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
128
129
130
131
132
133
134
135
136
|
; RUN: opt -S -inline < %s | FileCheck %s
; Make sure that soft float implementations are calculated as being more expensive
; to the inliner.
define i32 @test_nofp() #0 {
; f_nofp() has the "use-soft-float" attribute, so it should never get inlined.
; CHECK-LABEL: test_nofp
; CHECK: call float @f_nofp
entry:
%responseX = alloca i32, align 4
%responseY = alloca i32, align 4
%responseZ = alloca i32, align 4
%valueX = alloca i8, align 1
%valueY = alloca i8, align 1
%valueZ = alloca i8, align 1
call void @getX(i32* %responseX, i8* %valueX)
call void @getY(i32* %responseY, i8* %valueY)
call void @getZ(i32* %responseZ, i8* %valueZ)
%0 = load i32, i32* %responseX
%1 = load i8, i8* %valueX
%call = call float @f_nofp(i32 %0, i8 zeroext %1)
%2 = load i32, i32* %responseZ
%3 = load i8, i8* %valueZ
%call2 = call float @f_nofp(i32 %2, i8 zeroext %3)
%call3 = call float @fabsf(float %call)
%cmp = fcmp ogt float %call3, 0x3FC1EB8520000000
br i1 %cmp, label %if.end12, label %if.else
if.else: ; preds = %entry
%4 = load i32, i32* %responseY
%5 = load i8, i8* %valueY
%call1 = call float @f_nofp(i32 %4, i8 zeroext %5)
%call4 = call float @fabsf(float %call1)
%cmp5 = fcmp ogt float %call4, 0x3FC1EB8520000000
br i1 %cmp5, label %if.end12, label %if.else7
if.else7: ; preds = %if.else
%call8 = call float @fabsf(float %call2)
%cmp9 = fcmp ogt float %call8, 0x3FC1EB8520000000
br i1 %cmp9, label %if.then10, label %if.end12
if.then10: ; preds = %if.else7
br label %if.end12
if.end12: ; preds = %if.else, %entry, %if.then10, %if.else7
%success.0 = phi i32 [ 0, %if.then10 ], [ 1, %if.else7 ], [ 0, %entry ], [ 0, %if.else ]
ret i32 %success.0
}
define i32 @test_hasfp() #0 {
; f_hasfp() does not have the "use-soft-float" attribute, so it should get inlined.
; CHECK-LABEL: test_hasfp
; CHECK-NOT: call float @f_hasfp
entry:
%responseX = alloca i32, align 4
%responseY = alloca i32, align 4
%responseZ = alloca i32, align 4
%valueX = alloca i8, align 1
%valueY = alloca i8, align 1
%valueZ = alloca i8, align 1
call void @getX(i32* %responseX, i8* %valueX)
call void @getY(i32* %responseY, i8* %valueY)
call void @getZ(i32* %responseZ, i8* %valueZ)
%0 = load i32, i32* %responseX
%1 = load i8, i8* %valueX
%call = call float @f_hasfp(i32 %0, i8 zeroext %1)
%2 = load i32, i32* %responseZ
%3 = load i8, i8* %valueZ
%call2 = call float @f_hasfp(i32 %2, i8 zeroext %3)
%call3 = call float @fabsf(float %call)
%cmp = fcmp ogt float %call3, 0x3FC1EB8520000000
br i1 %cmp, label %if.end12, label %if.else
if.else: ; preds = %entry
%4 = load i32, i32* %responseY
%5 = load i8, i8* %valueY
%call1 = call float @f_hasfp(i32 %4, i8 zeroext %5)
%call4 = call float @fabsf(float %call1)
%cmp5 = fcmp ogt float %call4, 0x3FC1EB8520000000
br i1 %cmp5, label %if.end12, label %if.else7
if.else7: ; preds = %if.else
%call8 = call float @fabsf(float %call2)
%cmp9 = fcmp ogt float %call8, 0x3FC1EB8520000000
br i1 %cmp9, label %if.then10, label %if.end12
if.then10: ; preds = %if.else7
br label %if.end12
if.end12: ; preds = %if.else, %entry, %if.then10, %if.else7
%success.0 = phi i32 [ 0, %if.then10 ], [ 1, %if.else7 ], [ 0, %entry ], [ 0, %if.else ]
ret i32 %success.0
}
declare void @getX(i32*, i8*) #0
declare void @getY(i32*, i8*) #0
declare void @getZ(i32*, i8*) #0
define internal float @f_hasfp(i32 %response, i8 zeroext %value1) #0 {
entry:
%conv = zext i8 %value1 to i32
%sub = add nsw i32 %conv, -1
%conv1 = sitofp i32 %sub to float
%0 = tail call float @llvm.pow.f32(float 0x3FF028F5C0000000, float %conv1)
%mul = fmul float %0, 2.620000e+03
%conv2 = sitofp i32 %response to float
%sub3 = fsub float %conv2, %mul
%div = fdiv float %sub3, %mul
ret float %div
}
define internal float @f_nofp(i32 %response, i8 zeroext %value1) #1 {
entry:
%conv = zext i8 %value1 to i32
%sub = add nsw i32 %conv, -1
%conv1 = sitofp i32 %sub to float
%0 = tail call float @llvm.pow.f32(float 0x3FF028F5C0000000, float %conv1)
%mul = fmul float %0, 2.620000e+03
%conv2 = sitofp i32 %response to float
%sub3 = fsub float %conv2, %mul
%div = fdiv float %sub3, %mul
ret float %div
}
declare float @fabsf(float) optsize minsize
declare float @llvm.pow.f32(float, float) optsize minsize
attributes #0 = { minsize optsize }
attributes #1 = { minsize optsize "use-soft-float"="true" }
|
