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1; This test shows SCCP "proving" that the loop (from bb6 to 14) loops infinitely
2; this is in fact NOT the case, so the return should still be alive in the code
3; after sccp and CFG simplification have been performed.
4;
5; RUN: opt < %s -sccp -simplifycfg -S | \
6; RUN:   grep ret
7
8define void @old_main() {
9bb3:
10	br label %bb6
11bb6:		; preds = %bb14, %bb3
12	%reg403 = phi i32 [ %reg155, %bb14 ], [ 0, %bb3 ]		; <i32> [#uses=1]
13	%reg155 = add i32 %reg403, 1		; <i32> [#uses=2]
14	br label %bb11
15bb11:		; preds = %bb11, %bb6
16	%reg407 = phi i32 [ %reg408, %bb11 ], [ 0, %bb6 ]		; <i32> [#uses=2]
17	%reg408 = add i32 %reg407, 1		; <i32> [#uses=1]
18	%cond550 = icmp sle i32 %reg407, 1		; <i1> [#uses=1]
19	br i1 %cond550, label %bb11, label %bb12
20bb12:		; preds = %bb11
21	br label %bb13
22bb13:		; preds = %bb13, %bb12
23	%reg409 = phi i32 [ %reg410, %bb13 ], [ 0, %bb12 ]		; <i32> [#uses=1]
24	%reg410 = add i32 %reg409, 1		; <i32> [#uses=2]
25	%cond552 = icmp sle i32 %reg410, 2		; <i1> [#uses=1]
26	br i1 %cond552, label %bb13, label %bb14
27bb14:		; preds = %bb13
28	%cond553 = icmp sle i32 %reg155, 31		; <i1> [#uses=1]
29	br i1 %cond553, label %bb6, label %bb15
30bb15:		; preds = %bb14
31	ret void
32}
33
34