1 ; RUN: llvm-as < %s | llc -limit-float-precision=6 -march=x86 | \
2 ; RUN: not grep exp | not grep log | not grep pow
3 ; RUN: llvm-as < %s | llc -limit-float-precision=12 -march=x86 | \
4 ; RUN: not grep exp | not grep log | not grep pow
5 ; RUN: llvm-as < %s | llc -limit-float-precision=18 -march=x86 | \
6 ; RUN: not grep exp | not grep log | not grep pow
7 target triple = "i386-apple-darwin9.5"
9 define float @f1(float %x) nounwind noinline {
11 %x_addr = alloca float ; <float*> [#uses=2]
12 %retval = alloca float ; <float*> [#uses=2]
13 %0 = alloca float ; <float*> [#uses=2]
14 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
15 store float %x, float* %x_addr
16 %1 = load float* %x_addr, align 4 ; <float> [#uses=1]
17 %2 = call float @llvm.exp.f32(float %1) ; <float> [#uses=1]
18 store float %2, float* %0, align 4
19 %3 = load float* %0, align 4 ; <float> [#uses=1]
20 store float %3, float* %retval, align 4
23 return: ; preds = %entry
24 %retval1 = load float* %retval ; <float> [#uses=1]
28 declare float @llvm.exp.f32(float) nounwind readonly
30 define float @f2(float %x) nounwind noinline {
32 %x_addr = alloca float ; <float*> [#uses=2]
33 %retval = alloca float ; <float*> [#uses=2]
34 %0 = alloca float ; <float*> [#uses=2]
35 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
36 store float %x, float* %x_addr
37 %1 = load float* %x_addr, align 4 ; <float> [#uses=1]
38 %2 = call float @llvm.exp2.f32(float %1) ; <float> [#uses=1]
39 store float %2, float* %0, align 4
40 %3 = load float* %0, align 4 ; <float> [#uses=1]
41 store float %3, float* %retval, align 4
44 return: ; preds = %entry
45 %retval1 = load float* %retval ; <float> [#uses=1]
49 declare float @llvm.exp2.f32(float) nounwind readonly
51 define float @f3(float %x) nounwind noinline {
53 %x_addr = alloca float ; <float*> [#uses=2]
54 %retval = alloca float ; <float*> [#uses=2]
55 %0 = alloca float ; <float*> [#uses=2]
56 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
57 store float %x, float* %x_addr
58 %1 = load float* %x_addr, align 4 ; <float> [#uses=1]
59 %2 = call float @llvm.pow.f32(float 1.000000e+01, float %1) ; <float> [#uses=1]
60 store float %2, float* %0, align 4
61 %3 = load float* %0, align 4 ; <float> [#uses=1]
62 store float %3, float* %retval, align 4
65 return: ; preds = %entry
66 %retval1 = load float* %retval ; <float> [#uses=1]
70 declare float @llvm.pow.f32(float, float) nounwind readonly
72 define float @f4(float %x) nounwind noinline {
74 %x_addr = alloca float ; <float*> [#uses=2]
75 %retval = alloca float ; <float*> [#uses=2]
76 %0 = alloca float ; <float*> [#uses=2]
77 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
78 store float %x, float* %x_addr
79 %1 = load float* %x_addr, align 4 ; <float> [#uses=1]
80 %2 = call float @llvm.log.f32(float %1) ; <float> [#uses=1]
81 store float %2, float* %0, align 4
82 %3 = load float* %0, align 4 ; <float> [#uses=1]
83 store float %3, float* %retval, align 4
86 return: ; preds = %entry
87 %retval1 = load float* %retval ; <float> [#uses=1]
91 declare float @llvm.log.f32(float) nounwind readonly
93 define float @f5(float %x) nounwind noinline {
95 %x_addr = alloca float ; <float*> [#uses=2]
96 %retval = alloca float ; <float*> [#uses=2]
97 %0 = alloca float ; <float*> [#uses=2]
98 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
99 store float %x, float* %x_addr
100 %1 = load float* %x_addr, align 4 ; <float> [#uses=1]
101 %2 = call float @llvm.log2.f32(float %1) ; <float> [#uses=1]
102 store float %2, float* %0, align 4
103 %3 = load float* %0, align 4 ; <float> [#uses=1]
104 store float %3, float* %retval, align 4
107 return: ; preds = %entry
108 %retval1 = load float* %retval ; <float> [#uses=1]
112 declare float @llvm.log2.f32(float) nounwind readonly
114 define float @f6(float %x) nounwind noinline {
116 %x_addr = alloca float ; <float*> [#uses=2]
117 %retval = alloca float ; <float*> [#uses=2]
118 %0 = alloca float ; <float*> [#uses=2]
119 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
120 store float %x, float* %x_addr
121 %1 = load float* %x_addr, align 4 ; <float> [#uses=1]
122 %2 = call float @llvm.log10.f32(float %1) ; <float> [#uses=1]
123 store float %2, float* %0, align 4
124 %3 = load float* %0, align 4 ; <float> [#uses=1]
125 store float %3, float* %retval, align 4
128 return: ; preds = %entry
129 %retval1 = load float* %retval ; <float> [#uses=1]
133 declare float @llvm.log10.f32(float) nounwind readonly