//===- 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 "Record.h"
-#include <ostream>
+#include "TableGenBackend.h"
+#include <vector>
+#include <string>
-struct CodeEmitterGen {
+namespace llvm {
+
+class RecordVal;
+class BitsInit;
+class CodeGenTarget;
+
+class CodeEmitterGen : public TableGenBackend {
RecordKeeper &Records;
-
public:
CodeEmitterGen(RecordKeeper &R) : Records(R) {}
-
- void createEmitter(std::ostream &o);
- void emitMachineOpEmitter(std::ostream &o, const std::string &Namespace);
- void emitGetValueBit(std::ostream &o, const std::string &Namespace);
+
+ // 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