[Openmp-dev] AMDGPU and clang-tools-extra

[Ye Luo via Openmp-dev]

 -DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_RUNTIMES="openmp"
I think this is what Jon refers to.

If you have issues building llvm at main in spack. Please provide your spack
command and attach the following files
spack-build-01-cmake-out.txt
spack-build-02-build-out.txt
from your spack-stage llvm build folder.
Best,
Ye
===================
Ye Luo, Ph.D.
Computational Science Division & Leadership Computing Facility
Argonne National Laboratory


On Wed, May 19, 2021 at 4:34 PM Itaru Kitayama <itaru.kitayama at gmail.com>
wrote:

> Jon, Ye,
> Is this
>
> -DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_RUNTIMES="openmp"
>
> correct? I used, and Spack as well, combined them (clang and openmp
> projects) together indeed in ENABLE_PROJECTS.
> On Thu, May 20, 2021 at 5:18 AM Ye Luo via Openmp-dev
> <openmp-dev at lists.llvm.org> wrote:
> >
> > spack install llvm at main does work on my workstation with ubuntu 20.04.
> rocm is installed and amd pieces for OpenMP offload are rebuilt properly. I
> have limited ideas about the experience on other OSes.
> >
> > yeluo at epyc-server:~/opt/llvm-clang/llvm-project$ ls
> /home/packages/spack/opt/spack/linux-ubuntu20.04-zen2/gcc-10.2.0/llvm-main-6n25gihrin6rc727fbothf44yq6zbp5a/lib/libomp
> > libomp.so                      libomptarget-amdgcn-gfx803.bc
> libomptarget.rtl.cuda.so
> > libomptarget-amdgcn-gfx700.bc  libomptarget-amdgcn-gfx900.bc
> libomptarget.rtl.x86_64.so
> > libomptarget-amdgcn-gfx701.bc  libomptarget-amdgcn-gfx906.bc
> libomptarget.so
> > libomptarget-amdgcn-gfx801.bc  libomptarget.rtl.amdgpu.so
> >
> > yeluo at epyc-server:~/opt/llvm-clang/llvm-project$ which clang-tidy
> >
> /home/packages/spack/opt/spack/linux-ubuntu20.04-zen2/gcc-10.2.0/llvm-main-6n25gihrin6rc727fbothf44yq6zbp5a/bin/clang-tidy
> >
> > spack uses ENABLE_PROJECTS and doesn't use ENABLE_RUNTIMES right now.
> > So the output from building clang-tools-extra and openmp can be blended.
> >
> > Best,
> > Ye
> > ===================
> > Ye Luo, Ph.D.
> > Computational Science Division & Leadership Computing Facility
> > Argonne National Laboratory
> >
> >
> > On Wed, May 19, 2021 at 2:22 PM Jon Chesterfield via Openmp-dev <
> openmp-dev at lists.llvm.org> wrote:
> >>>
> >>> Date: Wed, 19 May 2021 15:09:18 +0900
> >>> From: Itaru Kitayama via Openmp-dev <openmp-dev at lists.llvm.org>
> >>> To: openmp-dev <openmp-dev at lists.llvm.org>
> >>> Subject: [Openmp-dev] AMDGPU and clang-tools-extra
> >>> Message-ID:
> >>>         <CANW9uysd4uCQ7j3Jr1qmn2=RPo5a5OGU9e8-vPuuGv=
> P0nAXDQ at mail.gmail.com>
> >>> Content-Type: text/plain; charset="UTF-8"
> >>>
> >>> I am trying to build llvm on main branch with Spack with help from
> Tom, however
> >>> the AMDGPU code does not seem to work well with clang-tools-extra
> >>> project, which
> >>> is added together with the clang project when a Spack build initiated.
> >>> Has anyone
> >>> observed an issue with AMDGPU code with tools in upstream?
> >>
> >>
> >> None reported. I don't build clang-tools-extra, seems totally
> independent.
> >>
> >> Are you building openmp with ENABLE_PROJECTS and a clang that can't
> build amdgpu code, instead of ENABLE_RUNTIMES? If so, use ENABLE_RUNTIMES,
> a working clang, or disable the amdgpu library.
> >>
> >> Otherwise, please expand on 'does not seem to work well'.
> >>
> >> Jon
> >> _______________________________________________
> >> Openmp-dev mailing list
> >> Openmp-dev at lists.llvm.org
> >> https://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev
> >
> > _______________________________________________
> > Openmp-dev mailing list
> > Openmp-dev at lists.llvm.org
> > https://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev
>
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