<div dir="ltr">Hi Michał,<div><br></div><div>I rebuilt everything from scratch today on my Ubuntu 20.04.2 machine (x86_64). "ninja check-all" succeeded for me. I also ran those four Driver test cases by hand to confirm that they passed.</div><div><br></div><div>The commits I used were:</div><div><br></div><div> c1851402a4572a8454fe2255f7ef3bae0516f1d3 classic-flang-llvm-project</div><div> 01c15cbe7acff988e526de75ad5c61ab09f44f48 flang<br></div><div><br></div><div>The tools I used were:</div><div><br></div><div> - gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)</div><div> - GNU Make 4.2.1</div><div> - cmake version 3.16.3</div><div> - ninja 1.10.0</div><div><br></div><div>For the complete build script I used, see:</div><div><br></div><div><a href="https://github.com/Huawei-PTLab/classic-flang-llvm-project/wiki">https://github.com/Huawei-PTLab/classic-flang-llvm-project/wiki</a></div><div><br></div><div>Regards,<br><div><div><div dir="ltr" data-smartmail="gmail_signature">--<br>Bryan Chan</div></div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Mar 16, 2021 at 7:20 AM Michał Paszta <<a href="mailto:michal.paszta@mobica.com" target="_blank">michal.paszta@mobica.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Thanks for checking this, Bryan.<div><br></div><div>First of all - the flang failure was just a local glitch on my side and was a false alert, sorry about this. So flang repo as such seems safe, all I can see is test failures for clang driver.</div><div><br></div><div>I hope the same holds true for the driver failures, however I managed to also reproduce them for clang-12.0.0 and then again more time with gcc-10.1.0. and gcc-9.3.0.</div><div>I used the following command for configuration, I hope the configs are the same? I did not build aarch64 as I don't have the native processor available.</div><div><br></div><div>Command I used is the same as yours, I just paste actual values (Release build, etc.), to give all information:</div><div><br></div><div>cmake \<br>-DCMAKE_BUILD_TYPE=Release \<br>-DCMAKE_INSTALL_PREFIX=/usr/local \<br>-DCMAKE_C_COMPILER=/usr/bin/gcc-9 \<br>-DCMAKE_CXX_COMPILER=/usr/bin/g++-9 \<br>-DLLVM_ENABLE_PROJECTS="clang;openmp" \<br>-DLLVM_ENABLE_ASSERTIONS=on \<br>-DLLVM_ENABLE_CLASSIC_FLANG=ON \<br>-DLLVM_OPTIMIZED_TABLEGEN=on \<br>-DLLVM_TARGETS_TO_BUILD="X86" \<br>../llvm<br></div><div><br></div><div>I later also tried to build with ninja. Altogether I tested the following configurations:</div><div>* clang-12 + make (12.0.0)</div><div>* clang-12 + ninja</div><div>* gcc-10 + make (10.1.0)</div><div>* gcc-10 + ninja</div><div>* gcc-9 + ninja ( gcc-9.3.0 to be exact - should be exactly the same setup as yours?)</div><div><br></div><div>All of them gave me the same four errors I mentioned above.</div><div><br></div><div>Details of my environment setup (Ubuntu-18.04):</div><div>* cmake-3.18.4</div><div>* ninja-1.8.2</div><div>* make-4.1</div><div><br></div><div>I am at: commit c1851402a4572a8454fe2255f7ef3bae0516f1d3 (HEAD -> release_12x, origin/release_12x).</div><div><br></div><div>Can you let me know your tools versions for comparison?</div><div><br></div><div>Best regards, <br></div><div><br clear="all"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Michał Paszta<br>Senior Consultant / Senior Group Manager</div><div dir="ltr"><br></div><div>Mobica Ltd.</div><div dir="ltr">Address: Skierniewicka 10a, 01-230 Warszawa<br></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Mar 16, 2021 at 12:26 AM Bryan Chan <<a href="mailto:bryanpkc@gmail.com" target="_blank">bryanpkc@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Michal,<div><br></div><div>That is really strange.</div><div><br></div><div>I was not able to reproduce the Driver test failures you saw. They all pass for me, on both X86 and AArch64. I did see some libomptarget failures on AArch64, but I believe those are failing on upstream LLVM 12 as well.</div><div><br></div><div>The CMake and ninja incantations I used to configure and build classic-flang-llvm-project were:</div><div><br></div><div>cmake -G Ninja \<br> -DCMAKE_BUILD_TYPE=$buildtype \<br> -DCMAKE_INSTALL_PREFIX=$installdir \<br> -DCMAKE_C_COMPILER=gcc \<br> -DCMAKE_CXX_COMPILER=g++ \<br> -DLLVM_ENABLE_PROJECTS="clang;openmp" \<br> -DLLVM_ENABLE_ASSERTIONS=on \<br> -DLLVM_ENABLE_CLASSIC_FLANG=on \<br> -DLLVM_OPTIMIZED_TABLEGEN=on \<br> -DLLVM_TARGETS_TO_BUILD="X86;AArch64" \<br> ../../llvm-project/llvm || exit 1<br>ninja -v check-all install 2>&1<br></div><div><br></div><div>I used GCC 9.3 instead of GCC 10, but I don't think that matters.</div><div><br></div><div>Is anyone else seeing the same failures?</div><div><br></div><div><div><div dir="ltr">--<br>Bryan Chan</div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 15, 2021 at 9:58 AM Michał Paszta <<a href="mailto:michal.paszta@mobica.com" target="_blank">michal.paszta@mobica.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Bryan,<div><br></div><div>Thanks a lot for your efforts with creating this branch. I checked out both your classic-flang-llvm-project/release_12x branch and the code in PR #1010, that you mentioned. They both built fine for me with gcc-10, but I got some errors from the tests I ran. I expect we should also see them in CI, once the release_12x branch is pulled into the origin repo.</div><div><br></div><div>Classic-flang-llvm-project errors:</div><div><br></div><div>Failed Tests (4):<br> Clang :: Driver/flang/classic-flang-must-preprocess.F<br> Clang :: Driver/flang/classic-flang-must-preprocess.F95<br> Clang :: Driver/flang/classic-flang.f<br> Clang :: Driver/flang/classic-flang.f95<br></div><div><br></div><div>make install went fine despite the test failures.</div><div>With the new llvm-12 I ran the flang project tests and got this error:</div><div><br></div><div>Failed Tests (1):<br> Flang :: f90_correct/lit/array_constructor_nested_implied_do.sh<br></div><div><br></div><div>This comes from a test I just added recently in PR#1004, so perhaps it just needs a slight adjustment to the newer llvm tools. I can check this.</div><div><br></div><div>I am more worried about the llvm project failures. We do run clang and llvm tests on every PR, but when pulling the branch as a whole we won't see them until the first PR to the new branch is submitted for review (just like was the case with release_11x).</div><div>Are you able to reproduce these failures on your side?</div><div><br></div><div>Best regards,</div><div><br></div><div><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Michał Paszta<br>Senior Consultant / Senior Group Manager</div><div dir="ltr"><br></div><div>Mobica Ltd.</div><div dir="ltr">Address: Skierniewicka 10a, 01-230 Warszawa<br></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 14, 2021 at 6:24 PM Bryan Chan via flang-dev <<a href="mailto:flang-dev@lists.llvm.org" target="_blank">flang-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>I have created a candidate <a href="https://github.com/Huawei-PTLab/classic-flang-llvm-project/tree/release_12x" target="_blank">release_12x</a> branch in classic-flang-llvm-project. It is a rebase of all commits from release_11x since <a href="https://github.com/flang-compiler/classic-flang-llvm-project/commit/43ff75f2c3feef64f9d73328230d34dac8832a91" target="_blank">43ff75f2</a>, minus the DebugInfo additions that already exist in upstream LLVM 12. To build Classic Flang with this branch, we also need some minor changes to Classic Flang itself (see <a href="https://github.com/flang-compiler/flang/pull/1010" target="_blank">PR #1010</a>). I have tested the build on both X86 and AArch64, and made sure all regression tests pass.</div><div><br></div><div>Any help from the community to review and test this branch would be greatly appreciated. Once the final LLVM 12.0.0 is tagged, I will rebase the branch and pull it into classic-flang-llvm-project, if there is no objection from the community.</div><div><br></div><div>Thanks,<br clear="all"><div><div dir="ltr">--<br>Bryan Chan</div></div></div></div>
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