[llvm-bugs] [Bug 42106] Coverage with option "--coverage" instruments sanitizer's code.

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Jun 4 12:44:21 PDT 2019


Eli Friedman <efriedma at quicinc.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX
                 CC|                            |efriedma at quicinc.com

--- Comment #1 from Eli Friedman <efriedma at quicinc.com> ---
--coverage reports coverage for all branches which exist in the intermediate
representation at the point where the instrumentation is inserted.  So it's not
really relevant whether the user explicitly wrote a branch.

This design has various advantages and limitations.  But it's a design we
inherited from gcc, and it's not something we can really fix without causing
other problems.

Depending on what you're looking for, you might want to try a different
approach; see https://clang.llvm.org/docs/SourceBasedCodeCoverage.html .

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