| ; RUN: opt < %s -loop-unswitch -instcombine -disable-output |
| |
| @str3 = external constant [3 x i8] ; <[3 x i8]*> [#uses=1] |
| |
| define i32 @stringSearch_Clib(i32 %count) { |
| entry: |
| %ttmp25 = icmp sgt i32 %count, 0 ; <i1> [#uses=1] |
| br i1 %ttmp25, label %bb36.preheader, label %bb44 |
| |
| bb36.preheader: ; preds = %entry |
| %ttmp33 = icmp slt i32 0, 250 ; <i1> [#uses=1] |
| br label %bb36.outer |
| |
| bb36.outer: ; preds = %bb41, %bb36.preheader |
| br i1 %ttmp33, label %bb.nph, label %bb41 |
| |
| bb.nph: ; preds = %bb36.outer |
| %ttmp8 = icmp eq i8* null, null ; <i1> [#uses=1] |
| %ttmp6 = icmp eq i8* null, null ; <i1> [#uses=1] |
| %tmp31 = call i32 @strcspn( i8* null, i8* getelementptr ([3 x i8], [3 x i8]* @str3, i64 0, i64 0) ) ; <i32> [#uses=1] |
| br i1 %ttmp8, label %cond_next, label %cond_true |
| |
| cond_true: ; preds = %bb.nph |
| ret i32 0 |
| |
| cond_next: ; preds = %bb.nph |
| br i1 %ttmp6, label %cond_next28, label %cond_true20 |
| |
| cond_true20: ; preds = %cond_next |
| ret i32 0 |
| |
| cond_next28: ; preds = %cond_next |
| %tmp33 = add i32 %tmp31, 0 ; <i32> [#uses=1] |
| br label %bb41 |
| |
| bb41: ; preds = %cond_next28, %bb36.outer |
| %c.2.lcssa = phi i32 [ 0, %bb36.outer ], [ %tmp33, %cond_next28 ] ; <i32> [#uses=1] |
| br i1 false, label %bb36.outer, label %bb44 |
| |
| bb44: ; preds = %bb41, %entry |
| %c.01.1 = phi i32 [ 0, %entry ], [ %c.2.lcssa, %bb41 ] ; <i32> [#uses=1] |
| ret i32 %c.01.1 |
| } |
| |
| declare i32 @strcspn(i8*, i8*) |
