// buildInterferenceGraph
std::stack<IGNode *> IGNodeStack; // the stack used for coloring
- const ReservedColorListType *const ReservedColorList;
+ // ReservedColorList - for passing registers that are pre-allocated and cannot
+ // be used by the register allocator for this function.
//
- // for passing registers that are pre-allocated and cannot be used by the
- // register allocator for this function.
+ const ReservedColorListType *const ReservedColorList;
- bool *IsColorUsedArr;
+ // IsColorUsedArr - An array used for coloring each node. This array must be
+ // of size MRC->getNumOfAllRegs(). Allocated once in the constructor for
+ // efficiency.
//
- // An array used for coloring each node. This array must be of size
- // MRC->getNumOfAllRegs(). Allocated once in the constructor
- // for efficiency.
+ std::vector<bool> IsColorUsedArr;
+
//--------------------------- private methods ------------------------------
const MachineRegClassInfo *MRC,
const ReservedColorListType *RCL = 0);
- ~RegClass() { delete[] IsColorUsedArr; }
-
inline void createInterferenceGraph() { IG.createGraph(); }
inline InterferenceGraph &getIG() { return IG; }
{ IG.mergeIGNodesOfLRs(LR1, LR2); }
- inline bool * getIsColorUsedArr() { return IsColorUsedArr; }
+ inline std::vector<bool> &getIsColorUsedArr() { return IsColorUsedArr; }
inline void printIGNodeList() const {