aboutsummaryrefslogtreecommitdiffstats
path: root/test/Transforms/LCSSA/2006-10-31-UnreachableBlock.ll
blob: ecb1be5c674ed1550d067289260bff94ef8d7eb8 (plain)
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
; RUN: opt < %s -lcssa -disable-output
; PR977
; END.

define void @process_backlog() {
entry:
	br label %loopentry.preheader
loopentry.preheader:		; preds = %dead_block_after_break, %entry
	%work.0.ph = phi i32 [ %inc, %dead_block_after_break ], [ 0, %entry ]		; <i32> [#uses=0]
	br label %loopentry
loopentry:		; preds = %endif.1, %loopentry.preheader
	br i1 false, label %then.i, label %loopentry.__skb_dequeue67.exit_crit_edge
loopentry.__skb_dequeue67.exit_crit_edge:		; preds = %loopentry
	br label %__skb_dequeue67.exit
then.i:		; preds = %loopentry
	br label %__skb_dequeue67.exit
__skb_dequeue67.exit:		; preds = %then.i, %loopentry.__skb_dequeue67.exit_crit_edge
	br i1 false, label %then.0, label %__skb_dequeue67.exit.endif.0_crit_edge
__skb_dequeue67.exit.endif.0_crit_edge:		; preds = %__skb_dequeue67.exit
	br label %endif.0
then.0:		; preds = %__skb_dequeue67.exit
	br label %job_done
dead_block_after_goto:		; No predecessors!
	unreachable
endif.0:		; preds = %__skb_dequeue67.exit.endif.0_crit_edge
	br i1 false, label %then.0.i, label %endif.0.endif.0.i_crit_edge
endif.0.endif.0.i_crit_edge:		; preds = %endif.0
	br label %endif.0.i
then.0.i:		; preds = %endif.0
	br label %endif.0.i
endif.0.i:		; preds = %then.0.i, %endif.0.endif.0.i_crit_edge
	br i1 false, label %then.i.i, label %endif.0.i.skb_bond.exit.i_crit_edge
endif.0.i.skb_bond.exit.i_crit_edge:		; preds = %endif.0.i
	br label %skb_bond.exit.i
then.i.i:		; preds = %endif.0.i
	br label %skb_bond.exit.i
skb_bond.exit.i:		; preds = %then.i.i, %endif.0.i.skb_bond.exit.i_crit_edge
	br label %loopentry.0.i
loopentry.0.i:		; preds = %loopentry.0.i.backedge, %skb_bond.exit.i
	br i1 false, label %loopentry.0.i.no_exit.0.i_crit_edge, label %loopentry.0.i.loopexit.0.i_crit_edge
loopentry.0.i.loopexit.0.i_crit_edge:		; preds = %loopentry.0.i
	br label %loopexit.0.i
loopentry.0.i.no_exit.0.i_crit_edge:		; preds = %loopentry.0.i
	br label %no_exit.0.i
no_exit.0.i:		; preds = %then.3.i.no_exit.0.i_crit_edge, %loopentry.0.i.no_exit.0.i_crit_edge
	br i1 false, label %no_exit.0.i.shortcirc_done.0.i_crit_edge, label %shortcirc_next.0.i
no_exit.0.i.shortcirc_done.0.i_crit_edge:		; preds = %no_exit.0.i
	br label %shortcirc_done.0.i
shortcirc_next.0.i:		; preds = %no_exit.0.i
	br label %shortcirc_done.0.i
shortcirc_done.0.i:		; preds = %shortcirc_next.0.i, %no_exit.0.i.shortcirc_done.0.i_crit_edge
	br i1 false, label %then.1.i, label %endif.1.i
then.1.i:		; preds = %shortcirc_done.0.i
	br i1 false, label %then.2.i, label %then.1.i.endif.2.i_crit_edge
then.1.i.endif.2.i_crit_edge:		; preds = %then.1.i
	br label %endif.2.i
then.2.i:		; preds = %then.1.i
	br i1 false, label %then.3.i, label %else.0.i
then.3.i:		; preds = %then.2.i
	br i1 false, label %then.3.i.no_exit.0.i_crit_edge, label %then.3.i.loopexit.0.i_crit_edge
then.3.i.loopexit.0.i_crit_edge:		; preds = %then.3.i
	br label %loopexit.0.i
then.3.i.no_exit.0.i_crit_edge:		; preds = %then.3.i
	br label %no_exit.0.i
else.0.i:		; preds = %then.2.i
	br label %endif.2.i
endif.3.i:		; No predecessors!
	unreachable
endif.2.i:		; preds = %else.0.i, %then.1.i.endif.2.i_crit_edge
	br label %loopentry.0.i.backedge
endif.1.i:		; preds = %shortcirc_done.0.i
	br label %loopentry.0.i.backedge
loopentry.0.i.backedge:		; preds = %endif.1.i, %endif.2.i
	br label %loopentry.0.i
loopexit.0.i:		; preds = %then.3.i.loopexit.0.i_crit_edge, %loopentry.0.i.loopexit.0.i_crit_edge
	br label %loopentry.1.i
loopentry.1.i:		; preds = %loopentry.1.i.backedge, %loopexit.0.i
	br i1 false, label %loopentry.1.i.no_exit.1.i_crit_edge, label %loopentry.1.i.loopexit.1.i_crit_edge
loopentry.1.i.loopexit.1.i_crit_edge:		; preds = %loopentry.1.i
	br label %loopexit.1.i
loopentry.1.i.no_exit.1.i_crit_edge:		; preds = %loopentry.1.i
	br label %no_exit.1.i
no_exit.1.i:		; preds = %then.6.i.no_exit.1.i_crit_edge, %loopentry.1.i.no_exit.1.i_crit_edge
	br i1 false, label %shortcirc_next.1.i, label %no_exit.1.i.shortcirc_done.1.i_crit_edge
no_exit.1.i.shortcirc_done.1.i_crit_edge:		; preds = %no_exit.1.i
	br label %shortcirc_done.1.i
shortcirc_next.1.i:		; preds = %no_exit.1.i
	br i1 false, label %shortcirc_next.1.i.shortcirc_done.2.i_crit_edge, label %shortcirc_next.2.i
shortcirc_next.1.i.shortcirc_done.2.i_crit_edge:		; preds = %shortcirc_next.1.i
	br label %shortcirc_done.2.i
shortcirc_next.2.i:		; preds = %shortcirc_next.1.i
	br label %shortcirc_done.2.i
shortcirc_done.2.i:		; preds = %shortcirc_next.2.i, %shortcirc_next.1.i.shortcirc_done.2.i_crit_edge
	br label %shortcirc_done.1.i
shortcirc_done.1.i:		; preds = %shortcirc_done.2.i, %no_exit.1.i.shortcirc_done.1.i_crit_edge
	br i1 false, label %then.4.i, label %endif.4.i
then.4.i:		; preds = %shortcirc_done.1.i
	br i1 false, label %then.5.i, label %then.4.i.endif.5.i_crit_edge
then.4.i.endif.5.i_crit_edge:		; preds = %then.4.i
	br label %endif.5.i
then.5.i:		; preds = %then.4.i
	br i1 false, label %then.6.i, label %else.1.i
then.6.i:		; preds = %then.5.i
	br i1 false, label %then.6.i.no_exit.1.i_crit_edge, label %then.6.i.loopexit.1.i_crit_edge
then.6.i.loopexit.1.i_crit_edge:		; preds = %then.6.i
	br label %loopexit.1.i
then.6.i.no_exit.1.i_crit_edge:		; preds = %then.6.i
	br label %no_exit.1.i
else.1.i:		; preds = %then.5.i
	br label %endif.5.i
endif.6.i:		; No predecessors!
	unreachable
endif.5.i:		; preds = %else.1.i, %then.4.i.endif.5.i_crit_edge
	br label %loopentry.1.i.backedge
endif.4.i:		; preds = %shortcirc_done.1.i
	br label %loopentry.1.i.backedge
loopentry.1.i.backedge:		; preds = %endif.4.i, %endif.5.i
	br label %loopentry.1.i
loopexit.1.i:		; preds = %then.6.i.loopexit.1.i_crit_edge, %loopentry.1.i.loopexit.1.i_crit_edge
	br i1 false, label %then.7.i, label %else.2.i
then.7.i:		; preds = %loopexit.1.i
	br i1 false, label %then.8.i, label %else.3.i
then.8.i:		; preds = %then.7.i
	br label %netif_receive_skb.exit
else.3.i:		; preds = %then.7.i
	br label %netif_receive_skb.exit
endif.8.i:		; No predecessors!
	unreachable
else.2.i:		; preds = %loopexit.1.i
	br i1 false, label %else.2.i.shortcirc_done.i.i_crit_edge, label %shortcirc_next.i.i
else.2.i.shortcirc_done.i.i_crit_edge:		; preds = %else.2.i
	br label %shortcirc_done.i.i
shortcirc_next.i.i:		; preds = %else.2.i
	br label %shortcirc_done.i.i
shortcirc_done.i.i:		; preds = %shortcirc_next.i.i, %else.2.i.shortcirc_done.i.i_crit_edge
	br i1 false, label %then.i1.i, label %shortcirc_done.i.i.kfree_skb65.exit.i_crit_edge
shortcirc_done.i.i.kfree_skb65.exit.i_crit_edge:		; preds = %shortcirc_done.i.i
	br label %kfree_skb65.exit.i
then.i1.i:		; preds = %shortcirc_done.i.i
	br label %kfree_skb65.exit.i
kfree_skb65.exit.i:		; preds = %then.i1.i, %shortcirc_done.i.i.kfree_skb65.exit.i_crit_edge
	br label %netif_receive_skb.exit
netif_receive_skb.exit:		; preds = %kfree_skb65.exit.i, %else.3.i, %then.8.i
	br i1 false, label %then.i1, label %netif_receive_skb.exit.dev_put69.exit_crit_edge
netif_receive_skb.exit.dev_put69.exit_crit_edge:		; preds = %netif_receive_skb.exit
	br label %dev_put69.exit
then.i1:		; preds = %netif_receive_skb.exit
	br label %dev_put69.exit
dev_put69.exit:		; preds = %then.i1, %netif_receive_skb.exit.dev_put69.exit_crit_edge
	%inc = add i32 0, 1		; <i32> [#uses=1]
	br i1 false, label %dev_put69.exit.shortcirc_done_crit_edge, label %shortcirc_next
dev_put69.exit.shortcirc_done_crit_edge:		; preds = %dev_put69.exit
	br label %shortcirc_done
shortcirc_next:		; preds = %dev_put69.exit
	br label %shortcirc_done
shortcirc_done:		; preds = %shortcirc_next, %dev_put69.exit.shortcirc_done_crit_edge
	br i1 false, label %then.1, label %endif.1
then.1:		; preds = %shortcirc_done
	ret void
dead_block_after_break:		; No predecessors!
	br label %loopentry.preheader
endif.1:		; preds = %shortcirc_done
	br label %loopentry
loopexit:		; No predecessors!
	unreachable
after_ret.0:		; No predecessors!
	br label %job_done
job_done:		; preds = %after_ret.0, %then.0
	br label %loopentry.i
loopentry.i:		; preds = %no_exit.i, %job_done
	br i1 false, label %no_exit.i, label %clear_bit62.exit
no_exit.i:		; preds = %loopentry.i
	br label %loopentry.i
clear_bit62.exit:		; preds = %loopentry.i
	br i1 false, label %then.2, label %endif.2
then.2:		; preds = %clear_bit62.exit
	ret void
endif.2:		; preds = %clear_bit62.exit
	ret void
after_ret.1:		; No predecessors!
	ret void
return:		; No predecessors!
	unreachable
}