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Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 4 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef V8_COMPILER_NODE_H_
6 #define V8_COMPILER_NODE_H_
7
8 #include <deque>
9 #include <set>
10 #include <vector>
11
12 #include "src/compiler/generic-algorithm.h"
13 #include "src/compiler/generic-node.h"
14 #include "src/compiler/opcodes.h"
15 #include "src/compiler/operator.h"
16 #include "src/types.h"
17 #include "src/zone.h"
18 #include "src/zone-allocator.h"
19
20 namespace v8 {
21 namespace internal {
22 namespace compiler {
23
24 class NodeData {
25 public:
26 Operator* op() const { return op_; }
27 void set_op(Operator* op) { op_ = op; }
28
29 IrOpcode::Value opcode() const {
30 ASSERT(op_->opcode() <= IrOpcode::kLast);
31 return static_cast<IrOpcode::Value>(op_->opcode());
32 }
33
34 Bounds bounds() { return bounds_; }
35
36 protected:
37 Operator* op_;
38 Bounds bounds_;
39 explicit NodeData(Zone* zone) : bounds_(Bounds(Type::None(zone))) {}
40
41 friend class NodeProperties;
42 void set_bounds(Bounds b) { bounds_ = b; }
43 };
44
45 // A Node is the basic primitive of an IR graph. In addition to the members
46 // inherited from Vector, Nodes only contain a mutable Operator that may change
47 // during compilation, e.g. during lowering passes. Other information that
48 // needs to be associated with Nodes during compilation must be stored
49 // out-of-line indexed by the Node's id.
50 class Node : public GenericNode<NodeData, Node> {
51 public:
52 Node(GenericGraphBase* graph, int input_count)
53 : GenericNode<NodeData, Node>(graph, input_count) {}
54
55 void Initialize(Operator* op) { set_op(op); }
56 };
57
58 OStream& operator<<(OStream& os, const Node& n);
59
60 typedef GenericGraphVisit::NullNodeVisitor<NodeData, Node> NullNodeVisitor;
61
62 typedef zone_allocator<Node*> NodePtrZoneAllocator;
63
64 typedef std::set<Node*, std::less<Node*>, NodePtrZoneAllocator> NodeSet;
65 typedef NodeSet::iterator NodeSetIter;
66 typedef NodeSet::reverse_iterator NodeSetRIter;
67
68 typedef std::deque<Node*, NodePtrZoneAllocator> NodeDeque;
69 typedef NodeDeque::iterator NodeDequeIter;
70
71 typedef std::vector<Node*, NodePtrZoneAllocator> NodeVector;
72 typedef NodeVector::iterator NodeVectorIter;
73 typedef NodeVector::reverse_iterator NodeVectorRIter;
74
75 typedef zone_allocator<NodeVector> ZoneNodeVectorAllocator;
76 typedef std::vector<NodeVector, ZoneNodeVectorAllocator> NodeVectorVector;
77 typedef NodeVectorVector::iterator NodeVectorVectorIter;
78 typedef NodeVectorVector::reverse_iterator NodeVectorVectorRIter;
79
80 typedef Node::Uses::iterator UseIter;
81 typedef Node::Inputs::iterator InputIter;
82
83 // Helper to extract parameters from Operator1<*> nodes.
84 template <typename T>
85 static inline T OpParameter(Node* node) {
86 return reinterpret_cast<Operator1<T>*>(node->op())->parameter();
87 }
88 }
89 }
90 } // namespace v8::internal::compiler
91
92 #endif // V8_COMPILER_NODE_H_
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