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82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
//===-- llvm/Assembly/Writer.h - Printer for LLVM assembly files --*- C++ -*-=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This functionality is implemented by lib/VMCore/AsmWriter.cpp.
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// This library is used to print LLVM assembly language files to an iostream. It
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// can print LLVM code at a variety of granularities, including Modules,
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// BasicBlocks, and Instructions. This makes it useful for debugging.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ASSEMBLY_WRITER_H
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#define LLVM_ASSEMBLY_WRITER_H
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#include <iosfwd>
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#include <string>
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namespace llvm {
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class Type;
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class Module;
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class Value;
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class raw_ostream;
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template <typename T> class SmallVectorImpl;
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/// TypePrinting - Type printing machinery.
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class TypePrinting {
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void *TypeNames; // A map to remember type names.
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TypePrinting(const TypePrinting &); // DO NOT IMPLEMENT
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void operator=(const TypePrinting&); // DO NOT IMPLEMENT
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public:
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TypePrinting();
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~TypePrinting();
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void clear();
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void print(const Type *Ty, raw_ostream &OS, bool IgnoreTopLevelName = false);
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void printAtLeastOneLevel(const Type *Ty, raw_ostream &OS) {
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print(Ty, OS, true);
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}
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/// hasTypeName - Return true if the type has a name in TypeNames, false
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/// otherwise.
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bool hasTypeName(const Type *Ty) const;
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/// addTypeName - Add a name for the specified type if it doesn't already have
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/// one. This name will be printed instead of the structural version of the
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/// type in order to make the output more concise.
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void addTypeName(const Type *Ty, const std::string &N);
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private:
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void CalcTypeName(const Type *Ty, SmallVectorImpl<const Type *> &TypeStack,
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raw_ostream &OS, bool IgnoreTopLevelName = false);
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};
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// WriteTypeSymbolic - This attempts to write the specified type as a symbolic
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// type, if there is an entry in the Module's symbol table for the specified
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// type or one of its component types.
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//
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void WriteTypeSymbolic(raw_ostream &, const Type *, const Module *M);
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// WriteAsOperand - Write the name of the specified value out to the specified
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// ostream. This can be useful when you just want to print int %reg126, not the
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// whole instruction that generated it. If you specify a Module for context,
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// then even constants get pretty-printed; for example, the type of a null
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// pointer is printed symbolically.
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//
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void WriteAsOperand(std::ostream &, const Value *, bool PrintTy = true,
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const Module *Context = 0);
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void WriteAsOperand(raw_ostream &, const Value *, bool PrintTy = true,
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const Module *Context = 0);
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} // End llvm namespace
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#endif
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