src/share/vm/ci/ciMethod.hpp - platform/external/jetbrains/jdk8u_hotspot - Git at Google

 /*
  * Copyright (c) 1999, 2016, 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_VM_CI_CIMETHOD_HPP
 #define SHARE_VM_CI_CIMETHOD_HPP

 #include "ci/ciFlags.hpp"
 #include "ci/ciInstanceKlass.hpp"
 #include "ci/ciObject.hpp"
 #include "ci/ciSignature.hpp"
 #include "compiler/methodLiveness.hpp"
 #include "prims/methodHandles.hpp"
 #include "utilities/bitMap.hpp"

 class ciMethodBlocks;
 class MethodLiveness;
 class BitMap;
 class Arena;
 class BCEscapeAnalyzer;


 // ciMethod
 //
 // This class represents a Method* in the HotSpot virtual
 // machine.
 class ciMethod : public ciMetadata {
   friend class CompileBroker;
   CI_PACKAGE_ACCESS
   friend class ciEnv;
   friend class ciExceptionHandlerStream;
   friend class ciBytecodeStream;
   friend class ciMethodHandle;
   friend class ciReplay;

  private:
   // General method information.
   ciFlags          _flags;
   ciSymbol*        _name;
   ciInstanceKlass* _holder;
   ciSignature*     _signature;
   ciMethodData*    _method_data;
   ciMethodBlocks*   _method_blocks;

   // Code attributes.
   int _code_size;
   int _max_stack;
   int _max_locals;
   vmIntrinsics::ID _intrinsic_id;
   int _handler_count;
   int _interpreter_invocation_count;
   int _interpreter_throwout_count;
   int _instructions_size;
   int _size_of_parameters;

   bool _uses_monitors;
   bool _balanced_monitors;
   bool _is_c1_compilable;
   bool _is_c2_compilable;
   bool _can_be_statically_bound;

   // Lazy fields, filled in on demand
   address              _code;
   ciExceptionHandler** _exception_handlers;

   // Optional liveness analyzer.
   MethodLiveness* _liveness;
 #if defined(COMPILER2) || defined(SHARK)
   ciTypeFlow*         _flow;
   BCEscapeAnalyzer*   _bcea;
 #endif

   ciMethod(methodHandle h_m, ciInstanceKlass* holder);
   ciMethod(ciInstanceKlass* holder, ciSymbol* name, ciSymbol* signature, ciInstanceKlass* accessor);

   Method* get_Method() const {
     Method* m = (Method*)_metadata;
     assert(m != NULL, "illegal use of unloaded method");
     return m;
   }

   oop loader() const                             { return _holder->loader(); }

   const char* type_string()                      { return "ciMethod"; }

   void print_impl(outputStream* st);

   void load_code();

   void check_is_loaded() const                   { assert(is_loaded(), "not loaded"); }

   bool ensure_method_data(methodHandle h_m);

   void code_at_put(int bci, Bytecodes::Code code) {
     Bytecodes::check(code);
     assert(0 <= bci && bci < code_size(), "valid bci");
     address bcp = _code + bci;
     *bcp = code;
   }

   // Check bytecode and profile data collected are compatible
   void assert_virtual_call_type_ok(int bci);
   void assert_call_type_ok(int bci);

  public:
   // Basic method information.
   ciFlags flags() const                          { check_is_loaded(); return _flags; }
   ciSymbol* name() const                         { return _name; }
   ciInstanceKlass* holder() const                { return _holder; }
   ciMethodData* method_data();
   ciMethodData* method_data_or_null();

   // Signature information.
   ciSignature* signature() const                 { return _signature; }
   ciType*      return_type() const               { return _signature->return_type(); }
   int          arg_size_no_receiver() const      { return _signature->size(); }
   // Can only be used on loaded ciMethods
   int          arg_size() const                  {
     check_is_loaded();
     return _signature->size() + (_flags.is_static() ? 0 : 1);
   }
   // Report the number of elements on stack when invoking this method.
   // This is different than the regular arg_size because invokedynamic
   // has an implicit receiver.
   int invoke_arg_size(Bytecodes::Code code) const {
     if (is_loaded()) {
       return arg_size();
     } else {
       int arg_size = _signature->size();
       // Add a receiver argument, maybe:
       if (code != Bytecodes::_invokestatic &&
           code != Bytecodes::_invokedynamic) {
         arg_size++;
       }
       return arg_size;
     }
   }


   // Method code and related information.
   address code()                                 { if (_code == NULL) load_code(); return _code; }
   int code_size() const                          { check_is_loaded(); return _code_size; }
   int max_stack() const                          { check_is_loaded(); return _max_stack; }
   int max_locals() const                         { check_is_loaded(); return _max_locals; }
   vmIntrinsics::ID intrinsic_id() const          { check_is_loaded(); return _intrinsic_id; }
   bool has_exception_handlers() const            { check_is_loaded(); return _handler_count > 0; }
   int exception_table_length() const             { check_is_loaded(); return _handler_count; }
   int interpreter_invocation_count() const       { check_is_loaded(); return _interpreter_invocation_count; }
   int interpreter_throwout_count() const         { check_is_loaded(); return _interpreter_throwout_count; }
   int size_of_parameters() const                 { check_is_loaded(); return _size_of_parameters; }

   // Code size for inlining decisions.
   int code_size_for_inlining();

   bool caller_sensitive()   const { return get_Method()->caller_sensitive();   }
   bool force_inline()       const { return get_Method()->force_inline();       }
   bool dont_inline()        const { return get_Method()->dont_inline();        }

   int comp_level();
   int highest_osr_comp_level();

   Bytecodes::Code java_code_at_bci(int bci) {
     address bcp = code() + bci;
     return Bytecodes::java_code_at(NULL, bcp);
   }
   Bytecodes::Code raw_code_at_bci(int bci) {
     address bcp = code() + bci;
     return Bytecodes::code_at(NULL, bcp);
   }
   BCEscapeAnalyzer  *get_bcea();
   ciMethodBlocks    *get_method_blocks();

   bool    has_linenumber_table() const;          // length unknown until decompression
   u_char* compressed_linenumber_table() const;   // not preserved by gc

   int line_number_from_bci(int bci) const;

   // Runtime information.
   int           vtable_index();
 #ifdef SHARK
   int           itable_index();
 #endif // SHARK
   address       native_entry();
   address       interpreter_entry();

   // Analysis and profiling.
   //
   // Usage note: liveness_at_bci and init_vars should be wrapped in ResourceMarks.
   bool          has_monitor_bytecodes() const    { return _uses_monitors; }
   bool          has_balanced_monitors();

   // Returns a bitmap indicating which locals are required to be
   // maintained as live for deopt.  raw_liveness_at_bci is always the
   // direct output of the liveness computation while liveness_at_bci
   // may mark all locals as live to improve support for debugging Java
   // code by maintaining the state of as many locals as possible.
   MethodLivenessResult raw_liveness_at_bci(int bci);
   MethodLivenessResult liveness_at_bci(int bci);

   // Get the interpreters viewpoint on oop liveness.  MethodLiveness is
   // conservative in the sense that it may consider locals to be live which
   // cannot be live, like in the case where a local could contain an oop or
   // a primitive along different paths.  In that case the local must be
   // dead when those paths merge. Since the interpreter's viewpoint is
   // used when gc'ing an interpreter frame we need to use its viewpoint
   // during OSR when loading the locals.

   BitMap  live_local_oops_at_bci(int bci);

 #ifdef COMPILER1
   const BitMap  bci_block_start();
 #endif

   ciTypeFlow*   get_flow_analysis();
   ciTypeFlow*   get_osr_flow_analysis(int osr_bci);  // alternate entry point
   ciCallProfile call_profile_at_bci(int bci);
   int           interpreter_call_site_count(int bci);

   // Does type profiling provide a useful type at this point?
   ciKlass*      argument_profiled_type(int bci, int i);
   ciKlass*      parameter_profiled_type(int i);
   ciKlass*      return_profiled_type(int bci);

   ciField*      get_field_at_bci( int bci, bool &will_link);
   ciMethod*     get_method_at_bci(int bci, bool &will_link, ciSignature* *declared_signature);

   ciSignature*  get_declared_signature_at_bci(int bci) {
     bool ignored_will_link;
     ciSignature* declared_signature;
     get_method_at_bci(bci, ignored_will_link, &declared_signature);
     assert(declared_signature != NULL, "cannot be null");
     return declared_signature;
   }

   ciMethod*     get_method_at_bci(int bci) {
     bool ignored_will_link;
     ciSignature* ignored_declared_signature;
     return get_method_at_bci(bci, ignored_will_link, &ignored_declared_signature);
   }

   // Given a certain calling environment, find the monomorphic target
   // for the call.  Return NULL if the call is not monomorphic in
   // its calling environment.
   ciMethod* find_monomorphic_target(ciInstanceKlass* caller,
                                     ciInstanceKlass* callee_holder,
                                     ciInstanceKlass* actual_receiver,
                                     bool check_access = true);

   // Given a known receiver klass, find the target for the call.
   // Return NULL if the call has no target or is abstract.
   ciMethod* resolve_invoke(ciKlass* caller, ciKlass* exact_receiver, bool check_access = true);

   // Find the proper vtable index to invoke this method.
   int resolve_vtable_index(ciKlass* caller, ciKlass* receiver);

   // Compilation directives
   bool should_exclude();
   bool should_inline();
   bool should_not_inline();
   bool should_print_assembly();
   bool break_at_execute();
   bool has_option(const char *option);
   template<typename T>
   bool has_option_value(const char* option, T& value);
   bool can_be_compiled();
   bool can_be_osr_compiled(int entry_bci);
   void set_not_compilable(const char* reason = NULL);
   bool has_compiled_code();
   void log_nmethod_identity(xmlStream* log);
   bool is_not_reached(int bci);
   bool was_executed_more_than(int times);
   bool has_unloaded_classes_in_signature();
   bool is_klass_loaded(int refinfo_index, bool must_be_resolved) const;
   bool check_call(int refinfo_index, bool is_static) const;
   bool ensure_method_data();  // make sure it exists in the VM also
   MethodCounters* ensure_method_counters();
   int instructions_size();
   int scale_count(int count, float prof_factor = 1.);  // make MDO count commensurate with IIC

   // Stack walking support
   bool is_ignored_by_security_stack_walk() const;

   // JSR 292 support
   bool is_method_handle_intrinsic()  const;
   bool is_compiled_lambda_form() const;
   bool has_member_arg() const;

   // What kind of ciObject is this?
   bool is_method() const                         { return true; }

   // Java access flags
   bool is_public      () const                   { return flags().is_public(); }
   bool is_private     () const                   { return flags().is_private(); }
   bool is_protected   () const                   { return flags().is_protected(); }
   bool is_static      () const                   { return flags().is_static(); }
   bool is_final       () const                   { return flags().is_final(); }
   bool is_synchronized() const                   { return flags().is_synchronized(); }
   bool is_native      () const                   { return flags().is_native(); }
   bool is_interface   () const                   { return flags().is_interface(); }
   bool is_abstract    () const                   { return flags().is_abstract(); }
   bool is_strict      () const                   { return flags().is_strict(); }

   // Other flags
   bool is_empty_method() const;
   bool is_vanilla_constructor() const;
   bool is_final_method() const                   { return is_final() || holder()->is_final(); }
   bool has_loops      () const;
   bool has_jsrs       () const;
   bool is_accessor    () const;
   bool is_initializer () const;
   bool can_be_statically_bound() const           { return _can_be_statically_bound; }
   bool is_boxing_method() const;
   bool is_unboxing_method() const;
   bool is_object_initializer() const;

   // Replay data methods
   void dump_name_as_ascii(outputStream* st);
   void dump_replay_data(outputStream* st);

   // Print the bytecodes of this method.
   void print_codes_on(outputStream* st);
   void print_codes() {
     print_codes_on(tty);
   }
   void print_codes_on(int from, int to, outputStream* st);

   // Print the name of this method in various incarnations.
   void print_name(outputStream* st = tty);
   void print_short_name(outputStream* st = tty);
 };

 #endif // SHARE_VM_CI_CIMETHOD_HPP
	/*
	* Copyright (c) 1999, 2016, 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_VM_CI_CIMETHOD_HPP
	#define SHARE_VM_CI_CIMETHOD_HPP

	#include "ci/ciFlags.hpp"
	#include "ci/ciInstanceKlass.hpp"
	#include "ci/ciObject.hpp"
	#include "ci/ciSignature.hpp"
	#include "compiler/methodLiveness.hpp"
	#include "prims/methodHandles.hpp"
	#include "utilities/bitMap.hpp"

	class ciMethodBlocks;
	class MethodLiveness;
	class BitMap;
	class Arena;
	class BCEscapeAnalyzer;


	// ciMethod
	//
	// This class represents a Method* in the HotSpot virtual
	// machine.
	class ciMethod : public ciMetadata {
	friend class CompileBroker;
	CI_PACKAGE_ACCESS
	friend class ciEnv;
	friend class ciExceptionHandlerStream;
	friend class ciBytecodeStream;
	friend class ciMethodHandle;
	friend class ciReplay;

	private:
	// General method information.
	ciFlags _flags;
	ciSymbol* _name;
	ciInstanceKlass* _holder;
	ciSignature* _signature;
	ciMethodData* _method_data;
	ciMethodBlocks* _method_blocks;

	// Code attributes.
	int _code_size;
	int _max_stack;
	int _max_locals;
	vmIntrinsics::ID _intrinsic_id;
	int _handler_count;
	int _interpreter_invocation_count;
	int _interpreter_throwout_count;
	int _instructions_size;
	int _size_of_parameters;

	bool _uses_monitors;
	bool _balanced_monitors;
	bool _is_c1_compilable;
	bool _is_c2_compilable;
	bool _can_be_statically_bound;

	// Lazy fields, filled in on demand
	address _code;
	ciExceptionHandler** _exception_handlers;

	// Optional liveness analyzer.
	MethodLiveness* _liveness;
	#if defined(COMPILER2) \|\| defined(SHARK)
	ciTypeFlow* _flow;
	BCEscapeAnalyzer* _bcea;
	#endif

	ciMethod(methodHandle h_m, ciInstanceKlass* holder);
	ciMethod(ciInstanceKlass* holder, ciSymbol* name, ciSymbol* signature, ciInstanceKlass* accessor);

	Method* get_Method() const {
	Method* m = (Method*)_metadata;
	assert(m != NULL, "illegal use of unloaded method");
	return m;
	}

	oop loader() const { return _holder->loader(); }

	const char* type_string() { return "ciMethod"; }

	void print_impl(outputStream* st);

	void load_code();

	void check_is_loaded() const { assert(is_loaded(), "not loaded"); }

	bool ensure_method_data(methodHandle h_m);

	void code_at_put(int bci, Bytecodes::Code code) {
	Bytecodes::check(code);
	assert(0 <= bci && bci < code_size(), "valid bci");
	address bcp = _code + bci;
	*bcp = code;
	}

	// Check bytecode and profile data collected are compatible
	void assert_virtual_call_type_ok(int bci);
	void assert_call_type_ok(int bci);

	public:
	// Basic method information.
	ciFlags flags() const { check_is_loaded(); return _flags; }
	ciSymbol* name() const { return _name; }
	ciInstanceKlass* holder() const { return _holder; }
	ciMethodData* method_data();
	ciMethodData* method_data_or_null();

	// Signature information.
	ciSignature* signature() const { return _signature; }
	ciType* return_type() const { return _signature->return_type(); }
	int arg_size_no_receiver() const { return _signature->size(); }
	// Can only be used on loaded ciMethods
	int arg_size() const {
	check_is_loaded();
	return _signature->size() + (_flags.is_static() ? 0 : 1);
	}
	// Report the number of elements on stack when invoking this method.
	// This is different than the regular arg_size because invokedynamic
	// has an implicit receiver.
	int invoke_arg_size(Bytecodes::Code code) const {
	if (is_loaded()) {
	return arg_size();
	} else {
	int arg_size = _signature->size();
	// Add a receiver argument, maybe:
	if (code != Bytecodes::_invokestatic &&
	code != Bytecodes::_invokedynamic) {
	arg_size++;
	}
	return arg_size;
	}
	}


	// Method code and related information.
	address code() { if (_code == NULL) load_code(); return _code; }
	int code_size() const { check_is_loaded(); return _code_size; }
	int max_stack() const { check_is_loaded(); return _max_stack; }
	int max_locals() const { check_is_loaded(); return _max_locals; }
	vmIntrinsics::ID intrinsic_id() const { check_is_loaded(); return _intrinsic_id; }
	bool has_exception_handlers() const { check_is_loaded(); return _handler_count > 0; }
	int exception_table_length() const { check_is_loaded(); return _handler_count; }
	int interpreter_invocation_count() const { check_is_loaded(); return _interpreter_invocation_count; }
	int interpreter_throwout_count() const { check_is_loaded(); return _interpreter_throwout_count; }
	int size_of_parameters() const { check_is_loaded(); return _size_of_parameters; }

	// Code size for inlining decisions.
	int code_size_for_inlining();

	bool caller_sensitive() const { return get_Method()->caller_sensitive(); }
	bool force_inline() const { return get_Method()->force_inline(); }
	bool dont_inline() const { return get_Method()->dont_inline(); }

	int comp_level();
	int highest_osr_comp_level();

	Bytecodes::Code java_code_at_bci(int bci) {
	address bcp = code() + bci;
	return Bytecodes::java_code_at(NULL, bcp);
	}
	Bytecodes::Code raw_code_at_bci(int bci) {
	address bcp = code() + bci;
	return Bytecodes::code_at(NULL, bcp);
	}
	BCEscapeAnalyzer *get_bcea();
	ciMethodBlocks *get_method_blocks();

	bool has_linenumber_table() const; // length unknown until decompression
	u_char* compressed_linenumber_table() const; // not preserved by gc

	int line_number_from_bci(int bci) const;

	// Runtime information.
	int vtable_index();
	#ifdef SHARK
	int itable_index();
	#endif // SHARK
	address native_entry();
	address interpreter_entry();

	// Analysis and profiling.
	//
	// Usage note: liveness_at_bci and init_vars should be wrapped in ResourceMarks.
	bool has_monitor_bytecodes() const { return _uses_monitors; }
	bool has_balanced_monitors();

	// Returns a bitmap indicating which locals are required to be
	// maintained as live for deopt. raw_liveness_at_bci is always the
	// direct output of the liveness computation while liveness_at_bci
	// may mark all locals as live to improve support for debugging Java
	// code by maintaining the state of as many locals as possible.
	MethodLivenessResult raw_liveness_at_bci(int bci);
	MethodLivenessResult liveness_at_bci(int bci);

	// Get the interpreters viewpoint on oop liveness. MethodLiveness is
	// conservative in the sense that it may consider locals to be live which
	// cannot be live, like in the case where a local could contain an oop or
	// a primitive along different paths. In that case the local must be
	// dead when those paths merge. Since the interpreter's viewpoint is
	// used when gc'ing an interpreter frame we need to use its viewpoint
	// during OSR when loading the locals.

	BitMap live_local_oops_at_bci(int bci);

	#ifdef COMPILER1
	const BitMap bci_block_start();
	#endif

	ciTypeFlow* get_flow_analysis();
	ciTypeFlow* get_osr_flow_analysis(int osr_bci); // alternate entry point
	ciCallProfile call_profile_at_bci(int bci);
	int interpreter_call_site_count(int bci);

	// Does type profiling provide a useful type at this point?
	ciKlass* argument_profiled_type(int bci, int i);
	ciKlass* parameter_profiled_type(int i);
	ciKlass* return_profiled_type(int bci);

	ciField* get_field_at_bci( int bci, bool &will_link);
	ciMethod* get_method_at_bci(int bci, bool &will_link, ciSignature* *declared_signature);

	ciSignature* get_declared_signature_at_bci(int bci) {
	bool ignored_will_link;
	ciSignature* declared_signature;
	get_method_at_bci(bci, ignored_will_link, &declared_signature);
	assert(declared_signature != NULL, "cannot be null");
	return declared_signature;
	}

	ciMethod* get_method_at_bci(int bci) {
	bool ignored_will_link;
	ciSignature* ignored_declared_signature;
	return get_method_at_bci(bci, ignored_will_link, &ignored_declared_signature);
	}

	// Given a certain calling environment, find the monomorphic target
	// for the call. Return NULL if the call is not monomorphic in
	// its calling environment.
	ciMethod* find_monomorphic_target(ciInstanceKlass* caller,
	ciInstanceKlass* callee_holder,
	ciInstanceKlass* actual_receiver,
	bool check_access = true);

	// Given a known receiver klass, find the target for the call.
	// Return NULL if the call has no target or is abstract.
	ciMethod* resolve_invoke(ciKlass* caller, ciKlass* exact_receiver, bool check_access = true);

	// Find the proper vtable index to invoke this method.
	int resolve_vtable_index(ciKlass* caller, ciKlass* receiver);

	// Compilation directives
	bool should_exclude();
	bool should_inline();
	bool should_not_inline();
	bool should_print_assembly();
	bool break_at_execute();
	bool has_option(const char *option);
	template<typename T>
	bool has_option_value(const char* option, T& value);
	bool can_be_compiled();
	bool can_be_osr_compiled(int entry_bci);
	void set_not_compilable(const char* reason = NULL);
	bool has_compiled_code();
	void log_nmethod_identity(xmlStream* log);
	bool is_not_reached(int bci);
	bool was_executed_more_than(int times);
	bool has_unloaded_classes_in_signature();
	bool is_klass_loaded(int refinfo_index, bool must_be_resolved) const;
	bool check_call(int refinfo_index, bool is_static) const;
	bool ensure_method_data(); // make sure it exists in the VM also
	MethodCounters* ensure_method_counters();
	int instructions_size();
	int scale_count(int count, float prof_factor = 1.); // make MDO count commensurate with IIC

	// Stack walking support
	bool is_ignored_by_security_stack_walk() const;

	// JSR 292 support
	bool is_method_handle_intrinsic() const;
	bool is_compiled_lambda_form() const;
	bool has_member_arg() const;

	// What kind of ciObject is this?
	bool is_method() const { return true; }

	// Java access flags
	bool is_public () const { return flags().is_public(); }
	bool is_private () const { return flags().is_private(); }
	bool is_protected () const { return flags().is_protected(); }
	bool is_static () const { return flags().is_static(); }
	bool is_final () const { return flags().is_final(); }
	bool is_synchronized() const { return flags().is_synchronized(); }
	bool is_native () const { return flags().is_native(); }
	bool is_interface () const { return flags().is_interface(); }
	bool is_abstract () const { return flags().is_abstract(); }
	bool is_strict () const { return flags().is_strict(); }

	// Other flags
	bool is_empty_method() const;
	bool is_vanilla_constructor() const;
	bool is_final_method() const { return is_final() \|\| holder()->is_final(); }
	bool has_loops () const;
	bool has_jsrs () const;
	bool is_accessor () const;
	bool is_initializer () const;
	bool can_be_statically_bound() const { return _can_be_statically_bound; }
	bool is_boxing_method() const;
	bool is_unboxing_method() const;
	bool is_object_initializer() const;

	// Replay data methods
	void dump_name_as_ascii(outputStream* st);
	void dump_replay_data(outputStream* st);

	// Print the bytecodes of this method.
	void print_codes_on(outputStream* st);
	void print_codes() {
	print_codes_on(tty);
	}
	void print_codes_on(int from, int to, outputStream* st);

	// Print the name of this method in various incarnations.
	void print_name(outputStream* st = tty);
	void print_short_name(outputStream* st = tty);
	};

	#endif // SHARE_VM_CI_CIMETHOD_HPP