1; RUN: opt -passes='require<loops>,jump-threading,verify<loops>' -S < %s
2
3%"type1" = type { i8 }
4%"type2" = type opaque
5
6define dso_local i16* @func2(%"type1"* %this, %"type2"*) {
7entry:
8  br label %while.cond
9
10while.cond:                                       ; preds = %func1.exit, %entry
11  %month.0 = phi i32 [ undef, %entry ], [ %month.0.be, %func1.exit ]
12  switch i32 %month.0, label %if.end.i [
13    i32 4, label %func1.exit
14    i32 1, label %func1.exit
15  ]
16
17if.end.i:                                         ; preds = %while.cond
18  br label %func1.exit
19
20func1.exit:                  ; preds = %if.end.i, %while.cond, %while.cond
21  %retval.0.i = phi i32 [ 9, %if.end.i ], [ 0, %while.cond ], [ 0, %while.cond ]
22  %call2 = tail call signext i32 @func3(i32 signext %retval.0.i, i32 signext 1, i32 signext 3)
23  %cmp = icmp slt i32 %call2, 1
24  %add = add nsw i32 %call2, 2
25  %month.0.be = select i1 %cmp, i32 %add, i32 %call2
26  br label %while.cond
27}
28
29declare i32 @func3(i32, i32, i32)
30
31