diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -69,6 +69,7 @@
 #include "llvm/Transforms/Instrumentation/KCFI.h"
 #include "llvm/Transforms/Instrumentation/MemProfiler.h"
 #include "llvm/Transforms/Instrumentation/MemorySanitizer.h"
+#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
 #include "llvm/Transforms/Instrumentation/SanitizerBinaryMetadata.h"
 #include "llvm/Transforms/Instrumentation/SanitizerCoverage.h"
 #include "llvm/Transforms/Instrumentation/ThreadSanitizer.h"
@@ -89,8 +90,6 @@
 #include "llvm/Support/Extension.def"
 
 namespace llvm {
-extern cl::opt<bool> DebugInfoCorrelate;
-
 // Experiment to move sanitizers earlier.
 static cl::opt<bool> ClSanitizeOnOptimizerEarlyEP(
     "sanitizer-early-opt-ep", cl::Optional,
diff --git a/llvm/include/llvm/ProfileData/ProfileCommon.h b/llvm/include/llvm/ProfileData/ProfileCommon.h
--- a/llvm/include/llvm/ProfileData/ProfileCommon.h
+++ b/llvm/include/llvm/ProfileData/ProfileCommon.h
@@ -28,6 +28,14 @@
 
 namespace llvm {
 
+extern cl::opt<bool> UseContextLessSummary;
+extern cl::opt<int> ProfileSummaryCutoffHot;
+extern cl::opt<int> ProfileSummaryCutoffCold;
+extern cl::opt<unsigned> ProfileSummaryHugeWorkingSetSizeThreshold;
+extern cl::opt<unsigned> ProfileSummaryLargeWorkingSetSizeThreshold;
+extern cl::opt<uint64_t> ProfileSummaryHotCount;
+extern cl::opt<uint64_t> ProfileSummaryColdCount;
+
 namespace sampleprof {
 
 class FunctionSamples;
diff --git a/llvm/include/llvm/Transforms/IPO/SampleProfile.h b/llvm/include/llvm/Transforms/IPO/SampleProfile.h
--- a/llvm/include/llvm/Transforms/IPO/SampleProfile.h
+++ b/llvm/include/llvm/Transforms/IPO/SampleProfile.h
@@ -17,12 +17,20 @@
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Pass.h"
+#include "llvm/Support/CommandLine.h"
 #include <string>
 
 namespace llvm {
 
 class Module;
 
+extern cl::opt<int> SampleHotCallSiteThreshold;
+extern cl::opt<int> SampleColdCallSiteThreshold;
+extern cl::opt<int> ProfileInlineGrowthLimit;
+extern cl::opt<int> ProfileInlineLimitMin;
+extern cl::opt<int> ProfileInlineLimitMax;
+extern cl::opt<bool> SortProfiledSCC;
+
 namespace vfs {
 class FileSystem;
 } // namespace vfs
diff --git a/llvm/include/llvm/Transforms/Instrumentation/PGOInstrumentation.h b/llvm/include/llvm/Transforms/Instrumentation/PGOInstrumentation.h
--- a/llvm/include/llvm/Transforms/Instrumentation/PGOInstrumentation.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/PGOInstrumentation.h
@@ -18,11 +18,14 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include "llvm/IR/PassManager.h"
+#include "llvm/Support/CommandLine.h"
 #include <cstdint>
 #include <string>
 
 namespace llvm {
 
+extern cl::opt<bool> DebugInfoCorrelate;
+
 class Function;
 class Instruction;
 class Module;
diff --git a/llvm/lib/Analysis/ProfileSummaryInfo.cpp b/llvm/lib/Analysis/ProfileSummaryInfo.cpp
--- a/llvm/lib/Analysis/ProfileSummaryInfo.cpp
+++ b/llvm/lib/Analysis/ProfileSummaryInfo.cpp
@@ -23,16 +23,6 @@
 #include <optional>
 using namespace llvm;
 
-// Knobs for profile summary based thresholds.
-namespace llvm {
-extern cl::opt<int> ProfileSummaryCutoffHot;
-extern cl::opt<int> ProfileSummaryCutoffCold;
-extern cl::opt<unsigned> ProfileSummaryHugeWorkingSetSizeThreshold;
-extern cl::opt<unsigned> ProfileSummaryLargeWorkingSetSizeThreshold;
-extern cl::opt<int> ProfileSummaryHotCount;
-extern cl::opt<int> ProfileSummaryColdCount;
-} // namespace llvm
-
 static cl::opt<bool> PartialProfile(
     "partial-profile", cl::Hidden, cl::init(false),
     cl::desc("Specify the current profile is used as a partial profile."));
diff --git a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
--- a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -47,6 +47,7 @@
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/TargetParser/Triple.h"
+#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 #include "llvm/Transforms/Utils/SSAUpdater.h"
 #include <algorithm>
diff --git a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
--- a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
@@ -327,7 +327,6 @@
 // Defined in Analysis/BlockFrequencyInfo.cpp:  -view-bfi-func-name=
 extern cl::opt<std::string> ViewBlockFreqFuncName;
 
-extern cl::opt<bool> DebugInfoCorrelate;
 } // namespace llvm
 
 static cl::opt<bool>
diff --git a/llvm/tools/llvm-profgen/CSPreInliner.cpp b/llvm/tools/llvm-profgen/CSPreInliner.cpp
--- a/llvm/tools/llvm-profgen/CSPreInliner.cpp
+++ b/llvm/tools/llvm-profgen/CSPreInliner.cpp
@@ -11,6 +11,7 @@
 #include "llvm/ADT/SCCIterator.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
+#include "llvm/Transforms/IPO/SampleProfile.h"
 #include <cstdint>
 #include <queue>
 
@@ -35,13 +36,6 @@
 // TODO: the actual threshold to be tuned here because the size here is based
 // on machine code not LLVM IR.
 namespace llvm {
-extern cl::opt<int> SampleHotCallSiteThreshold;
-extern cl::opt<int> SampleColdCallSiteThreshold;
-extern cl::opt<int> ProfileInlineGrowthLimit;
-extern cl::opt<int> ProfileInlineLimitMin;
-extern cl::opt<int> ProfileInlineLimitMax;
-extern cl::opt<bool> SortProfiledSCC;
-
 cl::opt<bool> EnableCSPreInliner(
     "csspgo-preinliner", cl::Hidden, cl::init(true),
     cl::desc("Run a global pre-inliner to merge context profile based on "