void LDVImpl::
renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx) {
UserValue *UV = lookupVirtReg(OldReg);
if (!UV)
return;
if (TargetRegisterInfo::isVirtualRegister(NewReg))
mapVirtReg(NewReg, UV);
virtRegToEqClass.erase(OldReg);
do {
UV->renameRegister(OldReg, NewReg, SubIdx, TRI);
UV = UV->getNext();
} while (UV);
}
UserValue *LDVImpl::getUserValue(const MDNode *Var, unsigned Offset) {
UserValue *&Leader = userVarMap[Var];
if (Leader) {
UserValue *UV = Leader->getLeader();
Leader = UV;
for (; UV; UV = UV->getNext())
if (UV->match(Var, Offset))
return UV;
}
UserValue *UV = new UserValue(Var, Offset, allocator);
userValues.push_back(UV);
Leader = UserValue::merge(Leader, UV);
return UV;
}
UserValue *LDVImpl::getUserValue(const MDNode *Var, const MDNode *Expr,
bool IsIndirect, const DebugLoc &DL) {
UserValue *&Leader = userVarMap[Var];
if (Leader) {
UserValue *UV = Leader->getLeader();
Leader = UV;
for (; UV; UV = UV->getNext())
if (UV->match(Var, Expr, DL->getInlinedAt(), IsIndirect))
return UV;
}
userValues.push_back(
llvm::make_unique<UserValue>(Var, Expr, IsIndirect, DL, allocator));
UserValue *UV = userValues.back().get();
Leader = UserValue::merge(Leader, UV);
return UV;
}
UserValue *LDVImpl::getUserValue(const MDNode *Var, unsigned Offset,
bool IsIndirect, DebugLoc DL) {
UserValue *&Leader = userVarMap[Var];
if (Leader) {
UserValue *UV = Leader->getLeader();
Leader = UV;
for (; UV; UV = UV->getNext())
if (UV->match(Var, Offset, IsIndirect))
return UV;
}
userValues.push_back(
make_unique<UserValue>(Var, Offset, IsIndirect, DL, allocator));
UserValue *UV = userValues.back().get();
Leader = UserValue::merge(Leader, UV);
return UV;
}