[LLVMdev] Regression testing on MSYS2 host with mingw-w64

[Yaron Keren]

You may be the first person to try this configuration... it would certainly
be good if libffi could be made to work and these tests passing, try to see
what the problem and patch it.


2015-07-28 22:04 GMT+03:00 Martell Malone <martellmalone at gmail.com>:

> Is it turned ON in your build?
>>
> Yes it is turned on in my build
>
> here is my build script
>
> PATH=/mingw64/bin:$PATH
>
> FFI_INCLUDE_DIR="$(pkg-config --cflags libffi)"
>> FFI_INCLUDE_DIR=$(echo $FFI_INCLUDE_DIR | sed 's|-I||g')
>>
>> /mingw64/bin/cmake.exe \
>>   -G"MSYS Makefiles" \
>>   -DCMAKE_MAKE_PROGRAM="/usr/bin/make.exe" \
>>   -DCMAKE_C_COMPILER="/mingw64/bin/gcc.exe" \
>>   -DCMAKE_CXX_COMPILER="/mingw64/bin/g++.exe" \
>>   -DFFI_INCLUDE_DIR="${FFI_INCLUDE_DIR}" \
>>   -DCMAKE_C_FLAGS="${CFLAGS}" \
>>   -DCMAKE_CXX_FLAGS="${CXXFLAGS} ${CPPFLAGS}" \
>>   -DCMAKE_INSTALL_PREFIX=/mingw64 \
>>   -DCMAKE_BUILD_TYPE=Release \
>>   -DLLVM_TARGETS_TO_BUILD="ARM;AArch64;CppBackend;X86" \
>>   -DLLVM_ENABLE_ASSERTIONS=OFF \
>>   -DLLVM_ENABLE_THREADS=0 \
>>   -DPYTHON_EXECUTABLE=/mingw64/bin/python2.exe \
>>   -DLLVM_ENABLE_FFI=ON \
>>   -DLLVM_ENABLE_SPHINX=ON \
>>   ../llvm
>>
>
> Is this not supported?
> We do have a build of libffi in mingw-w64 and it works well with other
> projects.
>
>
On Tue, Jul 28, 2015 at 6:49 PM, Yaron Keren <yaron.keren at gmail.com> wrote:

> This test results in UNSUPPORTED on my system, since config.enable_ffi =
> "OFF". This is the result of LLVM_ENABLE_FFI which is OFF by default. Is it
> turned ON in your build?
>
>
> 2015-07-28 17:32 GMT+03:00 Martell Malone <martellmalone at gmail.com>:
>
>> Hi Yaron,
>>
>> I know you sent me some emails before about regression testing on MSYS2
>> So you might have some idea about this
>>
>> I am getting a regression error on check-llvm.
>> With the llvm/trunk/test/ExecutionEngine/Interpreter/intrinsics.ll
>>
>> FAIL: LLVM :: ExecutionEngine/Interpreter/intrinsics.ll (7635 of 14266)
>>> ******************** TEST 'LLVM ::
>>> ExecutionEngine/Interpreter/intrinsics.ll' FAILED ********************
>>> Script:
>>> --
>>> C:/msys64/home/Martell/llvmbuild/./bin/lli.EXE -O0 -force-interpreter <
>>> C:/msys64/home/Martell/llvm/test/ExecutionEngine/Interpreter/intrinsics.ll
>>> --
>>> Exit Code: 1
>>>
>>> Command Output (stdout):
>>> --
>>> Command 0: "C:/msys64/home/Martell/llvmbuild/./bin/lli.EXE" "-O0"
>>> "-force-interpreter"
>>> Command 0 Result: 1
>>> Command 0 Output:
>>>
>>> Command 0 Stderr:
>>> LLVM ERROR: Tried to execute an unknown external function: truncf
>>> --
>>>
>>
>> the same failure happens for trunc, round and copysign.
>>
>> Commenting out these declarations and calls result in a successful
>> make-check.
>>
>> -- Testing: 14266 tests, 8 threads --
>>> Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
>>> Testing Time: 83.21s
>>>   Expected Passes    : 10267
>>>   Expected Failures  : 49
>>>   Unsupported Tests  : 3950
>>> [100%] Built target check-llvm
>>>
>>
>> Have you any idea on how to fix this
>>
>> Many Thanks
>> Martell
>>
>
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