1 ; RUN: opt < %s -simple-loop-unswitch -instcombine -disable-output
2 ; RUN: opt < %s -simple-loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -instcombine -disable-output
4 @str3 = external constant [3 x i8] ; <[3 x i8]*> [#uses=1]
6 define i32 @stringSearch_Clib(i32 %count) {
8 %ttmp25 = icmp sgt i32 %count, 0 ; <i1> [#uses=1]
9 br i1 %ttmp25, label %bb36.preheader, label %bb44
11 bb36.preheader: ; preds = %entry
12 %ttmp33 = icmp slt i32 0, 250 ; <i1> [#uses=1]
15 bb36.outer: ; preds = %bb41, %bb36.preheader
16 br i1 %ttmp33, label %bb.nph, label %bb41
18 bb.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
24 cond_true: ; preds = %bb.nph
27 cond_next: ; preds = %bb.nph
28 br i1 %ttmp6, label %cond_next28, label %cond_true20
30 cond_true20: ; preds = %cond_next
33 cond_next28: ; preds = %cond_next
34 %tmp33 = add i32 %tmp31, 0 ; <i32> [#uses=1]
37 bb41: ; 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
41 bb44: ; preds = %bb41, %entry
42 %c.01.1 = phi i32 [ 0, %entry ], [ %c.2.lcssa, %bb41 ] ; <i32> [#uses=1]
46 declare i32 @strcspn(i8*, i8*)