// runEnums - Print out enum values for all of the registers.
void RegisterInfoEmitter::runEnums(raw_ostream &OS) {
// runEnums - Print out enum values for all of the registers.
void RegisterInfoEmitter::runEnums(raw_ostream &OS) {
const std::vector<CodeGenRegister> &Registers = Target.getRegisters();
std::string Namespace = Registers[0].TheDef->getValueAsString("Namespace");
const std::vector<CodeGenRegister> &Registers = Target.getRegisters();
std::string Namespace = Registers[0].TheDef->getValueAsString("Namespace");
OS << "enum {\n NoRegister,\n";
for (unsigned i = 0, e = Registers.size(); i != e; ++i)
OS << "enum {\n NoRegister,\n";
for (unsigned i = 0, e = Registers.size(); i != e; ++i)
- OS << " " << Registers[i].getName() << ", \t// " << i+1 << "\n";
+ OS << " " << Registers[i].getName() << " = " <<
+ Registers[i].EnumValue << ",\n";
+ assert(Registers.size() == Registers[Registers.size()-1].EnumValue &&
+ "Register enum value mismatch!");
void RegisterInfoEmitter::runHeader(raw_ostream &OS) {
EmitSourceFileHeader("Register Information Header Fragment", OS);
void RegisterInfoEmitter::runHeader(raw_ostream &OS) {
EmitSourceFileHeader("Register Information Header Fragment", OS);
const std::string &TargetName = Target.getName();
std::string ClassName = TargetName + "GenRegisterInfo";
const std::string &TargetName = Target.getName();
std::string ClassName = TargetName + "GenRegisterInfo";
if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
<< " { // Register classes\n";
if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
<< " { // Register classes\n";
OS << " enum {\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
if (i) OS << ",\n";
OS << " " << RegisterClasses[i].getName() << "RegClassID";
OS << " enum {\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
if (i) OS << ",\n";
OS << " " << RegisterClasses[i].getName() << "RegClassID";
-bool isSubRegisterClass(const CodeGenRegisterClass &RC,
- std::set<Record*> &RegSet) {
- for (unsigned i = 0, e = RC.Elements.size(); i != e; ++i) {
- Record *Reg = RC.Elements[i];
- if (!RegSet.count(Reg))
- return false;
- }
- return true;
-}
-
static void addSuperReg(Record *R, Record *S,
std::map<Record*, std::set<Record*>, LessRecord> &SubRegs,
std::map<Record*, std::set<Record*>, LessRecord> &SuperRegs,
static void addSuperReg(Record *R, Record *S,
std::map<Record*, std::set<Record*>, LessRecord> &SubRegs,
std::map<Record*, std::set<Record*>, LessRecord> &SuperRegs,
// RegisterInfoEmitter::run - Main register file description emitter.
//
void RegisterInfoEmitter::run(raw_ostream &OS) {
// RegisterInfoEmitter::run - Main register file description emitter.
//
void RegisterInfoEmitter::run(raw_ostream &OS) {
EmitSourceFileHeader("Register Information Source Fragment", OS);
OS << "namespace llvm {\n\n";
EmitSourceFileHeader("Register Information Source Fragment", OS);
OS << "namespace llvm {\n\n";
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
// Emit the register list now.
OS << " // " << Name << " Register Class...\n"
<< " static const unsigned " << Name
// Emit the register list now.
OS << " // " << Name << " Register Class...\n"
<< " static const unsigned " << Name
// Emit the ValueType arrays for each RegisterClass
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {
const CodeGenRegisterClass &RC = RegisterClasses[rc];
// Emit the ValueType arrays for each RegisterClass
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() + "VTs";
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName() + "VTs";
// Now that all of the structs have been emitted, emit the instances.
if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
// Now that all of the structs have been emitted, emit the instances.
if (!RegisterClasses.empty()) {
OS << "namespace " << RegisterClasses[0].Namespace
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i)
OS << " " << RegisterClasses[i].getName() << "Class\t"
<< RegisterClasses[i].getName() << "RegClass;\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i)
OS << " " << RegisterClasses[i].getName() << "Class\t"
<< RegisterClasses[i].getName() << "RegClass;\n";
std::map<unsigned, std::set<unsigned> > SuperClassMap;
std::map<unsigned, std::set<unsigned> > SuperRegClassMap;
OS << "\n";
std::map<unsigned, std::set<unsigned> > SuperClassMap;
std::map<unsigned, std::set<unsigned> > SuperRegClassMap;
OS << "\n";
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
<< " Register Class sub-classes...\n"
<< " static const TargetRegisterClass* const "
<< Name << "Subclasses[] = {\n ";
<< " Register Class sub-classes...\n"
<< " static const TargetRegisterClass* const "
<< Name << "Subclasses[] = {\n ";
for (unsigned rc2 = 0, e2 = RegisterClasses.size(); rc2 != e2; ++rc2) {
const CodeGenRegisterClass &RC2 = RegisterClasses[rc2];
for (unsigned rc2 = 0, e2 = RegisterClasses.size(); rc2 != e2; ++rc2) {
const CodeGenRegisterClass &RC2 = RegisterClasses[rc2];
- // RC2 is a sub-class of RC if it is a valid replacement for any
- // instruction operand where an RC register is required. It must satisfy
- // these conditions:
- //
- // 1. All RC2 registers are also in RC.
- // 2. The RC2 spill size must not be smaller that the RC spill size.
- // 3. RC2 spill alignment must be compatible with RC.
- //
// Sub-classes are used to determine if a virtual register can be used
// as an instruction operand, or if it must be copied first.
// Sub-classes are used to determine if a virtual register can be used
// as an instruction operand, or if it must be copied first.
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
// Give the register class a legal C name if it's anonymous.
std::string Name = RC.TheDef->getName();
<< " Register Class super-classes...\n"
<< " static const TargetRegisterClass* const "
<< Name << "Superclasses[] = {\n ";
<< " Register Class super-classes...\n"
<< " static const TargetRegisterClass* const "
<< Name << "Superclasses[] = {\n ";
const CodeGenRegisterClass &RC2 = RegisterClasses[*II];
if (!Empty) OS << ", ";
OS << "&" << getQualifiedName(RC2.TheDef) << "RegClass";
const CodeGenRegisterClass &RC2 = RegisterClasses[*II];
if (!Empty) OS << ", ";
OS << "&" << getQualifiedName(RC2.TheDef) << "RegClass";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
const CodeGenRegisterClass &RC = RegisterClasses[i];
OS << RC.MethodBodies << "\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) {
const CodeGenRegisterClass &RC = RegisterClasses[i];
OS << RC.MethodBodies << "\n";
<< "Class() : TargetRegisterClass("
<< RC.getName() + "RegClassID" << ", "
<< '\"' << RC.getName() << "\", "
<< "Class() : TargetRegisterClass("
<< RC.getName() + "RegClassID" << ", "
<< '\"' << RC.getName() << "\", "
std::map<Record*, std::set<Record*>, LessRecord> RegisterAliases;
typedef std::map<Record*, std::vector<int64_t>, LessRecord> DwarfRegNumsMapTy;
DwarfRegNumsMapTy DwarfRegNums;
std::map<Record*, std::set<Record*>, LessRecord> RegisterAliases;
typedef std::map<Record*, std::vector<int64_t>, LessRecord> DwarfRegNumsMapTy;
DwarfRegNumsMapTy DwarfRegNums;
const std::vector<CodeGenRegister> &Regs = Target.getRegisters();
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
const std::vector<CodeGenRegister> &Regs = Target.getRegisters();
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
// Print the SubregHashTable, a simple quadratically probed
// hash table for determining if a register is a subregister
// of another register.
// Print the SubregHashTable, a simple quadratically probed
// hash table for determining if a register is a subregister
// of another register.
unsigned SubregHashTableSize = 2 * NextPowerOf2(2 * NumSubRegs);
unsigned* SubregHashTable = new unsigned[2 * SubregHashTableSize];
std::fill(SubregHashTable, SubregHashTable + 2 * SubregHashTableSize, ~0U);
unsigned SubregHashTableSize = 2 * NextPowerOf2(2 * NumSubRegs);
unsigned* SubregHashTable = new unsigned[2 * SubregHashTableSize];
std::fill(SubregHashTable, SubregHashTable + 2 * SubregHashTableSize, ~0U);
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
Record* R = Regs[i].TheDef;
for (std::set<Record*>::iterator I = RegisterSubRegs[R].begin(),
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
Record* R = Regs[i].TheDef;
for (std::set<Record*>::iterator I = RegisterSubRegs[R].begin(),
OS << " const unsigned SubregHashTable[] = { ";
for (unsigned i = 0; i < SubregHashTableSize - 1; ++i) {
if (i != 0)
// Insert spaces for nice formatting.
OS << " ";
OS << " const unsigned SubregHashTable[] = { ";
for (unsigned i = 0; i < SubregHashTableSize - 1; ++i) {
if (i != 0)
// Insert spaces for nice formatting.
OS << " ";
if (SubregHashTable[2*i] != ~0U) {
OS << getQualifiedName(Regs[SubregHashTable[2*i]].TheDef) << ", "
<< getQualifiedName(Regs[SubregHashTable[2*i+1]].TheDef) << ", \n";
if (SubregHashTable[2*i] != ~0U) {
OS << getQualifiedName(Regs[SubregHashTable[2*i]].TheDef) << ", "
<< getQualifiedName(Regs[SubregHashTable[2*i+1]].TheDef) << ", \n";
OS << " const unsigned SubregHashTableSize = "
<< SubregHashTableSize << ";\n";
} else {
OS << " const unsigned SubregHashTable[] = { ~0U, ~0U };\n"
<< " const unsigned SubregHashTableSize = 1;\n";
}
OS << " const unsigned SubregHashTableSize = "
<< SubregHashTableSize << ";\n";
} else {
OS << " const unsigned SubregHashTable[] = { ~0U, ~0U };\n"
<< " const unsigned SubregHashTableSize = 1;\n";
}
unsigned AliasesHashTableSize = 2 * NextPowerOf2(2 * NumAliases);
unsigned* AliasesHashTable = new unsigned[2 * AliasesHashTableSize];
std::fill(AliasesHashTable, AliasesHashTable + 2 * AliasesHashTableSize, ~0U);
unsigned AliasesHashTableSize = 2 * NextPowerOf2(2 * NumAliases);
unsigned* AliasesHashTable = new unsigned[2 * AliasesHashTableSize];
std::fill(AliasesHashTable, AliasesHashTable + 2 * AliasesHashTableSize, ~0U);
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
Record* R = Regs[i].TheDef;
for (std::set<Record*>::iterator I = RegisterAliases[R].begin(),
for (unsigned i = 0, e = Regs.size(); i != e; ++i) {
Record* R = Regs[i].TheDef;
for (std::set<Record*>::iterator I = RegisterAliases[R].begin(),
OS << " const unsigned AliasesHashTable[] = { ";
for (unsigned i = 0; i < AliasesHashTableSize - 1; ++i) {
if (i != 0)
// Insert spaces for nice formatting.
OS << " ";
OS << " const unsigned AliasesHashTable[] = { ";
for (unsigned i = 0; i < AliasesHashTableSize - 1; ++i) {
if (i != 0)
// Insert spaces for nice formatting.
OS << " ";
if (AliasesHashTable[2*i] != ~0U) {
OS << getQualifiedName(Regs[AliasesHashTable[2*i]].TheDef) << ", "
<< getQualifiedName(Regs[AliasesHashTable[2*i+1]].TheDef) << ", \n";
if (AliasesHashTable[2*i] != ~0U) {
OS << getQualifiedName(Regs[AliasesHashTable[2*i]].TheDef) << ", "
<< getQualifiedName(Regs[AliasesHashTable[2*i+1]].TheDef) << ", \n";
OS << " const unsigned AliasesHashTableSize = "
<< AliasesHashTableSize << ";\n";
} else {
OS << " const unsigned AliasesHashTable[] = { ~0U, ~0U };\n"
<< " const unsigned AliasesHashTableSize = 1;\n";
}
OS << " const unsigned AliasesHashTableSize = "
<< AliasesHashTableSize << ";\n";
} else {
OS << " const unsigned AliasesHashTable[] = { ~0U, ~0U };\n"
<< " const unsigned AliasesHashTableSize = 1;\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) {
for (std::map<Record*, std::set<Record*>, LessRecord >::iterator
I = RegisterAliases.begin(), E = RegisterAliases.end(); I != E; ++I) {
for (std::set<Record*>::iterator ASI = I->second.begin(),
E = I->second.end(); ASI != E; ++ASI)
OS << getQualifiedName(*ASI) << ", ";
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 << " { \"";
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
if (!RegisterSubRegs[Reg.TheDef].empty())
OS << Reg.getName() << "_SubRegsSet,\t";
else
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I)
for (unsigned i = I->second.size(), e = maxLength; i != e; ++i)
I->second.push_back(-1);
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I)
for (unsigned i = I->second.size(), e = maxLength; i != e; ++i)
I->second.push_back(-1);
for (unsigned i = 0, e = maxLength; i != e; ++i) {
OS << " case " << i << ":\n"
<< " switch (RegNum) {\n"
<< " default:\n"
<< " assert(0 && \"Invalid RegNum\");\n"
<< " return -1;\n";
for (unsigned i = 0, e = maxLength; i != e; ++i) {
OS << " case " << i << ":\n"
<< " switch (RegNum) {\n"
<< " default:\n"
<< " assert(0 && \"Invalid RegNum\");\n"
<< " return -1;\n";
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I) {
int RegNo = I->second[i];
if (RegNo != -2)
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I) {
int RegNo = I->second[i];
if (RegNo != -2)