-void AsmWriterEmitter::EmitGetInstructionName(raw_ostream &O) {
- CodeGenTarget Target(Records);
- Record *AsmWriter = Target.getAsmWriter();
- std::string ClassName = AsmWriter->getValueAsString("AsmWriterClassName");
-
- const std::vector<const CodeGenInstruction*> &NumberedInstructions =
- Target.getInstructionsByEnumValue();
-
- O <<
-"\n\n#ifdef GET_INSTRUCTION_NAME\n"
-"#undef GET_INSTRUCTION_NAME\n\n"
-"/// getInstructionName: This method is automatically generated by tblgen\n"
-"/// from the instruction set description. This returns the enum name of the\n"
-"/// specified instruction.\n"
- << "const char *" << Target.getName() << ClassName
- << "::getInstructionName(unsigned Opcode) {\n"
- << " assert(Opcode < " << NumberedInstructions.size()
- << " && \"Invalid instruction number!\");\n"
- << "\n";
-
- SequenceToOffsetTable<std::string> StringTable;
- for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
- const CodeGenInstruction &Inst = *NumberedInstructions[i];
- StringTable.add(Inst.TheDef->getName());
- }
-
- StringTable.layout();
- O << " static const char Strs[] = {\n";
- StringTable.emit(O, printChar);
- O << " };\n\n";
-
- O << " static const unsigned InstAsmOffset[] = {";
- for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
- const CodeGenInstruction &Inst = *NumberedInstructions[i];
-
- std::string AsmName = Inst.TheDef->getName();
- if ((i % 14) == 0)
- O << "\n ";
-
- O << StringTable.get(AsmName) << ", ";
- }
- O << " };\n"
- << "\n";
-
- O << " return Strs+InstAsmOffset[Opcode];\n"
- << "}\n\n#endif\n";
-}
-