1; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
2target datalayout = "E-m:e-i64:64-n32:64"
3target triple = "powerpc64-unknown-linux-gnu"
4
5; Function Attrs: nounwind
6define void @jbd2_journal_commit_transaction(i32* %journal) #0 {
7entry:
8  br i1 undef, label %do.body, label %if.then5
9
10if.then5:                                         ; preds = %entry
11  unreachable
12
13do.body:                                          ; preds = %entry
14  br i1 undef, label %do.body.i, label %trace_jbd2_start_commit.exit
15
16do.body.i:                                        ; preds = %do.body
17  unreachable
18
19trace_jbd2_start_commit.exit:                     ; preds = %do.body
20  br i1 undef, label %do.body.i1116, label %trace_jbd2_commit_locking.exit
21
22do.body.i1116:                                    ; preds = %trace_jbd2_start_commit.exit
23  br i1 undef, label %if.end.i1123, label %do.body5.i1122
24
25do.body5.i1122:                                   ; preds = %do.body.i1116
26  unreachable
27
28if.end.i1123:                                     ; preds = %do.body.i1116
29  br label %trace_jbd2_commit_locking.exit
30
31trace_jbd2_commit_locking.exit:                   ; preds = %if.end.i1123, %trace_jbd2_start_commit.exit
32  br i1 undef, label %spin_unlock.exit1146, label %if.then.i.i.i.i1144
33
34if.then.i.i.i.i1144:                              ; preds = %trace_jbd2_commit_locking.exit
35  unreachable
36
37spin_unlock.exit1146:                             ; preds = %trace_jbd2_commit_locking.exit
38  br i1 undef, label %spin_unlock.exit1154, label %if.then.i.i.i.i1152
39
40if.then.i.i.i.i1152:                              ; preds = %spin_unlock.exit1146
41  br label %spin_unlock.exit1154
42
43spin_unlock.exit1154:                             ; preds = %if.then.i.i.i.i1152, %spin_unlock.exit1146
44  br i1 undef, label %do.body.i1159, label %trace_jbd2_commit_flushing.exit
45
46do.body.i1159:                                    ; preds = %spin_unlock.exit1154
47  unreachable
48
49trace_jbd2_commit_flushing.exit:                  ; preds = %spin_unlock.exit1154
50  br i1 undef, label %for.end.i, label %for.body.lr.ph.i
51
52for.body.lr.ph.i:                                 ; preds = %trace_jbd2_commit_flushing.exit
53  br i1 undef, label %spin_unlock.exit.i, label %if.then.i.i.i.i.i
54
55if.then.i.i.i.i.i:                                ; preds = %for.body.lr.ph.i
56  unreachable
57
58spin_unlock.exit.i:                               ; preds = %for.body.lr.ph.i
59  unreachable
60
61for.end.i:                                        ; preds = %trace_jbd2_commit_flushing.exit
62  br i1 undef, label %journal_submit_data_buffers.exit, label %if.then.i.i.i.i31.i
63
64if.then.i.i.i.i31.i:                              ; preds = %for.end.i
65  unreachable
66
67journal_submit_data_buffers.exit:                 ; preds = %for.end.i
68  br i1 undef, label %if.end103, label %if.then102
69
70if.then102:                                       ; preds = %journal_submit_data_buffers.exit
71  unreachable
72
73if.end103:                                        ; preds = %journal_submit_data_buffers.exit
74  br i1 undef, label %do.body.i1182, label %trace_jbd2_commit_logging.exit
75
76do.body.i1182:                                    ; preds = %if.end103
77  unreachable
78
79trace_jbd2_commit_logging.exit:                   ; preds = %if.end103
80  br i1 undef, label %for.end.i1287, label %for.body.i1277
81
82for.body.i1277:                                   ; preds = %trace_jbd2_commit_logging.exit
83  unreachable
84
85for.end.i1287:                                    ; preds = %trace_jbd2_commit_logging.exit
86  br i1 undef, label %journal_finish_inode_data_buffers.exit, label %if.then.i.i.i.i84.i
87
88if.then.i.i.i.i84.i:                              ; preds = %for.end.i1287
89  unreachable
90
91journal_finish_inode_data_buffers.exit:           ; preds = %for.end.i1287
92  br i1 undef, label %if.end256, label %if.then249
93
94if.then249:                                       ; preds = %journal_finish_inode_data_buffers.exit
95  unreachable
96
97if.end256:                                        ; preds = %journal_finish_inode_data_buffers.exit
98  br i1 undef, label %do.body277, label %if.then260
99
100if.then260:                                       ; preds = %if.end256
101  br label %do.body277
102
103do.body277:                                       ; preds = %if.then260, %if.end256
104  br label %while.body318
105
106while.body318:                                    ; preds = %wait_on_buffer.exit, %do.body277
107  %tobool.i1295 = icmp eq i64 undef, 0
108  br i1 %tobool.i1295, label %wait_on_buffer.exit, label %if.then.i1296
109
110if.then.i1296:                                    ; preds = %while.body318
111  unreachable
112
113wait_on_buffer.exit:                              ; preds = %while.body318
114  br i1 undef, label %do.body378, label %while.body318
115
116do.body378:                                       ; preds = %wait_on_buffer.exit
117  br i1 undef, label %while.end418, label %while.body392.lr.ph
118
119while.body392.lr.ph:                              ; preds = %do.body378
120  br label %while.body392
121
122while.body392:                                    ; preds = %wait_on_buffer.exit1319, %while.body392.lr.ph
123  %0 = load i8*, i8** undef, align 8
124  %add.ptr399 = getelementptr inbounds i8, i8* %0, i64 -72
125  %b_state.i.i1314 = bitcast i8* %add.ptr399 to i64*
126  %tobool.i1316 = icmp eq i64 undef, 0
127  br i1 %tobool.i1316, label %wait_on_buffer.exit1319, label %if.then.i1317
128
129if.then.i1317:                                    ; preds = %while.body392
130  unreachable
131
132wait_on_buffer.exit1319:                          ; preds = %while.body392
133  %1 = load volatile i64, i64* %b_state.i.i1314, align 8
134  %conv.i.i1322 = and i64 %1, 1
135  %lnot404 = icmp eq i64 %conv.i.i1322, 0
136  %.err.4 = select i1 %lnot404, i32 -5, i32 undef
137  %2 = call i64 asm sideeffect "1:.long 0x7c0000a8 $| ((($0) & 0x1f) << 21) $| (((0) & 0x1f) << 16) $| ((($3) & 0x1f) << 11) $| (((0) & 0x1) << 0) \0Aandc $0,$0,$2\0Astdcx. $0,0,$3\0Abne- 1b\0A", "=&r,=*m,r,r,*m,~{cc},~{memory}"(i64* %b_state.i.i1314, i64 262144, i64* %b_state.i.i1314, i64* %b_state.i.i1314) #1
138  %prev.i.i.i1325 = getelementptr inbounds i8, i8* %0, i64 8
139  %3 = load i32*, i32** null, align 8
140  store i32* %3, i32** undef, align 8
141  call void @__brelse(i32* undef) #1
142  br i1 undef, label %while.end418, label %while.body392
143
144; CHECK-LABEL: @jbd2_journal_commit_transaction
145; CHECK: andi.
146; CHECK: cror [[REG:[0-9]+]], 1, 1
147; CHECK: stdcx.
148; CHECK: isel {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}, [[REG]]
149
150while.end418:                                     ; preds = %wait_on_buffer.exit1319, %do.body378
151  %err.4.lcssa = phi i32 [ undef, %do.body378 ], [ %.err.4, %wait_on_buffer.exit1319 ]
152  br i1 undef, label %if.end421, label %if.then420
153
154if.then420:                                       ; preds = %while.end418
155  call void @jbd2_journal_abort(i32* %journal, i32 signext %err.4.lcssa) #1
156  br label %if.end421
157
158if.end421:                                        ; preds = %if.then420, %while.end418
159  unreachable
160}
161
162declare void @jbd2_journal_abort(i32*, i32 signext)
163
164declare void @__brelse(i32*)
165
166attributes #0 = { nounwind }
167attributes #1 = { nounwind }
168
169