mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-05 13:29:22 +00:00
96c1ade5c3
series of identical commands, handle them all with one switch. In the case of the x86 at&t asm printer, only 3 switches are needed for all instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29184 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
//===- AsmWriterEmitter.h - Generate an assembly writer ---------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This tablegen backend is responsible for emitting an assembly printer for the
|
|
// code generator.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef ASMWRITER_EMITTER_H
|
|
#define ASMWRITER_EMITTER_H
|
|
|
|
#include "TableGenBackend.h"
|
|
#include <map>
|
|
#include <vector>
|
|
#include <cassert>
|
|
|
|
namespace llvm {
|
|
class AsmWriterInst;
|
|
class CodeGenInstruction;
|
|
|
|
class AsmWriterEmitter : public TableGenBackend {
|
|
RecordKeeper &Records;
|
|
std::map<const CodeGenInstruction*, AsmWriterInst*> CGIAWIMap;
|
|
std::vector<const CodeGenInstruction*> NumberedInstructions;
|
|
public:
|
|
AsmWriterEmitter(RecordKeeper &R) : Records(R) {}
|
|
|
|
// run - Output the asmwriter, returning true on failure.
|
|
void run(std::ostream &o);
|
|
|
|
private:
|
|
AsmWriterInst *getAsmWriterInstByID(unsigned ID) const {
|
|
assert(ID < NumberedInstructions.size());
|
|
std::map<const CodeGenInstruction*, AsmWriterInst*>::const_iterator I =
|
|
CGIAWIMap.find(NumberedInstructions[ID]);
|
|
assert(I != CGIAWIMap.end() && "Didn't find inst!");
|
|
return I->second;
|
|
}
|
|
void FindUniqueOperandCommands(std::vector<std::string> &UOC,
|
|
std::vector<unsigned> &InstIdxs,
|
|
std::vector<unsigned> &InstOpsUsed) const;
|
|
};
|
|
}
|
|
#endif
|