93 bool prepare_array_copy(PhaseGVN *phase, bool can_reshape,
94 Node*& adr_src, Node*& base_src, Node*& adr_dest, Node*& base_dest,
95 BasicType& copy_type, const Type*& value_type, bool& disjoint_bases);
96 void array_copy_test_overlap(PhaseGVN *phase, bool can_reshape,
97 bool disjoint_bases, int count,
98 Node*& forward_ctl, Node*& backward_ctl);
99 Node* array_copy_forward(PhaseGVN *phase, bool can_reshape, Node*& ctl,
100 MergeMemNode* mm,
101 const TypePtr* atp_src, const TypePtr* atp_dest,
102 Node* adr_src, Node* base_src, Node* adr_dest, Node* base_dest,
103 BasicType copy_type, const Type* value_type, int count);
104 Node* array_copy_backward(PhaseGVN *phase, bool can_reshape, Node*& ctl,
105 MergeMemNode* mm,
106 const TypePtr* atp_src, const TypePtr* atp_dest,
107 Node* adr_src, Node* base_src, Node* adr_dest, Node* base_dest,
108 BasicType copy_type, const Type* value_type, int count);
109 bool finish_transform(PhaseGVN *phase, bool can_reshape,
110 Node* ctl, Node *mem);
111 static bool may_modify_helper(const TypeOopPtr *t_oop, Node* n, PhaseTransform *phase, CallNode*& call);
112
113 public:
114
115 enum {
116 Src = TypeFunc::Parms,
117 SrcPos,
118 Dest,
119 DestPos,
120 Length,
121 SrcLen,
122 DestLen,
123 SrcKlass,
124 DestKlass,
125 ParmLimit
126 };
127
128 // Results from escape analysis for non escaping inputs
129 const TypeOopPtr* _src_type;
130 const TypeOopPtr* _dest_type;
131
132 static ArrayCopyNode* make(GraphKit* kit, bool may_throw,
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93 bool prepare_array_copy(PhaseGVN *phase, bool can_reshape,
94 Node*& adr_src, Node*& base_src, Node*& adr_dest, Node*& base_dest,
95 BasicType& copy_type, const Type*& value_type, bool& disjoint_bases);
96 void array_copy_test_overlap(PhaseGVN *phase, bool can_reshape,
97 bool disjoint_bases, int count,
98 Node*& forward_ctl, Node*& backward_ctl);
99 Node* array_copy_forward(PhaseGVN *phase, bool can_reshape, Node*& ctl,
100 MergeMemNode* mm,
101 const TypePtr* atp_src, const TypePtr* atp_dest,
102 Node* adr_src, Node* base_src, Node* adr_dest, Node* base_dest,
103 BasicType copy_type, const Type* value_type, int count);
104 Node* array_copy_backward(PhaseGVN *phase, bool can_reshape, Node*& ctl,
105 MergeMemNode* mm,
106 const TypePtr* atp_src, const TypePtr* atp_dest,
107 Node* adr_src, Node* base_src, Node* adr_dest, Node* base_dest,
108 BasicType copy_type, const Type* value_type, int count);
109 bool finish_transform(PhaseGVN *phase, bool can_reshape,
110 Node* ctl, Node *mem);
111 static bool may_modify_helper(const TypeOopPtr *t_oop, Node* n, PhaseTransform *phase, CallNode*& call);
112
113 static Node* load(PhaseGVN *phase, Node*& ctl, MergeMemNode* mem, Node* addr, const TypePtr* adr_type, const Type *type, BasicType bt);
114 void store(PhaseGVN *phase, Node*& ctl, MergeMemNode* mem, Node* addr, const TypePtr* adr_type, Node* val, const Type *type, BasicType bt);
115
116 public:
117
118 enum {
119 Src = TypeFunc::Parms,
120 SrcPos,
121 Dest,
122 DestPos,
123 Length,
124 SrcLen,
125 DestLen,
126 SrcKlass,
127 DestKlass,
128 ParmLimit
129 };
130
131 // Results from escape analysis for non escaping inputs
132 const TypeOopPtr* _src_type;
133 const TypeOopPtr* _dest_type;
134
135 static ArrayCopyNode* make(GraphKit* kit, bool may_throw,
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