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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
; RUN: opt -O2 -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin11.1"
%"struct.boost::compressed_pair<empty_t,int>" = type { %"struct.boost::details::compressed_pair_imp<empty_t,int,1>" }
%"struct.boost::details::compressed_pair_imp<empty_t,int,1>" = type { i32 }
%struct.empty_base_t = type <{ i8 }>
%struct.empty_t = type <{ i8 }>
@.str = private constant [25 x i8] c"x.second() was clobbered\00", align 1 ; <ptr> [#uses=1]
define i32 @main(i32 %argc, ptr %argv) ssp {
entry:
%argc_addr = alloca i32, align 4 ; <ptr> [#uses=1]
%argv_addr = alloca ptr, align 8 ; <ptr> [#uses=1]
%retval = alloca i32 ; <ptr> [#uses=2]
%0 = alloca i32 ; <ptr> [#uses=2]
%retval.1 = alloca i8 ; <ptr> [#uses=2]
%1 = alloca %struct.empty_base_t ; <ptr> [#uses=1]
%2 = alloca ptr ; <ptr> [#uses=1]
%x = alloca %"struct.boost::compressed_pair<empty_t,int>" ; <ptr> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %argc, ptr %argc_addr
store ptr %argv, ptr %argv_addr
%3 = call ptr @_ZN5boost15compressed_pairI7empty_tiE6secondEv(ptr %x) ssp ; <ptr> [#uses=1]
store i32 -3, ptr %3, align 4
%4 = call ptr @_ZN5boost15compressed_pairI7empty_tiE5firstEv(ptr %x) ssp ; <ptr> [#uses=1]
store ptr %4, ptr %2, align 8
call void @_ZN7empty_tC1Ev(ptr %1) nounwind
%5 = call ptr @_ZN5boost15compressed_pairI7empty_tiE6secondEv(ptr %x) ssp ; <ptr> [#uses=1]
%6 = load i32, ptr %5, align 4 ; <i32> [#uses=1]
%7 = icmp ne i32 %6, -3 ; <i1> [#uses=1]
%8 = zext i1 %7 to i8 ; <i8> [#uses=1]
store i8 %8, ptr %retval.1, align 1
%9 = load i8, ptr %retval.1, align 1 ; <i8> [#uses=1]
%toBool = icmp ne i8 %9, 0 ; <i1> [#uses=1]
br i1 %toBool, label %bb, label %bb1
bb: ; preds = %entry
%10 = call i32 @puts(ptr @.str) ; <i32> [#uses=0]
call void @abort() noreturn
unreachable
bb1: ; preds = %entry
store i32 0, ptr %0, align 4
%11 = load i32, ptr %0, align 4 ; <i32> [#uses=1]
store i32 %11, ptr %retval, align 4
br label %return
; CHECK-NOT: x.second() was clobbered
; CHECK: ret i32
return: ; preds = %bb1
%retval2 = load i32, ptr %retval ; <i32> [#uses=1]
ret i32 %retval2
}
define linkonce_odr void @_ZN12empty_base_tC2Ev(ptr %this) nounwind ssp align 2 {
entry:
%this_addr = alloca ptr, align 8 ; <ptr> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store ptr %this, ptr %this_addr
br label %return
return: ; preds = %entry
ret void
}
define linkonce_odr void @_ZN7empty_tC1Ev(ptr %this) nounwind ssp align 2 {
entry:
%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store ptr %this, ptr %this_addr
%0 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
call void @_ZN12empty_base_tC2Ev(ptr %0) nounwind
br label %return
return: ; preds = %entry
ret void
}
define linkonce_odr ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE6secondEv(ptr %this) nounwind ssp align 2 {
entry:
%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
%retval = alloca ptr ; <ptr> [#uses=2]
%0 = alloca ptr ; <ptr> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store ptr %this, ptr %this_addr
%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
%2 = getelementptr inbounds %"struct.boost::details::compressed_pair_imp<empty_t,int,1>", ptr %1, i32 0, i32 0 ; <ptr> [#uses=1]
store ptr %2, ptr %0, align 8
%3 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
store ptr %3, ptr %retval, align 8
br label %return
return: ; preds = %entry
%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
ret ptr %retval1
}
define linkonce_odr ptr @_ZN5boost15compressed_pairI7empty_tiE6secondEv(ptr %this) ssp align 2 {
entry:
%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
%retval = alloca ptr ; <ptr> [#uses=2]
%0 = alloca ptr ; <ptr> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store ptr %this, ptr %this_addr
%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
%2 = getelementptr inbounds %"struct.boost::compressed_pair<empty_t,int>", ptr %1, i32 0, i32 0 ; <ptr> [#uses=1]
%3 = call ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE6secondEv(ptr %2) nounwind ; <ptr> [#uses=1]
store ptr %3, ptr %0, align 8
%4 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
store ptr %4, ptr %retval, align 8
br label %return
return: ; preds = %entry
%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
ret ptr %retval1
}
define linkonce_odr ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE5firstEv(ptr %this) nounwind ssp align 2 {
entry:
%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
%retval = alloca ptr ; <ptr> [#uses=2]
%0 = alloca ptr ; <ptr> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store ptr %this, ptr %this_addr
%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
store ptr %1, ptr %0, align 8
%2 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
store ptr %2, ptr %retval, align 8
br label %return
return: ; preds = %entry
%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
ret ptr %retval1
}
define linkonce_odr ptr @_ZN5boost15compressed_pairI7empty_tiE5firstEv(ptr %this) ssp align 2 {
entry:
%this_addr = alloca ptr, align 8 ; <ptr> [#uses=2]
%retval = alloca ptr ; <ptr> [#uses=2]
%0 = alloca ptr ; <ptr> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store ptr %this, ptr %this_addr
%1 = load ptr, ptr %this_addr, align 8 ; <ptr> [#uses=1]
%2 = getelementptr inbounds %"struct.boost::compressed_pair<empty_t,int>", ptr %1, i32 0, i32 0 ; <ptr> [#uses=1]
%3 = call ptr @_ZN5boost7details19compressed_pair_impI7empty_tiLi1EE5firstEv(ptr %2) nounwind ; <ptr> [#uses=1]
store ptr %3, ptr %0, align 8
%4 = load ptr, ptr %0, align 8 ; <ptr> [#uses=1]
store ptr %4, ptr %retval, align 8
br label %return
return: ; preds = %entry
%retval1 = load ptr, ptr %retval ; <ptr> [#uses=1]
ret ptr %retval1
}
declare i32 @puts(ptr)
declare void @abort() noreturn
|
