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diff --git a/include/llvm/Transforms/IPO/InlinerPass.h b/include/llvm/Transforms/IPO/InlinerPass.h
deleted file mode 100644
index 59e10608a9ba2..0000000000000
--- a/include/llvm/Transforms/IPO/InlinerPass.h
+++ /dev/null
@@ -1,94 +0,0 @@
-//===- InlinerPass.h - Code common to all inliners --------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines a simple policy-based bottom-up inliner.  This file
-// implements all of the boring mechanics of the bottom-up inlining, while the
-// subclass determines WHAT to inline, which is the much more interesting
-// component.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TRANSFORMS_IPO_INLINERPASS_H
-#define LLVM_TRANSFORMS_IPO_INLINERPASS_H
-
-#include "llvm/Analysis/CallGraphSCCPass.h"
-
-namespace llvm {
-class AssumptionCacheTracker;
-class CallSite;
-class DataLayout;
-class InlineCost;
-class ProfileSummaryInfo;
-template <class PtrType, unsigned SmallSize> class SmallPtrSet;
-
-/// Inliner - This class contains all of the helper code which is used to
-/// perform the inlining operations that do not depend on the policy.
-///
-struct Inliner : public CallGraphSCCPass {
-  explicit Inliner(char &ID);
-  explicit Inliner(char &ID, bool InsertLifetime);
-
-  /// getAnalysisUsage - For this class, we declare that we require and preserve
-  /// the call graph.  If the derived class implements this method, it should
-  /// always explicitly call the implementation here.
-  void getAnalysisUsage(AnalysisUsage &Info) const override;
-
-  // Main run interface method, this implements the interface required by the
-  // Pass class.
-  bool runOnSCC(CallGraphSCC &SCC) override;
-
-  using llvm::Pass::doFinalization;
-  // doFinalization - Remove now-dead linkonce functions at the end of
-  // processing to avoid breaking the SCC traversal.
-  bool doFinalization(CallGraph &CG) override;
-
-  /// getInlineCost - This method must be implemented by the subclass to
-  /// determine the cost of inlining the specified call site.  If the cost
-  /// returned is greater than the current inline threshold, the call site is
-  /// not inlined.
-  ///
-  virtual InlineCost getInlineCost(CallSite CS) = 0;
-
-  /// removeDeadFunctions - Remove dead functions.
-  ///
-  /// This also includes a hack in the form of the 'AlwaysInlineOnly' flag
-  /// which restricts it to deleting functions with an 'AlwaysInline'
-  /// attribute. This is useful for the InlineAlways pass that only wants to
-  /// deal with that subset of the functions.
-  bool removeDeadFunctions(CallGraph &CG, bool AlwaysInlineOnly = false);
-
-  /// This function performs the main work of the pass.  The default
-  /// of Inlinter::runOnSCC() calls skipSCC() before calling this method, but
-  /// derived classes which cannot be skipped can override that method and
-  /// call this function unconditionally.
-  bool inlineCalls(CallGraphSCC &SCC);
-
-private:
-  // InsertLifetime - Insert @llvm.lifetime intrinsics.
-  bool InsertLifetime;
-
-  /// shouldInline - Return true if the inliner should attempt to
-  /// inline at the given CallSite.
-  bool shouldInline(CallSite CS);
-  /// Return true if inlining of CS can block the caller from being
-  /// inlined which is proved to be more beneficial. \p IC is the
-  /// estimated inline cost associated with callsite \p CS.
-  /// \p TotalAltCost will be set to the estimated cost of inlining the caller
-  /// if \p CS is suppressed for inlining.
-  bool shouldBeDeferred(Function *Caller, CallSite CS, InlineCost IC,
-                        int &TotalAltCost);
-
-protected:
-  AssumptionCacheTracker *ACT;
-  ProfileSummaryInfo *PSI;
-};
-
-} // End llvm namespace
-
-#endif