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1; RUN: opt -O2 -disable-output < %s
2; PR15714
3
4%struct.ham = type { i32 }
5
6@global5 = common global i32 0, align 4
7@global6 = common global i32 0, align 4
8@global7 = common global i32 0, align 4
9@global = common global i32 0, align 4
10@global8 = common global %struct.ham zeroinitializer, align 4
11@global9 = common global i32 0, align 4
12@global10 = common global i32 0, align 4
13@global11 = common global i32 0, align 4
14
15define void @zot12() {
16bb:
17  store i32 0, i32* @global5, align 4
18  store i32 0, i32* @global6, align 4
19  br label %bb2
20
21bb1:                                              ; preds = %bb11
22  %tmp = load i32, i32* @global5, align 4
23  br label %bb2
24
25bb2:                                              ; preds = %bb1, %bb
26  %tmp3 = phi i32 [ %tmp, %bb1 ], [ 0, %bb ]
27  %tmp4 = xor i32 %tmp3, zext (i1 icmp ne (i64 ptrtoint (i32* @global5 to i64), i64 1) to i32)
28  store i32 %tmp4, i32* @global5, align 4
29  %tmp5 = icmp eq i32 %tmp3, zext (i1 icmp ne (i64 ptrtoint (i32* @global5 to i64), i64 1) to i32)
30  br i1 %tmp5, label %bb8, label %bb6
31
32bb6:                                              ; preds = %bb2
33  %tmp7 = tail call i32 @quux13()
34  br label %bb8
35
36bb8:                                              ; preds = %bb6, %bb2
37  %tmp9 = load i32, i32* @global7, align 4
38  %tmp10 = icmp eq i32 %tmp9, 0
39  br i1 %tmp10, label %bb11, label %bb15
40
41bb11:                                             ; preds = %bb8
42  %tmp12 = load i32, i32* @global6, align 4
43  %tmp13 = add nsw i32 %tmp12, 1
44  store i32 %tmp13, i32* @global6, align 4
45  %tmp14 = icmp slt i32 %tmp13, 42
46  br i1 %tmp14, label %bb1, label %bb15
47
48bb15:                                             ; preds = %bb11, %bb8
49  ret void
50}
51
52define i32 @quux13() {
53bb:
54  store i32 1, i32* @global5, align 4
55  ret i32 1
56}
57
58define void @wombat() {
59bb:
60  tail call void @zot12()
61  ret void
62}
63
64define void @wombat14() {
65bb:
66  tail call void @blam()
67  ret void
68}
69
70define void @blam() {
71bb:
72  store i32 ptrtoint (i32* @global to i32), i32* getelementptr inbounds (%struct.ham, %struct.ham* @global8, i64 0, i32 0), align 4
73  store i32 0, i32* @global9, align 4
74  %tmp = load i32, i32* getelementptr inbounds (%struct.ham, %struct.ham* @global8, i64 0, i32 0), align 4
75  br label %bb1
76
77bb1:                                              ; preds = %bb1, %bb
78  %tmp2 = phi i32 [ 0, %bb ], [ %tmp11, %bb1 ]
79  %tmp3 = phi i32 [ %tmp, %bb ], [ %tmp10, %bb1 ]
80  %tmp4 = icmp sgt i32 %tmp3, 0
81  %tmp5 = zext i1 %tmp4 to i32
82  %tmp6 = urem i32 %tmp5, 5
83  %tmp7 = mul i32 %tmp3, -80
84  %tmp8 = or i32 %tmp7, %tmp6
85  %tmp9 = icmp eq i32 %tmp8, 0
86  %tmp10 = zext i1 %tmp9 to i32
87  %tmp11 = add nsw i32 %tmp2, 1
88  %tmp12 = icmp eq i32 %tmp11, 20
89  br i1 %tmp12, label %bb13, label %bb1
90
91bb13:                                             ; preds = %bb1
92  store i32 %tmp10, i32* getelementptr inbounds (%struct.ham, %struct.ham* @global8, i64 0, i32 0), align 4
93  store i32 0, i32* @global10, align 4
94  store i32 %tmp6, i32* @global11, align 4
95  store i32 20, i32* @global9, align 4
96  ret void
97}
98