[llvm-dev] Unit tests in compiler-rt not rebuilding with changes to runtimes?

[George Karpenkov via llvm-dev]

I’m looking into this.
Could be connected to a CMake refactoring I have done in August.
Unfortunately xray does not work on macOS, so I might have not spotted this issue.

Now noticed another bug: XRay unit-tests do not seem to be run at all, also they do recompile on changes.
Lit tests are still being run.

> On Oct 3, 2017, at 9:49 PM, Dean Michael Berris via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
>> 
>> On 4 Oct 2017, at 04:43, Chris Bieneman <beanz at apple.com <mailto:beanz at apple.com>> wrote:
>> 
>> I want to make sure I understand the problem so I can try to reproduce it.
>> 
>> When you say "make changes to the runtime" you mean code in compiler-rt/lib/xray ?
>> 
> 
> Yes.
> 
>> Are you using the mono-repo prototype? If not, where do you have compiler-rt's sources (llvm/projects or llvm/runtimes)?
>> 
> 
> Not the mono-repo prototype, I have the compiler-rt sources in llvm/projects/compiler-rt.
> 
>> Lastly, can you provide your CMake configuration command line?
> 
> cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -G Ninja -DCMAKE_CXX_COMPILER=clang++-3.9 -DCMAKE_C_COMPILER=clang-3.9 -DCMAKE_ASM_COMPILER=clang-3.9 -DLLVM_USE_LINKER=gold -DLLVM_USE_SPLIT_DWARF=On -DBUILD_SHARED_LIBS=ON -DLLVM_OPTIMIZED_TABLEGEN=On -DCOMPILER_RT_BUILD_XRAY=On -DLLVM_ENABLE_ASSERTIONS=On -DCOMPILER_RT_INCLUDE_TESTS=On -DLLVM_ENABLE_SPHINX=On -DSPHINX_WARNINGS_AS_ERRORS=On -DCMAKE_CXX_FLAGS="-Wpedantic" -DCMAKE_CXX_COMPILER_LAUNCHER=ccache ../llvm
> 
> I'm building in Linux, x86_64.
> 
> Cheers
> 
>> 
>> Thanks,
>> -Chris
>> 
>>> On Oct 3, 2017, at 4:58 AM, Dean Michael Berris <dean.berris at gmail.com <mailto:dean.berris at gmail.com>> wrote:
>>> 
>>> Hi llvm-dev,
>>> 
>>> I have unit tests set up in the XRay implementation (compiler-rt/lib/xray/tests/unit) following the pattern that the TSAN and other sanitiser unit tests. However, I'm running into the following problem:
>>> 
>>> When I make changes to the runtime (in this case, XRay) and do `ninja all check-xray`, it seems that the unit tests don't get re-liked to the new version of the runtime.
>>> 
>>> It could be something obviously that I'm doing wrong here, but does anybody have ideas how to avoid this?
>>> 
>>> Cheers
>>> 
>>> -- Dean
>>> 
>> 
> 
> -- Dean
> 
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