| Tobias Grosser | e906921 | 2011-01-20 21:03:22 +0000 | [diff] [blame] | 1 | ; RUN: opt -indvars -scalar-evolution -analyze %s |
| 2 | ; This test checks if the SCEV analysis is printed out at all. |
| 3 | ; It failed once as the RequiredTransitive option was not implemented |
| 4 | ; correctly. |
| 5 | |
| 6 | define i32 @main() nounwind { |
| 7 | entry: |
| 8 | br label %for.cond |
| 9 | |
| 10 | for.cond: ; preds = %for.inc, %entry |
| 11 | %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3] |
| 12 | %exitcond = icmp ne i64 %indvar1, 1024 ; <i1> [#uses=1] |
| 13 | br i1 %exitcond, label %for.body, label %for.end |
| 14 | |
| 15 | for.body: ; preds = %for.cond |
| 16 | br label %for.inc |
| 17 | |
| 18 | for.inc: ; preds = %for.body |
| 19 | %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1] |
| 20 | br label %for.cond |
| 21 | |
| 22 | for.end: ; preds = %for.cond |
| 23 | ret i32 0 |
| 24 | } |