xref: /llvm-project/llvm/test/CodeGen/X86/complex-fastmath.ll (revision e9f9467da063875bd684e46660e2ff36ba4f55e2)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE
3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx  | FileCheck %s --check-prefix=AVX1
4; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefix=FMA
5; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefix=FMA
6
7; PR31866
8; complex float complex_square_f32(complex float x) {
9;   return x*x;
10; }
11
12define <2 x float> @complex_square_f32(<2 x float>) #0 {
13; SSE-LABEL: complex_square_f32:
14; SSE:       # %bb.0:
15; SSE-NEXT:    movshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
16; SSE-NEXT:    movaps %xmm0, %xmm2
17; SSE-NEXT:    addss %xmm0, %xmm2
18; SSE-NEXT:    mulss %xmm1, %xmm2
19; SSE-NEXT:    mulss %xmm0, %xmm0
20; SSE-NEXT:    mulss %xmm1, %xmm1
21; SSE-NEXT:    subss %xmm1, %xmm0
22; SSE-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[2,3]
23; SSE-NEXT:    retq
24;
25; AVX1-LABEL: complex_square_f32:
26; AVX1:       # %bb.0:
27; AVX1-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
28; AVX1-NEXT:    vaddss %xmm0, %xmm0, %xmm2
29; AVX1-NEXT:    vmulss %xmm2, %xmm1, %xmm2
30; AVX1-NEXT:    vmulss %xmm0, %xmm0, %xmm0
31; AVX1-NEXT:    vmulss %xmm1, %xmm1, %xmm1
32; AVX1-NEXT:    vsubss %xmm1, %xmm0, %xmm0
33; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[2,3]
34; AVX1-NEXT:    retq
35;
36; FMA-LABEL: complex_square_f32:
37; FMA:       # %bb.0:
38; FMA-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
39; FMA-NEXT:    vaddss %xmm0, %xmm0, %xmm2
40; FMA-NEXT:    vmulss %xmm2, %xmm1, %xmm2
41; FMA-NEXT:    vmulss %xmm1, %xmm1, %xmm1
42; FMA-NEXT:    vfmsub231ss {{.*#+}} xmm1 = (xmm0 * xmm0) - xmm1
43; FMA-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0],xmm2[0],xmm1[2,3]
44; FMA-NEXT:    retq
45  %2 = extractelement <2 x float> %0, i32 0
46  %3 = extractelement <2 x float> %0, i32 1
47  %4 = fmul fast float %3, 2.000000e+00
48  %5 = fmul fast float %4, %2
49  %6 = fmul fast float %2, %2
50  %7 = fmul fast float %3, %3
51  %8 = fsub fast float %6, %7
52  %9 = insertelement <2 x float> undef, float %8, i32 0
53  %10 = insertelement <2 x float> %9, float %5, i32 1
54  ret <2 x float> %10
55}
56
57define <2 x double> @complex_square_f64(<2 x double>) #0 {
58; SSE-LABEL: complex_square_f64:
59; SSE:       # %bb.0:
60; SSE-NEXT:    movapd %xmm0, %xmm1
61; SSE-NEXT:    unpckhpd {{.*#+}} xmm1 = xmm1[1],xmm0[1]
62; SSE-NEXT:    movapd %xmm0, %xmm2
63; SSE-NEXT:    addsd %xmm0, %xmm2
64; SSE-NEXT:    mulsd %xmm1, %xmm2
65; SSE-NEXT:    mulsd %xmm0, %xmm0
66; SSE-NEXT:    mulsd %xmm1, %xmm1
67; SSE-NEXT:    subsd %xmm1, %xmm0
68; SSE-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
69; SSE-NEXT:    retq
70;
71; AVX1-LABEL: complex_square_f64:
72; AVX1:       # %bb.0:
73; AVX1-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0]
74; AVX1-NEXT:    vaddsd %xmm0, %xmm0, %xmm2
75; AVX1-NEXT:    vmulsd %xmm2, %xmm1, %xmm2
76; AVX1-NEXT:    vmulsd %xmm0, %xmm0, %xmm0
77; AVX1-NEXT:    vmulsd %xmm1, %xmm1, %xmm1
78; AVX1-NEXT:    vsubsd %xmm1, %xmm0, %xmm0
79; AVX1-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
80; AVX1-NEXT:    retq
81;
82; FMA-LABEL: complex_square_f64:
83; FMA:       # %bb.0:
84; FMA-NEXT:    vshufpd {{.*#+}} xmm1 = xmm0[1,0]
85; FMA-NEXT:    vaddsd %xmm0, %xmm0, %xmm2
86; FMA-NEXT:    vmulsd %xmm2, %xmm1, %xmm2
87; FMA-NEXT:    vmulsd %xmm1, %xmm1, %xmm1
88; FMA-NEXT:    vfmsub231sd {{.*#+}} xmm1 = (xmm0 * xmm0) - xmm1
89; FMA-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm1[0],xmm2[0]
90; FMA-NEXT:    retq
91  %2 = extractelement <2 x double> %0, i32 0
92  %3 = extractelement <2 x double> %0, i32 1
93  %4 = fmul fast double %3, 2.000000e+00
94  %5 = fmul fast double %4, %2
95  %6 = fmul fast double %2, %2
96  %7 = fmul fast double %3, %3
97  %8 = fsub fast double %6, %7
98  %9 = insertelement <2 x double> undef, double %8, i32 0
99  %10 = insertelement <2 x double> %9, double %5, i32 1
100  ret <2 x double> %10
101}
102
103; complex float complex_mul_f32(complex float x, complex float y) {
104;   return x*y;
105; }
106
107define <2 x float> @complex_mul_f32(<2 x float>, <2 x float>) #0 {
108; SSE-LABEL: complex_mul_f32:
109; SSE:       # %bb.0:
110; SSE-NEXT:    movshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
111; SSE-NEXT:    movshdup {{.*#+}} xmm3 = xmm1[1,1,3,3]
112; SSE-NEXT:    movaps %xmm3, %xmm4
113; SSE-NEXT:    mulss %xmm0, %xmm4
114; SSE-NEXT:    mulss %xmm1, %xmm0
115; SSE-NEXT:    mulss %xmm2, %xmm1
116; SSE-NEXT:    addss %xmm4, %xmm1
117; SSE-NEXT:    mulss %xmm2, %xmm3
118; SSE-NEXT:    subss %xmm3, %xmm0
119; SSE-NEXT:    insertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
120; SSE-NEXT:    retq
121;
122; AVX1-LABEL: complex_mul_f32:
123; AVX1:       # %bb.0:
124; AVX1-NEXT:    vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
125; AVX1-NEXT:    vmovshdup {{.*#+}} xmm3 = xmm1[1,1,3,3]
126; AVX1-NEXT:    vmulss %xmm0, %xmm3, %xmm4
127; AVX1-NEXT:    vmulss %xmm2, %xmm1, %xmm5
128; AVX1-NEXT:    vaddss %xmm5, %xmm4, %xmm4
129; AVX1-NEXT:    vmulss %xmm0, %xmm1, %xmm0
130; AVX1-NEXT:    vmulss %xmm2, %xmm3, %xmm1
131; AVX1-NEXT:    vsubss %xmm1, %xmm0, %xmm0
132; AVX1-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm4[0],xmm0[2,3]
133; AVX1-NEXT:    retq
134;
135; FMA-LABEL: complex_mul_f32:
136; FMA:       # %bb.0:
137; FMA-NEXT:    vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
138; FMA-NEXT:    vmovshdup {{.*#+}} xmm3 = xmm1[1,1,3,3]
139; FMA-NEXT:    vmulss %xmm2, %xmm1, %xmm4
140; FMA-NEXT:    vfmadd231ss {{.*#+}} xmm4 = (xmm3 * xmm0) + xmm4
141; FMA-NEXT:    vmulss %xmm2, %xmm3, %xmm2
142; FMA-NEXT:    vfmsub231ss {{.*#+}} xmm2 = (xmm1 * xmm0) - xmm2
143; FMA-NEXT:    vinsertps {{.*#+}} xmm0 = xmm2[0],xmm4[0],xmm2[2,3]
144; FMA-NEXT:    retq
145  %3 = extractelement <2 x float> %0, i32 0
146  %4 = extractelement <2 x float> %0, i32 1
147  %5 = extractelement <2 x float> %1, i32 0
148  %6 = extractelement <2 x float> %1, i32 1
149  %7 = fmul fast float %6, %3
150  %8 = fmul fast float %5, %4
151  %9 = fadd fast float %7, %8
152  %10 = fmul fast float %5, %3
153  %11 = fmul fast float %6, %4
154  %12 = fsub fast float %10, %11
155  %13 = insertelement <2 x float> undef, float %12, i32 0
156  %14 = insertelement <2 x float> %13, float %9, i32 1
157  ret <2 x float> %14
158}
159
160define <2 x double> @complex_mul_f64(<2 x double>, <2 x double>) #0 {
161; SSE-LABEL: complex_mul_f64:
162; SSE:       # %bb.0:
163; SSE-NEXT:    movapd %xmm0, %xmm2
164; SSE-NEXT:    unpckhpd {{.*#+}} xmm2 = xmm2[1],xmm0[1]
165; SSE-NEXT:    movapd %xmm1, %xmm3
166; SSE-NEXT:    unpckhpd {{.*#+}} xmm3 = xmm3[1],xmm1[1]
167; SSE-NEXT:    movapd %xmm3, %xmm4
168; SSE-NEXT:    mulsd %xmm0, %xmm4
169; SSE-NEXT:    mulsd %xmm1, %xmm0
170; SSE-NEXT:    mulsd %xmm2, %xmm1
171; SSE-NEXT:    addsd %xmm4, %xmm1
172; SSE-NEXT:    mulsd %xmm2, %xmm3
173; SSE-NEXT:    subsd %xmm3, %xmm0
174; SSE-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0]
175; SSE-NEXT:    retq
176;
177; AVX1-LABEL: complex_mul_f64:
178; AVX1:       # %bb.0:
179; AVX1-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0]
180; AVX1-NEXT:    vshufpd {{.*#+}} xmm3 = xmm1[1,0]
181; AVX1-NEXT:    vmulsd %xmm0, %xmm3, %xmm4
182; AVX1-NEXT:    vmulsd %xmm2, %xmm1, %xmm5
183; AVX1-NEXT:    vaddsd %xmm5, %xmm4, %xmm4
184; AVX1-NEXT:    vmulsd %xmm0, %xmm1, %xmm0
185; AVX1-NEXT:    vmulsd %xmm2, %xmm3, %xmm1
186; AVX1-NEXT:    vsubsd %xmm1, %xmm0, %xmm0
187; AVX1-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm4[0]
188; AVX1-NEXT:    retq
189;
190; FMA-LABEL: complex_mul_f64:
191; FMA:       # %bb.0:
192; FMA-NEXT:    vshufpd {{.*#+}} xmm2 = xmm0[1,0]
193; FMA-NEXT:    vshufpd {{.*#+}} xmm3 = xmm1[1,0]
194; FMA-NEXT:    vmulsd %xmm2, %xmm1, %xmm4
195; FMA-NEXT:    vfmadd231sd {{.*#+}} xmm4 = (xmm3 * xmm0) + xmm4
196; FMA-NEXT:    vmulsd %xmm2, %xmm3, %xmm2
197; FMA-NEXT:    vfmsub231sd {{.*#+}} xmm2 = (xmm1 * xmm0) - xmm2
198; FMA-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm2[0],xmm4[0]
199; FMA-NEXT:    retq
200  %3 = extractelement <2 x double> %0, i32 0
201  %4 = extractelement <2 x double> %0, i32 1
202  %5 = extractelement <2 x double> %1, i32 0
203  %6 = extractelement <2 x double> %1, i32 1
204  %7 = fmul fast double %6, %3
205  %8 = fmul fast double %5, %4
206  %9 = fadd fast double %7, %8
207  %10 = fmul fast double %5, %3
208  %11 = fmul fast double %6, %4
209  %12 = fsub fast double %10, %11
210  %13 = insertelement <2 x double> undef, double %12, i32 0
211  %14 = insertelement <2 x double> %13, double %9, i32 1
212  ret <2 x double> %14
213}
214
215attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "less-precise-fpmad"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "unsafe-fp-math"="true"  }
216