mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
1a55180238
- Sorry, I can't help myself. - No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74742 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===- InstrEnumEmitter.cpp - Generate Instruction Set Enums --------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This tablegen backend is responsible for emitting enums for each machine
|
|
// instruction.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "InstrEnumEmitter.h"
|
|
#include "CodeGenTarget.h"
|
|
#include "Record.h"
|
|
#include <cstdio>
|
|
using namespace llvm;
|
|
|
|
// runEnums - Print out enum values for all of the instructions.
|
|
void InstrEnumEmitter::run(raw_ostream &OS) {
|
|
EmitSourceFileHeader("Target Instruction Enum Values", OS);
|
|
OS << "namespace llvm {\n\n";
|
|
|
|
CodeGenTarget Target;
|
|
|
|
// We must emit the PHI opcode first...
|
|
std::string Namespace;
|
|
for (CodeGenTarget::inst_iterator II = Target.inst_begin(),
|
|
E = Target.inst_end(); II != E; ++II) {
|
|
if (II->second.Namespace != "TargetInstrInfo") {
|
|
Namespace = II->second.Namespace;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Namespace.empty()) {
|
|
fprintf(stderr, "No instructions defined!\n");
|
|
exit(1);
|
|
}
|
|
|
|
std::vector<const CodeGenInstruction*> NumberedInstructions;
|
|
Target.getInstructionsByEnumValue(NumberedInstructions);
|
|
|
|
OS << "namespace " << Namespace << " {\n";
|
|
OS << " enum {\n";
|
|
for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i) {
|
|
OS << " " << NumberedInstructions[i]->TheDef->getName()
|
|
<< "\t= " << i << ",\n";
|
|
}
|
|
OS << " INSTRUCTION_LIST_END = " << NumberedInstructions.size() << "\n";
|
|
OS << " };\n}\n";
|
|
OS << "} // End llvm namespace \n";
|
|
}
|