typedef std::pair<unsigned, unsigned> Range;
typedef std::vector<Range> Ranges;
unsigned reg; // the register of this interval
typedef std::pair<unsigned, unsigned> Range;
typedef std::vector<Range> Ranges;
unsigned reg; // the register of this interval
- unsigned weight; // weight of this interval (number of uses)
- Ranges ranges; // the ranges this register is valid
+ float weight; // weight of this interval (number of uses
+ // * 10^loopDepth)
+ Ranges ranges; // the ranges this register is valid