1// RUN: %clang_cc1 -fmath-errno -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix YES %s
2// RUN: %clang_cc1 -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix NO %s
3
4// CHECK-YES: define void @test_sqrt
5// CHECK-NO: define void @test_sqrt
6void test_sqrt(float a0, double a1, long double a2) {
7  // Following llvm-gcc's lead, we never emit these as intrinsics;
8  // no-math-errno isn't good enough.  We could probably use intrinsics
9  // with appropriate guards if it proves worthwhile.
10
11  // CHECK-YES: call float @sqrtf
12  // CHECK-NO: call float @sqrtf
13  float l0 = sqrtf(a0);
14
15  // CHECK-YES: call double @sqrt
16  // CHECK-NO: call double @sqrt
17  double l1 = sqrt(a1);
18
19  // CHECK-YES: call x86_fp80 @sqrtl
20  // CHECK-NO: call x86_fp80 @sqrtl
21  long double l2 = sqrtl(a2);
22}
23
24// CHECK-YES: declare float @sqrtf(float)
25// CHECK-YES: declare double @sqrt(double)
26// CHECK-YES: declare x86_fp80 @sqrtl(x86_fp80)
27// CHECK-NO: declare float @sqrtf(float) [[NUW_RN:#[0-9]+]]
28// CHECK-NO: declare double @sqrt(double) [[NUW_RN]]
29// CHECK-NO: declare x86_fp80 @sqrtl(x86_fp80) [[NUW_RN]]
30
31// CHECK-YES: define void @test_pow
32// CHECK-NO: define void @test_pow
33void test_pow(float a0, double a1, long double a2) {
34  // CHECK-YES: call float @powf
35  // CHECK-NO: call float @llvm.pow.f32
36  float l0 = powf(a0, a0);
37
38  // CHECK-YES: call double @pow
39  // CHECK-NO: call double @llvm.pow.f64
40  double l1 = pow(a1, a1);
41
42  // CHECK-YES: call x86_fp80 @powl
43  // CHECK-NO: call x86_fp80 @llvm.pow.f80
44  long double l2 = powl(a2, a2);
45}
46
47// CHECK-YES: declare float @powf(float, float)
48// CHECK-YES: declare double @pow(double, double)
49// CHECK-YES: declare x86_fp80 @powl(x86_fp80, x86_fp80)
50// CHECK-NO: declare float @llvm.pow.f32(float, float) [[NUW_RO:#[0-9]+]]
51// CHECK-NO: declare double @llvm.pow.f64(double, double) [[NUW_RO]]
52// CHECK-NO: declare x86_fp80 @llvm.pow.f80(x86_fp80, x86_fp80) [[NUW_RO]]
53
54// CHECK-YES: define void @test_fma
55// CHECK-NO: define void @test_fma
56void test_fma(float a0, double a1, long double a2) {
57    // CHECK-YES: call float @llvm.fma.f32
58    // CHECK-NO: call float @llvm.fma.f32
59    float l0 = fmaf(a0, a0, a0);
60
61    // CHECK-YES: call double @llvm.fma.f64
62    // CHECK-NO: call double @llvm.fma.f64
63    double l1 = fma(a1, a1, a1);
64
65    // CHECK-YES: call x86_fp80 @llvm.fma.f80
66    // CHECK-NO: call x86_fp80 @llvm.fma.f80
67    long double l2 = fmal(a2, a2, a2);
68}
69
70// CHECK-YES: declare float @llvm.fma.f32(float, float, float) [[NUW_RN:#[0-9]+]]
71// CHECK-YES: declare double @llvm.fma.f64(double, double, double) [[NUW_RN]]
72// CHECK-YES: declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) [[NUW_RN]]
73// CHECK-NO: declare float @llvm.fma.f32(float, float, float) [[NUW_RN2:#[0-9]+]]
74// CHECK-NO: declare double @llvm.fma.f64(double, double, double) [[NUW_RN2]]
75// CHECK-NO: declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) [[NUW_RN2]]
76
77// Just checking to make sure these library functions are marked readnone
78void test_builtins(double d, float f, long double ld) {
79// CHEC-NO: @test_builtins
80// CHEC-YES: @test_builtins
81  double atan_ = atan(d);
82  long double atanl_ = atanl(ld);
83  float atanf_ = atanf(f);
84// CHECK-NO: declare double @atan(double) [[NUW_RN]]
85// CHECK-NO: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
86// CHECK-NO: declare float @atanf(float) [[NUW_RN]]
87// CHECK-YES-NOT: declare double @atan(double) [[NUW_RN]]
88// CHECK-YES-NOT: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
89// CHECK-YES-NOT: declare float @atanf(float) [[NUW_RN]]
90
91  double atan2_ = atan2(d, 2);
92  long double atan2l_ = atan2l(ld, ld);
93  float atan2f_ = atan2f(f, f);
94// CHECK-NO: declare double @atan2(double, double) [[NUW_RN]]
95// CHECK-NO: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
96// CHECK-NO: declare float @atan2f(float, float) [[NUW_RN]]
97// CHECK-YES-NOT: declare double @atan2(double, double) [[NUW_RN]]
98// CHECK-YES-NOT: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
99// CHECK-YES-NOT: declare float @atan2f(float, float) [[NUW_RN]]
100
101  double exp_ = exp(d);
102  long double expl_ = expl(ld);
103  float expf_ = expf(f);
104// CHECK-NO: declare double @exp(double) [[NUW_RN]]
105// CHECK-NO: declare x86_fp80 @expl(x86_fp80) [[NUW_RN]]
106// CHECK-NO: declare float @expf(float) [[NUW_RN]]
107// CHECK-YES-NOT: declare double @exp(double) [[NUW_RN]]
108// CHECK-YES-NOT: declare x86_fp80 @expl(x86_fp80) [[NUW_RN]]
109// CHECK-YES-NOT: declare float @expf(float) [[NUW_RN]]
110
111  double log_ = log(d);
112  long double logl_ = logl(ld);
113  float logf_ = logf(f);
114// CHECK-NO: declare double @log(double) [[NUW_RN]]
115// CHECK-NO: declare x86_fp80 @logl(x86_fp80) [[NUW_RN]]
116// CHECK-NO: declare float @logf(float) [[NUW_RN]]
117// CHECK-YES-NOT: declare double @log(double) [[NUW_RN]]
118// CHECK-YES-NOT: declare x86_fp80 @logl(x86_fp80) [[NUW_RN]]
119// CHECK-YES-NOT: declare float @logf(float) [[NUW_RN]]
120}
121
122// CHECK-YES: attributes [[NUW_RN]] = { nounwind readnone }
123
124// CHECK-NO: attributes [[NUW_RN]] = { nounwind readnone{{.*}} }
125// CHECK-NO: attributes [[NUW_RO]] = { nounwind readonly }
126