diff options
Diffstat (limited to 'utils/TableGen/RegisterInfoEmitter.cpp')
| -rw-r--r-- | utils/TableGen/RegisterInfoEmitter.cpp | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/utils/TableGen/RegisterInfoEmitter.cpp b/utils/TableGen/RegisterInfoEmitter.cpp index 9ffb66a..bcdde34 100644 --- a/utils/TableGen/RegisterInfoEmitter.cpp +++ b/utils/TableGen/RegisterInfoEmitter.cpp @@ -108,12 +108,16 @@ void RegisterInfoEmitter::runHeader(raw_ostream &OS) { OS << "\n };\n\n"; for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) { - const std::string &Name = RegisterClasses[i].getName(); + const CodeGenRegisterClass &RC = RegisterClasses[i]; + const std::string &Name = RC.getName(); // Output the register class definition. OS << " struct " << Name << "Class : public TargetRegisterClass {\n" - << " " << Name << "Class();\n" - << RegisterClasses[i].MethodProtos << " };\n"; + << " " << Name << "Class();\n"; + if (!RC.AltOrderSelect.empty()) + OS << " ArrayRef<unsigned> " + "getRawAllocationOrder(const MachineFunction&) const;\n"; + OS << RC.MethodProtos << " };\n"; // Output the extern for the instance. OS << " extern " << Name << "Class\t" << Name << "RegClass;\n"; @@ -349,7 +353,7 @@ void RegisterInfoEmitter::run(raw_ostream &OS) { OS << "\n };\n\n"; } - + // Emit methods. for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) { const CodeGenRegisterClass &RC = RegisterClasses[i]; OS << RC.MethodBodies << "\n"; @@ -371,6 +375,27 @@ void RegisterInfoEmitter::run(raw_ostream &OS) { << RC.getName() << ", " << RC.getName() << " + " << RC.getOrder().size() << ") {}\n"; + if (!RC.AltOrderSelect.empty()) { + OS << "\nstatic inline unsigned " << RC.getName() + << "AltOrderSelect(const MachineFunction &MF) {" + << RC.AltOrderSelect << "}\n\nArrayRef<unsigned> " + << RC.getName() << "Class::" + << "getRawAllocationOrder(const MachineFunction &MF) const {\n"; + for (unsigned oi = 1 , oe = RC.getNumOrders(); oi != oe; ++oi) { + ArrayRef<Record*> Elems = RC.getOrder(oi); + OS << " static const unsigned AltOrder" << oi << "[] = {"; + for (unsigned elem = 0; elem != Elems.size(); ++elem) + OS << (elem ? ", " : " ") << getQualifiedName(Elems[elem]); + OS << " };\n"; + } + OS << " static const ArrayRef<unsigned> Order[] = {\n" + << " ArrayRef<unsigned>(" << RC.getName(); + for (unsigned oi = 1, oe = RC.getNumOrders(); oi != oe; ++oi) + OS << "),\n ArrayRef<unsigned>(AltOrder" << oi; + OS << ")\n };\n const unsigned Select = " << RC.getName() + << "AltOrderSelect(MF);\n assert(Select < " << RC.getNumOrders() + << ");\n return Order[Select];\n}\n"; + } } OS << "}\n"; |