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diff --git a/contrib/llvm/lib/Transforms/ObjCARC/ObjCARCAliasAnalysis.h b/contrib/llvm/lib/Transforms/ObjCARC/ObjCARCAliasAnalysis.h
deleted file mode 100644
index eecc82fe572c..000000000000
--- a/contrib/llvm/lib/Transforms/ObjCARC/ObjCARCAliasAnalysis.h
+++ /dev/null
@@ -1,74 +0,0 @@
-//===- ObjCARCAliasAnalysis.h - ObjC ARC Optimization -*- C++ -*-----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-/// \file
-/// This file declares a simple ARC-aware AliasAnalysis using special knowledge
-/// of Objective C to enhance other optimization passes which rely on the Alias
-/// Analysis infrastructure.
-///
-/// WARNING: This file knows about certain library functions. It recognizes them
-/// by name, and hardwires knowledge of their semantics.
-///
-/// WARNING: This file knows about how certain Objective-C library functions are
-/// used. Naive LLVM IR transformations which would otherwise be
-/// behavior-preserving may break these assumptions.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
-#define LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
-
-#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Pass.h"
-
-namespace llvm {
-namespace objcarc {
-
-  /// \brief This is a simple alias analysis implementation that uses knowledge
-  /// of ARC constructs to answer queries.
-  ///
-  /// TODO: This class could be generalized to know about other ObjC-specific
-  /// tricks. Such as knowing that ivars in the non-fragile ABI are non-aliasing
-  /// even though their offsets are dynamic.
-  class ObjCARCAliasAnalysis : public ImmutablePass,
-                               public AliasAnalysis {
-  public:
-    static char ID; // Class identification, replacement for typeinfo
-    ObjCARCAliasAnalysis() : ImmutablePass(ID) {
-      initializeObjCARCAliasAnalysisPass(*PassRegistry::getPassRegistry());
-    }
-
-  private:
-    bool doInitialization(Module &M) override;
-
-    /// This method is used when a pass implements an analysis interface through
-    /// multiple inheritance.  If needed, it should override this to adjust the
-    /// this pointer as needed for the specified pass info.
-    void *getAdjustedAnalysisPointer(const void *PI) override {
-      if (PI == &AliasAnalysis::ID)
-        return static_cast<AliasAnalysis *>(this);
-      return this;
-    }
-
-    void getAnalysisUsage(AnalysisUsage &AU) const override;
-    AliasResult alias(const MemoryLocation &LocA,
-                      const MemoryLocation &LocB) override;
-    bool pointsToConstantMemory(const MemoryLocation &Loc,
-                                bool OrLocal) override;
-    ModRefBehavior getModRefBehavior(ImmutableCallSite CS) override;
-    ModRefBehavior getModRefBehavior(const Function *F) override;
-    ModRefResult getModRefInfo(ImmutableCallSite CS,
-                               const MemoryLocation &Loc) override;
-    ModRefResult getModRefInfo(ImmutableCallSite CS1,
-                               ImmutableCallSite CS2) override;
-  };
-
-} // namespace objcarc
-} // namespace llvm
-
-#endif