1; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -instcombine -disable-output
2; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -enable-mssa-loop-dependency=true -verify-memoryssa -instcombine -disable-output
3
4@str3 = external constant [3 x i8]		; <[3 x i8]*> [#uses=1]
5
6define i32 @stringSearch_Clib(i32 %count) {
7entry:
8	%ttmp25 = icmp sgt i32 %count, 0		; <i1> [#uses=1]
9	br i1 %ttmp25, label %bb36.preheader, label %bb44
10
11bb36.preheader:		; preds = %entry
12	%ttmp33 = icmp slt i32 0, 250		; <i1> [#uses=1]
13	br label %bb36.outer
14
15bb36.outer:		; preds = %bb41, %bb36.preheader
16	br i1 %ttmp33, label %bb.nph, label %bb41
17
18bb.nph:		; preds = %bb36.outer
19	%ttmp8 = icmp eq i8* null, null		; <i1> [#uses=1]
20	%ttmp6 = icmp eq i8* null, null		; <i1> [#uses=1]
21	%tmp31 = call i32 @strcspn( i8* null, i8* getelementptr ([3 x i8], [3 x i8]* @str3, i64 0, i64 0) )		; <i32> [#uses=1]
22	br i1 %ttmp8, label %cond_next, label %cond_true
23
24cond_true:		; preds = %bb.nph
25	ret i32 0
26
27cond_next:		; preds = %bb.nph
28	br i1 %ttmp6, label %cond_next28, label %cond_true20
29
30cond_true20:		; preds = %cond_next
31	ret i32 0
32
33cond_next28:		; preds = %cond_next
34	%tmp33 = add i32 %tmp31, 0		; <i32> [#uses=1]
35	br label %bb41
36
37bb41:		; preds = %cond_next28, %bb36.outer
38	%c.2.lcssa = phi i32 [ 0, %bb36.outer ], [ %tmp33, %cond_next28 ]		; <i32> [#uses=1]
39	br i1 false, label %bb36.outer, label %bb44
40
41bb44:		; preds = %bb41, %entry
42	%c.01.1 = phi i32 [ 0, %entry ], [ %c.2.lcssa, %bb41 ]		; <i32> [#uses=1]
43	ret i32 %c.01.1
44}
45
46declare i32 @strcspn(i8*, i8*)
47