Index: llvm/trunk/include/llvm/Analysis/OptimizationDiagnosticInfo.h
===================================================================
--- llvm/trunk/include/llvm/Analysis/OptimizationDiagnosticInfo.h
+++ llvm/trunk/include/llvm/Analysis/OptimizationDiagnosticInfo.h
@@ -16,6 +16,7 @@
 #define LLVM_IR_OPTIMIZATIONDIAGNOSTICINFO_H
 
 #include "llvm/ADT/Optional.h"
+#include "llvm/IR/PassManager.h"
 #include "llvm/Pass.h"
 
 namespace llvm {
@@ -28,9 +29,19 @@
 class Twine;
 class Value;
 
-class OptimizationRemarkEmitter : public FunctionPass {
+class OptimizationRemarkEmitter {
 public:
-  OptimizationRemarkEmitter();
+  OptimizationRemarkEmitter(Function *F, BlockFrequencyInfo *BFI)
+      : F(F), BFI(BFI) {}
+
+  OptimizationRemarkEmitter(OptimizationRemarkEmitter &&Arg)
+      : F(Arg.F), BFI(Arg.BFI) {}
+
+  OptimizationRemarkEmitter &operator=(OptimizationRemarkEmitter &&RHS) {
+    F = RHS.F;
+    BFI = RHS.BFI;
+    return *this;
+  }
 
   /// Emit an optimization-missed message.
   ///
@@ -48,19 +59,46 @@
   void emitOptimizationRemarkMissed(const char *PassName, Loop *L,
                                     const Twine &Msg);
 
+private:
+  Function *F;
+
+  BlockFrequencyInfo *BFI;
+
+  Optional<uint64_t> computeHotness(Value *V);
+
+  OptimizationRemarkEmitter(const OptimizationRemarkEmitter &) = delete;
+  void operator=(const OptimizationRemarkEmitter &) = delete;
+};
+
+class OptimizationRemarkEmitterWrapperPass : public FunctionPass {
+  std::unique_ptr<OptimizationRemarkEmitter> ORE;
+
+public:
+  OptimizationRemarkEmitterWrapperPass();
+
   bool runOnFunction(Function &F) override;
 
   void getAnalysisUsage(AnalysisUsage &AU) const override;
 
+  OptimizationRemarkEmitter &getORE() {
+    assert(ORE && "pass not run yet");
+    return *ORE;
+  }
+
   static char ID;
+};
 
-private:
-  Function *F;
+class OptimizationRemarkEmitterAnalysis
+    : public AnalysisInfoMixin<OptimizationRemarkEmitterAnalysis> {
+  friend AnalysisInfoMixin<OptimizationRemarkEmitterAnalysis>;
+  static char PassID;
 
-  BlockFrequencyInfo *BFI;
+public:
+  /// \brief Provide the result typedef for this analysis pass.
+  typedef OptimizationRemarkEmitter Result;
 
-  Optional<uint64_t> computeHotness(Value *V);
+  /// \brief Run the analysis pass over a function and produce BFI.
+  Result run(Function &F, AnalysisManager<Function> &AM);
 };
 }
-
 #endif // LLVM_IR_OPTIMIZATIONDIAGNOSTICINFO_H
Index: llvm/trunk/include/llvm/InitializePasses.h
===================================================================
--- llvm/trunk/include/llvm/InitializePasses.h
+++ llvm/trunk/include/llvm/InitializePasses.h
@@ -243,7 +243,7 @@
 void initializeObjCARCContractPass(PassRegistry&);
 void initializeObjCARCExpandPass(PassRegistry&);
 void initializeObjCARCOptPass(PassRegistry&);
-void initializeOptimizationRemarkEmitterPass(PassRegistry&);
+void initializeOptimizationRemarkEmitterWrapperPassPass(PassRegistry&);
 void initializeOptimizePHIsPass(PassRegistry&);
 void initializePAEvalPass(PassRegistry &);
 void initializePEIPass(PassRegistry&);
Index: llvm/trunk/lib/Analysis/Analysis.cpp
===================================================================
--- llvm/trunk/lib/Analysis/Analysis.cpp
+++ llvm/trunk/lib/Analysis/Analysis.cpp
@@ -64,7 +64,7 @@
   initializeModuleDebugInfoPrinterPass(Registry);
   initializeModuleSummaryIndexWrapperPassPass(Registry);
   initializeObjCARCAAWrapperPassPass(Registry);
-  initializeOptimizationRemarkEmitterPass(Registry);
+  initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
   initializePostDominatorTreeWrapperPassPass(Registry);
   initializeRegionInfoPassPass(Registry);
   initializeRegionViewerPass(Registry);
Index: llvm/trunk/lib/Analysis/OptimizationDiagnosticInfo.cpp
===================================================================
--- llvm/trunk/lib/Analysis/OptimizationDiagnosticInfo.cpp
+++ llvm/trunk/lib/Analysis/OptimizationDiagnosticInfo.cpp
@@ -20,10 +20,6 @@
 
 using namespace llvm;
 
-OptimizationRemarkEmitter::OptimizationRemarkEmitter() : FunctionPass(ID) {
-  initializeOptimizationRemarkEmitterPass(*PassRegistry::getPassRegistry());
-}
-
 Optional<uint64_t> OptimizationRemarkEmitter::computeHotness(Value *V) {
   if (!BFI)
     return None;
@@ -43,27 +39,50 @@
   emitOptimizationRemarkMissed(PassName, L->getStartLoc(), L->getHeader(), Msg);
 }
 
-bool OptimizationRemarkEmitter::runOnFunction(Function &Fn) {
-  F = &Fn;
+OptimizationRemarkEmitterWrapperPass::OptimizationRemarkEmitterWrapperPass()
+    : FunctionPass(ID) {
+  initializeOptimizationRemarkEmitterWrapperPassPass(
+      *PassRegistry::getPassRegistry());
+}
+
+bool OptimizationRemarkEmitterWrapperPass::runOnFunction(Function &Fn) {
+  BlockFrequencyInfo *BFI;
 
   if (Fn.getContext().getDiagnosticHotnessRequested())
     BFI = &getAnalysis<LazyBlockFrequencyInfoPass>().getBFI();
   else
     BFI = nullptr;
 
+  ORE = llvm::make_unique<OptimizationRemarkEmitter>(&Fn, BFI);
   return false;
 }
 
-void OptimizationRemarkEmitter::getAnalysisUsage(AnalysisUsage &AU) const {
+void OptimizationRemarkEmitterWrapperPass::getAnalysisUsage(
+    AnalysisUsage &AU) const {
   LazyBlockFrequencyInfoPass::getLazyBFIAnalysisUsage(AU);
   AU.setPreservesAll();
 }
 
-char OptimizationRemarkEmitter::ID = 0;
+char OptimizationRemarkEmitterAnalysis::PassID;
+
+OptimizationRemarkEmitter
+OptimizationRemarkEmitterAnalysis::run(Function &F, AnalysisManager<Function> &AM) {
+  BlockFrequencyInfo *BFI;
+
+  if (F.getContext().getDiagnosticHotnessRequested())
+    BFI = &AM.getResult<BlockFrequencyAnalysis>(F);
+  else
+    BFI = nullptr;
+
+  return OptimizationRemarkEmitter(&F, BFI);
+}
+
+char OptimizationRemarkEmitterWrapperPass::ID = 0;
 static const char ore_name[] = "Optimization Remark Emitter";
 #define ORE_NAME "opt-remark-emitter"
 
-INITIALIZE_PASS_BEGIN(OptimizationRemarkEmitter, ORE_NAME, ore_name, false,
-                      true)
+INITIALIZE_PASS_BEGIN(OptimizationRemarkEmitterWrapperPass, ORE_NAME, ore_name,
+                      false, true)
 INITIALIZE_PASS_DEPENDENCY(LazyBFIPass)
-INITIALIZE_PASS_END(OptimizationRemarkEmitter, ORE_NAME, ore_name, false, true)
+INITIALIZE_PASS_END(OptimizationRemarkEmitterWrapperPass, ORE_NAME, ore_name,
+                    false, true)
Index: llvm/trunk/lib/Passes/PassBuilder.cpp
===================================================================
--- llvm/trunk/lib/Passes/PassBuilder.cpp
+++ llvm/trunk/lib/Passes/PassBuilder.cpp
@@ -38,6 +38,7 @@
 #include "llvm/Analysis/LoopAccessAnalysis.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/MemoryDependenceAnalysis.h"
+#include "llvm/Analysis/OptimizationDiagnosticInfo.h"
 #include "llvm/Analysis/PostDominators.h"
 #include "llvm/Analysis/ProfileSummaryInfo.h"
 #include "llvm/Analysis/RegionInfo.h"
Index: llvm/trunk/lib/Passes/PassRegistry.def
===================================================================
--- llvm/trunk/lib/Passes/PassRegistry.def
+++ llvm/trunk/lib/Passes/PassRegistry.def
@@ -101,6 +101,7 @@
 FUNCTION_ANALYSIS("memoryssa", MemorySSAAnalysis())
 FUNCTION_ANALYSIS("regions", RegionInfoAnalysis())
 FUNCTION_ANALYSIS("no-op-function", NoOpFunctionAnalysis())
+FUNCTION_ANALYSIS("opt-remark-emit", OptimizationRemarkEmitterAnalysis())
 FUNCTION_ANALYSIS("scalar-evolution", ScalarEvolutionAnalysis())
 FUNCTION_ANALYSIS("targetlibinfo", TargetLibraryAnalysis())
 FUNCTION_ANALYSIS("targetir",
Index: llvm/trunk/lib/Transforms/Scalar/LoopDistribute.cpp
===================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopDistribute.cpp
+++ llvm/trunk/lib/Transforms/Scalar/LoopDistribute.cpp
@@ -883,7 +883,7 @@
     auto *LAA = &getAnalysis<LoopAccessLegacyAnalysis>();
     auto *DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
     auto *SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
-    auto *ORE = &getAnalysis<OptimizationRemarkEmitter>();
+    auto *ORE = &getAnalysis<OptimizationRemarkEmitterWrapperPass>().getORE();
 
     // Build up a worklist of inner-loops to vectorize. This is necessary as the
     // act of distributing a loop creates new loops and can invalidate iterators
@@ -918,7 +918,7 @@
     AU.addRequired<LoopAccessLegacyAnalysis>();
     AU.addRequired<DominatorTreeWrapperPass>();
     AU.addPreserved<DominatorTreeWrapperPass>();
-    AU.addRequired<OptimizationRemarkEmitter>();
+    AU.addRequired<OptimizationRemarkEmitterWrapperPass>();
   }
 
   static char ID;
@@ -938,7 +938,7 @@
 INITIALIZE_PASS_DEPENDENCY(LoopAccessLegacyAnalysis)
 INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
 INITIALIZE_PASS_DEPENDENCY(ScalarEvolutionWrapperPass)
-INITIALIZE_PASS_DEPENDENCY(OptimizationRemarkEmitter)
+INITIALIZE_PASS_DEPENDENCY(OptimizationRemarkEmitterWrapperPass)
 INITIALIZE_PASS_END(LoopDistribute, LDIST_NAME, ldist_name, false, false)
 
 namespace llvm {