void MachineVerifier::report(const char *msg, const MachineFunction *MF,
const LiveInterval &LI) {
report(msg, MF);
- *OS << "- interval: ";
- if (TargetRegisterInfo::isVirtualRegister(LI.reg))
- *OS << PrintReg(LI.reg, TRI);
- else
- *OS << PrintRegUnit(LI.reg, TRI);
- *OS << ' ' << LI << '\n';
+ *OS << "- interval: " << LI << '\n';
}
void MachineVerifier::report(const char *msg, const MachineBasicBlock *MBB,
const LiveInterval &LI) {
report(msg, MBB);
- *OS << "- interval: ";
- if (TargetRegisterInfo::isVirtualRegister(LI.reg))
- *OS << PrintReg(LI.reg, TRI);
- else
- *OS << PrintRegUnit(LI.reg, TRI);
- *OS << ' ' << LI << '\n';
+ *OS << "- interval: " << LI << '\n';
}
void MachineVerifier::report(const char *msg, const MachineBasicBlock *MBB,
if (MI->getNumOperands() < MCID.getNumOperands()) {
report("Too few operands", MI);
*OS << MCID.getNumOperands() << " operands expected, but "
- << MI->getNumExplicitOperands() << " given.\n";
+ << MI->getNumOperands() << " given.\n";
}
// Check the tied operands.
report("No live segment at def", MO, MONum);
*OS << DefIdx << " is not live in " << LI << '\n';
}
+ // Check that, if the dead def flag is present, LiveInts agree.
+ if (MO->isDead()) {
+ LiveQueryResult LRQ = LI.Query(DefIdx);
+ if (!LRQ.isDeadDef()) {
+ report("Live range continues after dead def flag", MO, MONum);
+ *OS << "Live range: " << LI << '\n';
+ }
+ }
} else {
report("Virtual register has no Live interval", MO, MONum);
}
// A live segment can end with either a redefinition, a kill flag on a
// use, or a dead flag on a def.
bool hasRead = false;
- bool hasDeadDef = false;
for (ConstMIBundleOperands MOI(MI); MOI.isValid(); ++MOI) {
if (!MOI->isReg() || MOI->getReg() != Reg)
continue;
if (MOI->readsReg())
hasRead = true;
- if (MOI->isDef() && MOI->isDead())
- hasDeadDef = true;
}
-
- if (S.end.isDead()) {
- if (!hasDeadDef) {
- report("Instruction doesn't have a dead def operand", MI);
- *OS << S << " in " << LR << '\n';
- }
- } else {
+ if (!S.end.isDead()) {
if (!hasRead) {
report("Instruction ending live segment doesn't read the register", MI);
*OS << S << " in " << LR << '\n';