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1; RUN: opt < %s -instcombine -S | FileCheck %s
2
3define double @std_cabs(double %real, double %imag) {
4; CHECK-LABEL: define double @std_cabs(
5; CHECK: tail call double @cabs(
6  %call = tail call double @cabs(double %real, double %imag)
7  ret double %call
8}
9
10define float @std_cabsf(float %real, float %imag) {
11; CHECK-LABEL: define float @std_cabsf(
12; CHECK: tail call float @cabsf(
13  %call = tail call float @cabsf(float %real, float %imag)
14  ret float %call
15}
16
17define fp128 @std_cabsl(fp128 %real, fp128 %imag) {
18; CHECK-LABEL: define fp128 @std_cabsl(
19; CHECK: tail call fp128 @cabsl(
20  %call = tail call fp128 @cabsl(fp128 %real, fp128 %imag)
21  ret fp128 %call
22}
23
24define double @fast_cabs(double %real, double %imag) {
25; CHECK-LABEL: define double @fast_cabs(
26; CHECK: %1 = fmul fast double %real, %real
27; CHECK: %2 = fmul fast double %imag, %imag
28; CHECK: %3 = fadd fast double %1, %2
29; CHECK: %cabs = call fast double @llvm.sqrt.f64(double %3)
30; CHECK: ret double %cabs
31  %call = tail call fast double @cabs(double %real, double %imag)
32  ret double %call
33}
34
35define float @fast_cabsf(float %real, float %imag) {
36; CHECK-LABEL: define float @fast_cabsf(
37; CHECK: %1 = fmul fast float %real, %real
38; CHECK: %2 = fmul fast float %imag, %imag
39; CHECK: %3 = fadd fast float %1, %2
40; CHECK: %cabs = call fast float @llvm.sqrt.f32(float %3)
41; CHECK: ret float %cabs
42  %call = tail call fast float @cabsf(float %real, float %imag)
43  ret float %call
44}
45
46define fp128 @fast_cabsl(fp128 %real, fp128 %imag) {
47; CHECK-LABEL: define fp128 @fast_cabsl(
48; CHECK: %1 = fmul fast fp128 %real, %real
49; CHECK: %2 = fmul fast fp128 %imag, %imag
50; CHECK: %3 = fadd fast fp128 %1, %2
51; CHECK: %cabs = call fast fp128 @llvm.sqrt.f128(fp128 %3)
52; CHECK: ret fp128 %cabs
53  %call = tail call fast fp128 @cabsl(fp128 %real, fp128 %imag)
54  ret fp128 %call
55}
56
57declare double @cabs(double %real, double %imag)
58declare float @cabsf(float %real, float %imag)
59declare fp128 @cabsl(fp128 %real, fp128 %imag)
60