tree 24f231a86674b8fd568bcb54b595f7d48872a4cf
parent ad2ff6b5aa2cce3bd1ec05c33d68541bb0aad0cf
author Michael Kruse <llvm-project@meinersbur.de> 1630459212 -0500
committer Copybara-Service <copybara-worker@google.com> 1630461638 -0700

[Polly] Use subtyped isl::schedule_nodes for ScheduleTreeVisitor. NFC.

Change pass-by-const-ref to pass-by-value as objects are recreated
due to custom up-/down-casting anwyway.

GitOrigin-RevId: c62d9a5ca09e22c9d08a6e2076572afc6e12a43f