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1; RUN: opt -simplifycfg -keep-loops=false -S < %s | FileCheck %s
2
3define void @test1(i32 %n) #0 {
4entry:
5  %n.addr = alloca i32, align 4
6  %count = alloca i32, align 4
7  store i32 %n, i32* %n.addr, align 4
8  %0 = bitcast i32* %count to i8*
9  store i32 0, i32* %count, align 4
10  br label %while.cond
11
12while.cond:                                       ; preds = %if.end, %entry
13  %1 = load i32, i32* %count, align 4
14  %2 = load i32, i32* %n.addr, align 4
15  %cmp = icmp ule i32 %1, %2
16  br i1 %cmp, label %while.body, label %while.end
17
18while.body:                                       ; preds = %while.cond
19  %3 = load i32, i32* %count, align 4
20  %rem = urem i32 %3, 2
21  %cmp1 = icmp eq i32 %rem, 0
22  br i1 %cmp1, label %if.then, label %if.else
23
24if.then:                                          ; preds = %while.body
25  %4 = load i32, i32* %count, align 4
26  %add = add i32 %4, 1
27  store i32 %add, i32* %count, align 4
28  br label %if.end
29
30; CHECK: if.then:
31; CHECK:  br label %while.cond, !llvm.loop !0
32
33if.else:                                          ; preds = %while.body
34  %5 = load i32, i32* %count, align 4
35  %add2 = add i32 %5, 2
36  store i32 %add2, i32* %count, align 4
37  br label %if.end
38
39; CHECK: if.else:
40; CHECK:  br label %while.cond, !llvm.loop !0
41
42if.end:                                           ; preds = %if.else, %if.then
43  br label %while.cond, !llvm.loop !0
44
45while.end:                                        ; preds = %while.cond
46  %6 = bitcast i32* %count to i8*
47  ret void
48}
49
50!0 = distinct !{!0, !1}
51!1 = !{!"llvm.loop.distribute.enable", i1 true}
52; CHECK: !0 = distinct !{!0, !1}
53; CHECK: !1 = !{!"llvm.loop.distribute.enable", i1 true}
54