diff options
Diffstat (limited to 'lib/Bitcode/Reader/BitcodeReader.h')
-rw-r--r-- | lib/Bitcode/Reader/BitcodeReader.h | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.h b/lib/Bitcode/Reader/BitcodeReader.h index 952d645a4c..ad7baa732d 100644 --- a/lib/Bitcode/Reader/BitcodeReader.h +++ b/lib/Bitcode/Reader/BitcodeReader.h @@ -126,8 +126,11 @@ class BitcodeReader : public GVMaterializer { Module *TheModule; MemoryBuffer *Buffer; bool BufferOwned; - BitstreamReader StreamFile; + OwningPtr<BitstreamReader> StreamFile; BitstreamCursor Stream; + DataStreamer *LazyStreamer; + uint64_t NextUnreadBit; + bool SeenValueSymbolTable; const char *ErrorString; @@ -161,9 +164,10 @@ class BitcodeReader : public GVMaterializer { // Map the bitcode's custom MDKind ID to the Module's MDKind ID. DenseMap<unsigned, unsigned> MDKindMap; - // After the module header has been read, the FunctionsWithBodies list is - // reversed. This keeps track of whether we've done this yet. - bool HasReversedFunctionsWithBodies; + // Several operations happen after the module header has been read, but + // before function bodies are processed. This keeps track of whether + // we've done this yet. + bool SeenFirstFunctionBody; /// DeferredFunctionInfo - When function bodies are initially scanned, this /// map contains info about where to find deferred function body in the @@ -178,8 +182,13 @@ class BitcodeReader : public GVMaterializer { public: explicit BitcodeReader(MemoryBuffer *buffer, LLVMContext &C) : Context(C), TheModule(0), Buffer(buffer), BufferOwned(false), - ErrorString(0), ValueList(C), MDValueList(C) { - HasReversedFunctionsWithBodies = false; + LazyStreamer(0), SeenValueSymbolTable(false), ErrorString(0), + ValueList(C), MDValueList(C), SeenFirstFunctionBody(false) { + } + explicit BitcodeReader(DataStreamer *streamer, LLVMContext &C) + : Context(C), TheModule(0), Buffer(0), BufferOwned(false), + LazyStreamer(streamer), SeenValueSymbolTable(false), ErrorString(0), + ValueList(C), MDValueList(C), SeenFirstFunctionBody(false) { } ~BitcodeReader() { FreeState(); @@ -258,7 +267,7 @@ private: } - bool ParseModule(); + bool ParseModule(bool Resume); bool ParseAttributeBlock(); bool ParseTypeTable(); bool ParseTypeTableBody(); @@ -267,11 +276,17 @@ private: bool ParseConstants(); bool RememberAndSkipFunctionBody(); bool ParseFunctionBody(Function *F); + bool GlobalCleanup(); bool ResolveGlobalAndAliasInits(); bool ParseMetadata(); bool ParseMetadataAttachment(); bool ParseModuleTriple(std::string &Triple); bool ParseUseLists(); + bool InitStream(); + bool InitStreamFromBuffer(); + bool InitLazyStream(); + bool FindFunctionInStream(Function *F, + DenseMap<Function*, uint64_t>::iterator DeferredFunctionInfoIterator); }; } // End llvm namespace |