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
|
; RUN: llvm-as < %s | opt -jump-threading -disable-output
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9"
@Link = global [1 x i32] [ i32 -1 ] ; <[1 x i32]*> [#uses=2]
@W = global [1 x i32] [ i32 2 ] ; <[1 x i32]*> [#uses=1]
define i32 @f(i32 %k, i32 %p) nounwind {
entry:
br label %bb
bb: ; preds = %bb56, %bb76.loopexit.us, %entry
%j.2 = phi i32 [ 0, %entry ], [ 1, %bb56 ], [ 1, %bb76.loopexit.us ] ; <i32> [#uses=5]
%pdest.2 = phi i32 [ 0, %entry ], [ %pdest.8, %bb56 ], [ %pdest.7.us, %bb76.loopexit.us ] ; <i32> [#uses=3]
%p_addr.0 = phi i32 [ %p, %entry ], [ 0, %bb56 ], [ %p_addr.1.us, %bb76.loopexit.us ] ; <i32> [#uses=3]
%k_addr.0 = phi i32 [ %k, %entry ], [ %tmp59, %bb56 ], [ %tmp59.us, %bb76.loopexit.us ] ; <i32> [#uses=4]
%tmp2 = icmp sgt i32 %pdest.2, 2 ; <i1> [#uses=1]
br i1 %tmp2, label %bb4.preheader, label %bb13
bb4.preheader: ; preds = %bb
%tmp109 = sub i32 1, %j.2 ; <i32> [#uses=2]
%tmp110 = icmp slt i32 %tmp109, -2 ; <i1> [#uses=1]
%smax111 = select i1 %tmp110, i32 -2, i32 %tmp109 ; <i32> [#uses=2]
%tmp112 = add i32 %j.2, %smax111 ; <i32> [#uses=2]
br label %bb4
bb4: ; preds = %bb4, %bb4.preheader
%indvar = phi i32 [ 0, %bb4.preheader ], [ %indvar.next, %bb4 ] ; <i32> [#uses=1]
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, %tmp112 ; <i1> [#uses=1]
br i1 %exitcond, label %bb13.loopexit, label %bb4
bb13.loopexit: ; preds = %bb4
%tmp = add i32 %j.2, %pdest.2 ; <i32> [#uses=1]
%tmp102 = add i32 %tmp, %smax111 ; <i32> [#uses=1]
%tmp104 = add i32 %tmp112, -1 ; <i32> [#uses=1]
%tmp106 = sub i32 %j.2, %tmp104 ; <i32> [#uses=1]
%tmp107 = add i32 %tmp106, -1 ; <i32> [#uses=1]
br label %bb13
bb13: ; preds = %bb13.loopexit, %bb
%j.1 = phi i32 [ %tmp107, %bb13.loopexit ], [ %j.2, %bb ] ; <i32> [#uses=4]
%pdest.1 = phi i32 [ %tmp102, %bb13.loopexit ], [ %pdest.2, %bb ] ; <i32> [#uses=2]
%tmp15 = icmp eq i32 %j.1, 1 ; <i1> [#uses=1]
br i1 %tmp15, label %bb82, label %bb27.preheader
bb27.preheader: ; preds = %bb13
%tmp21 = icmp eq i32 %j.1, %p_addr.0 ; <i1> [#uses=0]
br label %bb27.outer
bb27.outer: ; preds = %bb27.outer.bb24.split_crit_edge, %bb27.preheader
%indvar118 = phi i32 [ 0, %bb27.preheader ], [ %indvar.next119, %bb27.outer.bb24.split_crit_edge ] ; <i32> [#uses=2]
%pdest.3.ph = add i32 %indvar118, %pdest.1 ; <i32> [#uses=2]
%tmp30 = icmp sgt i32 %pdest.3.ph, %p_addr.0 ; <i1> [#uses=1]
br i1 %tmp30, label %bb27.outer.bb24.split_crit_edge, label %bb27.outer.split
bb27.outer.bb24.split_crit_edge: ; preds = %bb27.outer
%indvar.next119 = add i32 %indvar118, 1 ; <i32> [#uses=1]
br label %bb27.outer
bb27.outer.split: ; preds = %bb27.outer
%tmp35 = getelementptr [1 x i32]* @W, i32 0, i32 %k_addr.0 ; <i32*> [#uses=3]
%tmp48 = icmp slt i32 %p_addr.0, 1 ; <i1> [#uses=1]
%tmp53 = icmp sgt i32 %k_addr.0, 0 ; <i1> [#uses=1]
br label %bb33
bb33: ; preds = %bb51.split, %bb27.outer.split
%pdest.5 = phi i32 [ %pdest.3.ph, %bb27.outer.split ], [ %pdest.4, %bb51.split ] ; <i32> [#uses=1]
%tmp36 = load i32* %tmp35, align 4 ; <i32> [#uses=2]
br i1 %tmp48, label %bb37.us, label %bb37
bb37.us: ; preds = %bb42.us, %bb37.us, %bb33
%D1361.1.us = phi i32 [ %tmp36, %bb33 ], [ 0, %bb42.us ], [ %D1361.1.us, %bb37.us ] ; <i32> [#uses=2]
%tmp39.us = icmp eq i32 %D1361.1.us, 0 ; <i1> [#uses=1]
br i1 %tmp39.us, label %bb37.us, label %bb42.us
bb42.us: ; preds = %bb37.us
store i32 0, i32* %tmp35, align 4
br label %bb37.us
bb37: ; preds = %bb33
%tmp39 = icmp eq i32 %tmp36, 0 ; <i1> [#uses=1]
br i1 %tmp39, label %bb51.split, label %bb42
bb42: ; preds = %bb37
store i32 0, i32* %tmp35, align 4
br label %bb51.split
bb51.split: ; preds = %bb42, %bb37
%pdest.4 = phi i32 [ 1, %bb42 ], [ %pdest.5, %bb37 ] ; <i32> [#uses=3]
br i1 %tmp53, label %bb33, label %bb56.preheader
bb56.preheader: ; preds = %bb51.split
%tmp7394 = icmp sgt i32 %j.1, 0 ; <i1> [#uses=1]
br i1 %tmp7394, label %bb56.us, label %bb56
bb56.us: ; preds = %bb76.loopexit.us, %bb56.preheader
%pdest.8.us = phi i32 [ %pdest.4, %bb56.preheader ], [ %pdest.7.us, %bb76.loopexit.us ] ; <i32> [#uses=1]
%k_addr.1.us = phi i32 [ %k_addr.0, %bb56.preheader ], [ %tmp59.us, %bb76.loopexit.us ] ; <i32> [#uses=1]
%tmp58.us = getelementptr [1 x i32]* @Link, i32 0, i32 %k_addr.1.us ; <i32*> [#uses=1]
%tmp59.us = load i32* %tmp58.us, align 4 ; <i32> [#uses=3]
%tmp6295.us = icmp ne i32 %tmp59.us, -1 ; <i1> [#uses=2]
br label %bb60.us
bb60.us: ; preds = %bb60.us, %bb56.us
%pdest.7.reg2mem.0.us = phi i32 [ %pdest.8.us, %bb56.us ], [ %pdest.7.us, %bb60.us ] ; <i32> [#uses=1]
%p_addr.1.reg2mem.0.us = phi i32 [ 0, %bb56.us ], [ %p_addr.1.us, %bb60.us ] ; <i32> [#uses=1]
%tmp67.us = zext i1 %tmp6295.us to i32 ; <i32> [#uses=2]
%pdest.7.us = add i32 %pdest.7.reg2mem.0.us, %tmp67.us ; <i32> [#uses=3]
%p_addr.1.us = add i32 %p_addr.1.reg2mem.0.us, %tmp67.us ; <i32> [#uses=3]
%tmp73.us = icmp slt i32 %p_addr.1.us, %j.1 ; <i1> [#uses=1]
br i1 %tmp73.us, label %bb60.us, label %bb76.loopexit.us
bb76.loopexit.us: ; preds = %bb60.us
br i1 %tmp6295.us, label %bb56.us, label %bb
bb56: ; preds = %bb56, %bb56.preheader
%pdest.8 = phi i32 [ %pdest.4, %bb56.preheader ], [ %pdest.8, %bb56 ] ; <i32> [#uses=2]
%k_addr.1 = phi i32 [ %k_addr.0, %bb56.preheader ], [ %tmp59, %bb56 ] ; <i32> [#uses=1]
%tmp58 = getelementptr [1 x i32]* @Link, i32 0, i32 %k_addr.1 ; <i32*> [#uses=1]
%tmp59 = load i32* %tmp58, align 4 ; <i32> [#uses=3]
%tmp6295 = icmp ne i32 %tmp59, -1 ; <i1> [#uses=1]
br i1 %tmp6295, label %bb56, label %bb
bb82: ; preds = %bb13
ret i32 %pdest.1
}
define i32 @main() nounwind {
entry:
%tmp1 = tail call i32 @f( i32 0, i32 2 ) nounwind ; <i32> [#uses=1]
%tmp2 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1]
br i1 %tmp2, label %bb, label %bb4
bb: ; preds = %entry
tail call void @abort( ) noreturn nounwind
unreachable
bb4: ; preds = %entry
ret i32 0
}
declare void @abort() noreturn nounwind
|
