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9208e7b6ba
clang was needlessly duplicating whole memory buffer contents in an attempt to satisfy unclear ownership semantics. Let's just hide internal LLVM quirks and present a simple non-owning interface. The public C API preserves previous behaviour for stability. llvm-svn: 211861
56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
//===---- llvm/IRReader/IRReader.h - Reader for LLVM IR 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 file defines functions for reading LLVM IR. They support both
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// Bitcode and Assembly, automatically detecting the input format.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IRREADER_IRREADER_H
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#define LLVM_IRREADER_IRREADER_H
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#include <string>
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namespace llvm {
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class Module;
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class MemoryBuffer;
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class SMDiagnostic;
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class LLVMContext;
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/// If the given MemoryBuffer holds a bitcode image, return a Module for it
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/// which does lazy deserialization of function bodies. Otherwise, attempt to
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/// parse it as LLVM Assembly and return a fully populated Module. This
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/// function *always* takes ownership of the given MemoryBuffer.
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Module *getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err,
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LLVMContext &Context);
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/// If the given file holds a bitcode image, return a Module
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/// for it which does lazy deserialization of function bodies. Otherwise,
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/// attempt to parse it as LLVM Assembly and return a fully populated
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/// Module.
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Module *getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err,
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LLVMContext &Context);
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/// If the given MemoryBuffer holds a bitcode image, return a Module
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/// for it. Otherwise, attempt to parse it as LLVM Assembly and return
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/// a Module for it. This function *never* takes ownership of Buffer.
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Module *ParseIR(const MemoryBuffer *Buffer, SMDiagnostic &Err,
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LLVMContext &Context);
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/// If the given file holds a bitcode image, return a Module for it.
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/// Otherwise, attempt to parse it as LLVM Assembly and return a Module
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/// for it.
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Module *ParseIRFile(const std::string &Filename, SMDiagnostic &Err,
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LLVMContext &Context);
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}
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#endif
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