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src/hotspot/share/opto/valuetypenode.hpp
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@@ -30,29 +30,30 @@
class GraphKit;
class ValueTypeBaseNode : public TypeNode {
protected:
- ValueTypeBaseNode(const Type* t, int nb_fields, Compile* C)
+ ValueTypeBaseNode(const Type* t, int nb_fields)
: TypeNode(t, nb_fields) {
init_class_id(Class_ValueTypeBase);
- C->add_value_type(this);
+ Compile::current()->add_value_type(this);
}
enum { Control, // Control input
Oop, // Oop of TypeValueTypePtr
Values // Nodes corresponding to values of the value type's fields.
- // Nodes are connected in increasing order of the index of the field
- // they correspond to. Field indeces are defined in ciValueKlass::_field_index_map.
+ // Nodes are connected in increasing order of the index of the field they correspond to.
};
virtual const TypeValueTypePtr* value_type_ptr() const = 0;
// Get the klass defining the field layout of the value type
virtual ciValueKlass* value_klass() const = 0;
+
int make_scalar_in_safepoint(Unique_Node_List& worklist, SafePointNode* sfpt, Node* root, PhaseGVN* gvn);
- static void make(PhaseGVN* gvn, Node*& ctl, Node* mem, Node* n, ValueTypeBaseNode* vt, ciValueKlass* base_vk, int base_offset, int base_input, bool in);
+ // Initialize the value type fields with the inputs or outputs of a MultiNode
+ void initialize(PhaseGVN* gvn, Node*& ctl, Node* mem, MultiNode* multi, ciValueKlass* vk, int base_offset = 0, int base_input = TypeFunc::Parms+1, bool in = false);
public:
// Support for control flow merges
bool has_phi_inputs(Node* region);
ValueTypeBaseNode* clone_with_phis(PhaseGVN* gvn, Node* region);
@@ -76,52 +77,51 @@
// Store the value type as a flattened (headerless) representation
void store_flattened(GraphKit* kit, Node* base, Node* ptr, ciInstanceKlass* holder = NULL, int holder_offset = 0) const;
// Store the field values to memory
void store(GraphKit* kit, Node* base, Node* ptr, ciInstanceKlass* holder, int holder_offset = 0) const;
-
// Initialize the value type by loading its field values from memory
void load(PhaseGVN& gvn, Node*& ctl, Node* mem, Node* base, Node* ptr, ciInstanceKlass* holder, int holder_offset = 0);
- // Allocates the value type (if not yet allocated) and returns the oop
+ // Allocates the value type (if not yet allocated)
ValueTypeBaseNode* allocate(GraphKit* kit);
bool is_allocated(PhaseGVN* phase) const;
void replace_call_results(GraphKit* kit, Node* call, Compile* C);
};
//------------------------------ValueTypeNode-------------------------------------
// Node representing a value type in C2 IR
class ValueTypeNode : public ValueTypeBaseNode {
friend class ValueTypeBaseNode;
+ friend class ValueTypePtrNode;
private:
- ValueTypeNode(const TypeValueType* t, Node* oop, Compile* C)
- : ValueTypeBaseNode(t, Values + t->value_klass()->nof_declared_nonstatic_fields(), C) {
+ ValueTypeNode(const TypeValueType* t, Node* oop)
+ : ValueTypeBaseNode(t, Values + t->value_klass()->nof_declared_nonstatic_fields()) {
init_class_id(Class_ValueType);
init_req(Oop, oop);
}
// Checks if the value type is loaded from memory and if so returns the oop
- Node* is_loaded(PhaseGVN* phase, const TypeValueType* t, Node* base = NULL, int holder_offset = 0);
+ Node* is_loaded(PhaseGVN* phase, ciValueKlass* vk = NULL, Node* base = NULL, int holder_offset = 0);
- const TypeValueTypePtr* value_type_ptr() const { return TypeValueTypePtr::make(bottom_type()->isa_valuetype()); }
- // Get the klass defining the field layout of the value type
+ const TypeValueTypePtr* value_type_ptr() const { return TypeValueTypePtr::make(TypePtr::BotPTR, value_klass()); }
ciValueKlass* value_klass() const { return type()->is_valuetype()->value_klass(); }
public:
- // Create a new ValueTypeNode with uninitialized values
- static ValueTypeNode* make(PhaseGVN& gvn, ciValueKlass* klass);
- // Create a new ValueTypeNode with default values
- static Node* make_default(PhaseGVN& gvn, ciValueKlass* vk);
- // Create a new ValueTypeNode and load its values from an oop
- static Node* make(GraphKit* kit, Node* oop, bool null_check = false);
- static Node* make(PhaseGVN& gvn, Node*& ctl, Node* mem, Node* oop, bool null_check = false);
- // Create a new ValueTypeNode and load its values from a flattened value type field or array
- static Node* make(GraphKit* kit, ciValueKlass* vk, Node* obj, Node* ptr, ciInstanceKlass* holder = NULL, int holder_offset = 0);
- static Node* make(PhaseGVN& gvn, ciValueKlass* vk, Node*& ctl, Node* mem, Node* obj, Node* ptr, ciInstanceKlass* holder = NULL, int holder_offset = 0);
- // Create value type node from arguments at method entry and calls
- static Node* make(PhaseGVN& gvn, Node*& ctl, Node* mem, Node* n, ciValueKlass* vk, int base_input, bool in);
+ // Create uninitialized
+ static ValueTypeNode* make_uninitialized(PhaseGVN& gvn, ciValueKlass* klass);
+ // Create with default field values
+ static ValueTypeNode* make_default(PhaseGVN& gvn, ciValueKlass* vk);
+ // Create and initialize by loading the field values from an oop
+ static ValueTypeNode* make_from_oop(GraphKit* kit, Node* oop, bool null_check = false);
+ static ValueTypeNode* make_from_oop(PhaseGVN& gvn, Node*& ctl, Node* mem, Node* oop, bool null_check = false);
+ // Create and initialize by loading the field values from a flattened field or array
+ static ValueTypeNode* make_from_flattened(GraphKit* kit, ciValueKlass* vk, Node* obj, Node* ptr, ciInstanceKlass* holder = NULL, int holder_offset = 0);
+ static ValueTypeNode* make_from_flattened(PhaseGVN& gvn, ciValueKlass* vk, Node*& ctl, Node* mem, Node* obj, Node* ptr, ciInstanceKlass* holder = NULL, int holder_offset = 0);
+ // Create and initialize with the inputs or outputs of a MultiNode (method entry or call)
+ static ValueTypeNode* make_from_multi(PhaseGVN& gvn, Node*& ctl, Node* mem, MultiNode* multi, ciValueKlass* vk, int base_input, bool in);
// Allocate all non-flattened value type fields
Node* allocate_fields(GraphKit* kit);
Node* tagged_klass(PhaseGVN& gvn);
@@ -131,40 +131,32 @@
// Allocation optimizations
void remove_redundant_allocations(PhaseIterGVN* igvn, PhaseIdealLoop* phase);
virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
virtual int Opcode() const;
-
-#ifndef PRODUCT
- virtual void dump_spec(outputStream* st) const;
-#endif
};
//------------------------------ValueTypePtrNode-------------------------------------
// Node representing a value type as a pointer in C2 IR
class ValueTypePtrNode : public ValueTypeBaseNode {
private:
- ciValueKlass* value_klass() const { return type()->is_valuetypeptr()->value_type()->value_klass(); }
- const TypeValueTypePtr* value_type_ptr() const { return bottom_type()->isa_valuetypeptr(); }
+ const TypeValueTypePtr* value_type_ptr() const { return type()->isa_valuetypeptr(); }
+ ciValueKlass* value_klass() const { return value_type_ptr()->value_klass(); }
- ValueTypePtrNode(ciValueKlass* vk, Node* oop, Compile* C)
- : ValueTypeBaseNode(TypeValueTypePtr::make(TypePtr::NotNull, vk), Values + vk->nof_declared_nonstatic_fields(), C) {
+ ValueTypePtrNode(ciValueKlass* vk, Node* oop)
+ : ValueTypeBaseNode(TypeValueTypePtr::make(TypePtr::NotNull, vk), Values + vk->nof_declared_nonstatic_fields()) {
init_class_id(Class_ValueTypePtr);
init_req(Oop, oop);
}
-public:
- ValueTypePtrNode(ValueTypeNode* vt, Node* oop, Compile* C)
- : ValueTypeBaseNode(TypeValueTypePtr::make(vt->type()->is_valuetype())->cast_to_ptr_type(TypePtr::NotNull), vt->req(), C) {
- init_class_id(Class_ValueTypePtr);
- for (uint i = Oop+1; i < vt->req(); i++) {
- init_req(i, vt->in(i));
- }
- init_req(Oop, oop);
- }
+public:
+ // Create and initialize with the values of a ValueTypeNode
+ static ValueTypePtrNode* make_from_value_type(PhaseGVN& gvn, ValueTypeNode* vt);
+ // Create and initialize with the result values of a call
+ static ValueTypePtrNode* make_from_call(GraphKit* kit, ciValueKlass* vk, CallNode* call);
+ // Create and initialize by loading the field values from an oop
+ static ValueTypePtrNode* make_from_oop(PhaseGVN& gvn, Node*& ctl, Node* mem, Node* oop);
- static ValueTypePtrNode* make(GraphKit* kit, ciValueKlass* vk, CallNode* call);
- static ValueTypePtrNode* make(PhaseGVN& gvn, Node*& ctl, Node* mem, Node* oop);
virtual int Opcode() const;
};
#endif // SHARE_VM_OPTO_VALUETYPENODE_HPP
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