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diff --git a/include/llvm/Analysis/CFLAndersAliasAnalysis.h b/include/llvm/Analysis/CFLAndersAliasAnalysis.h
new file mode 100644
index 000000000000..48eca888419a
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+++ b/include/llvm/Analysis/CFLAndersAliasAnalysis.h
@@ -0,0 +1,138 @@
+//=- CFLAndersAliasAnalysis.h - Unification-based Alias Analysis ---*- C++-*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// This is the interface for LLVM's inclusion-based alias analysis
+/// implemented with CFL graph reachability.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ANALYSIS_CFLANDERSALIASANALYSIS_H
+#define LLVM_ANALYSIS_CFLANDERSALIASANALYSIS_H
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/Analysis/AliasAnalysis.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/ValueHandle.h"
+#include "llvm/Pass.h"
+#include <forward_list>
+
+namespace llvm {
+
+class TargetLibraryInfo;
+
+namespace cflaa {
+struct AliasSummary;
+}
+
+class CFLAndersAAResult : public AAResultBase<CFLAndersAAResult> {
+  friend AAResultBase<CFLAndersAAResult>;
+  class FunctionInfo;
+
+public:
+  explicit CFLAndersAAResult(const TargetLibraryInfo &);
+  CFLAndersAAResult(CFLAndersAAResult &&);
+  ~CFLAndersAAResult();
+
+  /// Handle invalidation events from the new pass manager.
+  /// By definition, this result is stateless and so remains valid.
+  bool invalidate(Function &, const PreservedAnalyses &) { return false; }
+  /// Evict the given function from cache
+  void evict(const Function &Fn);
+
+  /// \brief Get the alias summary for the given function
+  /// Return nullptr if the summary is not found or not available
+  const cflaa::AliasSummary *getAliasSummary(const Function &);
+
+  AliasResult query(const MemoryLocation &, const MemoryLocation &);
+  AliasResult alias(const MemoryLocation &, const MemoryLocation &);
+
+private:
+  struct FunctionHandle final : public CallbackVH {
+    FunctionHandle(Function *Fn, CFLAndersAAResult *Result)
+        : CallbackVH(Fn), Result(Result) {
+      assert(Fn != nullptr);
+      assert(Result != nullptr);
+    }
+
+    void deleted() override { removeSelfFromCache(); }
+    void allUsesReplacedWith(Value *) override { removeSelfFromCache(); }
+
+  private:
+    CFLAndersAAResult *Result;
+
+    void removeSelfFromCache() {
+      assert(Result != nullptr);
+      auto *Val = getValPtr();
+      Result->evict(*cast<Function>(Val));
+      setValPtr(nullptr);
+    }
+  };
+
+  /// \brief Ensures that the given function is available in the cache.
+  /// Returns the appropriate entry from the cache.
+  const Optional<FunctionInfo> &ensureCached(const Function &);
+
+  /// \brief Inserts the given Function into the cache.
+  void scan(const Function &);
+
+  /// \brief Build summary for a given function
+  FunctionInfo buildInfoFrom(const Function &);
+
+  const TargetLibraryInfo &TLI;
+
+  /// \brief Cached mapping of Functions to their StratifiedSets.
+  /// If a function's sets are currently being built, it is marked
+  /// in the cache as an Optional without a value. This way, if we
+  /// have any kind of recursion, it is discernable from a function
+  /// that simply has empty sets.
+  DenseMap<const Function *, Optional<FunctionInfo>> Cache;
+
+  std::forward_list<FunctionHandle> Handles;
+};
+
+/// Analysis pass providing a never-invalidated alias analysis result.
+///
+/// FIXME: We really should refactor CFL to use the analysis more heavily, and
+/// in particular to leverage invalidation to trigger re-computation.
+class CFLAndersAA : public AnalysisInfoMixin<CFLAndersAA> {
+  friend AnalysisInfoMixin<CFLAndersAA>;
+  static char PassID;
+
+public:
+  typedef CFLAndersAAResult Result;
+
+  CFLAndersAAResult run(Function &F, AnalysisManager<Function> &AM);
+};
+
+/// Legacy wrapper pass to provide the CFLAndersAAResult object.
+class CFLAndersAAWrapperPass : public ImmutablePass {
+  std::unique_ptr<CFLAndersAAResult> Result;
+
+public:
+  static char ID;
+
+  CFLAndersAAWrapperPass();
+
+  CFLAndersAAResult &getResult() { return *Result; }
+  const CFLAndersAAResult &getResult() const { return *Result; }
+
+  void initializePass() override;
+  void getAnalysisUsage(AnalysisUsage &AU) const override;
+};
+
+//===--------------------------------------------------------------------===//
+//
+// createCFLAndersAAWrapperPass - This pass implements a set-based approach to
+// alias analysis.
+//
+ImmutablePass *createCFLAndersAAWrapperPass();
+}
+
+#endif