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1; RUN: opt < %s -passes='loop-mssa(simple-loop-unswitch),instcombine' -verify-memoryssa -disable-output2 3@str3 = external constant [3 x i8] ; <ptr> [#uses=1]4 5define i32 @stringSearch_Clib(i32 %count) {6entry:7 %ttmp25 = icmp sgt i32 %count, 0 ; <i1> [#uses=1]8 br i1 %ttmp25, label %bb36.preheader, label %bb449 10bb36.preheader: ; preds = %entry11 %ttmp33 = icmp slt i32 0, 250 ; <i1> [#uses=1]12 br label %bb36.outer13 14bb36.outer: ; preds = %bb41, %bb36.preheader15 br i1 %ttmp33, label %bb.nph, label %bb4116 17bb.nph: ; preds = %bb36.outer18 %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_true22 23cond_true: ; preds = %bb.nph24 ret i32 025 26cond_next: ; preds = %bb.nph27 br i1 %ttmp6, label %cond_next28, label %cond_true2028 29cond_true20: ; preds = %cond_next30 ret i32 031 32cond_next28: ; preds = %cond_next33 %tmp33 = add i32 %tmp31, 0 ; <i32> [#uses=1]34 br label %bb4135 36bb41: ; preds = %cond_next28, %bb36.outer37 %c.2.lcssa = phi i32 [ 0, %bb36.outer ], [ %tmp33, %cond_next28 ] ; <i32> [#uses=1]38 br i1 false, label %bb36.outer, label %bb4439 40bb44: ; preds = %bb41, %entry41 %c.01.1 = phi i32 [ 0, %entry ], [ %c.2.lcssa, %bb41 ] ; <i32> [#uses=1]42 ret i32 %c.01.143}44 45declare i32 @strcspn(ptr, ptr)46