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comparison clang/test/CodeGen/libcalls.c @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 -fmath-errno -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-YES %s
2 // RUN: %clang_cc1 -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-NO %s
3 // RUN: %clang_cc1 -menable-unsafe-fp-math -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-FAST %s
4
5 // CHECK-YES-LABEL: define void @test_sqrt
6 // CHECK-NO-LABEL: define void @test_sqrt
7 // CHECK-FAST-LABEL: define void @test_sqrt
8 void test_sqrt(float a0, double a1, long double a2) {
9 // CHECK-YES: call float @sqrtf
10 // CHECK-NO: call float @llvm.sqrt.f32(float
11 // CHECK-FAST: call float @llvm.sqrt.f32(float
12 float l0 = sqrtf(a0);
13
14 // CHECK-YES: call double @sqrt
15 // CHECK-NO: call double @llvm.sqrt.f64(double
16 // CHECK-FAST: call double @llvm.sqrt.f64(double
17 double l1 = sqrt(a1);
18
19 // CHECK-YES: call x86_fp80 @sqrtl
20 // CHECK-NO: call x86_fp80 @llvm.sqrt.f80(x86_fp80
21 // CHECK-FAST: call x86_fp80 @llvm.sqrt.f80(x86_fp80
22 long double l2 = sqrtl(a2);
23 }
24
25 // CHECK-YES: declare float @sqrtf(float)
26 // CHECK-YES: declare double @sqrt(double)
27 // CHECK-YES: declare x86_fp80 @sqrtl(x86_fp80)
28 // CHECK-NO: declare float @llvm.sqrt.f32(float)
29 // CHECK-NO: declare double @llvm.sqrt.f64(double)
30 // CHECK-NO: declare x86_fp80 @llvm.sqrt.f80(x86_fp80)
31 // CHECK-FAST: declare float @llvm.sqrt.f32(float)
32 // CHECK-FAST: declare double @llvm.sqrt.f64(double)
33 // CHECK-FAST: declare x86_fp80 @llvm.sqrt.f80(x86_fp80)
34
35 // CHECK-YES-LABEL: define void @test_pow
36 // CHECK-NO-LABEL: define void @test_pow
37 void test_pow(float a0, double a1, long double a2) {
38 // CHECK-YES: call float @powf
39 // CHECK-NO: call float @llvm.pow.f32
40 float l0 = powf(a0, a0);
41
42 // CHECK-YES: call double @pow
43 // CHECK-NO: call double @llvm.pow.f64
44 double l1 = pow(a1, a1);
45
46 // CHECK-YES: call x86_fp80 @powl
47 // CHECK-NO: call x86_fp80 @llvm.pow.f80
48 long double l2 = powl(a2, a2);
49 }
50
51 // CHECK-YES: declare float @powf(float, float)
52 // CHECK-YES: declare double @pow(double, double)
53 // CHECK-YES: declare x86_fp80 @powl(x86_fp80, x86_fp80)
54 // CHECK-NO: declare float @llvm.pow.f32(float, float) [[NUW_RNI:#[0-9]+]]
55 // CHECK-NO: declare double @llvm.pow.f64(double, double) [[NUW_RNI]]
56 // CHECK-NO: declare x86_fp80 @llvm.pow.f80(x86_fp80, x86_fp80) [[NUW_RNI]]
57
58 // CHECK-YES-LABEL: define void @test_fma
59 // CHECK-NO-LABEL: define void @test_fma
60 void test_fma(float a0, double a1, long double a2) {
61 // CHECK-YES: call float @fmaf
62 // CHECK-NO: call float @llvm.fma.f32
63 float l0 = fmaf(a0, a0, a0);
64
65 // CHECK-YES: call double @fma
66 // CHECK-NO: call double @llvm.fma.f64
67 double l1 = fma(a1, a1, a1);
68
69 // CHECK-YES: call x86_fp80 @fmal
70 // CHECK-NO: call x86_fp80 @llvm.fma.f80
71 long double l2 = fmal(a2, a2, a2);
72 }
73
74 // CHECK-YES: declare float @fmaf(float, float, float)
75 // CHECK-YES: declare double @fma(double, double, double)
76 // CHECK-YES: declare x86_fp80 @fmal(x86_fp80, x86_fp80, x86_fp80)
77 // CHECK-NO: declare float @llvm.fma.f32(float, float, float) [[NUW_RN2:#[0-9]+]]
78 // CHECK-NO: declare double @llvm.fma.f64(double, double, double) [[NUW_RN2]]
79 // CHECK-NO: declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) [[NUW_RN2]]
80
81 // Just checking to make sure these library functions are marked readnone
82 void test_builtins(double d, float f, long double ld) {
83 // CHECK-NO: @test_builtins
84 // CHECK-YES: @test_builtins
85 double atan_ = atan(d);
86 long double atanl_ = atanl(ld);
87 float atanf_ = atanf(f);
88 // CHECK-NO: declare double @atan(double) [[NUW_RN:#[0-9]+]]
89 // CHECK-NO: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
90 // CHECK-NO: declare float @atanf(float) [[NUW_RN]]
91 // CHECK-YES-NOT: declare double @atan(double) [[NUW_RN]]
92 // CHECK-YES-NOT: declare x86_fp80 @atanl(x86_fp80) [[NUW_RN]]
93 // CHECK-YES-NOT: declare float @atanf(float) [[NUW_RN]]
94
95 double atan2_ = atan2(d, 2);
96 long double atan2l_ = atan2l(ld, ld);
97 float atan2f_ = atan2f(f, f);
98 // CHECK-NO: declare double @atan2(double, double) [[NUW_RN]]
99 // CHECK-NO: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
100 // CHECK-NO: declare float @atan2f(float, float) [[NUW_RN]]
101 // CHECK-YES-NOT: declare double @atan2(double, double) [[NUW_RN]]
102 // CHECK-YES-NOT: declare x86_fp80 @atan2l(x86_fp80, x86_fp80) [[NUW_RN]]
103 // CHECK-YES-NOT: declare float @atan2f(float, float) [[NUW_RN]]
104
105 double exp_ = exp(d);
106 long double expl_ = expl(ld);
107 float expf_ = expf(f);
108 // CHECK-NO: declare double @llvm.exp.f64(double) [[NUW_RNI]]
109 // CHECK-NO: declare x86_fp80 @llvm.exp.f80(x86_fp80) [[NUW_RNI]]
110 // CHECK-NO: declare float @llvm.exp.f32(float) [[NUW_RNI]]
111 // CHECK-YES-NOT: declare double @exp(double) [[NUW_RN]]
112 // CHECK-YES-NOT: declare x86_fp80 @expl(x86_fp80) [[NUW_RN]]
113 // CHECK-YES-NOT: declare float @expf(float) [[NUW_RN]]
114
115 double log_ = log(d);
116 long double logl_ = logl(ld);
117 float logf_ = logf(f);
118 // CHECK-NO: declare double @llvm.log.f64(double) [[NUW_RNI]]
119 // CHECK-NO: declare x86_fp80 @llvm.log.f80(x86_fp80) [[NUW_RNI]]
120 // CHECK-NO: declare float @llvm.log.f32(float) [[NUW_RNI]]
121 // CHECK-YES-NOT: declare double @log(double) [[NUW_RN]]
122 // CHECK-YES-NOT: declare x86_fp80 @logl(x86_fp80) [[NUW_RN]]
123 // CHECK-YES-NOT: declare float @logf(float) [[NUW_RN]]
124 }
125
126 // CHECK-NO-DAG: attributes [[NUW_RN]] = { nounwind readnone{{.*}} }
127 // CHECK-NO-DAG: attributes [[NUW_RNI]] = { nounwind readnone speculatable willreturn }