diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -1122,12 +1122,33 @@
                             "-DLLVM_ENABLE_PROJECTS=mlir",
                             "-DLLVM_TARGETS_TO_BUILD='host;NVPTX;AMDGPU'",
                         ])},
+        {'name': 'ppc64le-mlir-rhel-clang',
+         'mergeRquests': False,
+         'slavenames': ['ppc64le-flang+mlir-rhel-test'],
+         'builddir': 'ppc64le-mlir-rhel-clang-build',
+         'factory': UnifiedTreeBuilder.getCmakeWithNinjaBuildFactory(
+                          clean=True,
+                          depends_on_projects=['llvm', 'mlir'],
+                          checks=['check-mlir'],
+                          extra_configure_args=[
+                              '-DLLVM_TARGETS_TO_BUILD="PowerPC"',
+                              '-DLLVM_INSTALL_UTILS=ON',
+                              '-DCMAKE_CXX_STANDARD=17',
+                              '-DLLVM_ENABLE_PROJECTS="mlir"',
+                              '-DLLVM_LIT_ARGS=-v -j256'
+                          ],
+                          env={
+                              'CC': 'clang',
+                              'CXX': 'clang++',
+                              'LD': 'lld'
+                          }),
+         'category': 'mlir'},
     ]
 
 # Sanitizer builders.
 def _get_sanitizer_builders():
       return [
-          {'name': "sanitizer-x86_64-linux",
+         {'name': "sanitizer-x86_64-linux",
            'slavenames' :["sanitizer-buildbot1", "sanitizer-buildbot2"],
            'builddir': "sanitizer-x86_64-linux",
            'factory': SanitizerBuilder.getSanitizerBuildFactory()},
@@ -1557,6 +1578,27 @@
                         ],
          ),
          'category' : 'flang'},
+        {'name': 'ppc64le-flang-rhel-clang',
+         'mergeRquests': False,
+         'slavenames': ['ppc64le-flang+mlir-rhel-test'],
+         'builddir': 'ppc64le-flang-rhel-clang-build',
+         'factory': UnifiedTreeBuilder.getCmakeWithNinjaBuildFactory(
+                         clean=True,
+                         depends_on_projects=['llvm', 'mlir', 'clang', 'flang'],
+                         checks=['check-flang'],
+                         extra_configure_args=[
+                             '-DLLVM_TARGETS_TO_BUILD="PowerPC"',
+                             '-DLLVM_INSTALL_UTILS=ON',
+                             '-DCMAKE_CXX_STANDARD=17',
+                             '-DLLVM_ENABLE_PROJECTS="flang"',
+                             '-DLLVM_LIT_ARGS=-v -j256'
+                         ],
+                         env={
+                             'CC': 'clang',
+                             'CXX': 'clang++',
+                             'LD': 'lld'
+                         }),
+         'category': 'flang'},
         ]
 
 # Experimental and stopped builders
diff --git a/buildbot/osuosl/master/config/slaves.py b/buildbot/osuosl/master/config/slaves.py
--- a/buildbot/osuosl/master/config/slaves.py
+++ b/buildbot/osuosl/master/config/slaves.py
@@ -75,8 +75,9 @@
         create_slave("ppc64le-clang-lnt-test", properties={'jobs': 8}, max_builds=1),
         create_slave("ppc64le-clang-multistage-test", properties={'jobs': 8}, max_builds=1),
         create_slave("ppc64le-sanitizer", properties={'jobs': 4}, max_builds=1),
-        create_slave("ppc64le-lld-multistage-test", properties={'jobs': 40}, max_builds=1),
+        create_slave("ppc64le-lld-multistage-test", max_builds=1),
         create_slave("ppc64le-clang-rhel-test", properties={'jobs': 4}, max_builds=1),
+        create_slave("ppc64le-flang+mlir-rhel-test", max_builds=1)
 
         # Ubuntu x86-64, Intel(R) Xeon(R) CPU E5-2680 0 @ 2.70GHz
         create_slave("hexagon-build-02", properties={'jobs': 12, 'loadaverage': 32},