1; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -disable-output
2; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output
3
4define void @init_caller_save() {
5entry:
6	br label %cond_true78
7cond_next20:		; preds = %cond_true64
8	br label %bb31
9bb31:		; preds = %cond_true64, %cond_true64, %cond_next20
10	%iftmp.29.1 = phi i32 [ 0, %cond_next20 ], [ 0, %cond_true64 ], [ 0, %cond_true64 ]		; <i32> [#uses=0]
11	br label %bb54
12bb54:		; preds = %cond_true78, %bb31
13	br i1 false, label %bb75, label %cond_true64
14cond_true64:		; preds = %bb54
15	switch i32 %i.0.0, label %cond_next20 [
16		 i32 17, label %bb31
17		 i32 18, label %bb31
18	]
19bb75:		; preds = %bb54
20	%tmp74.0 = add i32 %i.0.0, 1		; <i32> [#uses=1]
21	br label %cond_true78
22cond_true78:		; preds = %bb75, %entry
23	%i.0.0 = phi i32 [ 0, %entry ], [ %tmp74.0, %bb75 ]		; <i32> [#uses=2]
24	br label %bb54
25}
26
27