[PATCH] D53858: [XRay] Migrate FDR runtime to use refactored controller

[Dean Michael Berris via Phabricator via llvm-commits]

dberris created this revision.
dberris added reviewers: mboerger, eizan.
Herald added a reviewer: jfb.
Herald added a subscriber: jfb.

This change completes the refactoring of the FDR runtime to support the
following:

- Generational buffer management.

- Centralised and well-tested controller implementation.

In this change we've had to:

- Greatly simplify the code in xray_fdr_logging.cc to only implement the glue code for calling into the controller.

- Implement the custom and typed event logging functions in the FDRLogWriter.

- Imbue the `XRAY_NEVER_INSTRUMENT` attribute onto all functions in the controller implementation.


https://reviews.llvm.org/D53858

Files:
  compiler-rt/lib/xray/xray_fdr_controller.h
  compiler-rt/lib/xray/xray_fdr_log_writer.h
  compiler-rt/lib/xray/xray_fdr_logging.cc

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