[LLVMdev] [cfe-dev] GCC compatibility code coverage issue .

[Mohamed Galal]

I had the same problem. And I've fixed it by using  -fprofile-arcs
-ftest-coverage  instead of  --coverage flag.

https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html

On Tue, Apr 28, 2015 at 6:52 AM, Umesh Kalappa <umesh.kalappa0 at gmail.com>
wrote:

> Hi All,
>
> We trying  to use clang+llvm to generate the gcc  coverage format as
>
> clang version 3.6.0
>
> $clang  --coverage -Xclang -coverage-cfg-checksum -Xclang
> -coverage-no-function-names-in-data -Xclang -coverage-version='407*'
> test.c
>
> $a.out
>
> $llvm-cov gcov test.gcda
>
> Unexpected version: *704.
> Invalid .gcno File!
>
> Debugging the above cause ,But any hints from experts here ,will help a
> lot .
>
> Appreciate your time ,Thank you
> ~Umesh
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