Add new worker debian-tritium-mips64el for Linux 64-bit MIPS LE

[glaubitz]

Summary

This adds a new builder called debian-tritium-mips64el which
will build LLVM and Clang on Debian unstable on mips64el.

[gkistanova]

Thanks, Adrian!

LGTM.
Once committed, please feel free to connect the new worker to the staging.

[glaubitz]

In D125872#3524240, @gkistanova wrote:

Thanks, Adrian!

You're welcome!

LGTM.
Once committed, please feel free to connect the new worker to the staging.

Since I don't have commit access myself, it would be great if someone else could commit the changes for me.

The worker is already set up and waiting to connect. I have also sent you the credentials :-).

[gkistanova]

Everything is ready for the new worker to be staged.

buildbot/osuosl/master/config/builders.py

'factory' : ClangBuilder.getClangCMakeBuildFactory(
                     checkout_lld=False,
                     useTwoStage=False,
                     stage1_config='Release',
                     extra_cmake_args=[
                         "-DLLVM_ENABLE_ASSERTIONS=ON",
                         "-DLLVM_TARGETS_TO_BUILD=X86",
                         "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=M68k"])},
 
+    {'name' : "clang-mips64el-linux",
+    'tags'  : ["clang"],
+    'workernames' : ["debian-tritium-mips64el"],
+    'builddir': "clang-mips64el-linux",
+    'factory' : ClangBuilder.getClangCMakeBuildFactory(
+                    clean=False,
+                    checkout_lld=False,
+                    useTwoStage=False,
+                    stage1_config='Release',
+                    extra_cmake_args=['-DLLVM_ENABLE_ASSERTIONS=ON',
+                                      '-DLLVM_PARALLEL_LINK_JOBS=4',
+                                      '-DLLVM_TARGETS_TO_BUILD=Mips'])},
+
     {'name' : "clang-ppc64be-linux-lnt",
     'tags'  : ["clang", "ppc"],
     'workernames' : ["ppc64be-clang-lnt-test"],
     'builddir': "clang-ppc64be-lnt",
     'factory' : ClangBuilder.getClangCMakeBuildFactory(
                     clean=False,
                     checkout_lld=False,
                     useTwoStage=False,

buildbot/osuosl/master/config/workers.py

return [
         create_worker("linaro-lldb-aarch64-windows", properties={'jobs' : 8}, max_builds=1),
 
         # Windows Server 2016 Intel Xeon(R) Quad 2.30 GHz, 56GB of RAM
         create_worker("win-py3-buildbot", properties={'jobs' : 64}, max_builds=1),
 
         # Windows Server 2016 Intel(R) Xeon(R) CPU @ 2.60GHz, 16 Core(s), 128 GB of RAM
         create_worker("win-mlir-buildbot", properties={'jobs' : 64}, max_builds=1),
 
+        # MIPS Loongson-3A R4 (Loongson-3A4000) 64-bit little endian (mips64el)
+        create_worker("debian-tritium-mips64el", properties={'jobs': 1}, max_builds=1),
+
         # Motorola 68k 32-bit big endian (m68k)
         create_worker("debian-akiko-m68k", properties={'jobs': 1}, max_builds=1),
         create_worker("suse-gary-m68k-cross", properties={'jobs': 4}, max_builds=1),
 
         # POWER7 PowerPC big endian (powerpc64)
         create_worker("ppc64be-clang-lnt-test", properties={'jobs': 16, 'vcs_protocol': 'https'}, max_builds=1),
         create_worker("ppc64be-clang-multistage-test", properties={'jobs': 16}, max_builds=1),
         create_worker("ppc64be-sanitizer", properties={'jobs': 16}, max_builds=1),