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
@@ -1577,7 +1577,7 @@
                     ])},
 
 # Sanitizer builders.
-# 
+#
 # bootstrap-asan, bootstrap-msan, and sanitizer-x86_64-linux-fast have steps
 # with large memory usage, so assign them to different workers.
 
@@ -2468,6 +2468,45 @@
                     depends_on_projects=['llvm', 'bolt'],
                     )},
 
+    {'name': "bolt-x86_64-ubuntu-clang-bolt-gcc",
+    'tags': ["bolt"],
+    'collapseRequests': False,
+    'workernames':["bolt-worker"],
+    'builddir': "bolt-x86_64-ubuntu-clang-bolt-gcc",
+    'factory' : BOLTBuilder.getBOLTCmakeBuildFactory(
+                    bolttests=False,
+                    depends_on_projects=['bolt', 'clang', 'llvm'],
+                    cache='clang/cmake/caches/BOLT.cmake',
+                    targets=['clang++-bolt'],
+                    extra_configure_args=[
+                        "-DCMAKE_C_COMPILER=gcc",
+                        "-DCMAKE_CXX_COMPILER=g++",
+                        "-DLLVM_APPEND_VC_REV=OFF",
+                        "-DLLVM_CCACHE_BUILD=ON",
+                        ],
+                    )},
+
+    {'name': "bolt-x86_64-ubuntu-clang-bolt-lto-pgo",
+    'tags': ["bolt"],
+    'collapseRequests': False,
+    'workernames':["bolt-worker"],
+    'builddir': "bolt-x86_64-ubuntu-clang-bolt-lto-pgo",
+    'factory' : BOLTBuilder.getBOLTCmakeBuildFactory(
+                    bolttests=False,
+                    depends_on_projects=['bolt', 'clang', 'lld', 'llvm'],
+                    cache='clang/cmake/caches/BOLT-PGO.cmake',
+                    targets=['stage2-clang++-bolt'],
+                    extra_configure_args=[
+                        "-DLLVM_APPEND_VC_REV=OFF",
+                        "-DLLVM_ENABLE_LLD=ON",
+                        "-DBOOTSTRAP_LLVM_ENABLE_LLD=ON",
+                        "-DBOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_LLD=ON",
+                        "-DLLVM_CCACHE_BUILD=ON",
+                        "-DBOOTSTRAP_LLVM_CCACHE_BUILD=ON",
+                        "-DPGO_INSTRUMENT_LTO=Thin",
+                        ],
+                    )},
+
     {'name': "bolt-x86_64-ubuntu-dylib",
     'tags': ["bolt"],
     'collapseRequests': False,
diff --git a/zorg/buildbot/builders/BOLTBuilder.py b/zorg/buildbot/builders/BOLTBuilder.py
--- a/zorg/buildbot/builders/BOLTBuilder.py
+++ b/zorg/buildbot/builders/BOLTBuilder.py
@@ -6,8 +6,12 @@
 def getBOLTCmakeBuildFactory(
            clean = False,
            bolttests = False,
+           targets = None,
+           checks = None,
+           cache = None,
            extra_configure_args = None,
            env = None,
+           depends_on_projects = ['bolt', 'llvm'],
            **kwargs):
 
     if env is None:
@@ -18,11 +22,13 @@
     cleanBuildRequested = lambda step: clean or step.build.getProperty("clean", default=step.build.getProperty("clean_obj"))
     cleanBuildRequestedByProperty = lambda step: step.build.getProperty("clean")
 
-    checks = ['check-bolt']
-    extra_steps = []
+    if not targets:
+        targets = ['bolt']
+    if not checks:
+        checks = ['check-bolt']
 
     f = getLLVMBuildFactoryAndSourcecodeSteps(
-            depends_on_projects=['bolt', 'llvm'],
+            depends_on_projects=depends_on_projects,
             **kwargs) # Pass through all the extra arguments.
 
     if bolttests:
@@ -53,6 +59,11 @@
         ('-G',                      'Ninja'),
         ])
 
+    if cache:
+        CmakeCommand.applyRequiredOptions(extra_configure_args, [
+            ("-C", f"../{f.monorepo_dir}/{cache}"),
+            ])
+
     addCmakeSteps(
         f,
         cleanBuildRequested=cleanBuildRequested,
@@ -63,7 +74,7 @@
 
     addNinjaSteps(
         f,
-        targets = ['bolt'],
+        targets=targets,
         checks=checks,
         env=env,
         **kwargs)