1; REQUIRES: asserts
2; RUN: llc < %s -mtriple=x86_64-apple-darwin11 -relocation-model=pic -frame-pointer=all -stats 2>&1 | not grep ext-opt
3
4define fastcc i8* @S_scan_str(i8* %start, i32 %keep_quoted, i32 %keep_delims) nounwind ssp {
5entry:
6  switch i8 undef, label %bb6 [
7    i8 9, label %bb5
8    i8 32, label %bb5
9    i8 10, label %bb5
10    i8 13, label %bb5
11    i8 12, label %bb5
12  ]
13
14bb5:                                              ; preds = %entry, %entry, %entry, %entry, %entry
15  br label %bb6
16
17bb6:                                              ; preds = %bb5, %entry
18  br i1 undef, label %bb7, label %bb9
19
20bb7:                                              ; preds = %bb6
21  unreachable
22
23bb9:                                              ; preds = %bb6
24  %0 = load i8, i8* undef, align 1                    ; <i8> [#uses=3]
25  br i1 undef, label %bb12, label %bb10
26
27bb10:                                             ; preds = %bb9
28  br i1 undef, label %bb12, label %bb11
29
30bb11:                                             ; preds = %bb10
31  unreachable
32
33bb12:                                             ; preds = %bb10, %bb9
34  br i1 undef, label %bb13, label %bb14
35
36bb13:                                             ; preds = %bb12
37  store i8 %0, i8* undef, align 1
38  %1 = zext i8 %0 to i32                          ; <i32> [#uses=1]
39  br label %bb18
40
41bb14:                                             ; preds = %bb12
42  br label %bb18
43
44bb18:                                             ; preds = %bb14, %bb13
45  %termcode.0 = phi i32 [ %1, %bb13 ], [ undef, %bb14 ] ; <i32> [#uses=2]
46  %2 = icmp eq i8 %0, 0                           ; <i1> [#uses=1]
47  br i1 %2, label %bb21, label %bb19
48
49bb19:                                             ; preds = %bb18
50  br i1 undef, label %bb21, label %bb20
51
52bb20:                                             ; preds = %bb19
53  br label %bb21
54
55bb21:                                             ; preds = %bb20, %bb19, %bb18
56  %termcode.1 = phi i32 [ %termcode.0, %bb18 ], [ %termcode.0, %bb19 ], [ undef, %bb20 ] ; <i32> [#uses=0]
57  unreachable
58}
59