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
|
; RUN: opt -loop-rotate -disable-output -verify-dom-info -verify-loop-info -verify-memoryssa < %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-darwin10.0.0"
; PR8955 - Rotating an outer loop that has a condbr for a latch block.
define void @test1() nounwind ssp {
entry:
br label %lbl_283
lbl_283: ; preds = %if.end, %entry
br i1 undef, label %if.else, label %if.then
if.then: ; preds = %lbl_283
br i1 undef, label %if.end, label %for.condthread-pre-split
for.condthread-pre-split: ; preds = %if.then
br label %for.cond
for.cond: ; preds = %for.cond, %for.condthread-pre-split
br i1 undef, label %lbl_281, label %for.cond
lbl_281: ; preds = %if.end, %for.cond
br label %if.end
if.end: ; preds = %lbl_281, %if.then
br i1 undef, label %lbl_283, label %lbl_281
if.else: ; preds = %lbl_283
ret void
}
%struct.relation = type { [4 x i16], i32, [4 x i16], i32, i32 }
define void @test2() {
entry:
br i1 false, label %bb139, label %bb10.i44
bb10.i44: ; preds = %entry
ret void
bb127: ; preds = %bb139
br label %bb139
bb139: ; preds = %bb127, %entry
br i1 false, label %bb127, label %bb142
bb142: ; preds = %bb139
%r91.0.lcssa = phi %struct.relation* [ null, %bb139 ] ; <%struct.relation*> [#uses=0]
ret void
}
define void @test3() {
entry:
br i1 false, label %bb139, label %cond_true
cond_true: ; preds = %entry
ret void
bb90: ; preds = %bb139
br i1 false, label %bb136, label %cond_next121
cond_next121: ; preds = %bb90
br i1 false, label %bb136, label %bb127
bb127: ; preds = %cond_next121
br label %bb136
bb136: ; preds = %bb127, %cond_next121, %bb90
%changes.1 = phi i32 [ %changes.2, %bb90 ], [ %changes.2, %cond_next121 ], [ 1, %bb127 ] ; <i32> [#uses=1]
br label %bb139
bb139: ; preds = %bb136, %entry
%changes.2 = phi i32 [ %changes.1, %bb136 ], [ 0, %entry ] ; <i32> [#uses=3]
br i1 false, label %bb90, label %bb142
bb142: ; preds = %bb139
%changes.2.lcssa = phi i32 [ %changes.2, %bb139 ] ; <i32> [#uses=0]
ret void
}
define void @test4() {
entry:
br i1 false, label %cond_false485, label %bb405
bb405: ; preds = %entry
ret void
cond_false485: ; preds = %entry
br label %bb830
bb511: ; preds = %bb830
br i1 false, label %bb816, label %bb830
cond_next667: ; preds = %bb816
br i1 false, label %cond_next695, label %bb680
bb676: ; preds = %bb680
br label %bb680
bb680: ; preds = %bb676, %cond_next667
%iftmp.68.0 = zext i1 false to i8 ; <i8> [#uses=1]
br i1 false, label %bb676, label %cond_next695
cond_next695: ; preds = %bb680, %cond_next667
%iftmp.68.2 = phi i8 [ %iftmp.68.0, %bb680 ], [ undef, %cond_next667 ] ; <i8> [#uses=0]
ret void
bb816: ; preds = %bb816, %bb511
br i1 false, label %cond_next667, label %bb816
bb830: ; preds = %bb511, %cond_false485
br i1 false, label %bb511, label %bb835
bb835: ; preds = %bb830
ret void
}
%struct.NSArray = type { %struct.NSObject }
%struct.NSObject = type { %struct.objc_class* }
%struct.NSRange = type { i64, i64 }
%struct._message_ref_t = type { %struct.NSObject* (%struct.NSObject*, %struct._message_ref_t*, ...)*, %struct.objc_selector* }
%struct.objc_class = type opaque
%struct.objc_selector = type opaque
@"\01L_OBJC_MESSAGE_REF_26" = external global %struct._message_ref_t ; <%struct._message_ref_t*> [#uses=1]
define %struct.NSArray* @test5(%struct.NSArray* %self, %struct._message_ref_t* %_cmd) {
entry:
br label %bb116
bb116: ; preds = %bb131, %entry
%tmp123 = call %struct.NSRange null( %struct.NSObject* null, %struct._message_ref_t* @"\01L_OBJC_MESSAGE_REF_26", %struct.NSArray* null ) ; <%struct.NSRange> [#uses=1]
br i1 false, label %bb141, label %bb131
bb131: ; preds = %bb116
%mrv_gr125 = extractvalue %struct.NSRange %tmp123, 1 ; <i64> [#uses=0]
br label %bb116
bb141: ; preds = %bb116
ret %struct.NSArray* null
}
define void @test6(i8* %msg) {
entry:
br label %bb15
bb6: ; preds = %bb15
%gep.upgrd.1 = zext i32 %offset.1 to i64 ; <i64> [#uses=1]
%tmp11 = getelementptr i8, i8* %msg, i64 %gep.upgrd.1 ; <i8*> [#uses=0]
br label %bb15
bb15: ; preds = %bb6, %entry
%offset.1 = add i32 0, 1 ; <i32> [#uses=2]
br i1 false, label %bb6, label %bb17
bb17: ; preds = %bb15
%offset.1.lcssa = phi i32 [ %offset.1, %bb15 ] ; <i32> [#uses=0]
%payload_type.1.lcssa = phi i32 [ 0, %bb15 ] ; <i32> [#uses=0]
ret void
}
; PR9523 - Non-canonical loop.
define void @test7(i8* %P) nounwind {
entry:
indirectbr i8* %P, [label %"3", label %"5"]
"3": ; preds = %"4", %entry
br i1 undef, label %"5", label %"4"
"4": ; preds = %"3"
br label %"3"
"5": ; preds = %"3", %entry
ret void
}
; PR21968
define void @test8(i1 %C, i8* %P) #0 {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
br i1 %C, label %l_bad, label %for.body
for.body: ; preds = %for.cond
indirectbr i8* %P, [label %for.inc, label %l_bad]
for.inc: ; preds = %for.body
br label %for.cond
l_bad: ; preds = %for.body, %for.cond
ret void
}
|
