[Webkit-unassigned] [Bug 206389] It should be possible to build JavaScriptCore with LLVM Source-based Code Coverage, run the tests and see the coverage data

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 16 17:35:12 PST 2020


Tuomas Karkkainen <tuomas.webkit at apple.com> changed:

           What    |Removed                     |Added
 Attachment #387995|                            |review?
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--- Comment #1 from Tuomas Karkkainen <tuomas.webkit at apple.com> ---
Created attachment 387995

  --> https://bugs.webkit.org/attachment.cgi?id=387995&action=review

proposed patch

initial proposal for the patch.

start with e.g.:

> Tools/Scripts/set-webkit-configuration --force-optimization-level=O3 --debug --no-asan --coverage


> Tools/Scripts/run-javascriptcore-tests --debug --no-build --coverage

Known limitations:

* CMake build is not supported.
* ASAN and coverage cannot be enabled at the same time. This isn't an inherent limitation, just a limitation of the current build scripts.

Reference for LLVM Source-based Code Coverage:

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