[OpenMP][Flang] Adds experimental OpenMP bot (#87)

This bot adds clang and flang frontends to the OpenMP runtime on
AMDGPUs. Given the current state of flang, this can still be seen quite
experimental.
Also, this relies on a new worker that is not yet connected.

Author: jplehr

buildbot/osuosl/master/config/builders.py

@@ -1823,6 +1823,32 @@
                         add_lit_checks=["check-clang", "check-llvm", "check-lld", "check-libc"]
                     )},
 
+    {'name' : "openmp-offload-amdgpu-clang-flang",
+    'tags'  : ["openmp,flang"],
+    'workernames' : ["rocm-worker-hw-01"],
+    'builddir': "openmp-offload-amdgpu-clang-flang",
+    'factory' : OpenMPBuilder.getOpenMPCMakeBuildFactory(
+                        clean=True,
+                        enable_runtimes=['openmp'],
+                        depends_on_projects=['llvm','clang','lld','openmp','flang'],
+                        extraCmakeArgs=[
+                            "-DCMAKE_BUILD_TYPE=Release",
+                            "-DCLANG_DEFAULT_LINKER=lld",
+                            "-DLLVM_TARGETS_TO_BUILD=X86;AMDGPU",
+                            "-DLLVM_ENABLE_ASSERTIONS=ON",
+                            "-DLLVM_ENABLE_RUNTIMES=openmp",
+                            "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
+                            "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
+                            ],
+                        install=True,
+                        testsuite=False,
+                        testsuite_sollvevv=False,
+                        extraTestsuiteCmakeArgs=[
+                            "-DTEST_SUITE_SOLLVEVV_OFFLOADING_CFLAGS=-fopenmp-targets=amdgcn-amd-amdhsa;-Xopenmp-target=amdgcn-amd-amdhsa",
+                            "-DTEST_SUITE_SOLLVEVV_OFFLOADING_LDLAGS=-fopenmp-targets=amdgcn-amd-amdhsa;-Xopenmp-target=amdgcn-amd-amdhsa",
+                        ],
+                    )},
+
 
 # Whole-toolchain builders.
 

buildbot/osuosl/master/config/workers.py

@@ -298,6 +298,9 @@ def get_all():
         create_worker("omp-vega20-0", properties={'jobs': 32}, max_builds=1),
         create_worker("omp-vega20-1", properties={'jobs': 32}, max_builds=1),
 
+        # Flang OpenMP on AMDGPU, Ubuntu 22.04.3, AMD(R) EPYC 9354 @ 2.5GHz with 512GB Memory, 1 MI210 GPU with 64GB Memory
+        create_worker("rocm-worker-hw-01", properties={'jobs': 64}, max_builds=1),
+
         # AMD ROCm support, Ubuntu 18.04.6, AMD Ryzen @ 1.5 GHz, MI200 GPU
         create_worker("mi200-buildbot", max_builds=1),