mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
01246536d9
This is the first step towards splitting LLVM and Clang's tblgen executables. llvm-svn: 140951
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//===- CodeEmitterGen.h - Code Emitter Generator ----------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// FIXME: document
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef CODEMITTERGEN_H
|
|
#define CODEMITTERGEN_H
|
|
|
|
#include "llvm/TableGen/TableGenBackend.h"
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
namespace llvm {
|
|
|
|
class RecordVal;
|
|
class BitsInit;
|
|
class CodeGenTarget;
|
|
|
|
class CodeEmitterGen : public TableGenBackend {
|
|
RecordKeeper &Records;
|
|
public:
|
|
CodeEmitterGen(RecordKeeper &R) : Records(R) {}
|
|
|
|
// run - Output the code emitter
|
|
void run(raw_ostream &o);
|
|
private:
|
|
void emitMachineOpEmitter(raw_ostream &o, const std::string &Namespace);
|
|
void emitGetValueBit(raw_ostream &o, const std::string &Namespace);
|
|
void reverseBits(std::vector<Record*> &Insts);
|
|
int getVariableBit(const std::string &VarName, BitsInit *BI, int bit);
|
|
std::string getInstructionCase(Record *R, CodeGenTarget &Target);
|
|
void
|
|
AddCodeToMergeInOperand(Record *R, BitsInit *BI, const std::string &VarName,
|
|
unsigned &NumberedOp,
|
|
std::string &Case, CodeGenTarget &Target);
|
|
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|