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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
| ; RUN: opt < %s -jump-threading -S | FileCheck %s
; Test whether two consecutive switches with identical structures assign the
; proper value to the proper variable. This is really testing
; Instruction::isIdenticalToWhenDefined, as previously that function was
; returning true if the value part of the operands of two phis were identical,
; even if the incoming blocks were not.
; NB: this function should be pruned down more.
%struct._GList = type { i8*, %struct._GList*, %struct._GList* }
%struct.filter_def = type { i8*, i8* }
@capture_filters = external hidden global %struct._GList*, align 8
@display_filters = external hidden global %struct._GList*, align 8
@.str2 = external hidden unnamed_addr constant [10 x i8], align 1
@__PRETTY_FUNCTION__.copy_filter_list = external hidden unnamed_addr constant [62 x i8], align 1
@.str12 = external hidden unnamed_addr constant [22 x i8], align 1
@.str13 = external hidden unnamed_addr constant [31 x i8], align 1
@capture_edited_filters = external hidden global %struct._GList*, align 8
@display_edited_filters = external hidden global %struct._GList*, align 8
@__PRETTY_FUNCTION__.get_filter_list = external hidden unnamed_addr constant [44 x i8], align 1
declare void @g_assertion_message(i8*, i8*, i32, i8*, i8*) noreturn
declare void @g_free(i8*)
declare %struct._GList* @g_list_first(%struct._GList*)
declare noalias i8* @g_malloc(i64)
define void @copy_filter_list(i32 %dest_type, i32 %src_type) nounwind uwtable ssp {
entry:
br label %do.body
do.body: ; preds = %entry
%cmp = icmp ne i32 %dest_type, %src_type
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %do.body
br label %if.end
if.else: ; preds = %do.body
call void @g_assertion_message_expr(i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str2, i32 0, i32 0), i32 581, i8* getelementptr inbounds ([62 x i8], [62 x i8]* @__PRETTY_FUNCTION__.copy_filter_list, i32 0, i32 0), i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str12, i32 0, i32 0)) noreturn
unreachable
if.end: ; preds = %if.then
br label %do.end
do.end: ; preds = %if.end
switch i32 %dest_type, label %sw.default.i [
i32 0, label %sw.bb.i
i32 1, label %sw.bb1.i
i32 2, label %sw.bb2.i
i32 3, label %sw.bb3.i
]
sw.bb.i: ; preds = %do.end
br label %get_filter_list.exit
sw.bb1.i: ; preds = %do.end
br label %get_filter_list.exit
sw.bb2.i: ; preds = %do.end
br label %get_filter_list.exit
sw.bb3.i: ; preds = %do.end
br label %get_filter_list.exit
sw.default.i: ; preds = %do.end
call void @g_assertion_message(i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str2, i32 0, i32 0), i32 408, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @__PRETTY_FUNCTION__.get_filter_list, i32 0, i32 0), i8* null) noreturn nounwind
unreachable
get_filter_list.exit: ; preds = %sw.bb3.i, %sw.bb2.i, %sw.bb1.i, %sw.bb.i
%0 = phi %struct._GList** [ @display_edited_filters, %sw.bb3.i ], [ @capture_edited_filters, %sw.bb2.i ], [ @display_filters, %sw.bb1.i ], [ @capture_filters, %sw.bb.i ]
switch i32 %src_type, label %sw.default.i5 [
i32 0, label %sw.bb.i1
i32 1, label %sw.bb1.i2
i32 2, label %sw.bb2.i3
i32 3, label %sw.bb3.i4
]
sw.bb.i1: ; preds = %get_filter_list.exit
br label %get_filter_list.exit6
sw.bb1.i2: ; preds = %get_filter_list.exit
br label %get_filter_list.exit6
sw.bb2.i3: ; preds = %get_filter_list.exit
br label %get_filter_list.exit6
sw.bb3.i4: ; preds = %get_filter_list.exit
br label %get_filter_list.exit6
sw.default.i5: ; preds = %get_filter_list.exit
call void @g_assertion_message(i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str2, i32 0, i32 0), i32 408, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @__PRETTY_FUNCTION__.get_filter_list, i32 0, i32 0), i8* null) noreturn nounwind
unreachable
; CHECK: get_filter_list.exit
get_filter_list.exit6: ; preds = %sw.bb3.i4, %sw.bb2.i3, %sw.bb1.i2, %sw.bb.i1
%1 = phi %struct._GList** [ @display_edited_filters, %sw.bb3.i4 ], [ @capture_edited_filters, %sw.bb2.i3 ], [ @display_filters, %sw.bb1.i2 ], [ @capture_filters, %sw.bb.i1 ]
; CHECK: %2 = load
%2 = load %struct._GList*, %struct._GList** %1, align 8
; We should have jump-threading insert an additional load here for the value
; coming out of the first switch, which is picked up by a subsequent phi
; CHECK: %.pr = load %struct._GList*, %struct._GList** %0
; CHECK-NEXT: br label %while.cond
br label %while.cond
; CHECK: while.cond
while.cond: ; preds = %while.body, %get_filter_list.exit6
; CHECK: {{= phi .*%.pr}}
%3 = load %struct._GList*, %struct._GList** %0, align 8
; CHECK: tobool
%tobool = icmp ne %struct._GList* %3, null
br i1 %tobool, label %while.body, label %while.end
while.body: ; preds = %while.cond
%4 = load %struct._GList*, %struct._GList** %0, align 8
%5 = load %struct._GList*, %struct._GList** %0, align 8
%call2 = call %struct._GList* @g_list_first(%struct._GList* %5)
%data.i = getelementptr inbounds %struct._GList, %struct._GList* %call2, i32 0, i32 0
%6 = load i8*, i8** %data.i, align 8
%7 = bitcast i8* %6 to %struct.filter_def*
%name.i = getelementptr inbounds %struct.filter_def, %struct.filter_def* %7, i32 0, i32 0
%8 = load i8*, i8** %name.i, align 8
call void @g_free(i8* %8) nounwind
%strval.i = getelementptr inbounds %struct.filter_def, %struct.filter_def* %7, i32 0, i32 1
%9 = load i8*, i8** %strval.i, align 8
call void @g_free(i8* %9) nounwind
%10 = bitcast %struct.filter_def* %7 to i8*
call void @g_free(i8* %10) nounwind
%call.i = call %struct._GList* @g_list_remove_link(%struct._GList* %4, %struct._GList* %call2) nounwind
store %struct._GList* %call.i, %struct._GList** %0, align 8
br label %while.cond
while.end: ; preds = %while.cond
br label %do.body4
do.body4: ; preds = %while.end
%11 = load %struct._GList*, %struct._GList** %0, align 8
%call5 = call i32 @g_list_length(%struct._GList* %11)
%cmp6 = icmp eq i32 %call5, 0
br i1 %cmp6, label %if.then7, label %if.else8
if.then7: ; preds = %do.body4
br label %if.end9
if.else8: ; preds = %do.body4
call void @g_assertion_message_expr(i8* null, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str2, i32 0, i32 0), i32 600, i8* getelementptr inbounds ([62 x i8], [62 x i8]* @__PRETTY_FUNCTION__.copy_filter_list, i32 0, i32 0), i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str13, i32 0, i32 0)) noreturn
unreachable
if.end9: ; preds = %if.then7
br label %do.end10
do.end10: ; preds = %if.end9
br label %while.cond11
while.cond11: ; preds = %cond.end, %do.end10
%cond10 = phi %struct._GList* [ %cond, %cond.end ], [ %2, %do.end10 ]
%tobool12 = icmp ne %struct._GList* %cond10, null
br i1 %tobool12, label %while.body13, label %while.end16
while.body13: ; preds = %while.cond11
%data = getelementptr inbounds %struct._GList, %struct._GList* %cond10, i32 0, i32 0
%12 = load i8*, i8** %data, align 8
%13 = bitcast i8* %12 to %struct.filter_def*
%14 = load %struct._GList*, %struct._GList** %0, align 8
%name = getelementptr inbounds %struct.filter_def, %struct.filter_def* %13, i32 0, i32 0
%15 = load i8*, i8** %name, align 8
%strval = getelementptr inbounds %struct.filter_def, %struct.filter_def* %13, i32 0, i32 1
%16 = load i8*, i8** %strval, align 8
%call.i7 = call noalias i8* @g_malloc(i64 16) nounwind
%17 = bitcast i8* %call.i7 to %struct.filter_def*
%call1.i = call noalias i8* @g_strdup(i8* %15) nounwind
%name.i8 = getelementptr inbounds %struct.filter_def, %struct.filter_def* %17, i32 0, i32 0
store i8* %call1.i, i8** %name.i8, align 8
%call2.i = call noalias i8* @g_strdup(i8* %16) nounwind
%strval.i9 = getelementptr inbounds %struct.filter_def, %struct.filter_def* %17, i32 0, i32 1
store i8* %call2.i, i8** %strval.i9, align 8
%18 = bitcast %struct.filter_def* %17 to i8*
%call3.i = call %struct._GList* @g_list_append(%struct._GList* %14, i8* %18) nounwind
store %struct._GList* %call3.i, %struct._GList** %0, align 8
%tobool15 = icmp ne %struct._GList* %cond10, null
br i1 %tobool15, label %cond.true, label %cond.false
cond.true: ; preds = %while.body13
%next = getelementptr inbounds %struct._GList, %struct._GList* %cond10, i32 0, i32 1
%19 = load %struct._GList*, %struct._GList** %next, align 8
br label %cond.end
cond.false: ; preds = %while.body13
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi %struct._GList* [ %19, %cond.true ], [ null, %cond.false ]
br label %while.cond11
while.end16: ; preds = %while.cond11
ret void
}
declare void @g_assertion_message_expr(i8*, i8*, i32, i8*, i8*) noreturn
declare i32 @g_list_length(%struct._GList*)
declare noalias i8* @g_strdup(i8*)
declare %struct._GList* @g_list_append(%struct._GList*, i8*)
declare %struct._GList* @g_list_remove_link(%struct._GList*, %struct._GList*)
|