[PATCH] D87953: [xray] Function coverage groups

[Ian Levesque via Phabricator via cfe-commits]

ianlevesque created this revision.
ianlevesque added reviewers: dberris, MaskRay, kyulee.
Herald added subscribers: cfe-commits, dang.
Herald added a project: clang.
ianlevesque requested review of this revision.

Add the ability to selectively instrument a subset of functions by dividing the functions into N logical groups and then selecting a group to cover. By selecting different groups over time you could cover the entire application incrementally with lower overhead than instrumenting the entire application at once.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87953

Files:
  clang/include/clang/Basic/CodeGenOptions.def
  clang/include/clang/Driver/Options.td
  clang/include/clang/Driver/XRayArgs.h
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/Driver/XRayArgs.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/xray-function-groups.cpp

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