| ; RUN: opt -indvars -scalar-evolution -analyze < %s | FileCheck %s |
| ; This test checks if the SCEV analysis is printed out at all. |
| ; It failed once as the RequiredTransitive option was not implemented |
| ; correctly. |
| |
| ; CHECK: Classifying expressions for: @main |
| |
| define i32 @main() nounwind { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3] |
| %exitcond = icmp ne i64 %indvar1, 1024 ; <i1> [#uses=1] |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1] |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret i32 0 |
| } |
