8 x i32> zeroinitializer
215  %neg = fneg <8 x float> %va
216  %vd = call <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float> %vb, <8 x float> %splat, <8 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
217  ret <8 x float> %vd
218}
219
220declare <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float>, <16 x float>, <16 x float>, metadata, metadata)
221
222define <16 x float> @vfmsub_vv_v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc) strictfp {
223; CHECK-LABEL: vfmsub_vv_v16f32:
224; CHECK:       # %bb.0:
225; CHECK-NEXT:    vsetivli zero, 16, e32, m4, ta, ma
226; CHECK-NEXT:    vfmsub.vv v8, v16, v12
227; CHECK-NEXT:    ret
228  %neg = fneg <16 x float> %vb
229  %vd = call <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float> %vc, <16 x float> %va, <16 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
230  ret <16 x float> %vd
231}
232
233define <16 x float> @vfmsub_vf_v16f32(<16 x float> %va, <16 x float> %vb, float %c) strictfp {
234; CHECK-LABEL: vfmsub_vf_v16f32:
235; CHECK:       # %bb.0:
236; CHECK-NEXT:    vsetivli zero, 16, e32, m4, ta, ma
237; CHECK-NEXT:    vfmsub.vf v8, fa0, v12
238; CHECK-NEXT:    ret
239  %head = insertelement <16 x float> poison, float %c, i32 0
240  %splat = shufflevector <16 x float> %head, <16 x float> poison, <16 x i32> zeroinitializer
241  %neg = fneg <16 x float> %vb
242  %vd = call <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float> %va, <16 x float> %splat, <16 x float> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
243  ret <16 x float> %vd
244}
245
246declare <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double>, <2 x double>, <2 x double>, metadata, metadata)
247
248define <2 x double> @vfmsub_vv_v2f64(<2 x double> %va, <2 x double> %vb, <2 x double> %vc) strictfp {
249; CHECK-LABEL: vfmsub_vv_v2f64:
250; CHECK:       # %bb.0:
251; CHECK-NEXT:    vsetivli zero, 2, e64, m1, ta, ma
252; CHECK-NEXT:    vfmsub.vv v8, v10, v9
253; CHECK-NEXT:    ret
254  %neg = fneg <2 x double> %vb
255  %vd = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %va, <2 x double> %vc, <2 x double> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
256  ret <2 x double> %vd
257}
258
259define <2 x double> @vfmsub_vf_v2f64(<2 x double> %va, <2 x double> %vb, double %c) strictfp {
260; CHECK-LABEL: vfmsub_vf_v2f64:
261; CHECK:       # %bb.0:
262; CHECK-NEXT:    vsetivli zero, 2, e64, m1, ta, ma
263; CHECK-NEXT:    vfmsac.vf v8, fa0, v9
264; CHECK-NEXT:    ret
265  %head = insertelement <2 x double> poison, double %c, i32 0
266  %splat = shufflevector <2 x double> %head, <2 x double> poison, <2 x i32> zeroinitializer
267  %neg = fneg <2 x double> %va
268  %vd = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %vb, <2 x double> %splat, <2 x double> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
269  ret <2 x double> %vd
270}
271
272declare <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double>, <4 x double>, <4 x double>, metadata, metadata)
273
274define <4 x double> @vfmsub_vv_v4f64(<4 x double> %va, <4 x double> %vb, <4 x double> %vc) strictfp {
275; CHECK-LABEL: vfmsub_vv_v4f64:
276; CHECK:       # %bb.0:
277; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
278; CHECK-NEXT:    vfmsub.vv v8, v10, v12
279; CHECK-NEXT:    ret
280  %neg = fneg <4 x double> %vc
281  %vd = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %vb, <4 x double> %va, <4 x double> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
282  ret <4 x double> %vd
283}
284
285define <4 x double> @vfmsub_vf_v4f64(<4 x double> %va, <4 x double> %vb, double %c) strictfp {
286; CHECK-LABEL: vfmsub_vf_v4f64:
287; CHECK:       # %bb.0:
288; CHECK-NEXT:    vsetivli zero, 4, e64, m2, ta, ma
289; CHECK-NEXT:    vfmsub.vf v8, fa0, v10
290; CHECK-NEXT:    ret
291  %head = insertelement <4 x double> poison, double %c, i32 0
292  %splat = shufflevector <4 x double> %head, <4 x double> poison, <4 x i32> zeroinitializer
293  %neg = fneg <4 x double> %vb
294  %vd = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %va, <4 x double> %splat, <4 x double> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
295  ret <4 x double> %vd
296}
297
298declare <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double>, <8 x double>, <8 x double>, metadata, metadata)
299
300define <8 x double> @vfmsub_vv_v8f64(<8 x double> %va, <8 x double> %vb, <8 x double> %vc) strictfp {
301; CHECK-LABEL: vfmsub_vv_v8f64:
302; CHECK:       # %bb.0:
303; CHECK-NEXT:    vsetivli zero, 8, e64, m4, ta, ma
304; CHECK-NEXT:    vfmsac.vv v8, v16, v12
305; CHECK-NEXT:    ret
306  %neg = fneg <8 x double> %va
307  %vd = call <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double> %vb, <8 x double> %vc, <8 x double> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
308  ret <8 x double> %vd
309}
310
311define <8 x double> @vfmsub_vf_v8f64(<8 x double> %va, <8 x double> %vb, double %c) strictfp {
312; CHECK-LABEL: vfmsub_vf_v8f64:
313; CHECK:       # %bb.0:
314; CHECK-NEXT:    vsetivli zero, 8, e64, m4, ta, ma
315; CHECK-NEXT:    vfmsac.vf v8, fa0, v12
316; CHECK-NEXT:    ret
317  %head = insertelement <8 x double> poison, double %c, i32 0
318  %splat = shufflevector <8 x double> %head, <8 x double> poison, <8 x i32> zeroinitializer
319  %neg = fneg <8 x double> %va
320  %vd = call <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double> %vb, <8 x double> %splat, <8 x double> %neg, metadata !"round.dynamic", metadata !"fpexcept.strict")
321  ret <8 x double> %vd
322}
323