92     struct BBInfo {  struct
94       bool reachable;
98       RegMap vregsLiveIn;
102       RegSet regsKilled;
106       RegSet regsLiveOut;
110       RegSet vregsPassed;
114       RegSet vregsRequired;
116       BBInfo() : reachable(false) {}  in BBInfo()  function
120       bool addPassed(unsigned Reg) {  in addPassed()
129       bool addPassed(const RegSet &RS) {  in addPassed()
139       bool addRequired(unsigned Reg) {  in addRequired()
148       bool addRequired(const RegSet &RS) {  in addRequired()
157       bool addRequired(const RegMap &RM) {  in addRequired()
166       bool isLiveOut(unsigned Reg) const {  in isLiveOut()