diff -r 496bbf554c5c -r 38176d1c5ec2 src/hotspot/share/runtime/compilationPolicy.hpp
--- a/src/hotspot/share/runtime/compilationPolicy.hpp	Wed Oct 16 01:16:12 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_RUNTIME_COMPILATIONPOLICY_HPP
-#define SHARE_RUNTIME_COMPILATIONPOLICY_HPP
-
-#include "code/nmethod.hpp"
-#include "compiler/compileBroker.hpp"
-#include "memory/allocation.hpp"
-#include "runtime/vmOperations.hpp"
-#include "utilities/growableArray.hpp"
-
-// The CompilationPolicy selects which method (if any) should be compiled.
-// It also decides which methods must always be compiled (i.e., are never
-// interpreted).
-class CompileTask;
-class CompileQueue;
-
-class CompilationPolicy : public CHeapObj<mtCompiler> {
-  static CompilationPolicy* _policy;
-
-  // m must be compiled before executing it
-  static bool must_be_compiled(const methodHandle& m, int comp_level = CompLevel_all);
-
-public:
-  // If m must_be_compiled then request a compilation from the CompileBroker.
-  // This supports the -Xcomp option.
-  static void compile_if_required(const methodHandle& m, TRAPS);
-
-  // m is allowed to be compiled
-  static bool can_be_compiled(const methodHandle& m, int comp_level = CompLevel_all);
-  // m is allowed to be osr compiled
-  static bool can_be_osr_compiled(const methodHandle& m, int comp_level = CompLevel_all);
-  static bool is_compilation_enabled();
-  static void set_policy(CompilationPolicy* policy) { _policy = policy; }
-  static CompilationPolicy* policy()                { return _policy; }
-
-  static CompileTask* select_task_helper(CompileQueue* compile_queue);
-
-  // Return initial compile level that is used with Xcomp
-  virtual CompLevel initial_compile_level() = 0;
-  virtual int compiler_count(CompLevel comp_level) = 0;
-  // main notification entry, return a pointer to an nmethod if the OSR is required,
-  // returns NULL otherwise.
-  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) = 0;
-  // safepoint() is called at the end of the safepoint
-  virtual void do_safepoint_work() = 0;
-  // reprofile request
-  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0;
-  // delay_compilation(method) can be called by any component of the runtime to notify the policy
-  // that it's recommended to delay the compilation of this method.
-  virtual void delay_compilation(Method* method) = 0;
-  // disable_compilation() is called whenever the runtime decides to disable compilation of the
-  // specified method.
-  virtual void disable_compilation(Method* method) = 0;
-  // Select task is called by CompileBroker. The queue is guaranteed to have at least one
-  // element and is locked. The function should select one and return it.
-  virtual CompileTask* select_task(CompileQueue* compile_queue) = 0;
-  // Tell the runtime if we think a given method is adequately profiled.
-  virtual bool is_mature(Method* method) = 0;
-  // Do policy initialization
-  virtual void initialize() = 0;
-  virtual bool should_not_inline(ciEnv* env, ciMethod* method) { return false; }
-};
-
-// A simple compilation policy.
-class SimpleCompPolicy : public CompilationPolicy {
-  int _compiler_count;
- private:
-  static void trace_frequency_counter_overflow(const methodHandle& m, int branch_bci, int bci);
-  static void trace_osr_request(const methodHandle& method, nmethod* osr, int bci);
-  static void trace_osr_completion(nmethod* osr_nm);
-  void reset_counter_for_invocation_event(const methodHandle& method);
-  void reset_counter_for_back_branch_event(const methodHandle& method);
-  void method_invocation_event(const methodHandle& m, JavaThread* thread);
-  void method_back_branch_event(const methodHandle& m, int bci, JavaThread* thread);
- public:
-  SimpleCompPolicy() : _compiler_count(0) { }
-  virtual CompLevel initial_compile_level() { return CompLevel_highest_tier; }
-  virtual int compiler_count(CompLevel comp_level);
-  virtual void do_safepoint_work();
-  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);
-  virtual void delay_compilation(Method* method);
-  virtual void disable_compilation(Method* method);
-  virtual bool is_mature(Method* method);
-  virtual void initialize();
-  virtual CompileTask* select_task(CompileQueue* compile_queue);
-  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread);
-};
-
-
-#endif // SHARE_RUNTIME_COMPILATIONPOLICY_HPP