diff options
| -rw-r--r-- | utils/TableGen/RegisterInfoEmitter.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/utils/TableGen/RegisterInfoEmitter.cpp b/utils/TableGen/RegisterInfoEmitter.cpp index 702ca7c377..67f91ef004 100644 --- a/utils/TableGen/RegisterInfoEmitter.cpp +++ b/utils/TableGen/RegisterInfoEmitter.cpp @@ -719,6 +719,8 @@ void RegisterInfoEmitter::run(raw_ostream &OS) { // to memory. 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[] = { "; for (std::set<Record*>::iterator ASI = I->second.begin(), E = I->second.end(); ASI != E; ++ASI) @@ -735,6 +737,8 @@ void RegisterInfoEmitter::run(raw_ostream &OS) { // sub-registers list to memory. for (std::map<Record*, std::set<Record*>, LessRecord>::iterator I = RegisterSubRegs.begin(), E = RegisterSubRegs.end(); I != E; ++I) { + if (I->second.empty()) + continue; OS << " const unsigned " << I->first->getName() << "_SubRegsSet[] = { "; std::vector<Record*> SubRegsVector; for (std::set<Record*>::iterator ASI = I->second.begin(), @@ -756,6 +760,8 @@ void RegisterInfoEmitter::run(raw_ostream &OS) { // super-registers list to memory. for (std::map<Record*, std::set<Record*>, LessRecord >::iterator I = RegisterSuperRegs.begin(), E = RegisterSuperRegs.end(); I != E; ++I) { + if (I->second.empty()) + continue; OS << " const unsigned " << I->first->getName() << "_SuperRegsSet[] = { "; std::vector<Record*> SuperRegsVector; @@ -778,15 +784,15 @@ void RegisterInfoEmitter::run(raw_ostream &OS) { const CodeGenRegister &Reg = Regs[i]; OS << " { \""; OS << Reg.getName() << "\",\t"; - if (RegisterAliases.count(Reg.TheDef)) + if (!RegisterAliases[Reg.TheDef].empty()) OS << Reg.getName() << "_AliasSet,\t"; else OS << "Empty_AliasSet,\t"; - if (RegisterSubRegs.count(Reg.TheDef)) + if (!RegisterSubRegs[Reg.TheDef].empty()) OS << Reg.getName() << "_SubRegsSet,\t"; else OS << "Empty_SubRegsSet,\t"; - if (RegisterSuperRegs.count(Reg.TheDef)) + if (!RegisterSuperRegs[Reg.TheDef].empty()) OS << Reg.getName() << "_SuperRegsSet },\n"; else OS << "Empty_SuperRegsSet },\n"; |