public:
virtual ~SchedulingPriorityQueue() {}
- virtual void initNodes(std::vector<SUnit> &SUnits) = 0;
+ virtual void initNodes(std::map<SDNode*, SUnit*> &SUMap,
+ std::vector<SUnit> &SUnits) = 0;
virtual void releaseState() = 0;
virtual bool empty() const = 0;
void CalculateDepths();
void CalculateHeights();
+ /// CountResults - The results of target nodes have register or immediate
+ /// operands first, then an optional chain, and optional flag operands
+ /// (which do not go into the machine instrs.)
+ static unsigned CountResults(SDNode *Node);
+
+ /// CountOperands The inputs to target nodes have any actual inputs first,
+ /// followed by an optional chain operand, then flag operands. Compute the
+ /// number of actual operands that will go into the machine instr.
+ static unsigned CountOperands(SDNode *Node);
+
/// EmitNode - Generate machine code for an node and needed dependencies.
/// VRBaseMap contains, for each already emitted node, the first virtual
/// register number for the results of the node.