/// Map virtual register to eq class leader.
typedef DenseMap<unsigned, UserValue*> VRMap;
- VRMap virtRegMap;
+ VRMap virtRegToEqClass;
/// Map user variable to eq class leader.
typedef DenseMap<const MDNode *, UserValue*> UVMap;
void clear() {
DeleteContainerPointers(userValues);
userValues.clear();
- virtRegMap.clear();
+ virtRegToEqClass.clear();
userVarMap.clear();
}
void LDVImpl::mapVirtReg(unsigned VirtReg, UserValue *EC) {
assert(TargetRegisterInfo::isVirtualRegister(VirtReg) && "Only map VirtRegs");
- UserValue *&Leader = virtRegMap[VirtReg];
+ UserValue *&Leader = virtRegToEqClass[VirtReg];
Leader = UserValue::merge(Leader, EC);
}
UserValue *LDVImpl::lookupVirtReg(unsigned VirtReg) {
- if (UserValue *UV = virtRegMap.lookup(VirtReg))
+ if (UserValue *UV = virtRegToEqClass.lookup(VirtReg))
return UV->getLeader();
return 0;
}
if (TargetRegisterInfo::isVirtualRegister(NewReg))
mapVirtReg(NewReg, UV);
- virtRegMap.erase(OldReg);
+ virtRegToEqClass.erase(OldReg);
do {
UV->renameRegister(OldReg, NewReg, SubIdx, TRI);