1 ; RUN: opt < %s -passes='loop(simple-loop-unswitch),instcombine' -verify-memoryssa -disable-output
3 @str3 = external constant [3 x i8] ; <ptr> [#uses=1]
5 define i32 @stringSearch_Clib(i32 %count) {
7 %ttmp25 = icmp sgt i32 %count, 0 ; <i1> [#uses=1]
8 br i1 %ttmp25, label %bb36.preheader, label %bb44
10 bb36.preheader: ; preds = %entry
11 %ttmp33 = icmp slt i32 0, 250 ; <i1> [#uses=1]
14 bb36.outer: ; preds = %bb41, %bb36.preheader
15 br i1 %ttmp33, label %bb.nph, label %bb41
17 bb.nph: ; preds = %bb36.outer
18 %ttmp8 = icmp eq ptr null, null ; <i1> [#uses=1]
19 %ttmp6 = icmp eq ptr null, null ; <i1> [#uses=1]
20 %tmp31 = call i32 @strcspn( ptr null, ptr @str3 ) ; <i32> [#uses=1]
21 br i1 %ttmp8, label %cond_next, label %cond_true
23 cond_true: ; preds = %bb.nph
26 cond_next: ; preds = %bb.nph
27 br i1 %ttmp6, label %cond_next28, label %cond_true20
29 cond_true20: ; preds = %cond_next
32 cond_next28: ; preds = %cond_next
33 %tmp33 = add i32 %tmp31, 0 ; <i32> [#uses=1]
36 bb41: ; preds = %cond_next28, %bb36.outer
37 %c.2.lcssa = phi i32 [ 0, %bb36.outer ], [ %tmp33, %cond_next28 ] ; <i32> [#uses=1]
38 br i1 false, label %bb36.outer, label %bb44
40 bb44: ; preds = %bb41, %entry
41 %c.01.1 = phi i32 [ 0, %entry ], [ %c.2.lcssa, %bb41 ] ; <i32> [#uses=1]
45 declare i32 @strcspn(ptr, ptr)