1; RUN: opt %s -debugify -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
2; Tests Bug 37966
3
4define void @bar(i32 %aa) {
5; CHECK-LABEL: @bar(
6; CHECK: if.end.1.critedge:
7; CHECK: br label %if.end.1, !dbg ![[DBG:[0-9]+]]
8entry:
9  %aa.addr = alloca i32, align 4
10  %bb = alloca i32, align 4
11  store i32 %aa, i32* %aa.addr, align 4
12  store i32 0, i32* %bb, align 4
13  %tobool = icmp ne i32 %aa, 0
14  br i1 %tobool, label %if.then, label %if.end
15
16if.then:                                          ; preds = %entry
17  call void @foo()
18  br label %if.end
19
20if.end:                                           ; preds = %if.then, %entry
21  store i32 1, i32* %bb, align 4
22  br i1 %tobool, label %if.then.1, label %if.end.1 ; "line 10" to -debugify
23
24if.then.1:                                        ; preds = %if.end
25  call void @foo()
26  br label %if.end.1
27
28if.end.1:                                         ; preds = %if.then.1, %if.end
29  store i32 2, i32* %bb, align 4
30  br label %for.end
31
32for.end:                                          ; preds = %if.end.1
33  ret void
34}
35
36declare void @foo()
37
38; CHECK: ![[DBG]] = !DILocation(line: 10,
39