tree 181bafa3ab876062cca4d60b8983dd6751815ba0
parent 297c63f5b3fe102d4a66fc0d2aa2ead49d5f6f0e
author Michael Kruse <llvm-project@meinersbur.de> 1594415142 -0500
committer Copybara-Service <copybara-worker@google.com> 1599181832 -0700

[Polly] Fix -polly-opt-isl -analyze

The member LastSchedule was never set, such that printScop would always
print "n/a" instead of the last schedule.

To ensure that the isl_ctx lives as least as long as the stored
schedule, also store a shared_ptr.

Also set the schedule tree output style to ISL_YAML_STYLE_BLOCK to avoid
printing everything on a single line.

`opt -polly-opt-isl -analyze` will be used in the next commit.

GitOrigin-RevId: 32bf46842025b740de870dbcd446e4b0f203c9aa