[llvm-bugs] [Bug 34795] New: llvm-cov show: need to specify multiple -object's is unusable

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Oct 1 08:44:42 PDT 2017


            Bug ID: 34795
           Summary: llvm-cov show: need to specify multiple -object's is
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: lebedev.ri at gmail.com
                CC: llvm-bugs at lists.llvm.org

I was just experimenting with getting code coverage output from clang.
When there is just one binary, then llvm-cov show works fine.

But if the coverage data was merged from multiple binaries, to get the complete
info about the full coverage, each of these binaries needs to be explicitly
passed into llvm-cov show.

This is rather unusable. It would be nice if there could be some native
solution, much like what gcov/lcov already does, that would not require
specifying every binary...

For me, i should be able to solve it with some cmake magic though.

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