X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeEmitterGen.h;h=a874d970feac6c4116a31bb1ddc1bf365196b18d;hb=234823297e0fc0babddd2ab84054bf68f64a54d1;hp=098816a1442ae98ed3cc9e268939f49282750f81;hpb=1cb65f2d6202bbfcea0a764ab1356cb574ef4d20;p=oota-llvm.git diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h index 098816a1442..a874d970fea 100644 --- a/utils/TableGen/CodeEmitterGen.h +++ b/utils/TableGen/CodeEmitterGen.h @@ -1,23 +1,49 @@ //===- 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 +#include "TableGenBackend.h" +#include +#include -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 &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