xref: /llvm-project/llvm/test/CodeGen/Thumb2/mve-complex-deinterleaving-f16-mul.ll (revision 7b3bbd83c0c24087072ec5b22a76799ab31f87d5) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s --mattr=+mve.fp -o - | FileCheck %s
3
4target triple = "thumbv8.1m.main-none-none-eabi"
5
6; Expected to not transform
7define arm_aapcs_vfpcc <2 x half> @complex_mul_v2f16(<2 x half> %a, <2 x half> %b) {
8; CHECK-LABEL: complex_mul_v2f16:
9; CHECK:       @ %bb.0: @ %entry
10; CHECK-NEXT:    vmovx.f16 s2, s4
11; CHECK-NEXT:    vmovx.f16 s8, s0
12; CHECK-NEXT:    vmul.f16 s6, s2, s0
13; CHECK-NEXT:    vfma.f16 s6, s4, s8
14; CHECK-NEXT:    vmul.f16 s8, s8, s2
15; CHECK-NEXT:    vfnms.f16 s8, s4, s0
16; CHECK-NEXT:    vins.f16 s8, s6
17; CHECK-NEXT:    vmov q0, q2
18; CHECK-NEXT:    bx lr
19entry:
20  %a.real   = shufflevector <2 x half> %a, <2 x half> poison, <1 x i32> <i32 0>
21  %a.imag = shufflevector <2 x half> %a, <2 x half> poison, <1 x i32> <i32 1>
22  %b.real = shufflevector <2 x half> %b, <2 x half> poison, <1 x i32> <i32 0>
23  %b.imag = shufflevector <2 x half> %b, <2 x half> poison, <1 x i32> <i32 1>
24  %0 = fmul fast <1 x half> %b.imag, %a.real
25  %1 = fmul fast <1 x half> %b.real, %a.imag
26  %2 = fadd fast <1 x half> %1, %0
27  %3 = fmul fast <1 x half> %b.real, %a.real
28  %4 = fmul fast <1 x half> %a.imag, %b.imag
29  %5 = fsub fast <1 x half> %3, %4
30  %interleaved.vec = shufflevector <1 x half> %5, <1 x half> %2, <2 x i32> <i32 0, i32 1>
31  ret <2 x half> %interleaved.vec
32}
33
34; Expected to not transform
35define arm_aapcs_vfpcc <4 x half> @complex_mul_v4f16(<4 x half> %a, <4 x half> %b) {
36; CHECK-LABEL: complex_mul_v4f16:
37; CHECK:       @ %bb.0: @ %entry
38; CHECK-NEXT:    .vsave {d8, d9}
39; CHECK-NEXT:    vpush {d8, d9}
40; CHECK-NEXT:    vmovx.f16 s8, s0
41; CHECK-NEXT:    vmovx.f16 s2, s1
42; CHECK-NEXT:    vins.f16 s8, s2
43; CHECK-NEXT:    vmovx.f16 s12, s4
44; CHECK-NEXT:    vmovx.f16 s2, s5
45; CHECK-NEXT:    vins.f16 s0, s1
46; CHECK-NEXT:    vins.f16 s12, s2
47; CHECK-NEXT:    vins.f16 s4, s5
48; CHECK-NEXT:    vmul.f16 q4, q3, q0
49; CHECK-NEXT:    vfma.f16 q4, q1, q2
50; CHECK-NEXT:    vmul.f16 q2, q2, q3
51; CHECK-NEXT:    vneg.f16 q2, q2
52; CHECK-NEXT:    vfma.f16 q2, q1, q0
53; CHECK-NEXT:    vmovx.f16 s0, s16
54; CHECK-NEXT:    vmovx.f16 s9, s8
55; CHECK-NEXT:    vins.f16 s8, s16
56; CHECK-NEXT:    vins.f16 s9, s0
57; CHECK-NEXT:    vmov q0, q2
58; CHECK-NEXT:    vpop {d8, d9}
59; CHECK-NEXT:    bx lr
60entry:
61  %a.real   = shufflevector <4 x half> %a, <4 x half> poison, <2 x i32> <i32 0, i32 2>
62  %a.imag = shufflevector <4 x half> %a, <4 x half> poison, <2 x i32> <i32 1, i32 3>
63  %b.real = shufflevector <4 x half> %b, <4 x half> poison, <2 x i32> <i32 0, i32 2>
64  %b.imag = shufflevector <4 x half> %b, <4 x half> poison, <2 x i32> <i32 1, i32 3>
65  %0 = fmul fast <2 x half> %b.imag, %a.real
66  %1 = fmul fast <2 x half> %b.real, %a.imag
67  %2 = fadd fast <2 x half> %1, %0
68  %3 = fmul fast <2 x half> %b.real, %a.real
69  %4 = fmul fast <2 x half> %a.imag, %b.imag
70  %5 = fsub fast <2 x half> %3, %4
71  %interleaved.vec = shufflevector <2 x half> %5, <2 x half> %2, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
72  ret <4 x half> %interleaved.vec
73}
74
75; Expected to transform
76define arm_aapcs_vfpcc <8 x half> @complex_mul_v8f16(<8 x half> %a, <8 x half> %b) {
77; CHECK-LABEL: complex_mul_v8f16:
78; CHECK:       @ %bb.0: @ %entry
79; CHECK-NEXT:    vcmul.f16 q2, q0, q1, #0
80; CHECK-NEXT:    vcmla.f16 q2, q0, q1, #90
81; CHECK-NEXT:    vmov q0, q2
82; CHECK-NEXT:    bx lr
83entry:
84  %a.real   = shufflevector <8 x half> %a, <8 x half> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
85  %a.imag = shufflevector <8 x half> %a, <8 x half> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
86  %b.real = shufflevector <8 x half> %b, <8 x half> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
87  %b.imag = shufflevector <8 x half> %b, <8 x half> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
88  %0 = fmul fast <4 x half> %b.imag, %a.real
89  %1 = fmul fast <4 x half> %b.real, %a.imag
90  %2 = fadd fast <4 x half> %1, %0
91  %3 = fmul fast <4 x half> %b.real, %a.real
92  %4 = fmul fast <4 x half> %a.imag, %b.imag
93  %5 = fsub fast <4 x half> %3, %4
94  %interleaved.vec = shufflevector <4 x half> %5, <4 x half> %2, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
95  ret <8 x half> %interleaved.vec
96}
97
98; Expected to transform
99define arm_aapcs_vfpcc <16 x half> @complex_mul_v16f16(<16 x half> %a, <16 x half> %b) {
100; CHECK-LABEL: complex_mul_v16f16:
101; CHECK:       @ %bb.0: @ %entry
102; CHECK-NEXT:    .vsave {d8, d9}
103; CHECK-NEXT:    vpush {d8, d9}
104; CHECK-NEXT:    vcmul.f16 q4, q0, q2, #0
105; CHECK-NEXT:    vcmla.f16 q4, q0, q2, #90
106; CHECK-NEXT:    vcmul.f16 q2, q1, q3, #0
107; CHECK-NEXT:    vcmla.f16 q2, q1, q3, #90
108; CHECK-NEXT:    vmov q0, q4
109; CHECK-NEXT:    vmov q1, q2
110; CHECK-NEXT:    vpop {d8, d9}
111; CHECK-NEXT:    bx lr
112entry:
113  %a.real   = shufflevector <16 x half> %a, <16 x half> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
114  %a.imag = shufflevector <16 x half> %a, <16 x half> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
115  %b.real = shufflevector <16 x half> %b, <16 x half> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
116  %b.imag = shufflevector <16 x half> %b, <16 x half> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
117  %0 = fmul fast <8 x half> %b.imag, %a.real
118  %1 = fmul fast <8 x half> %b.real, %a.imag
119  %2 = fadd fast <8 x half> %1, %0
120  %3 = fmul fast <8 x half> %b.real, %a.real
121  %4 = fmul fast <8 x half> %a.imag, %b.imag
122  %5 = fsub fast <8 x half> %3, %4
123  %interleaved.vec = shufflevector <8 x half> %5, <8 x half> %2, <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
124  ret <16 x half> %interleaved.vec
125}
126
127; Expected to transform
128define arm_aapcs_vfpcc <32 x half> @complex_mul_v32f16(<32 x half> %a, <32 x half> %b) {
129; CHECK-LABEL: complex_mul_v32f16:
130; CHECK:       @ %bb.0: @ %entry
131; CHECK-NEXT:    .vsave {d8, d9, d10, d11, d12, d13}
132; CHECK-NEXT:    vpush {d8, d9, d10, d11, d12, d13}
133; CHECK-NEXT:    add r0, sp, #48
134; CHECK-NEXT:    vmov q4, q0
135; CHECK-NEXT:    vldrw.u32 q5, [r0]
136; CHECK-NEXT:    add r0, sp, #64
137; CHECK-NEXT:    vcmul.f16 q0, q0, q5, #0
138; CHECK-NEXT:    vcmla.f16 q0, q4, q5, #90
139; CHECK-NEXT:    vldrw.u32 q5, [r0]
140; CHECK-NEXT:    add r0, sp, #80
141; CHECK-NEXT:    vcmul.f16 q4, q1, q5, #0
142; CHECK-NEXT:    vcmla.f16 q4, q1, q5, #90
143; CHECK-NEXT:    vldrw.u32 q1, [r0]
144; CHECK-NEXT:    add r0, sp, #96
145; CHECK-NEXT:    vcmul.f16 q5, q2, q1, #0
146; CHECK-NEXT:    vcmla.f16 q5, q2, q1, #90
147; CHECK-NEXT:    vldrw.u32 q1, [r0]
148; CHECK-NEXT:    vmov q2, q5
149; CHECK-NEXT:    vcmul.f16 q6, q3, q1, #0
150; CHECK-NEXT:    vcmla.f16 q6, q3, q1, #90
151; CHECK-NEXT:    vmov q1, q4
152; CHECK-NEXT:    vmov q3, q6
153; CHECK-NEXT:    vpop {d8, d9, d10, d11, d12, d13}
154; CHECK-NEXT:    bx lr
155entry:
156  %a.real   = shufflevector <32 x half> %a, <32 x half> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
157  %a.imag = shufflevector <32 x half> %a, <32 x half> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
158  %b.real = shufflevector <32 x half> %b, <32 x half> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
159  %b.imag = shufflevector <32 x half> %b, <32 x half> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
160  %0 = fmul fast <16 x half> %b.imag, %a.real
161  %1 = fmul fast <16 x half> %b.real, %a.imag
162  %2 = fadd fast <16 x half> %1, %0
163  %3 = fmul fast <16 x half> %b.real, %a.real
164  %4 = fmul fast <16 x half> %a.imag, %b.imag
165  %5 = fsub fast <16 x half> %3, %4
166  %interleaved.vec = shufflevector <16 x half> %5, <16 x half> %2, <32 x i32> <i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23, i32 8, i32 24, i32 9, i32 25, i32 10, i32 26, i32 11, i32 27, i32 12, i32 28, i32 13, i32 29, i32 14, i32 30, i32 15, i32 31>
167  ret <32 x half> %interleaved.vec
168}
169