< prev index next > src/hotspot/share/c1/c1_IR.hpp
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// graph
XHandlers* _xhandlers; // the exception handlers
int _number_of_locks; // the number of monitor lock slots needed
bool _monitor_pairing_ok; // the monitor pairing info
! bool _wrote_final; // has written final field
bool _wrote_fields; // has written fields
bool _wrote_volatile; // has written volatile field
bool _wrote_stable; // has written @Stable field
BlockBegin* _start; // the start block, successsors are method entries
// graph
XHandlers* _xhandlers; // the exception handlers
int _number_of_locks; // the number of monitor lock slots needed
bool _monitor_pairing_ok; // the monitor pairing info
! bool _wrote_non_strict_final; // has written non-strict final field
bool _wrote_fields; // has written fields
bool _wrote_volatile; // has written volatile field
bool _wrote_stable; // has written @Stable field
BlockBegin* _start; // the start block, successsors are method entries
XHandlers* xhandlers() const { return _xhandlers; }
int number_of_locks() const { return _number_of_locks; }
void set_min_number_of_locks(int n) { if (n > _number_of_locks) _number_of_locks = n; }
bool monitor_pairing_ok() const { return _monitor_pairing_ok; }
BlockBegin* start() const { return _start; }
! void set_wrote_final() { _wrote_final = true; }
! bool wrote_final () const { return _wrote_final; }
void set_wrote_fields() { _wrote_fields = true; }
bool wrote_fields () const { return _wrote_fields; }
void set_wrote_volatile() { _wrote_volatile = true; }
bool wrote_volatile () const { return _wrote_volatile; }
void set_wrote_stable() { _wrote_stable = true; }
XHandlers* xhandlers() const { return _xhandlers; }
int number_of_locks() const { return _number_of_locks; }
void set_min_number_of_locks(int n) { if (n > _number_of_locks) _number_of_locks = n; }
bool monitor_pairing_ok() const { return _monitor_pairing_ok; }
BlockBegin* start() const { return _start; }
! void set_wrote_non_strict_final() { _wrote_non_strict_final = true; }
! bool wrote_non_strict_final() const { return _wrote_non_strict_final; }
void set_wrote_fields() { _wrote_fields = true; }
bool wrote_fields () const { return _wrote_fields; }
void set_wrote_volatile() { _wrote_volatile = true; }
bool wrote_volatile () const { return _wrote_volatile; }
void set_wrote_stable() { _wrote_stable = true; }
int _bci;
GrowableArray<ScopeValue*>* _locals;
GrowableArray<ScopeValue*>* _expressions;
GrowableArray<MonitorValue*>* _monitors;
IRScopeDebugInfo* _caller;
public:
IRScopeDebugInfo(IRScope* scope,
int bci,
GrowableArray<ScopeValue*>* locals,
GrowableArray<ScopeValue*>* expressions,
GrowableArray<MonitorValue*>* monitors,
! IRScopeDebugInfo* caller):
_scope(scope)
, _bci(bci)
, _locals(locals)
, _expressions(expressions)
, _monitors(monitors)
! , _caller(caller) {}
IRScope* scope() { return _scope; }
int bci() { return _bci; }
GrowableArray<ScopeValue*>* locals() { return _locals; }
int _bci;
GrowableArray<ScopeValue*>* _locals;
GrowableArray<ScopeValue*>* _expressions;
GrowableArray<MonitorValue*>* _monitors;
IRScopeDebugInfo* _caller;
+ bool _should_reexecute;
public:
IRScopeDebugInfo(IRScope* scope,
int bci,
GrowableArray<ScopeValue*>* locals,
GrowableArray<ScopeValue*>* expressions,
GrowableArray<MonitorValue*>* monitors,
! IRScopeDebugInfo* caller,
+ bool should_reexecute):
_scope(scope)
, _bci(bci)
, _locals(locals)
, _expressions(expressions)
, _monitors(monitors)
! , _caller(caller)
+ , _should_reexecute(should_reexecute) {}
IRScope* scope() { return _scope; }
int bci() { return _bci; }
GrowableArray<ScopeValue*>* locals() { return _locals; }
IRScopeDebugInfo* caller() { return _caller; }
//Whether we should reexecute this bytecode for deopt
bool should_reexecute();
! void record_debug_info(DebugInformationRecorder* recorder, int pc_offset, bool reexecute) {
if (caller() != nullptr) {
// Order is significant: Must record caller first.
caller()->record_debug_info(recorder, pc_offset, false/*reexecute*/);
}
DebugToken* locvals = recorder->create_scope_values(locals());
DebugToken* expvals = recorder->create_scope_values(expressions());
DebugToken* monvals = recorder->create_monitor_values(monitors());
// reexecute allowed only for the topmost frame
! bool return_oop = false; // This flag will be ignored since it used only for C2 with escape analysis.
bool rethrow_exception = false;
bool has_ea_local_in_scope = false;
bool arg_escape = false;
recorder->describe_scope(pc_offset, methodHandle(), scope()->method(), bci(),
! reexecute, rethrow_exception, return_oop,
has_ea_local_in_scope, arg_escape, locvals, expvals, monvals);
}
};
IRScopeDebugInfo* caller() { return _caller; }
//Whether we should reexecute this bytecode for deopt
bool should_reexecute();
! void record_debug_info(DebugInformationRecorder* recorder, int pc_offset, bool reexecute, bool maybe_return_as_fields = false) {
if (caller() != nullptr) {
// Order is significant: Must record caller first.
caller()->record_debug_info(recorder, pc_offset, false/*reexecute*/);
}
DebugToken* locvals = recorder->create_scope_values(locals());
DebugToken* expvals = recorder->create_scope_values(expressions());
DebugToken* monvals = recorder->create_monitor_values(monitors());
// reexecute allowed only for the topmost frame
! bool return_oop = false;
+ bool return_scalarized = false;
+ if (maybe_return_as_fields) {
+ return_oop = true;
+ return_scalarized = true;
+ }
bool rethrow_exception = false;
bool has_ea_local_in_scope = false;
bool arg_escape = false;
recorder->describe_scope(pc_offset, methodHandle(), scope()->method(), bci(),
! reexecute, rethrow_exception, return_oop, return_scalarized,
has_ea_local_in_scope, arg_escape, locvals, expvals, monvals);
}
};
XHandlers* exception_handlers() const { return _exception_handlers; }
ValueStack* stack() const { return _stack; }
bool deoptimize_on_exception() const { return _deoptimize_on_exception; }
void add_register_oop(LIR_Opr opr);
! void record_debug_info(DebugInformationRecorder* recorder, int pc_offset);
bool force_reexecute() const { return _force_reexecute; }
void set_force_reexecute() { _force_reexecute = true; }
int interpreter_frame_size() const;
XHandlers* exception_handlers() const { return _exception_handlers; }
ValueStack* stack() const { return _stack; }
bool deoptimize_on_exception() const { return _deoptimize_on_exception; }
void add_register_oop(LIR_Opr opr);
! void record_debug_info(DebugInformationRecorder* recorder, int pc_offset, bool maybe_return_as_fields = false);
bool force_reexecute() const { return _force_reexecute; }
void set_force_reexecute() { _force_reexecute = true; }
int interpreter_frame_size() const;
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