// Now check liveness info if available
calcRegsRequired();
+ // Check for killed virtual registers that should be live out.
+ for (MachineFunction::const_iterator MFI = MF->begin(), MFE = MF->end();
+ MFI != MFE; ++MFI) {
+ BBInfo &MInfo = MBBInfoMap[MFI];
+ for (RegSet::iterator
+ I = MInfo.vregsRequired.begin(), E = MInfo.vregsRequired.end(); I != E;
+ ++I)
+ if (MInfo.regsKilled.count(*I)) {
+ report("Virtual register killed in block, but needed live out.", MFI);
+ *OS << "Virtual register " << PrintReg(*I)
+ << " is used after the block.\n";
+ }
+ }
+
if (!MF->empty()) {
BBInfo &MInfo = MBBInfoMap[&MF->front()];
for (RegSet::iterator