bool LDVImpl::handleDebugValue(MachineInstr *MI, SlotIndex Idx) {
// DBG_VALUE loc, offset, variable
if (MI->getNumOperands() != 3 ||
!MI->getOperand(1).isImm() || !MI->getOperand(2).isMetadata()) {
DEBUG(dbgs() << "Can't handle " << *MI);
return false;
}
// Get or create the UserValue for (variable,offset).
unsigned Offset = MI->getOperand(1).getImm();
const MDNode *Var = MI->getOperand(2).getMetadata();
UserValue *UV = getUserValue(Var, Offset, MI->getDebugLoc());
UV->addDef(Idx, MI->getOperand(0));
return true;
}
bool LDVImpl::handleDebugValue(MachineInstr &MI, SlotIndex Idx) {
// DBG_VALUE loc, offset, variable
if (MI.getNumOperands() != 4 ||
!(MI.getOperand(1).isReg() || MI.getOperand(1).isImm()) ||
!MI.getOperand(2).isMetadata()) {
DEBUG(dbgs() << "Can't handle " << MI);
return false;
}
// Get or create the UserValue for (variable,offset).
bool IsIndirect = MI.isIndirectDebugValue();
unsigned Offset = IsIndirect ? MI.getOperand(1).getImm() : 0;
const MDNode *Var = MI.getDebugVariable();
const MDNode *Expr = MI.getDebugExpression();
//here.
UserValue *UV = getUserValue(Var, Expr, Offset, IsIndirect, MI.getDebugLoc());
UV->addDef(Idx, MI.getOperand(0));
return true;
}
bool LDVImpl::handleDebugValue(MachineInstr *MI, SlotIndex Idx) {
// DBG_VALUE loc, offset, variable
if (MI->getNumOperands() != 3 ||
!MI->getOperand(1).isImm() || !MI->getOperand(2).isMetadata()) {
DEBUG(dbgs() << "Can't handle " << *MI);
return false;
}
// Get or create the UserValue for (variable,offset).
unsigned Offset = MI->getOperand(1).getImm();
const MDNode *Var = MI->getOperand(2).getMetadata();
UserValue *UV = getUserValue(Var, Offset);
// If the location is a virtual register, make sure it is mapped.
if (MI->getOperand(0).isReg()) {
unsigned Reg = MI->getOperand(0).getReg();
if (TargetRegisterInfo::isVirtualRegister(Reg))
mapVirtReg(Reg, UV);
}
UV->addDef(Idx, MI->getOperand(0));
return true;
}