1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
// RUN: %clang_cc1 -fmath-errno -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-YES %s
// RUN: %clang_cc1 -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-NO %s
// RUN: %clang_cc1 -menable-unsafe-fp-math -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-FAST %s
// CHECK-YES-LABEL: define void @test_sqrt
// CHECK-NO-LABEL: define void @test_sqrt
// CHECK-FAST-LABEL: define void @test_sqrt
void test_sqrt(float a0, double a1, long double a2) {
// CHECK-YES: call float @sqrtf
// CHECK-NO: call float @llvm.sqrt.f32(float
// CHECK-FAST: call float @llvm.sqrt.f32(float
float l0 = sqrtf(a0);
// CHECK-YES: call double @sqrt
// CHECK-NO: call double @llvm.sqrt.f64(double
// CHECK-FAST: call double @llvm.sqrt.f64(double
double l1 = sqrt(a1);
// CHECK-YES: call x86_fp80 @sqrtl
// CHECK-NO: call x86_fp80 @llvm.sqrt.f80(x86_fp80
// CHECK-FAST: call x86_fp80 @llvm.sqrt.f80(x86_fp80
long double l2 = sqrtl(a2);
}
// CHECK-YES: declare float @sqrtf(float)
// CHECK-YES: declare double @sqrt(double)
// CHECK-YES: declare x86_fp80 @sqrtl(x86_fp80)
// CHECK-NO: declare float @llvm.sqrt.f32(float)
// CHECK-NO: declare double @llvm.sqrt.f64(double)
// CHECK-NO: declare x86_fp80 @llvm.sqrt.f80(x86_fp80)
// CHECK-FAST: declare float @llvm.sqrt.f32(float)
// CHECK-FAST: declare double @llvm.sqrt.f64(double)
// CHECK-FAST: declare x86_fp80 @llvm.sqrt.f80(x86_fp80)
// CHECK-YES-LABEL: define void @test_pow
// CHECK-NO-LABEL: define void @test_pow
void test_pow(float a0, double a1, long double a2) {
// CHECK-YES: call float @powf
// CHECK-NO: call float @llvm.pow.f32
float l0 = powf(a0, a0);
// CHECK-YES: call double @pow
// CHECK-NO: call double @llvm.pow.f64
double l1 = pow(a1, a1);
// CHECK-YES: call x86_fp80 @powl
// CHECK-NO: call x86_fp80 @llvm.pow.f80
long double l2 = powl(a2, a2);
}
// CHECK-YES: declare float @powf(float, float)
// CHECK-YES: declare double @pow(double, double)
// CHECK-YES: declare x86_fp80 @powl(x86_fp80, x86_fp80)
// CHECK-NO: declare float @llvm.pow.f32(float, float) [[NUW_RNI:#[0-9]+]]
// CHECK-NO: declare double @llvm.pow.f64(double, double) [[NUW_RNI]]
// CHECK-NO: declare x86_fp80 @llvm.pow.f80(x86_fp80, x86_fp80) [[NUW_RNI]]
// CHECK-YES-LABEL: define void @test_fma
// CHECK-NO-LABEL: define void @test_fma
void test_fma(float a0, double a1, long double a2) {
// CHECK-YES: call float @fmaf
// CHECK-NO: call float @llvm.fma.f32
float l0 = fmaf(a0, a0, a0);
// CHECK-YES: call double @fma
// CHECK-NO: call double @llvm.fma.f64
double l1 = fma(a1, a1, a1);
// CHECK-YES: call x86_fp80 @fmal
// CHECK-NO: call x86_fp80 @llvm.fma.f80
long double l2 = fmal(a2, a2, a2);
}
// CHECK-YES: declare float @fmaf(float, float, float)
// CHECK-YES: declare double @fma(double, double, double)
// CHECK-YES: declare x86_fp80 @fmal(x86_fp80, x86_fp80, x86_fp80)
// CHECK-NO: declare float @llvm.fma.f32(float, float, float) [[NUW_RN2:#[0-9]+]]
// CHECK-NO: declare double @llvm.fma.f64(double, double, double) [[NUW_RN2]]
// CHECK-NO: declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) [[NUW_RN2]]
// Just checking to make sure these library functions are marked readnone
void test_builtins(double d, float f, long double ld) {
// CHECK-NO: @test_builtins
// CHECK-YES: @test_builtins
double atan_ = atan(d);
long double atanl_ = atanl(ld);
float atanf_ = atanf(f);
// CHECK-NO: declare double @atan(double) [[NUW_RN:#[0-9]+]]
// CHECK-NO: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
// CHECK-NO: declare float @atanf(float) [[NUW_RN]]
// CHECK-YES-NOT: declare double @atan(double) [[NUW_RN]]
// CHECK-YES-NOT: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
// CHECK-YES-NOT: declare float @atanf(float) [[NUW_RN]]
double atan2_ = atan2(d, 2);
long double atan2l_ = atan2l(ld, ld);
float atan2f_ = atan2f(f, f);
// CHECK-NO: declare double @atan2(double, double) [[NUW_RN]]
// CHECK-NO: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
// CHECK-NO: declare float @atan2f(float, float) [[NUW_RN]]
// CHECK-YES-NOT: declare double @atan2(double, double) [[NUW_RN]]
// CHECK-YES-NOT: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
// CHECK-YES-NOT: declare float @atan2f(float, float) [[NUW_RN]]
double exp_ = exp(d);
long double expl_ = expl(ld);
float expf_ = expf(f);
// CHECK-NO: declare double @llvm.exp.f64(double) [[NUW_RNI]]
// CHECK-NO: declare x86_fp80 @llvm.exp.f80(x86_fp80) [[NUW_RNI]]
// CHECK-NO: declare float @llvm.exp.f32(float) [[NUW_RNI]]
// CHECK-YES-NOT: declare double @exp(double) [[NUW_RN]]
// CHECK-YES-NOT: declare x86_fp80 @expl(x86_fp80) [[NUW_RN]]
// CHECK-YES-NOT: declare float @expf(float) [[NUW_RN]]
double log_ = log(d);
long double logl_ = logl(ld);
float logf_ = logf(f);
// CHECK-NO: declare double @llvm.log.f64(double) [[NUW_RNI]]
// CHECK-NO: declare x86_fp80 @llvm.log.f80(x86_fp80) [[NUW_RNI]]
// CHECK-NO: declare float @llvm.log.f32(float) [[NUW_RNI]]
// CHECK-YES-NOT: declare double @log(double) [[NUW_RN]]
// CHECK-YES-NOT: declare x86_fp80 @logl(x86_fp80) [[NUW_RN]]
// CHECK-YES-NOT: declare float @logf(float) [[NUW_RN]]
}
// CHECK-NO-DAG: attributes [[NUW_RN]] = { nounwind readnone{{.*}} }
// CHECK-NO-DAG: attributes [[NUW_RNI]] = { nounwind readnone speculatable }
|
