[all-commits] [llvm/llvm-project] 7800d5: [SanitizerCoverage] Add gated tracing callbacks su...

[thetruestblue via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7800d59f5bd03e38db0bbe94db5f8a3e0ec1a9a6
      https://github.com/llvm/llvm-project/commit/7800d59f5bd03e38db0bbe94db5f8a3e0ec1a9a6
  Author: thetruestblue <bblueconway at gmail.com>
  Date:   2024-11-25 (Mon, 25 Nov 2024)

  Changed paths:
    M clang/docs/SanitizerCoverage.rst
    M clang/test/CodeGen/sanitize-coverage-gated-callbacks.c
    M llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp

  Log Message:
  -----------
  [SanitizerCoverage] Add gated tracing callbacks support to trace-cmp (#113227)

The option -sanitizer-coverage-gated-trace-callbacks gates the
invocation of the trace-pc-guard callbacks based on the value of a
global variable, which is stored in a specific section.
In this commit, we extend this feature to trace-cmp and gate the cmp
callbacks to the same variable used for trace-pc-guard.

Update SanitizerCoverage doc with this flag.

rdar://135404160

Patch by: Andrea Fioraldi



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