1 //===- BitReader_3_0.h - Internal BitcodeReader 3.0 impl --------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This header defines the BitcodeReader class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef BITREADER_3_0_H 15 #define BITREADER_3_0_H 16 17 #include "llvm/ADT/DenseMap.h" 18 #include "llvm/Bitcode/BitstreamReader.h" 19 #include "llvm/Bitcode/LLVMBitCodes.h" 20 #include "llvm/IR/Attributes.h" 21 #include "llvm/IR/DiagnosticInfo.h" 22 #include "llvm/IR/GVMaterializer.h" 23 #include "llvm/IR/OperandTraits.h" 24 #include "llvm/IR/Type.h" 25 #include "llvm/IR/ValueHandle.h" 26 #include "llvm/Support/ErrorOr.h" 27 #include <string> 28 29 namespace llvm { 30 class LLVMContext; 31 class MemoryBuffer; 32 class MemoryBufferRef; 33 class Module; 34 } // End llvm namespace 35 36 namespace llvm_3_0 { 37 38 using llvm::DiagnosticHandlerFunction; 39 using llvm::LLVMContext; 40 using llvm::MemoryBuffer; 41 using llvm::MemoryBufferRef; 42 43 44 /// Read the header of the specified bitcode buffer and prepare for lazy 45 /// deserialization of function bodies. If successful, this moves Buffer. On 46 /// error, this *does not* move Buffer. 47 llvm::ErrorOr<llvm::Module *> 48 getLazyBitcodeModule(std::unique_ptr<MemoryBuffer> &&Buffer, 49 LLVMContext &Context, 50 const DiagnosticHandlerFunction &DiagnosticHandler = nullptr); 51 52 /// Read the header of the specified bitcode buffer and extract just the 53 /// triple information. If successful, this returns a string. On error, this 54 /// returns "". 55 std::string 56 getBitcodeTargetTriple(MemoryBufferRef Buffer, LLVMContext &Context, 57 DiagnosticHandlerFunction DiagnosticHandler = nullptr); 58 59 /// Read the specified bitcode file, returning the module. 60 llvm::ErrorOr<llvm::Module *> 61 parseBitcodeFile(MemoryBufferRef Buffer, LLVMContext &Context, 62 const DiagnosticHandlerFunction &DiagnosticHandler = nullptr); 63 } // End llvm_3_0 namespace 64 65 #endif 66
