1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s --mattr=+complxnum,+neon,+fullfp16 -o - | FileCheck %s
4 target triple = "aarch64"
7 ; Expected to transform
8 define <2 x double> @complex_add_v2f64(<2 x double> %a, <2 x double> %b) {
9 ; CHECK-LABEL: complex_add_v2f64:
10 ; CHECK: // %bb.0: // %entry
11 ; CHECK-NEXT: fcadd v0.2d, v1.2d, v0.2d, #90
14 %a.real = shufflevector <2 x double> %a, <2 x double> zeroinitializer, <1 x i32> <i32 0>
15 %a.imag = shufflevector <2 x double> %a, <2 x double> zeroinitializer, <1 x i32> <i32 1>
16 %b.real = shufflevector <2 x double> %b, <2 x double> zeroinitializer, <1 x i32> <i32 0>
17 %b.imag = shufflevector <2 x double> %b, <2 x double> zeroinitializer, <1 x i32> <i32 1>
18 %0 = fsub fast <1 x double> %b.real, %a.imag
19 %1 = fadd fast <1 x double> %b.imag, %a.real
20 %interleaved.vec = shufflevector <1 x double> %0, <1 x double> %1, <2 x i32> <i32 0, i32 1>
21 ret <2 x double> %interleaved.vec
24 ; Expected to transform
25 define <4 x double> @complex_add_v4f64(<4 x double> %a, <4 x double> %b) {
26 ; CHECK-LABEL: complex_add_v4f64:
27 ; CHECK: // %bb.0: // %entry
28 ; CHECK-NEXT: fcadd v1.2d, v3.2d, v1.2d, #90
29 ; CHECK-NEXT: fcadd v0.2d, v2.2d, v0.2d, #90
32 %a.real = shufflevector <4 x double> %a, <4 x double> zeroinitializer, <2 x i32> <i32 0, i32 2>
33 %a.imag = shufflevector <4 x double> %a, <4 x double> zeroinitializer, <2 x i32> <i32 1, i32 3>
34 %b.real = shufflevector <4 x double> %b, <4 x double> zeroinitializer, <2 x i32> <i32 0, i32 2>
35 %b.imag = shufflevector <4 x double> %b, <4 x double> zeroinitializer, <2 x i32> <i32 1, i32 3>
36 %0 = fsub fast <2 x double> %b.real, %a.imag
37 %1 = fadd fast <2 x double> %b.imag, %a.real
38 %interleaved.vec = shufflevector <2 x double> %0, <2 x double> %1, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
39 ret <4 x double> %interleaved.vec
42 ; Expected to transform
43 define <8 x double> @complex_add_v8f64(<8 x double> %a, <8 x double> %b) {
44 ; CHECK-LABEL: complex_add_v8f64:
45 ; CHECK: // %bb.0: // %entry
46 ; CHECK-NEXT: fcadd v2.2d, v6.2d, v2.2d, #90
47 ; CHECK-NEXT: fcadd v0.2d, v4.2d, v0.2d, #90
48 ; CHECK-NEXT: fcadd v1.2d, v5.2d, v1.2d, #90
49 ; CHECK-NEXT: fcadd v3.2d, v7.2d, v3.2d, #90
52 %a.real = shufflevector <8 x double> %a, <8 x double> zeroinitializer, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
53 %a.imag = shufflevector <8 x double> %a, <8 x double> zeroinitializer, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
54 %b.real = shufflevector <8 x double> %b, <8 x double> zeroinitializer, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
55 %b.imag = shufflevector <8 x double> %b, <8 x double> zeroinitializer, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
56 %0 = fsub fast <4 x double> %b.real, %a.imag
57 %1 = fadd fast <4 x double> %b.imag, %a.real
58 %interleaved.vec = shufflevector <4 x double> %0, <4 x double> %1, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
59 ret <8 x double> %interleaved.vec