| Dmitri Gribenko | 10c4b4d | 2012-12-30 01:42:34 +0000 | [diff] [blame] | 1 | ; RUN: opt -indvars -scalar-evolution -analyze < %s | FileCheck %s |
| Tobias Grosser | f07426b | 2011-01-20 21:03:22 +0000 | [diff] [blame] | 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 | |
| Dmitri Gribenko | 10c4b4d | 2012-12-30 01:42:34 +0000 | [diff] [blame] | 6 | ; CHECK: Classifying expressions for: @main |
| 7 | |
| Tobias Grosser | f07426b | 2011-01-20 21:03:22 +0000 | [diff] [blame] | 8 | define i32 @main() nounwind { |
| 9 | entry: |
| 10 | br label %for.cond |
| 11 | |
| 12 | for.cond: ; preds = %for.inc, %entry |
| 13 | %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3] |
| 14 | %exitcond = icmp ne i64 %indvar1, 1024 ; <i1> [#uses=1] |
| 15 | br i1 %exitcond, label %for.body, label %for.end |
| 16 | |
| 17 | for.body: ; preds = %for.cond |
| 18 | br label %for.inc |
| 19 | |
| 20 | for.inc: ; preds = %for.body |
| 21 | %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1] |
| 22 | br label %for.cond |
| 23 | |
| 24 | for.end: ; preds = %for.cond |
| 25 | ret i32 0 |
| 26 | } |