delete [] AliasesHashTable;
if (!RegisterAliases.empty())
- OS << "\n\n // Register Alias Sets...\n";
+ OS << "\n\n // Register Overlap Lists...\n";
- // Emit the empty alias list
- OS << " const unsigned Empty_AliasSet[] = { 0 };\n";
- // Loop over all of the registers which have aliases, emitting the alias list
- // to memory.
+ // Emit an overlap list for all registers.
for (std::map<Record*, std::set<Record*>, LessRecord >::iterator
I = RegisterAliases.begin(), E = RegisterAliases.end(); I != E; ++I) {
- if (I->second.empty())
- continue;
- OS << " const unsigned " << I->first->getName() << "_AliasSet[] = { ";
+ OS << " const unsigned " << I->first->getName() << "_Overlaps[] = { "
+ << getQualifiedName(I->first) << ", ";
for (std::set<Record*>::iterator ASI = I->second.begin(),
E = I->second.end(); ASI != E; ++ASI)
OS << getQualifiedName(*ASI) << ", ";
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
const CodeGenRegister &Reg = Regs[i];
OS << " { \"";
- OS << Reg.getName() << "\",\t";
- if (!RegisterAliases[Reg.TheDef].empty())
- OS << Reg.getName() << "_AliasSet,\t";
- else
- OS << "Empty_AliasSet,\t";
+ OS << Reg.getName() << "\",\t" << Reg.getName() << "_Overlaps,\t";
if (!RegisterSubRegs[Reg.TheDef].empty())
OS << Reg.getName() << "_SubRegsSet,\t";
else