Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 1 | //===- RegisterInfoEmitter.cpp - Generate a Register File Desc. -*- C++ -*-===// |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 2 | // |
John Criswell | 01d4582 | 2003-10-20 20:20:30 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file was developed by the LLVM research group and is distributed under |
| 6 | // the University of Illinois Open Source License. See LICENSE.TXT for details. |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 7 | // |
John Criswell | 01d4582 | 2003-10-20 20:20:30 +0000 | [diff] [blame] | 8 | //===----------------------------------------------------------------------===// |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 9 | // |
| 10 | // This tablegen backend is responsible for emitting a description of a target |
| 11 | // register file for a code generator. It uses instances of the Register, |
| 12 | // RegisterAliases, and RegisterClass classes to gather this information. |
| 13 | // |
| 14 | //===----------------------------------------------------------------------===// |
| 15 | |
| 16 | #include "RegisterInfoEmitter.h" |
Chris Lattner | 803a5f6 | 2004-08-01 04:04:35 +0000 | [diff] [blame] | 17 | #include "CodeGenTarget.h" |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 18 | #include "CodeGenRegisters.h" |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 19 | #include "Record.h" |
Reid Spencer | 551ccae | 2004-09-01 22:55:40 +0000 | [diff] [blame] | 20 | #include "llvm/ADT/StringExtras.h" |
| 21 | #include "llvm/ADT/STLExtras.h" |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 22 | #include <set> |
Chris Lattner | 2082ebe | 2004-08-01 03:55:39 +0000 | [diff] [blame] | 23 | using namespace llvm; |
Brian Gaeke | d0fde30 | 2003-11-11 22:41:34 +0000 | [diff] [blame] | 24 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 25 | // runEnums - Print out enum values for all of the registers. |
| 26 | void RegisterInfoEmitter::runEnums(std::ostream &OS) { |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 27 | CodeGenTarget Target; |
| 28 | const std::vector<CodeGenRegister> &Registers = Target.getRegisters(); |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 29 | |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 30 | std::string Namespace = Registers[0].TheDef->getValueAsString("Namespace"); |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 31 | |
Chris Lattner | 0e5e49e | 2003-08-06 04:36:35 +0000 | [diff] [blame] | 32 | EmitSourceFileHeader("Target Register Enum Values", OS); |
Chris Lattner | 2c38413 | 2004-08-17 03:08:28 +0000 | [diff] [blame] | 33 | OS << "namespace llvm {\n\n"; |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 34 | |
| 35 | if (!Namespace.empty()) |
| 36 | OS << "namespace " << Namespace << " {\n"; |
| 37 | OS << " enum {\n NoRegister,\n"; |
| 38 | |
| 39 | for (unsigned i = 0, e = Registers.size(); i != e; ++i) |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 40 | OS << " " << Registers[i].getName() << ", \t// " << i+1 << "\n"; |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 41 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 42 | OS << " };\n"; |
| 43 | if (!Namespace.empty()) |
| 44 | OS << "}\n"; |
Chris Lattner | 2c38413 | 2004-08-17 03:08:28 +0000 | [diff] [blame] | 45 | OS << "} // End llvm namespace \n"; |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 48 | void RegisterInfoEmitter::runHeader(std::ostream &OS) { |
Chris Lattner | 0e5e49e | 2003-08-06 04:36:35 +0000 | [diff] [blame] | 49 | EmitSourceFileHeader("Register Information Header Fragment", OS); |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 50 | CodeGenTarget Target; |
| 51 | const std::string &TargetName = Target.getName(); |
Chris Lattner | 38aa542 | 2003-08-06 21:47:14 +0000 | [diff] [blame] | 52 | std::string ClassName = TargetName + "GenRegisterInfo"; |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 53 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 54 | OS << "#include \"llvm/Target/MRegisterInfo.h\"\n\n"; |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 55 | |
Chris Lattner | 2c38413 | 2004-08-17 03:08:28 +0000 | [diff] [blame] | 56 | OS << "namespace llvm {\n\n"; |
| 57 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 58 | OS << "struct " << ClassName << " : public MRegisterInfo {\n" |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 59 | << " " << ClassName |
| 60 | << "(int CallFrameSetupOpcode = -1, int CallFrameDestroyOpcode = -1);\n" |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 61 | << " const unsigned* getCalleeSaveRegs() const;\n" |
| 62 | << "};\n\n"; |
Chris Lattner | 38aa542 | 2003-08-06 21:47:14 +0000 | [diff] [blame] | 63 | |
| 64 | std::vector<Record*> RegisterClasses = |
| 65 | Records.getAllDerivedDefinitions("RegisterClass"); |
| 66 | |
| 67 | OS << "namespace " << TargetName << " { // Register classes\n"; |
| 68 | for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) { |
| 69 | const std::string &Name = RegisterClasses[i]->getName(); |
Chris Lattner | c7df109 | 2003-08-15 04:36:19 +0000 | [diff] [blame] | 70 | if (Name.size() < 9 || Name[9] != '.') // Ignore anonymous classes |
Chris Lattner | 38aa542 | 2003-08-06 21:47:14 +0000 | [diff] [blame] | 71 | OS << " extern TargetRegisterClass *" << Name << "RegisterClass;\n"; |
| 72 | } |
| 73 | OS << "} // end of namespace " << TargetName << "\n\n"; |
Chris Lattner | 2c38413 | 2004-08-17 03:08:28 +0000 | [diff] [blame] | 74 | OS << "} // End llvm namespace \n"; |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 75 | } |
| 76 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 77 | // RegisterInfoEmitter::run - Main register file description emitter. |
| 78 | // |
| 79 | void RegisterInfoEmitter::run(std::ostream &OS) { |
Chris Lattner | 59b92ce | 2004-08-15 23:04:13 +0000 | [diff] [blame] | 80 | CodeGenTarget Target; |
Chris Lattner | 0e5e49e | 2003-08-06 04:36:35 +0000 | [diff] [blame] | 81 | EmitSourceFileHeader("Register Information Source Fragment", OS); |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 82 | |
Chris Lattner | 2c38413 | 2004-08-17 03:08:28 +0000 | [diff] [blame] | 83 | OS << "namespace llvm {\n\n"; |
| 84 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 85 | // Start out by emitting each of the register classes... to do this, we build |
| 86 | // a set of registers which belong to a register class, this is to ensure that |
| 87 | // each register is only in a single register class. |
| 88 | // |
Chris Lattner | 056afef | 2004-08-21 04:05:00 +0000 | [diff] [blame] | 89 | const std::vector<CodeGenRegisterClass> &RegisterClasses = |
| 90 | Target.getRegisterClasses(); |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 91 | |
| 92 | std::set<Record*> RegistersFound; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 93 | std::vector<std::string> RegClassNames; |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 94 | |
| 95 | // Loop over all of the register classes... emitting each one. |
| 96 | OS << "namespace { // Register classes...\n"; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 97 | |
Chris Lattner | 987b5cc | 2004-08-21 19:42:03 +0000 | [diff] [blame] | 98 | // RegClassesBelongedTo - Keep track of which register classes each reg |
| 99 | // belongs to. |
| 100 | std::multimap<Record*, const CodeGenRegisterClass*> RegClassesBelongedTo; |
| 101 | |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 102 | for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) { |
Chris Lattner | 056afef | 2004-08-21 04:05:00 +0000 | [diff] [blame] | 103 | const CodeGenRegisterClass &RC = RegisterClasses[rc]; |
Chris Lattner | c7df109 | 2003-08-15 04:36:19 +0000 | [diff] [blame] | 104 | |
Chris Lattner | 056afef | 2004-08-21 04:05:00 +0000 | [diff] [blame] | 105 | std::string Name = RC.getName(); |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 106 | if (Name.size() > 9 && Name[9] == '.') { |
Chris Lattner | c7d5802 | 2003-08-01 06:27:59 +0000 | [diff] [blame] | 107 | static unsigned AnonCounter = 0; |
| 108 | Name = "AnonRegClass_"+utostr(AnonCounter++); |
| 109 | } |
| 110 | |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 111 | RegClassNames.push_back(Name); |
| 112 | |
Chris Lattner | c7d5802 | 2003-08-01 06:27:59 +0000 | [diff] [blame] | 113 | // Emit the register list now... |
| 114 | OS << " // " << Name << " Register Class...\n const unsigned " << Name |
| 115 | << "[] = {\n "; |
Chris Lattner | 056afef | 2004-08-21 04:05:00 +0000 | [diff] [blame] | 116 | for (unsigned i = 0, e = RC.Elements.size(); i != e; ++i) { |
| 117 | Record *Reg = RC.Elements[i]; |
Chris Lattner | c7d5802 | 2003-08-01 06:27:59 +0000 | [diff] [blame] | 118 | if (RegistersFound.count(Reg)) |
| 119 | throw "Register '" + Reg->getName() + |
| 120 | "' included in multiple register classes!"; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 121 | RegistersFound.insert(Reg); |
| 122 | OS << getQualifiedName(Reg) << ", "; |
Chris Lattner | 987b5cc | 2004-08-21 19:42:03 +0000 | [diff] [blame] | 123 | |
| 124 | // Keep track of which regclasses this register is in. |
| 125 | RegClassesBelongedTo.insert(std::make_pair(Reg, &RC)); |
Chris Lattner | c7d5802 | 2003-08-01 06:27:59 +0000 | [diff] [blame] | 126 | } |
| 127 | OS << "\n };\n\n"; |
| 128 | |
| 129 | OS << " struct " << Name << "Class : public TargetRegisterClass {\n" |
| 130 | << " " << Name << "Class() : TargetRegisterClass(" |
Chris Lattner | 98df506 | 2004-08-21 20:00:36 +0000 | [diff] [blame] | 131 | << RC.SpillSize/8 << ", " << RC.SpillAlignment/8 << ", " << Name << ", " |
Chris Lattner | 5767775 | 2004-08-21 19:21:21 +0000 | [diff] [blame] | 132 | << Name << " + " << RC.Elements.size() << ") {}\n" |
Chris Lattner | 987b5cc | 2004-08-21 19:42:03 +0000 | [diff] [blame] | 133 | << RC.MethodDefinitions << " } " << Name << "Instance;\n\n"; |
Chris Lattner | 54d156d | 2003-08-01 05:59:20 +0000 | [diff] [blame] | 134 | } |
| 135 | |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 136 | OS << " const TargetRegisterClass* const RegisterClasses[] = {\n"; |
| 137 | for (unsigned i = 0, e = RegClassNames.size(); i != e; ++i) |
| 138 | OS << " &" << RegClassNames[i] << "Instance,\n"; |
| 139 | OS << " };\n"; |
| 140 | |
| 141 | // Emit register class aliases... |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 142 | std::map<Record*, std::set<Record*> > RegisterAliases; |
Chris Lattner | b228657 | 2004-09-14 04:17:02 +0000 | [diff] [blame] | 143 | const std::vector<CodeGenRegister> &Regs = Target.getRegisters(); |
Alkis Evlogimenos | 73ff512 | 2003-10-08 05:20:08 +0000 | [diff] [blame] | 144 | |
Chris Lattner | b228657 | 2004-09-14 04:17:02 +0000 | [diff] [blame] | 145 | for (unsigned i = 0, e = Regs.size(); i != e; ++i) { |
| 146 | Record *R = Regs[i].TheDef; |
| 147 | ListInit *LI = Regs[i].TheDef->getValueAsListInit("Aliases"); |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 148 | // Add information that R aliases all of the elements in the list... and |
| 149 | // that everything in the list aliases R. |
| 150 | for (unsigned j = 0, e = LI->getSize(); j != e; ++j) { |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 151 | DefInit *Reg = dynamic_cast<DefInit*>(LI->getElement(j)); |
| 152 | if (!Reg) throw "ERROR: Alias list element is not a def!"; |
| 153 | if (RegisterAliases[R].count(Reg->getDef())) |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 154 | std::cerr << "Warning: register alias between " << getQualifiedName(R) |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 155 | << " and " << getQualifiedName(Reg->getDef()) |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 156 | << " specified multiple times!\n"; |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 157 | RegisterAliases[R].insert(Reg->getDef()); |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 158 | |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 159 | if (RegisterAliases[Reg->getDef()].count(R)) |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 160 | std::cerr << "Warning: register alias between " << getQualifiedName(R) |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 161 | << " and " << getQualifiedName(Reg->getDef()) |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 162 | << " specified multiple times!\n"; |
Chris Lattner | 13c5b4c | 2003-08-03 18:17:54 +0000 | [diff] [blame] | 163 | RegisterAliases[Reg->getDef()].insert(R); |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 164 | } |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 165 | } |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 166 | |
| 167 | if (!RegisterAliases.empty()) |
| 168 | OS << "\n\n // Register Alias Sets...\n"; |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 169 | |
Alkis Evlogimenos | 73ff512 | 2003-10-08 05:20:08 +0000 | [diff] [blame] | 170 | // Emit the empty alias list |
| 171 | OS << " const unsigned Empty_AliasSet[] = { 0 };\n"; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 172 | // Loop over all of the registers which have aliases, emitting the alias list |
| 173 | // to memory. |
| 174 | for (std::map<Record*, std::set<Record*> >::iterator |
| 175 | I = RegisterAliases.begin(), E = RegisterAliases.end(); I != E; ++I) { |
| 176 | OS << " const unsigned " << I->first->getName() << "_AliasSet[] = { "; |
| 177 | for (std::set<Record*>::iterator ASI = I->second.begin(), |
| 178 | E = I->second.end(); ASI != E; ++ASI) |
| 179 | OS << getQualifiedName(*ASI) << ", "; |
| 180 | OS << "0 };\n"; |
| 181 | } |
| 182 | |
| 183 | OS << "\n const MRegisterDesc RegisterDescriptors[] = { // Descriptors\n"; |
| 184 | OS << " { \"NOREG\",\t0,\t\t0,\t0 },\n"; |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 185 | |
| 186 | |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 187 | // Now that register alias sets have been emitted, emit the register |
| 188 | // descriptors now. |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 189 | const std::vector<CodeGenRegister> &Registers = Target.getRegisters(); |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 190 | for (unsigned i = 0, e = Registers.size(); i != e; ++i) { |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 191 | const CodeGenRegister &Reg = Registers[i]; |
Chris Lattner | a8af779 | 2003-08-03 22:14:50 +0000 | [diff] [blame] | 192 | OS << " { \""; |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 193 | if (!Reg.TheDef->getValueAsString("Name").empty()) |
| 194 | OS << Reg.TheDef->getValueAsString("Name"); |
Chris Lattner | a8af779 | 2003-08-03 22:14:50 +0000 | [diff] [blame] | 195 | else |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 196 | OS << Reg.getName(); |
Chris Lattner | a8af779 | 2003-08-03 22:14:50 +0000 | [diff] [blame] | 197 | OS << "\",\t"; |
Chris Lattner | 2669311 | 2004-08-16 01:10:21 +0000 | [diff] [blame] | 198 | if (RegisterAliases.count(Reg.TheDef)) |
| 199 | OS << Reg.getName() << "_AliasSet,\t"; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 200 | else |
Alkis Evlogimenos | 73ff512 | 2003-10-08 05:20:08 +0000 | [diff] [blame] | 201 | OS << "Empty_AliasSet,\t"; |
Chris Lattner | 987b5cc | 2004-08-21 19:42:03 +0000 | [diff] [blame] | 202 | |
| 203 | // Figure out what the size and alignment of the spill slots are for this |
| 204 | // reg. This may be explicitly declared in the register, or it may be |
| 205 | // inferred from the register classes it is part of. |
| 206 | std::multimap<Record*, const CodeGenRegisterClass*>::iterator I, E; |
| 207 | tie(I, E) = RegClassesBelongedTo.equal_range(Reg.TheDef); |
| 208 | unsigned SpillSize = Reg.DeclaredSpillSize; |
| 209 | unsigned SpillAlign = Reg.DeclaredSpillAlignment; |
| 210 | for (; I != E; ++I) { // For each reg class this belongs to. |
| 211 | const CodeGenRegisterClass *RC = I->second; |
| 212 | if (SpillSize == 0) |
| 213 | SpillSize = RC->SpillSize; |
| 214 | else if (SpillSize != RC->SpillSize) |
| 215 | throw "Spill size for regclass '" + RC->getName() + |
| 216 | "' doesn't match spill sized already inferred for register '" + |
| 217 | Reg.getName() + "'!"; |
| 218 | if (SpillAlign == 0) |
| 219 | SpillAlign = RC->SpillAlignment; |
| 220 | else if (SpillAlign != RC->SpillAlignment) |
| 221 | throw "Spill alignment for regclass '" + RC->getName() + |
| 222 | "' doesn't match spill sized already inferred for register '" + |
| 223 | Reg.getName() + "'!"; |
| 224 | } |
| 225 | |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 226 | OS << SpillSize << ", " << SpillAlign << " },\n"; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 227 | } |
| 228 | OS << " };\n"; // End of register descriptors... |
| 229 | OS << "}\n\n"; // End of anonymous namespace... |
| 230 | |
Chris Lattner | 7884b75 | 2003-08-07 05:39:09 +0000 | [diff] [blame] | 231 | OS << "namespace " << Target.getName() << " { // Register classes\n"; |
Chris Lattner | 38aa542 | 2003-08-06 21:47:14 +0000 | [diff] [blame] | 232 | for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i) { |
Chris Lattner | 056afef | 2004-08-21 04:05:00 +0000 | [diff] [blame] | 233 | const std::string &Name = RegisterClasses[i].getName(); |
Chris Lattner | 38aa542 | 2003-08-06 21:47:14 +0000 | [diff] [blame] | 234 | if (Name.size() < 9 || Name[9] != '.') // Ignore anonymous classes |
| 235 | OS << " TargetRegisterClass *" << Name << "RegisterClass = &" |
| 236 | << Name << "Instance;\n"; |
| 237 | } |
Chris Lattner | 7884b75 | 2003-08-07 05:39:09 +0000 | [diff] [blame] | 238 | OS << "} // end of namespace " << Target.getName() << "\n\n"; |
Chris Lattner | 38aa542 | 2003-08-06 21:47:14 +0000 | [diff] [blame] | 239 | |
| 240 | |
| 241 | |
Chris Lattner | 7884b75 | 2003-08-07 05:39:09 +0000 | [diff] [blame] | 242 | std::string ClassName = Target.getName() + "GenRegisterInfo"; |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 243 | |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 244 | // Emit the constructor of the class... |
| 245 | OS << ClassName << "::" << ClassName |
| 246 | << "(int CallFrameSetupOpcode, int CallFrameDestroyOpcode)\n" |
| 247 | << " : MRegisterInfo(RegisterDescriptors, " << Registers.size()+1 |
| 248 | << ", RegisterClasses, RegisterClasses+" << RegClassNames.size() << ",\n " |
| 249 | << " CallFrameSetupOpcode, CallFrameDestroyOpcode) {}\n\n"; |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 250 | |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 251 | // Emit the getCalleeSaveRegs method... |
| 252 | OS << "const unsigned* " << ClassName << "::getCalleeSaveRegs() const {\n" |
| 253 | << " static const unsigned CalleeSaveRegs[] = {\n "; |
| 254 | |
Chris Lattner | 7884b75 | 2003-08-07 05:39:09 +0000 | [diff] [blame] | 255 | const std::vector<Record*> &CSR = Target.getCalleeSavedRegisters(); |
| 256 | for (unsigned i = 0, e = CSR.size(); i != e; ++i) |
Misha Brukman | 3da94ae | 2005-04-22 00:00:37 +0000 | [diff] [blame^] | 257 | OS << getQualifiedName(CSR[i]) << ", "; |
Chris Lattner | 9fff891 | 2003-08-03 13:52:02 +0000 | [diff] [blame] | 258 | OS << " 0\n };\n return CalleeSaveRegs;\n}\n\n"; |
Chris Lattner | 2c38413 | 2004-08-17 03:08:28 +0000 | [diff] [blame] | 259 | OS << "} // End llvm namespace \n"; |
Chris Lattner | 3112326 | 2003-08-01 04:38:38 +0000 | [diff] [blame] | 260 | } |