https://github.com/chapuni created https://github.com/llvm/llvm-project/pull/95887
Mostly apparent changes are described here. >From defd3f6b694a5091da92d925738631b8359c43bb Mon Sep 17 00:00:00 2001 From: NAKAMURA Takumi <geek4ci...@gmail.com> Date: Tue, 18 Jun 2024 11:10:14 +0900 Subject: [PATCH] Update ReleaseNotes for MC/DC changes. --- clang/docs/ReleaseNotes.rst | 14 ++++++++++++++ llvm/docs/ReleaseNotes.rst | 7 +++++++ 2 files changed, 21 insertions(+) diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 36efeb8c70cca..7ef4fc21c37be 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -586,6 +586,20 @@ Improvements to Clang's time-trace - Clang now specifies that using ``auto`` in a lambda parameter is a C++14 extension when appropriate. (`#46059: <https://github.com/llvm/llvm-project/issues/46059>`_). +Improvements to Coverage mapping +-------------------------------- + +- Macros defined in system headers are not expanded in coverage + mapping. Conditional expressions in system header macros are no + longer taken into account for branch coverage. They can be included + with ``-mllvm -system-headers-coverage``. (#78920) +- MC/DC coverage has been improved. (#82448) + - The maximum number of conditions is no longer limited to 6. See + `this <SourceBasedCodeCoverage.html#mc-dc-instrumentation>` for + more details. + - The format of profraw generated by the runtime is not backwards + compatible. + Bug Fixes in This Version ------------------------- - Clang's ``-Wundefined-func-template`` no longer warns on pure virtual diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index 5fdbc9f349af4..555e2632d80a0 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -70,6 +70,13 @@ Changes to the LLVM IR records by default. Details of the change and instructions on how to update any downstream tools and tests can be found in the `migration docs <https://llvm.org/docs/RemoveDIsDebugInfo.html>`_. +* Semantics of MC/DC intrinsics have been changed. + * ``llvm.instprof.mcdc.parameters``: 3rd argument has been changed + from bytes to bits. + * ``llvm.instprof.mcdc.condbitmap.update``: Removed. + * ``llvm.instprof.mcdc.tvbitmap.update``: 3rd argument has been + removed. The next argument has been changed from byte index to bit + index. Changes to LLVM infrastructure ------------------------------ _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
