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Also add super- register classes info. 

llvm-svn: 28221
This commit is contained in:
Evan Cheng 2006-05-11 07:30:26 +00:00
parent 47926aff96
commit 229a6d0026
1 changed files with 38 additions and 0 deletions
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38
llvm/utils/TableGen/RegisterInfoEmitter.cpp
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@ -166,6 +166,7 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
OS << " " << RegisterClasses[i].getName() << "Class\t"
<< RegisterClasses[i].getName() << "RegClass;\n";
std::map<unsigned, std::set<unsigned> > SuperClassMap;
OS << "\n";
// Emit the sub-classes array for each RegisterClass
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {
@ -194,12 +195,48 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
if (!Empty) OS << ", ";
OS << "&" << getQualifiedName(RC2.TheDef) << "RegClass";
Empty = false;
std::map<unsigned, std::set<unsigned> >::iterator SCMI =
SuperClassMap.find(rc2);
if (SCMI == SuperClassMap.end()) {
SuperClassMap.insert(std::make_pair(rc2, std::set<unsigned>()));
SCMI = SuperClassMap.find(rc2);
}
SCMI->second.insert(rc);
}
OS << (!Empty ? ", " : "") << "NULL";
OS << "\n };\n\n";
}
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {
const CodeGenRegisterClass &RC = RegisterClasses[rc];
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
OS << " // " << Name
<< " Register Class super-classes...\n const TargetRegisterClass* "
<< Name << "Superclasses [] = {\n ";
bool Empty = true;
std::map<unsigned, std::set<unsigned> >::iterator I =
SuperClassMap.find(rc);
if (I != SuperClassMap.end()) {
for (std::set<unsigned>::iterator II = I->second.begin(),
EE = I->second.end(); II != EE; ++II) {
const CodeGenRegisterClass &RC2 = RegisterClasses[*II];
if (!Empty) OS << ", ";
OS << "&" << getQualifiedName(RC2.TheDef) << "RegClass";
Empty = false;
}
}
OS << (!Empty ? ", " : "") << "NULL";
OS << "\n };\n\n";
}
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
const CodeGenRegisterClass &RC = RegisterClasses[i];
OS << RC.MethodBodies << "\n";
@ -207,6 +244,7 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
<< "Class() : TargetRegisterClass("
<< RC.getName() + "VTs" << ", "
<< RC.getName() + "Subclasses" << ", "
<< RC.getName() + "Superclasses" << ", "
<< RC.SpillSize/8 << ", "
<< RC.SpillAlignment/8 << ", " << RC.getName() << ", "
<< RC.getName() << " + " << RC.Elements.size() << ") {}\n";