1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -indvars  < %s | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5
6define void @test() {
7; CHECK-LABEL: @test(
8; CHECK-NEXT:  bb:
9; CHECK-NEXT:    br label [[BB2:%.*]]
10; CHECK:       bb1:
11; CHECK-NEXT:    br label [[BB2]]
12; CHECK:       bb2:
13; CHECK-NEXT:    [[TMP:%.*]] = phi i32 [ -9, [[BB:%.*]] ], [ -10, [[BB1:%.*]] ]
14; CHECK-NEXT:    br label [[BB3:%.*]]
15; CHECK:       bb3:
16; CHECK-NEXT:    br i1 false, label [[BB5:%.*]], label [[BB12:%.*]]
17; CHECK:       bb5:
18; CHECK-NEXT:    br i1 undef, label [[BB8:%.*]], label [[BB9:%.*]]
19; CHECK:       bb8:
20; CHECK-NEXT:    br label [[BB10:%.*]]
21; CHECK:       bb9:
22; CHECK-NEXT:    br label [[BB10]]
23; CHECK:       bb10:
24; CHECK-NEXT:    br label [[BB3]]
25; CHECK:       bb12:
26; CHECK-NEXT:    ret void
27;
28
29bb:
30  br label %bb2
31
32bb1:                                              ; No predecessors!
33  br label %bb2
34
35bb2:                                              ; preds = %bb1, %bb
36  %tmp = phi i32 [ -9, %bb ], [ %tmp6, %bb1 ]
37  br label %bb3
38
39bb3:                                              ; preds = %bb10, %bb2
40  %tmp4 = phi i32 [ -9, %bb2 ], [ %tmp6, %bb10 ]
41  br i1 undef, label %bb5, label %bb12
42
43bb5:                                              ; preds = %bb3
44  %tmp6 = add i32 %tmp4, -1
45  %tmp7 = zext i32 %tmp6 to i64
46  br i1 undef, label %bb8, label %bb9
47
48bb8:                                              ; preds = %bb5
49  br label %bb10
50
51bb9:                                              ; preds = %bb5
52  br label %bb10
53
54bb10:                                             ; preds = %bb9, %bb8
55  %tmp11 = and i64 undef, %tmp7
56  br label %bb3
57
58bb12:                                             ; preds = %bb3
59  ret void
60}
61