[PATCH] D45357: [XRay][llvm+clang] Consolidate attribute list files

[Dean Michael Berris via Phabricator via cfe-commits]

dberris created this revision.
dberris added reviewers: echristo, vlad.tsyrklevich, eugenis.

This change consolidates the always/never lists that may be provided to
clang to externally control which functions should be XRay instrumented
by imbuing attributes. The files follow the same format as defined in
https://clang.llvm.org/docs/SanitizerSpecialCaseList.html for the
sanitizer blacklist.

We also deprecate the existing `-fxray-instrument-always=` and
`-fxray-instrument-never=` flags, in favour of `-fxray-attr-list=`.

This fixes http://llvm.org/PR34721.


https://reviews.llvm.org/D45357

Files:
  clang/include/clang/Basic/LangOptions.h
  clang/include/clang/Basic/XRayLists.h
  clang/include/clang/Driver/Options.td
  clang/include/clang/Driver/XRayArgs.h
  clang/lib/AST/ASTContext.cpp
  clang/lib/Basic/XRayLists.cpp
  clang/lib/Driver/XRayArgs.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/xray-always-instrument.cpp
  clang/test/CodeGen/xray-attr-list.cpp
  clang/test/CodeGen/xray-imbue-arg1.cpp
  clang/test/CodeGen/xray-never-instrument.cpp
  llvm/docs/XRay.rst
  llvm/docs/XRayExample.rst

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