#ifndef DFGInsertionSet_h
#define DFGInsertionSet_h
#if ENABLE(DFG_JIT)
#include "DFGGraph.h"
#include <wtf/Insertion.h>
#include <wtf/Vector.h>
namespace JSC { namespace DFG {
typedef WTF::Insertion<Node*> Insertion;
class InsertionSet {
public:
InsertionSet(Graph& graph)
: m_graph(graph)
{
}
Graph& graph() { return m_graph; }
Node* insert(const Insertion& insertion)
{
if (LIKELY(!m_insertions.size() || m_insertions.last().index() <= insertion.index()))
m_insertions.append(insertion);
else
insertSlow(insertion);
return insertion.element();
}
Node* insert(size_t index, Node* element)
{
return insert(Insertion(index, element));
}
template<typename... Params>
Node* insertNode(size_t index, SpeculatedType type, Params... params)
{
return insert(index, m_graph.addNode(type, params...));
}
Node* insertConstant(
size_t index, NodeOrigin origin, FrozenValue* value,
NodeType op = JSConstant)
{
return insertNode(
index, speculationFromValue(value->value()), op, origin, OpInfo(value));
}
Edge insertConstantForUse(
size_t index, NodeOrigin origin, FrozenValue* value, UseKind useKind)
{
NodeType op;
if (isDouble(useKind))
op = DoubleConstant;
else if (useKind == Int52RepUse)
op = Int52Constant;
else
op = JSConstant;
return Edge(insertConstant(index, origin, value, op), useKind);
}
Node* insertConstant(size_t index, NodeOrigin origin, JSValue value, NodeType op = JSConstant)
{
return insertConstant(index, origin, m_graph.freeze(value), op);
}
Edge insertConstantForUse(size_t index, NodeOrigin origin, JSValue value, UseKind useKind)
{
return insertConstantForUse(index, origin, m_graph.freeze(value), useKind);
}
Edge insertBottomConstantForUse(size_t index, NodeOrigin origin, UseKind useKind)
{
if (isDouble(useKind))
return insertConstantForUse(index, origin, jsNumber(PNaN), useKind);
if (useKind == Int52RepUse)
return insertConstantForUse(index, origin, jsNumber(0), useKind);
return insertConstantForUse(index, origin, jsUndefined(), useKind);
}
Node* insertCheck(size_t index, NodeOrigin origin, AdjacencyList children)
{
children = children.justChecks();
if (children.isEmpty())
return nullptr;
return insertNode(index, SpecNone, Check, origin, children);
}
Node* insertCheck(size_t index, Node* node)
{
return insertCheck(index, node->origin, node->children);
}
Node* insertCheck(size_t index, NodeOrigin origin, Edge edge)
{
if (edge.willHaveCheck())
return insertNode(index, SpecNone, Check, origin, edge);
return nullptr;
}
size_t execute(BasicBlock* block);
private:
void insertSlow(const Insertion&);
Graph& m_graph;
Vector<Insertion, 8> m_insertions;
};
} }
#endif // ENABLE(DFG_JIT)
#endif // DFGInsertionSet_h