80 class Unique_Node_List;
81 class nmethod;
82 class WarmCallInfo;
83 class Node_Stack;
84 struct Final_Reshape_Counts;
85
86 //------------------------------Compile----------------------------------------
87 // This class defines a top-level Compiler invocation.
88
89 class Compile : public Phase {
90 friend class VMStructs;
91
92 public:
93 // Fixed alias indexes. (See also MergeMemNode.)
94 enum {
95 AliasIdxTop = 1, // pseudo-index, aliases to nothing (used as sentinel value)
96 AliasIdxBot = 2, // pseudo-index, aliases to everything
97 AliasIdxRaw = 3 // hard-wired index for TypeRawPtr::BOTTOM
98 };
99
100 // Variant of TraceTime(NULL, &_t_accumulator, TimeCompiler);
101 // Integrated with logging. If logging is turned on, and dolog is true,
102 // then brackets are put into the log, with time stamps and node counts.
103 // (The time collection itself is always conditionalized on TimeCompiler.)
104 class TracePhase : public TraceTime {
105 private:
106 Compile* C;
107 CompileLog* _log;
108 const char* _phase_name;
109 bool _dolog;
110 public:
111 TracePhase(const char* name, elapsedTimer* accumulator, bool dolog);
112 ~TracePhase();
113 };
114
115 // Information per category of alias (memory slice)
116 class AliasType {
117 private:
118 friend class Compile;
119
120 int _index; // unique index, used with MergeMemNode
121 const TypePtr* _adr_type; // normalized address type
122 ciField* _field; // relevant instance field, or null if none
123 const Type* _element; // relevant array element type, or null if none
124 bool _is_rewritable; // false if the memory is write-once only
125 int _general_index; // if this is type is an instance, the general
126 // type that this is an instance of
127
128 void Init(int i, const TypePtr* at);
129
130 public:
131 int index() const { return _index; }
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80 class Unique_Node_List;
81 class nmethod;
82 class WarmCallInfo;
83 class Node_Stack;
84 struct Final_Reshape_Counts;
85
86 //------------------------------Compile----------------------------------------
87 // This class defines a top-level Compiler invocation.
88
89 class Compile : public Phase {
90 friend class VMStructs;
91
92 public:
93 // Fixed alias indexes. (See also MergeMemNode.)
94 enum {
95 AliasIdxTop = 1, // pseudo-index, aliases to nothing (used as sentinel value)
96 AliasIdxBot = 2, // pseudo-index, aliases to everything
97 AliasIdxRaw = 3 // hard-wired index for TypeRawPtr::BOTTOM
98 };
99
100 // Variant of TraceTime(NULL, &_t_accumulator, CITime);
101 // Integrated with logging. If logging is turned on, and CITimeVerbose is true,
102 // then brackets are put into the log, with time stamps and node counts.
103 // (The time collection itself is always conditionalized on CITime.)
104 class TracePhase : public TraceTime {
105 private:
106 Compile* C;
107 CompileLog* _log;
108 const char* _phase_name;
109 bool _dolog;
110 public:
111 TracePhase(const char* name, elapsedTimer* accumulator);
112 ~TracePhase();
113 };
114
115 // Information per category of alias (memory slice)
116 class AliasType {
117 private:
118 friend class Compile;
119
120 int _index; // unique index, used with MergeMemNode
121 const TypePtr* _adr_type; // normalized address type
122 ciField* _field; // relevant instance field, or null if none
123 const Type* _element; // relevant array element type, or null if none
124 bool _is_rewritable; // false if the memory is write-once only
125 int _general_index; // if this is type is an instance, the general
126 // type that this is an instance of
127
128 void Init(int i, const TypePtr* at);
129
130 public:
131 int index() const { return _index; }
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