Index: llvm/include/llvm/Support/BranchProbability.h
===================================================================
--- llvm/include/llvm/Support/BranchProbability.h
+++ llvm/include/llvm/Support/BranchProbability.h
@@ -13,6 +13,7 @@
 #ifndef LLVM_SUPPORT_BRANCHPROBABILITY_H
 #define LLVM_SUPPORT_BRANCHPROBABILITY_H
 
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/DataTypes.h"
 #include <algorithm>
 #include <cassert>
@@ -21,6 +22,9 @@
 
 namespace llvm {
 
+extern cl::opt<uint32_t> LikelyBranchWeight;
+extern cl::opt<uint32_t> UnlikelyBranchWeight;
+
 class raw_ostream;
 
 // This class represents Branch Probability as a non-negative fraction that is
Index: llvm/include/llvm/Transforms/Scalar/LowerExpectIntrinsic.h
===================================================================
--- llvm/include/llvm/Transforms/Scalar/LowerExpectIntrinsic.h
+++ llvm/include/llvm/Transforms/Scalar/LowerExpectIntrinsic.h
@@ -17,7 +17,6 @@
 
 #include "llvm/IR/Function.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/Support/CommandLine.h"
 
 namespace llvm {
 
@@ -32,8 +31,6 @@
   PreservedAnalyses run(Function &F, FunctionAnalysisManager &);
 };
 
-extern cl::opt<uint32_t> LikelyBranchWeight;
-extern cl::opt<uint32_t> UnlikelyBranchWeight;
 }
 
 #endif
Index: llvm/lib/Support/BranchProbability.cpp
===================================================================
--- llvm/lib/Support/BranchProbability.cpp
+++ llvm/lib/Support/BranchProbability.cpp
@@ -19,6 +19,20 @@
 
 using namespace llvm;
 
+// These default values are chosen to represent an extremely skewed outcome for
+// a condition, but they leave some room for interpretation by later passes.
+//
+// If the documentation for __builtin_expect() was made explicit that it should
+// only be used in extreme cases, we could make this ratio higher. As it stands,
+// programmers may be using __builtin_expect() / llvm.expect to annotate that a
+// branch is only mildly likely or unlikely to be taken.
+cl::opt<uint32_t> llvm::LikelyBranchWeight(
+    "likely-branch-weight", cl::Hidden, cl::init(2000),
+    cl::desc("Weight of the branch likely to be taken (default = 2000)"));
+cl::opt<uint32_t> llvm::UnlikelyBranchWeight(
+    "unlikely-branch-weight", cl::Hidden, cl::init(1),
+    cl::desc("Weight of the branch unlikely to be taken (default = 1)"));
+
 constexpr uint32_t BranchProbability::D;
 
 raw_ostream &BranchProbability::print(raw_ostream &OS) const {
Index: llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp
+++ llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp
@@ -24,6 +24,7 @@
 #include "llvm/IR/Metadata.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
+#include "llvm/Support/BranchProbability.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Transforms/Scalar.h"
 
@@ -34,25 +35,6 @@
 STATISTIC(ExpectIntrinsicsHandled,
           "Number of 'expect' intrinsic instructions handled");
 
-// These default values are chosen to represent an extremely skewed outcome for
-// a condition, but they leave some room for interpretation by later passes.
-//
-// If the documentation for __builtin_expect() was made explicit that it should
-// only be used in extreme cases, we could make this ratio higher. As it stands,
-// programmers may be using __builtin_expect() / llvm.expect to annotate that a
-// branch is likely or unlikely to be taken.
-//
-// There is a known dependency on this ratio in CodeGenPrepare when transforming
-// 'select' instructions. It may be worthwhile to hoist these values to some
-// shared space, so they can be used directly by other passes.
-
-cl::opt<uint32_t> llvm::LikelyBranchWeight(
-    "likely-branch-weight", cl::Hidden, cl::init(2000),
-    cl::desc("Weight of the branch likely to be taken (default = 2000)"));
-cl::opt<uint32_t> llvm::UnlikelyBranchWeight(
-    "unlikely-branch-weight", cl::Hidden, cl::init(1),
-    cl::desc("Weight of the branch unlikely to be taken (default = 1)"));
-
 static std::tuple<uint32_t, uint32_t>
 getBranchWeight(Intrinsic::ID IntrinsicID, CallInst *CI, int BranchCount) {
   if (IntrinsicID == Intrinsic::expect) {