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Diffstat (limited to 'contrib/llvm/utils/TableGen/AsmWriterEmitter.h')
-rw-r--r-- | contrib/llvm/utils/TableGen/AsmWriterEmitter.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/llvm/utils/TableGen/AsmWriterEmitter.h b/contrib/llvm/utils/TableGen/AsmWriterEmitter.h new file mode 100644 index 0000000..9f7d776 --- /dev/null +++ b/contrib/llvm/utils/TableGen/AsmWriterEmitter.h @@ -0,0 +1,54 @@ +//===- AsmWriterEmitter.h - Generate an assembly writer ---------*- C++ -*-===// +// +// 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 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(raw_ostream &o); + +private: + void EmitPrintInstruction(raw_ostream &o); + void EmitGetRegisterName(raw_ostream &o); + void EmitGetInstructionName(raw_ostream &o); + + 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 |