xref: /llvm-project/llvm/test/CodeGen/AArch64/complex-deinterleaving-f32-mul-scalable.ll (revision bfc0317153dca75137fba00b5c28758d6f720963) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s --mattr=+sve -o - | FileCheck %s
3
4target triple = "aarch64"
5
6; Expected to transform
7define <vscale x 4 x float> @complex_mul_v4f32(<vscale x 4 x float> %a, <vscale x 4 x float> %b) {
8; CHECK-LABEL: complex_mul_v4f32:
9; CHECK:       // %bb.0: // %entry
10; CHECK-NEXT:    mov z2.s, #0 // =0x0
11; CHECK-NEXT:    ptrue p0.s
12; CHECK-NEXT:    fcmla z2.s, p0/m, z1.s, z0.s, #0
13; CHECK-NEXT:    fcmla z2.s, p0/m, z1.s, z0.s, #90
14; CHECK-NEXT:    mov z0.d, z2.d
15; CHECK-NEXT:    ret
16entry:
17  %a.deinterleaved = tail call { <vscale x 2 x float>, <vscale x 2 x float> } @llvm.vector.deinterleave2.nxv4f32(<vscale x 4 x float> %a)
18  %a.real = extractvalue { <vscale x 2 x float>, <vscale x 2 x float> } %a.deinterleaved, 0
19  %a.imag = extractvalue { <vscale x 2 x float>, <vscale x 2 x float> } %a.deinterleaved, 1
20  %b.deinterleaved = tail call { <vscale x 2 x float>, <vscale x 2 x float> } @llvm.vector.deinterleave2.nxv4f32(<vscale x 4 x float> %b)
21  %b.real = extractvalue { <vscale x 2 x float>, <vscale x 2 x float> } %b.deinterleaved, 0
22  %b.imag = extractvalue { <vscale x 2 x float>, <vscale x 2 x float> } %b.deinterleaved, 1
23  %0 = fmul fast <vscale x 2 x float> %b.imag, %a.real
24  %1 = fmul fast <vscale x 2 x float> %b.real, %a.imag
25  %2 = fadd fast <vscale x 2 x float> %1, %0
26  %3 = fmul fast <vscale x 2 x float> %b.real, %a.real
27  %4 = fmul fast <vscale x 2 x float> %a.imag, %b.imag
28  %5 = fsub fast <vscale x 2 x float> %3, %4
29  %interleaved.vec = tail call <vscale x 4 x float> @llvm.vector.interleave2.nxv4f32(<vscale x 2 x float> %5, <vscale x 2 x float> %2)
30  ret <vscale x 4 x float> %interleaved.vec
31}
32
33; Expected to transform
34define <vscale x 8 x float> @complex_mul_v8f32(<vscale x 8 x float> %a, <vscale x 8 x float> %b) {
35; CHECK-LABEL: complex_mul_v8f32:
36; CHECK:       // %bb.0: // %entry
37; CHECK-NEXT:    mov z4.s, #0 // =0x0
38; CHECK-NEXT:    ptrue p0.s
39; CHECK-NEXT:    mov z5.d, z4.d
40; CHECK-NEXT:    fcmla z4.s, p0/m, z3.s, z1.s, #0
41; CHECK-NEXT:    fcmla z5.s, p0/m, z2.s, z0.s, #0
42; CHECK-NEXT:    fcmla z4.s, p0/m, z3.s, z1.s, #90
43; CHECK-NEXT:    fcmla z5.s, p0/m, z2.s, z0.s, #90
44; CHECK-NEXT:    mov z1.d, z4.d
45; CHECK-NEXT:    mov z0.d, z5.d
46; CHECK-NEXT:    ret
47entry:
48  %a.deinterleaved = tail call { <vscale x 4 x float>, <vscale x 4 x float> } @llvm.vector.deinterleave2.nxv8f32(<vscale x 8 x float> %a)
49  %a.real = extractvalue { <vscale x 4 x float>, <vscale x 4 x float> } %a.deinterleaved, 0
50  %a.imag = extractvalue { <vscale x 4 x float>, <vscale x 4 x float> } %a.deinterleaved, 1
51  %b.deinterleaved = tail call { <vscale x 4 x float>, <vscale x 4 x float> } @llvm.vector.deinterleave2.nxv8f32(<vscale x 8 x float> %b)
52  %b.real = extractvalue { <vscale x 4 x float>, <vscale x 4 x float> } %b.deinterleaved, 0
53  %b.imag = extractvalue { <vscale x 4 x float>, <vscale x 4 x float> } %b.deinterleaved, 1
54  %0 = fmul fast <vscale x 4 x float> %b.imag, %a.real
55  %1 = fmul fast <vscale x 4 x float> %b.real, %a.imag
56  %2 = fadd fast <vscale x 4 x float> %1, %0
57  %3 = fmul fast <vscale x 4 x float> %b.real, %a.real
58  %4 = fmul fast <vscale x 4 x float> %a.imag, %b.imag
59  %5 = fsub fast <vscale x 4 x float> %3, %4
60  %interleaved.vec = tail call <vscale x 8 x float> @llvm.vector.interleave2.nxv8f32(<vscale x 4 x float> %5, <vscale x 4 x float> %2)
61  ret <vscale x 8 x float> %interleaved.vec
62}
63
64; Expected to transform
65define <vscale x 16 x float> @complex_mul_v16f32(<vscale x 16 x float> %a, <vscale x 16 x float> %b) {
66; CHECK-LABEL: complex_mul_v16f32:
67; CHECK:       // %bb.0: // %entry
68; CHECK-NEXT:    mov z24.s, #0 // =0x0
69; CHECK-NEXT:    ptrue p0.s
70; CHECK-NEXT:    mov z25.d, z24.d
71; CHECK-NEXT:    mov z26.d, z24.d
72; CHECK-NEXT:    mov z27.d, z24.d
73; CHECK-NEXT:    fcmla z24.s, p0/m, z7.s, z3.s, #0
74; CHECK-NEXT:    fcmla z25.s, p0/m, z4.s, z0.s, #0
75; CHECK-NEXT:    fcmla z26.s, p0/m, z5.s, z1.s, #0
76; CHECK-NEXT:    fcmla z27.s, p0/m, z6.s, z2.s, #0
77; CHECK-NEXT:    fcmla z24.s, p0/m, z7.s, z3.s, #90
78; CHECK-NEXT:    fcmla z25.s, p0/m, z4.s, z0.s, #90
79; CHECK-NEXT:    fcmla z26.s, p0/m, z5.s, z1.s, #90
80; CHECK-NEXT:    fcmla z27.s, p0/m, z6.s, z2.s, #90
81; CHECK-NEXT:    mov z3.d, z24.d
82; CHECK-NEXT:    mov z0.d, z25.d
83; CHECK-NEXT:    mov z1.d, z26.d
84; CHECK-NEXT:    mov z2.d, z27.d
85; CHECK-NEXT:    ret
86entry:
87  %a.deinterleaved = tail call { <vscale x 8 x float>, <vscale x 8 x float> } @llvm.vector.deinterleave2.nxv16f32(<vscale x 16 x float> %a)
88  %a.real = extractvalue { <vscale x 8 x float>, <vscale x 8 x float> } %a.deinterleaved, 0
89  %a.imag = extractvalue { <vscale x 8 x float>, <vscale x 8 x float> } %a.deinterleaved, 1
90  %b.deinterleaved = tail call { <vscale x 8 x float>, <vscale x 8 x float> } @llvm.vector.deinterleave2.nxv16f32(<vscale x 16 x float> %b)
91  %b.real = extractvalue { <vscale x 8 x float>, <vscale x 8 x float> } %b.deinterleaved, 0
92  %b.imag = extractvalue { <vscale x 8 x float>, <vscale x 8 x float> } %b.deinterleaved, 1
93  %0 = fmul fast <vscale x 8 x float> %b.imag, %a.real
94  %1 = fmul fast <vscale x 8 x float> %b.real, %a.imag
95  %2 = fadd fast <vscale x 8 x float> %1, %0
96  %3 = fmul fast <vscale x 8 x float> %b.real, %a.real
97  %4 = fmul fast <vscale x 8 x float> %a.imag, %b.imag
98  %5 = fsub fast <vscale x 8 x float> %3, %4
99  %interleaved.vec = tail call <vscale x 16 x float> @llvm.vector.interleave2.nxv16f32(<vscale x 8 x float> %5, <vscale x 8 x float> %2)
100  ret <vscale x 16 x float> %interleaved.vec
101}
102
103declare { <vscale x 2 x float>, <vscale x 2 x float> } @llvm.vector.deinterleave2.nxv4f32(<vscale x 4 x float>)
104declare <vscale x 4 x float> @llvm.vector.interleave2.nxv4f32(<vscale x 2 x float>, <vscale x 2 x float>)
105
106declare { <vscale x 4 x float>, <vscale x 4 x float> } @llvm.vector.deinterleave2.nxv8f32(<vscale x 8 x float>)
107declare <vscale x 8 x float> @llvm.vector.interleave2.nxv8f32(<vscale x 4 x float>, <vscale x 4 x float>)
108
109declare { <vscale x 8 x float>, <vscale x 8 x float> } @llvm.vector.deinterleave2.nxv16f32(<vscale x 16 x float>)
110declare <vscale x 16 x float> @llvm.vector.interleave2.nxv16f32(<vscale x 8 x float>, <vscale x 8 x float>)
111
112