[PATCH] D36816: [XRay][compiler-rt] Support sled versioning for custom event sleds

[Dean Michael Berris via Phabricator via llvm-commits]

dberris created this revision.

This change introduces versions to the instrumentation map entries we
emit for XRay instrumentaiton points. The status quo for the version is
currently set to 0 (as emitted by the LLVM back-end), and versions will
count up to 255 (unsigned char).

This change is in preparation for supporting the newer version of the
custom event sleds that will be emitted by the LLVM compiler.


https://reviews.llvm.org/D36816

Files:
  lib/xray/xray_interface_internal.h
  lib/xray/xray_x86_64.cc
  test/xray/TestCases/Linux/custom-event-logging.cc

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