RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-19 02:52:53 +02:00
Code Issues Projects Releases Wiki Activity

Refactor to use Target.getRegisterClasses consistently, which provides

Browse Source 
anonymous regclass definition renaming.

Change the generated code to emit register classes as properly namespace
qualified entities like everything else.

expose the actual class definition as an object, though this isn't quite
usable yet.

llvm-svn: 22920
This commit is contained in:
Chris Lattner 2005-08-19 18:47:59 +00:00
parent 077a4e87c4
commit cef54bfd28
1 changed files with 40 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
utils/TableGen/RegisterInfoEmitter.cpp
View File

@ -61,16 +61,18 @@ void RegisterInfoEmitter::runHeader(std::ostream &OS) {
<< " const unsigned* getCalleeSaveRegs() const;\n" << " const unsigned* getCalleeSaveRegs() const;\n"
<< "};\n\n"; << "};\n\n";
std::vector<Record*> RegisterClasses = const std::vector<CodeGenRegisterClass> &RegisterClasses =
Records.getAllDerivedDefinitions("RegisterClass"); Target.getRegisterClasses();
OS << "namespace " << TargetName << " { // Register classes\n"; if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
<< " { // Register classes\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) { for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
const std::string &Name = RegisterClasses[i]->getName(); const std::string &Name = RegisterClasses[i].getName();
if (Name.size() < 9 || Name[9] != '.') // Ignore anonymous classes OS << " extern TargetRegisterClass * const "<< Name <<"RegisterClass;\n";
OS << " extern TargetRegisterClass *" << Name << "RegisterClass;\n";
} }
OS << "} // end of namespace " << TargetName << "\n\n"; OS << "} // end of namespace " << TargetName << "\n\n";
}
OS << "} // End llvm namespace \n"; OS << "} // End llvm namespace \n";
} }
@ -90,7 +92,6 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
Target.getRegisterClasses(); Target.getRegisterClasses();
std::set<Record*> RegistersFound; std::set<Record*> RegistersFound;
std::vector<std::string> RegClassNames;
// Loop over all of the register classes... emitting each one. // Loop over all of the register classes... emitting each one.
OS << "namespace { // Register classes...\n"; OS << "namespace { // Register classes...\n";
@ -102,15 +103,10 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) { for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {
const CodeGenRegisterClass &RC = RegisterClasses[rc]; const CodeGenRegisterClass &RC = RegisterClasses[rc];
std::string Name = RC.getName(); // Give the register class a legal C name if it's anonymous.
if (Name.size() > 9 && Name[9] == '.') { std::string Name = RC.TheDef->getName();
static unsigned AnonCounter = 0;
Name = "AnonRegClass_"+utostr(AnonCounter++);
}
RegClassNames.push_back(Name); // Emit the register list now.
// Emit the register list now...
OS << " // " << Name << " Register Class...\n const unsigned " << Name OS << " // " << Name << " Register Class...\n const unsigned " << Name
<< "[] = {\n "; << "[] = {\n ";
for (unsigned i = 0, e = RC.Elements.size(); i != e; ++i) { for (unsigned i = 0, e = RC.Elements.size(); i != e; ++i) {
@ -130,12 +126,25 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
<< " " << Name << "Class() : TargetRegisterClass(" << " " << Name << "Class() : TargetRegisterClass("
<< RC.SpillSize/8 << ", " << RC.SpillAlignment/8 << ", " << Name << ", " << RC.SpillSize/8 << ", " << RC.SpillAlignment/8 << ", " << Name << ", "
<< Name << " + " << RC.Elements.size() << ") {}\n" << Name << " + " << RC.Elements.size() << ") {}\n"
<< RC.MethodDefinitions << " } " << Name << "Instance;\n\n"; << RC.MethodDefinitions << " };\n\n";
}
OS << "} // end anonymous namespace\n\n";
// Now that all of the structs have been emitted, emit the instances.
if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
<< " { // Register class instances\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i)
OS << " " << RegisterClasses[i].getName() << "Class\t"
<< RegisterClasses[i].getName() << "RegClassInstance;\n";
OS << "}\n";
} }
OS << "\nnamespace {\n";
OS << " const TargetRegisterClass* const RegisterClasses[] = {\n"; OS << " const TargetRegisterClass* const RegisterClasses[] = {\n";
for (unsigned i = 0, e = RegClassNames.size(); i != e; ++i) for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i)
OS << " &" << RegClassNames[i] << "Instance,\n"; OS << " &" << getQualifiedName(RegisterClasses[i].TheDef)
<< "RegClassInstance,\n";
OS << " };\n"; OS << " };\n";
// Emit register class aliases... // Emit register class aliases...
@ -228,15 +237,16 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
OS << " };\n"; // End of register descriptors... OS << " };\n"; // End of register descriptors...
OS << "}\n\n"; // End of anonymous namespace... OS << "}\n\n"; // End of anonymous namespace...
OS << "namespace " << Target.getName() << " { // Register classes\n"; if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
<< " { // Register classes\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) { for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
const std::string &Name = RegisterClasses[i].getName(); OS << " TargetRegisterClass * const " << RegisterClasses[i].getName()
if (Name.size() < 9 || Name[9] != '.') // Ignore anonymous classes << "RegisterClass = &" << getQualifiedName(RegisterClasses[i].TheDef)
OS << " TargetRegisterClass *" << Name << "RegisterClass = &" << "RegClassInstance;\n";
<< Name << "Instance;\n"; }
OS << "} // end of namespace " << RegisterClasses[0].Namespace << "\n\n";
} }
OS << "} // end of namespace " << Target.getName() << "\n\n";
std::string ClassName = Target.getName() + "GenRegisterInfo"; std::string ClassName = Target.getName() + "GenRegisterInfo";
@ -245,7 +255,7 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
OS << ClassName << "::" << ClassName OS << ClassName << "::" << ClassName
<< "(int CallFrameSetupOpcode, int CallFrameDestroyOpcode)\n" << "(int CallFrameSetupOpcode, int CallFrameDestroyOpcode)\n"
<< " : MRegisterInfo(RegisterDescriptors, " << Registers.size()+1 << " : MRegisterInfo(RegisterDescriptors, " << Registers.size()+1
<< ", RegisterClasses, RegisterClasses+" << RegClassNames.size() << ",\n " << ", RegisterClasses, RegisterClasses+" << RegisterClasses.size() <<",\n "
<< " CallFrameSetupOpcode, CallFrameDestroyOpcode) {}\n\n"; << " CallFrameSetupOpcode, CallFrameDestroyOpcode) {}\n\n";
// Emit the getCalleeSaveRegs method... // Emit the getCalleeSaveRegs method...