- O << "\n };\n";
- O << "} // end anonymous namespace\n\n";
-
- // Emit a function that returns 'true' if a regsiter is part of a particular
- // register class. I.e., RAX is part of GR64 on X86.
- O << "static bool regIsInRegisterClass"
- << "(unsigned RegClass, unsigned Reg) {\n";
-
- // Emit the switch that checks if a register belongs to a particular register
- // class.
- O << " switch (RegClass) {\n";
- O << " default: break;\n";
-
- for (unsigned I = 0, E = RegisterClasses.size(); I != E; ++I) {
- const CodeGenRegisterClass &RC = RegisterClasses[I];
-
- // Give the register class a legal C name if it's anonymous.
- std::string Name = RC.TheDef->getName();
- O << " case RC_" << Name << ":\n";
-
- // Emit the register list now.
- unsigned IE = RC.Elements.size();
- if (IE == 1) {
- O << " if (Reg == " << getQualifiedName(RC.Elements[0]) << ")\n";
- O << " return true;\n";
- } else {
- O << " switch (Reg) {\n";
- O << " default: break;\n";
-
- for (unsigned II = 0; II != IE; ++II) {
- Record *Reg = RC.Elements[II];
- O << " case " << getQualifiedName(Reg) << ":\n";
- }
-
- O << " return true;\n";
- O << " }\n";
- }
-
- O << " break;\n";
- }
-
- O << " }\n\n";
- O << " return false;\n";
- O << "}\n\n";