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1 //===- BitcodeReader.h - Internal BitcodeReader impl ------------*- C++ -*-===// | 1 //===- BitcodeReader.h - Internal BitcodeReader impl ------------*- C++ -*-===// |
2 // | 2 // |
3 // The LLVM Compiler Infrastructure | 3 // The LLVM Compiler Infrastructure |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This header defines the BitcodeReader class. | 10 // This header defines the BitcodeReader class. |
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119 | 119 |
120 Value *getValueFwdRef(unsigned Idx); | 120 Value *getValueFwdRef(unsigned Idx); |
121 void AssignValue(Value *V, unsigned Idx); | 121 void AssignValue(Value *V, unsigned Idx); |
122 }; | 122 }; |
123 | 123 |
124 class BitcodeReader : public GVMaterializer { | 124 class BitcodeReader : public GVMaterializer { |
125 LLVMContext &Context; | 125 LLVMContext &Context; |
126 Module *TheModule; | 126 Module *TheModule; |
127 MemoryBuffer *Buffer; | 127 MemoryBuffer *Buffer; |
128 bool BufferOwned; | 128 bool BufferOwned; |
129 BitstreamReader StreamFile; | 129 OwningPtr<BitstreamReader> StreamFile; |
130 BitstreamCursor Stream; | 130 BitstreamCursor Stream; |
131 BitcodeStreamer* LazyStreamer; | |
nlewycky
2011/11/05 00:45:06
* on the right
(google.com) Derek Schuff
2011/11/07 22:33:50
Done.
| |
131 | 132 |
132 const char *ErrorString; | 133 const char *ErrorString; |
133 | 134 |
134 std::vector<Type*> TypeList; | 135 std::vector<Type*> TypeList; |
135 BitcodeReaderValueList ValueList; | 136 BitcodeReaderValueList ValueList; |
136 BitcodeReaderMDValueList MDValueList; | 137 BitcodeReaderMDValueList MDValueList; |
137 SmallVector<Instruction *, 64> InstructionList; | 138 SmallVector<Instruction *, 64> InstructionList; |
138 | 139 |
139 std::vector<std::pair<GlobalVariable*, unsigned> > GlobalInits; | 140 std::vector<std::pair<GlobalVariable*, unsigned> > GlobalInits; |
140 std::vector<std::pair<GlobalAlias*, unsigned> > AliasInits; | 141 std::vector<std::pair<GlobalAlias*, unsigned> > AliasInits; |
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167 /// DeferredFunctionInfo - When function bodies are initially scanned, this | 168 /// DeferredFunctionInfo - When function bodies are initially scanned, this |
168 /// map contains info about where to find deferred function body in the | 169 /// map contains info about where to find deferred function body in the |
169 /// stream. | 170 /// stream. |
170 DenseMap<Function*, uint64_t> DeferredFunctionInfo; | 171 DenseMap<Function*, uint64_t> DeferredFunctionInfo; |
171 | 172 |
172 /// BlockAddrFwdRefs - These are blockaddr references to basic blocks. These | 173 /// BlockAddrFwdRefs - These are blockaddr references to basic blocks. These |
173 /// are resolved lazily when functions are loaded. | 174 /// are resolved lazily when functions are loaded. |
174 typedef std::pair<unsigned, GlobalVariable*> BlockAddrRefTy; | 175 typedef std::pair<unsigned, GlobalVariable*> BlockAddrRefTy; |
175 DenseMap<Function*, std::vector<BlockAddrRefTy> > BlockAddrFwdRefs; | 176 DenseMap<Function*, std::vector<BlockAddrRefTy> > BlockAddrFwdRefs; |
176 | 177 |
178 | |
179 | |
nlewycky
2011/11/05 00:45:06
Why the two new blank lines? Please minimize your
(google.com) Derek Schuff
2011/11/07 22:33:50
Done.
| |
177 public: | 180 public: |
178 explicit BitcodeReader(MemoryBuffer *buffer, LLVMContext &C) | 181 explicit BitcodeReader(MemoryBuffer *buffer, LLVMContext &C) |
179 : Context(C), TheModule(0), Buffer(buffer), BufferOwned(false), | 182 : Context(C), TheModule(0), Buffer(buffer), BufferOwned(false), |
180 ErrorString(0), ValueList(C), MDValueList(C) { | 183 LazyStreamer(0), ErrorString(0), ValueList(C), MDValueList(C) { |
184 HasReversedFunctionsWithBodies = false; | |
185 } | |
186 explicit BitcodeReader(BitcodeStreamer* streamer, LLVMContext &C) | |
nlewycky
2011/11/05 00:45:06
* on the right
(google.com) Derek Schuff
2011/11/07 22:33:50
Done.
| |
187 : Context(C), TheModule(0), Buffer(0), BufferOwned(false), | |
188 LazyStreamer(streamer), ErrorString(0), ValueList(C), MDValueList(C) { | |
181 HasReversedFunctionsWithBodies = false; | 189 HasReversedFunctionsWithBodies = false; |
182 } | 190 } |
183 ~BitcodeReader() { | 191 ~BitcodeReader() { |
184 FreeState(); | 192 FreeState(); |
185 } | 193 } |
186 | 194 |
187 void FreeState(); | 195 void FreeState(); |
188 | 196 |
189 /// setBufferOwned - If this is true, the reader will destroy the MemoryBuffer | 197 /// setBufferOwned - If this is true, the reader will destroy the MemoryBuffer |
190 /// when the reader is destroyed. | 198 /// when the reader is destroyed. |
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264 | 272 |
265 bool ParseOldTypeSymbolTable(); // FIXME: Remove in LLVM 3.1 | 273 bool ParseOldTypeSymbolTable(); // FIXME: Remove in LLVM 3.1 |
266 bool ParseValueSymbolTable(); | 274 bool ParseValueSymbolTable(); |
267 bool ParseConstants(); | 275 bool ParseConstants(); |
268 bool RememberAndSkipFunctionBody(); | 276 bool RememberAndSkipFunctionBody(); |
269 bool ParseFunctionBody(Function *F); | 277 bool ParseFunctionBody(Function *F); |
270 bool ResolveGlobalAndAliasInits(); | 278 bool ResolveGlobalAndAliasInits(); |
271 bool ParseMetadata(); | 279 bool ParseMetadata(); |
272 bool ParseMetadataAttachment(); | 280 bool ParseMetadataAttachment(); |
273 bool ParseModuleTriple(std::string &Triple); | 281 bool ParseModuleTriple(std::string &Triple); |
282 bool InitStream(); | |
283 bool InitStreamFromBuffer(); | |
284 bool InitLazyStream(); | |
274 }; | 285 }; |
275 | 286 |
276 } // End llvm namespace | 287 } // End llvm namespace |
277 | 288 |
278 #endif | 289 #endif |
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