1; RUN: llc -mtriple=x86_64-apple-macosx10.5.0 < %s
2
3; rdar://12968664
4
5define void @t() nounwind uwtable ssp {
6  br label %4
7
8; <label>:1                                       ; preds = %4, %2
9  ret void
10
11; <label>:2                                       ; preds = %6, %5, %3, %2
12  switch i32 undef, label %2 [
13    i32 1090573978, label %1
14    i32 1090573938, label %3
15    i32 1090573957, label %5
16  ]
17
18; <label>:3                                       ; preds = %4, %2
19  br i1 undef, label %2, label %4
20
21; <label>:4                                       ; preds = %6, %5, %3, %0
22  switch i32 undef, label %11 [
23    i32 1090573938, label %3
24    i32 1090573957, label %5
25    i32 1090573978, label %1
26    i32 165205179, label %6
27  ]
28
29; <label>:5                                       ; preds = %4, %2
30  br i1 undef, label %2, label %4
31
32; <label>:6                                       ; preds = %4
33  %7 = icmp eq i32 undef, 590901838
34  %8 = or i1 false, %7
35  %9 = or i1 true, %8
36  %10 = xor i1 %8, %9
37  br i1 %10, label %4, label %2
38
39; <label>:11                                      ; preds = %11, %4
40  br label %11
41}
42
43; PR15608
44@global = external constant [2 x i8]
45
46define void @PR15608() {
47bb:
48  br label %bb3
49
50bb1:                                              ; No predecessors!
51  br i1 icmp ult (i64 xor (i64 zext (i1 trunc (i192 lshr (i192 or (i192 shl (i192 zext (i64 trunc (i128 lshr (i128 trunc (i384 lshr (i384 or (i384 shl (i384 zext (i64 ptrtoint ([2 x i8]* @global to i64) to i384), i384 192), i384 425269881901436522087161771558896140289), i384 128) to i128), i128 64) to i64) to i192), i192 64), i192 1), i192 128) to i1) to i64), i64 1), i64 1), label %bb2, label %bb3
52
53bb2:                                              ; preds = %bb1
54  unreachable
55
56bb3:                                              ; preds = %bb1, %bb
57  br i1 xor (i1 trunc (i192 lshr (i192 or (i192 shl (i192 zext (i64 trunc (i128 lshr (i128 trunc (i384 lshr (i384 or (i384 shl (i384 zext (i64 ptrtoint ([2 x i8]* @global to i64) to i384), i384 192), i384 425269881901436522087161771558896140289), i384 128) to i128), i128 64) to i64) to i192), i192 64), i192 1), i192 128) to i1), i1 trunc (i192 lshr (i192 or (i192 and (i192 or (i192 shl (i192 zext (i64 trunc (i128 lshr (i128 trunc (i384 lshr (i384 or (i384 shl (i384 zext (i64 ptrtoint ([2 x i8]* @global to i64) to i384), i384 192), i384 425269881901436522087161771558896140289), i384 128) to i128), i128 64) to i64) to i192), i192 64), i192 1), i192 -340282366920938463463374607431768211457), i192 shl (i192 zext (i1 trunc (i192 lshr (i192 or (i192 shl (i192 zext (i64 trunc (i128 lshr (i128 trunc (i384 lshr (i384 or (i384 shl (i384 zext (i64 ptrtoint ([2 x i8]* @global to i64) to i384), i384 192), i384 425269881901436522087161771558896140289), i384 128) to i128), i128 64) to i64) to i192), i192 64), i192 1), i192 128) to i1) to i192), i192 128)), i192 128) to i1)), label %bb7, label %bb4
58
59bb4:                                              ; preds = %bb6, %bb3
60  %tmp = phi i1 [ true, %bb6 ], [ trunc (i192 lshr (i192 or (i192 and (i192 or (i192 shl (i192 zext (i64 trunc (i128 lshr (i128 trunc (i384 lshr (i384 or (i384 shl (i384 zext (i64 ptrtoint ([2 x i8]* @global to i64) to i384), i384 192), i384 425269881901436522087161771558896140289), i384 128) to i128), i128 64) to i64) to i192), i192 64), i192 1), i192 -340282366920938463463374607431768211457), i192 shl (i192 zext (i1 trunc (i192 lshr (i192 or (i192 shl (i192 zext (i64 trunc (i128 lshr (i128 trunc (i384 lshr (i384 or (i384 shl (i384 zext (i64 ptrtoint ([2 x i8]* @global to i64) to i384), i384 192), i384 425269881901436522087161771558896140289), i384 128) to i128), i128 64) to i64) to i192), i192 64), i192 1), i192 128) to i1) to i192), i192 128)), i192 128) to i1), %bb3 ]
61  br i1 false, label %bb8, label %bb5
62
63bb5:                                              ; preds = %bb4
64  br i1 %tmp, label %bb8, label %bb6
65
66bb6:                                              ; preds = %bb5
67  br i1 false, label %bb8, label %bb4
68
69bb7:                                              ; preds = %bb3
70  unreachable
71
72bb8:                                              ; preds = %bb6, %bb5, %bb4
73  unreachable
74}
75