aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/Archive/Archive.cpp43
-rw-r--r--lib/Archive/ArchiveInternals.h10
-rw-r--r--lib/Archive/ArchiveReader.cpp38
-rw-r--r--lib/Archive/ArchiveWriter.cpp12
-rw-r--r--lib/AsmParser/LLParser.cpp1
-rw-r--r--lib/Bitcode/Reader/BitReader.cpp8
-rw-r--r--lib/Bitcode/Reader/BitcodeReader.cpp133
-rw-r--r--lib/Bitcode/Reader/BitcodeReader.h37
-rw-r--r--lib/Bitcode/Writer/BitcodeWriter.cpp1
-rw-r--r--lib/ExecutionEngine/ExecutionEngine.cpp69
-rw-r--r--lib/ExecutionEngine/ExecutionEngineBindings.cpp14
-rw-r--r--lib/ExecutionEngine/Interpreter/Interpreter.cpp13
-rw-r--r--lib/ExecutionEngine/Interpreter/Interpreter.h4
-rw-r--r--lib/ExecutionEngine/JIT/JIT.cpp99
-rw-r--r--lib/ExecutionEngine/JIT/JIT.h37
-rw-r--r--lib/ExecutionEngine/JIT/JITEmitter.cpp2
-rw-r--r--lib/ExecutionEngine/JIT/TargetSelect.cpp7
-rw-r--r--lib/Linker/LinkArchives.cpp21
-rw-r--r--lib/Target/ARM/ARMSubtarget.cpp6
-rw-r--r--lib/Target/CppBackend/CPPBackend.cpp2
-rw-r--r--lib/Target/PowerPC/PPCSubtarget.cpp2
-rw-r--r--lib/Target/X86/X86Subtarget.cpp4
-rw-r--r--lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp2
-rw-r--r--lib/Transforms/IPO/MergeFunctions.cpp1
-rw-r--r--lib/VMCore/AsmWriter.cpp2
-rw-r--r--lib/VMCore/Core.cpp12
-rw-r--r--lib/VMCore/GVMaterializer.cpp18
-rw-r--r--lib/VMCore/Globals.cpp13
-rw-r--r--lib/VMCore/Module.cpp49
-rw-r--r--lib/VMCore/ModuleProvider.cpp26
-rw-r--r--lib/VMCore/Pass.cpp1
-rw-r--r--lib/VMCore/PassManager.cpp11
-rw-r--r--lib/VMCore/Verifier.cpp13
33 files changed, 310 insertions, 401 deletions
diff --git a/lib/Archive/Archive.cpp b/lib/Archive/Archive.cpp
index 00778d9983..f4f8a4349e 100644
--- a/lib/Archive/Archive.cpp
+++ b/lib/Archive/Archive.cpp
@@ -14,7 +14,6 @@
#include "ArchiveInternals.h"
#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/ModuleProvider.h"
#include "llvm/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/System/Process.h"
@@ -173,8 +172,8 @@ void Archive::cleanUpMemory() {
foreignST = 0;
}
- // Delete any ModuleProviders and ArchiveMember's we've allocated as a result
- // of symbol table searches.
+ // Delete any Modules and ArchiveMember's we've allocated as a result of
+ // symbol table searches.
for (ModuleMap::iterator I=modules.begin(), E=modules.end(); I != E; ++I ) {
delete I->second.first;
delete I->second.second;
@@ -221,51 +220,37 @@ bool llvm::GetBitcodeSymbols(const sys::Path& fName,
return true;
}
- ModuleProvider *MP = getBitcodeModuleProvider(Buffer.get(), Context, ErrMsg);
- if (!MP)
+ Module *M = ParseBitcodeFile(Buffer.get(), Context, ErrMsg);
+ if (!M)
return true;
- // Get the module from the provider
- Module* M = MP->materializeModule();
- if (M == 0) {
- delete MP;
- return true;
- }
-
// Get the symbols
getSymbols(M, symbols);
// Done with the module.
- delete MP;
+ delete M;
return true;
}
-ModuleProvider*
+Module*
llvm::GetBitcodeSymbols(const unsigned char *BufPtr, unsigned Length,
const std::string& ModuleID,
LLVMContext& Context,
std::vector<std::string>& symbols,
std::string* ErrMsg) {
- // Get the module provider
- MemoryBuffer *Buffer =MemoryBuffer::getNewMemBuffer(Length, ModuleID.c_str());
+ // Get the module.
+ std::auto_ptr<MemoryBuffer> Buffer(
+ MemoryBuffer::getNewMemBuffer(Length, ModuleID.c_str()));
memcpy((char*)Buffer->getBufferStart(), BufPtr, Length);
- ModuleProvider *MP = getBitcodeModuleProvider(Buffer, Context, ErrMsg);
- if (!MP)
+ Module *M = ParseBitcodeFile(Buffer.get(), Context, ErrMsg);
+ if (!M)
return 0;
- // Get the module from the provider
- Module* M = MP->materializeModule();
- if (M == 0) {
- delete MP;
- return 0;
- }
-
// Get the symbols
getSymbols(M, symbols);
- // Done with the module. Note that ModuleProvider will delete the
- // Module when it is deleted. Also note that its the caller's responsibility
- // to delete the ModuleProvider.
- return MP;
+ // Done with the module. Note that it's the caller's responsibility to delete
+ // the Module.
+ return M;
}
diff --git a/lib/Archive/ArchiveInternals.h b/lib/Archive/ArchiveInternals.h
index d187ed91d7..baea544d20 100644
--- a/lib/Archive/ArchiveInternals.h
+++ b/lib/Archive/ArchiveInternals.h
@@ -77,11 +77,11 @@ namespace llvm {
std::vector<std::string>& symbols,
std::string* ErrMsg);
- ModuleProvider* GetBitcodeSymbols(const unsigned char*Buffer,unsigned Length,
- const std::string& ModuleID,
- LLVMContext& Context,
- std::vector<std::string>& symbols,
- std::string* ErrMsg);
+ Module* GetBitcodeSymbols(const unsigned char*Buffer,unsigned Length,
+ const std::string& ModuleID,
+ LLVMContext& Context,
+ std::vector<std::string>& symbols,
+ std::string* ErrMsg);
}
#endif
diff --git a/lib/Archive/ArchiveReader.cpp b/lib/Archive/ArchiveReader.cpp
index 74895d8a6f..a0c42b5016 100644
--- a/lib/Archive/ArchiveReader.cpp
+++ b/lib/Archive/ArchiveReader.cpp
@@ -452,9 +452,9 @@ Archive* Archive::OpenAndLoadSymbols(const sys::Path& file,
return result.release();
}
-// Look up one symbol in the symbol table and return a ModuleProvider for the
-// module that defines that symbol.
-ModuleProvider*
+// Look up one symbol in the symbol table and return the module that defines
+// that symbol.
+Module*
Archive::findModuleDefiningSymbol(const std::string& symbol,
std::string* ErrMsg) {
SymTabType::iterator SI = symTab.find(symbol);
@@ -483,27 +483,27 @@ Archive::findModuleDefiningSymbol(const std::string& symbol,
if (!mbr)
return 0;
- // Now, load the bitcode module to get the ModuleProvider
+ // Now, load the bitcode module to get the Module.
std::string FullMemberName = archPath.str() + "(" +
mbr->getPath().str() + ")";
MemoryBuffer *Buffer =MemoryBuffer::getNewMemBuffer(mbr->getSize(),
FullMemberName.c_str());
memcpy((char*)Buffer->getBufferStart(), mbr->getData(), mbr->getSize());
- ModuleProvider *mp = getBitcodeModuleProvider(Buffer, Context, ErrMsg);
- if (!mp)
+ Module *m = getLazyBitcodeModule(Buffer, Context, ErrMsg);
+ if (!m)
return 0;
- modules.insert(std::make_pair(fileOffset, std::make_pair(mp, mbr)));
+ modules.insert(std::make_pair(fileOffset, std::make_pair(m, mbr)));
- return mp;
+ return m;
}
// Look up multiple symbols in the symbol table and return a set of
-// ModuleProviders that define those symbols.
+// Modules that define those symbols.
bool
Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
- std::set<ModuleProvider*>& result,
+ std::set<Module*>& result,
std::string* error) {
if (!mapfile || !base) {
if (error)
@@ -536,19 +536,19 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
std::vector<std::string> symbols;
std::string FullMemberName = archPath.str() + "(" +
mbr->getPath().str() + ")";
- ModuleProvider* MP =
+ Module* M =
GetBitcodeSymbols((const unsigned char*)At, mbr->getSize(),
FullMemberName, Context, symbols, error);
- if (MP) {
+ if (M) {
// Insert the module's symbols into the symbol table
for (std::vector<std::string>::iterator I = symbols.begin(),
E=symbols.end(); I != E; ++I ) {
symTab.insert(std::make_pair(*I, offset));
}
- // Insert the ModuleProvider and the ArchiveMember into the table of
+ // Insert the Module and the ArchiveMember into the table of
// modules.
- modules.insert(std::make_pair(offset, std::make_pair(MP, mbr)));
+ modules.insert(std::make_pair(offset, std::make_pair(M, mbr)));
} else {
if (error)
*error = "Can't parse bitcode member: " +
@@ -571,11 +571,11 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
for (std::set<std::string>::iterator I=symbols.begin(),
E=symbols.end(); I != E;) {
// See if this symbol exists
- ModuleProvider* mp = findModuleDefiningSymbol(*I,error);
- if (mp) {
- // The symbol exists, insert the ModuleProvider into our result,
- // duplicates wil be ignored
- result.insert(mp);
+ Module* m = findModuleDefiningSymbol(*I,error);
+ if (m) {
+ // The symbol exists, insert the Module into our result, duplicates will
+ // be ignored.
+ result.insert(m);
// Remove the symbol now that its been resolved, being careful to
// post-increment the iterator.
diff --git a/lib/Archive/ArchiveWriter.cpp b/lib/Archive/ArchiveWriter.cpp
index d17f6b5036..58fbbf4414 100644
--- a/lib/Archive/ArchiveWriter.cpp
+++ b/lib/Archive/ArchiveWriter.cpp
@@ -12,12 +12,12 @@
//===----------------------------------------------------------------------===//
#include "ArchiveInternals.h"
-#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/Module.h"
#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/System/Signals.h"
#include "llvm/System/Process.h"
-#include "llvm/ModuleProvider.h"
+#include "llvm/System/Signals.h"
#include <fstream>
#include <ostream>
#include <iomanip>
@@ -225,12 +225,12 @@ Archive::writeMember(
std::vector<std::string> symbols;
std::string FullMemberName = archPath.str() + "(" + member.getPath().str()
+ ")";
- ModuleProvider* MP =
+ Module* M =
GetBitcodeSymbols((const unsigned char*)data,fSize,
FullMemberName, Context, symbols, ErrMsg);
// If the bitcode parsed successfully
- if ( MP ) {
+ if ( M ) {
for (std::vector<std::string>::iterator SI = symbols.begin(),
SE = symbols.end(); SI != SE; ++SI) {
@@ -244,7 +244,7 @@ Archive::writeMember(
}
}
// We don't need this module any more.
- delete MP;
+ delete M;
} else {
delete mFile;
if (ErrMsg)
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 04a5263cea..ed74301624 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2566,7 +2566,6 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
return Error(LinkageLoc, "invalid linkage for function declaration");
break;
case GlobalValue::AppendingLinkage:
- case GlobalValue::GhostLinkage:
case GlobalValue::CommonLinkage:
return Error(LinkageLoc, "invalid function linkage type");
}
diff --git a/lib/Bitcode/Reader/BitReader.cpp b/lib/Bitcode/Reader/BitReader.cpp
index 32b97e89f2..1facbc37ff 100644
--- a/lib/Bitcode/Reader/BitReader.cpp
+++ b/lib/Bitcode/Reader/BitReader.cpp
@@ -59,8 +59,8 @@ LLVMBool LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
char **OutMessage) {
std::string Message;
- *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), getGlobalContext(),
- &Message));
+ *OutMP = reinterpret_cast<LLVMModuleProviderRef>(
+ getLazyBitcodeModule(unwrap(MemBuf), getGlobalContext(), &Message));
if (!*OutMP) {
if (OutMessage)
@@ -77,8 +77,8 @@ LLVMBool LLVMGetBitcodeModuleProviderInContext(LLVMContextRef ContextRef,
char **OutMessage) {
std::string Message;
- *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), *unwrap(ContextRef),
- &Message));
+ *OutMP = reinterpret_cast<LLVMModuleProviderRef>(
+ getLazyBitcodeModule(unwrap(MemBuf), *unwrap(ContextRef), &Message));
if (!*OutMP) {
if (OutMessage)
*OutMessage = strdup(Message.c_str());
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 6dae45f384..4dfc6cef5a 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -28,7 +28,8 @@
using namespace llvm;
void BitcodeReader::FreeState() {
- delete Buffer;
+ if (BufferOwned)
+ delete Buffer;
Buffer = 0;
std::vector<PATypeHolder>().swap(TypeList);
ValueList.clear();
@@ -1241,11 +1242,7 @@ bool BitcodeReader::RememberAndSkipFunctionBody() {
// Save the current stream state.
uint64_t CurBit = Stream.GetCurrentBitNo();
- DeferredFunctionInfo[Fn] = std::make_pair(CurBit, Fn->getLinkage());
-
- // Set the functions linkage to GhostLinkage so we know it is lazily
- // deserialized.
- Fn->setLinkage(GlobalValue::GhostLinkage);
+ DeferredFunctionInfo[Fn] = CurBit;
// Skip over the function block for now.
if (Stream.SkipBlock())
@@ -1253,17 +1250,10 @@ bool BitcodeReader::RememberAndSkipFunctionBody() {
return false;
}
-bool BitcodeReader::ParseModule(const std::string &ModuleID) {
- // Reject multiple MODULE_BLOCK's in a single bitstream.
- if (TheModule)
- return Error("Multiple MODULE_BLOCKs in same stream");
-
+bool BitcodeReader::ParseModule() {
if (Stream.EnterSubBlock(bitc::MODULE_BLOCK_ID))
return Error("Malformed block record");
- // Otherwise, create the module.
- TheModule = new Module(ModuleID, Context);
-
SmallVector<uint64_t, 64> Record;
std::vector<std::string> SectionTable;
std::vector<std::string> GCTable;
@@ -1520,7 +1510,7 @@ bool BitcodeReader::ParseModule(const std::string &ModuleID) {
return Error("Premature end of bitstream");
}
-bool BitcodeReader::ParseBitcode() {
+bool BitcodeReader::ParseBitcodeInto(Module *M) {
TheModule = 0;
if (Buffer->getBufferSize() & 3)
@@ -1564,7 +1554,11 @@ bool BitcodeReader::ParseBitcode() {
return Error("Malformed BlockInfoBlock");
break;
case bitc::MODULE_BLOCK_ID:
- if (ParseModule(Buffer->getBufferIdentifier()))
+ // Reject multiple MODULE_BLOCK's in a single bitstream.
+ if (TheModule)
+ return Error("Multiple MODULE_BLOCKs in same stream");
+ TheModule = M;
+ if (ParseModule())
return true;
break;
default:
@@ -2299,22 +2293,28 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
}
//===----------------------------------------------------------------------===//
-// ModuleProvider implementation
+// GVMaterializer implementation
//===----------------------------------------------------------------------===//
-bool BitcodeReader::materializeFunction(Function *F, std::string *ErrInfo) {
- // If it already is material, ignore the request.
- if (!F->hasNotBeenReadFromBitcode()) return false;
+bool BitcodeReader::isMaterializable(const GlobalValue *GV) const {
+ if (const Function *F = dyn_cast<Function>(GV)) {
+ return F->isDeclaration() &&
+ DeferredFunctionInfo.count(const_cast<Function*>(F));
+ }
+ return false;
+}
+
+bool BitcodeReader::Materialize(GlobalValue *GV, std::string *ErrInfo) {
+ Function *F = dyn_cast<Function>(GV);
+ // If it's not a function or is already material, ignore the request.
+ if (!F || !F->isMaterializable()) return false;
- DenseMap<Function*, std::pair<uint64_t, unsigned> >::iterator DFII =
- DeferredFunctionInfo.find(F);
+ DenseMap<Function*, uint64_t>::iterator DFII = DeferredFunctionInfo.find(F);
assert(DFII != DeferredFunctionInfo.end() && "Deferred function not found!");
- // Move the bit stream to the saved position of the deferred function body and
- // restore the real linkage type for the function.
- Stream.JumpToBit(DFII->second.first);
- F->setLinkage((GlobalValue::LinkageTypes)DFII->second.second);
+ // Move the bit stream to the saved position of the deferred function body.
+ Stream.JumpToBit(DFII->second);
if (ParseFunctionBody(F)) {
if (ErrInfo) *ErrInfo = ErrorString;
@@ -2336,27 +2336,36 @@ bool BitcodeReader::materializeFunction(Function *F, std::string *ErrInfo) {
return false;
}
-void BitcodeReader::dematerializeFunction(Function *F) {
- // If this function isn't materialized, or if it is a proto, this is a noop.
- if (F->hasNotBeenReadFromBitcode() || F->isDeclaration())
+bool BitcodeReader::isDematerializable(const GlobalValue *GV) const {
+ const Function *F = dyn_cast<Function>(GV);
+ if (!F || F->isDeclaration())
+ return false;
+ return DeferredFunctionInfo.count(const_cast<Function*>(F));
+}
+
+void BitcodeReader::Dematerialize(GlobalValue *GV) {
+ Function *F = dyn_cast<Function>(GV);
+ // If this function isn't dematerializable, this is a noop.
+ if (!F || !isDematerializable(F))
return;
assert(DeferredFunctionInfo.count(F) && "No info to read function later?");
// Just forget the function body, we can remat it later.
F->deleteBody();
- F->setLinkage(GlobalValue::GhostLinkage);
}
-Module *BitcodeReader::materializeModule(std::string *ErrInfo) {
+bool BitcodeReader::MaterializeModule(Module *M, std::string *ErrInfo) {
+ assert(M == TheModule &&
+ "Can only Materialize the Module this BitcodeReader is attached to.");
// Iterate over the module, deserializing any functions that are still on
// disk.
for (Module::iterator F = TheModule->begin(), E = TheModule->end();
F != E; ++F)
- if (F->hasNotBeenReadFromBitcode() &&
- materializeFunction(F, ErrInfo))
- return 0;
+ if (F->isMaterializable() &&
+ Materialize(F, ErrInfo))
+ return true;
// Upgrade any intrinsic calls that slipped through (should not happen!) and
// delete the old functions to clean up. We can't do this unless the entire
@@ -2380,19 +2389,7 @@ Module *BitcodeReader::materializeModule(std::string *ErrInfo) {
// Check debug info intrinsics.
CheckDebugInfoIntrinsics(TheModule);
- return TheModule;
-}
-
-
-/// This method is provided by the parent ModuleProvde class and overriden
-/// here. It simply releases the module from its provided and frees up our
-/// state.
-/// @brief Release our hold on the generated module
-Module *BitcodeReader::releaseModule(std::string *ErrInfo) {
- // Since we're losing control of this Module, we must hand it back complete
- Module *M = ModuleProvider::releaseModule(ErrInfo);
- FreeState();
- return M;
+ return false;
}
@@ -2400,45 +2397,41 @@ Module *BitcodeReader::releaseModule(std::string *ErrInfo) {
// External interface
//===----------------------------------------------------------------------===//
-/// getBitcodeModuleProvider - lazy function-at-a-time loading from a file.
+/// getLazyBitcodeModule - lazy function-at-a-time loading from a file.
///
-ModuleProvider *llvm::getBitcodeModuleProvider(MemoryBuffer *Buffer,
- LLVMContext& Context,
- std::string *ErrMsg) {
+Module *llvm::getLazyBitcodeModule(MemoryBuffer *Buffer,
+ LLVMContext& Context,
+ std::string *ErrMsg) {
+ Module *M = new Module(Buffer->getBufferIdentifier(), Context);
BitcodeReader *R = new BitcodeReader(Buffer, Context);
- if (R->ParseBitcode()) {
+ M->setMaterializer(R);
+ if (R->ParseBitcodeInto(M)) {
if (ErrMsg)
*ErrMsg = R->getErrorString();
- // Don't let the BitcodeReader dtor delete 'Buffer'.
- R->releaseMemoryBuffer();
- delete R;
+ delete M; // Also deletes R.
return 0;
}
- return R;
+ // Have the BitcodeReader dtor delete 'Buffer'.
+ R->setBufferOwned(true);
+ return M;
}
/// ParseBitcodeFile - Read the specified bitcode file, returning the module.
/// If an error occurs, return null and fill in *ErrMsg if non-null.
Module *llvm::ParseBitcodeFile(MemoryBuffer *Buffer, LLVMContext& Context,
std::string *ErrMsg){
- BitcodeReader *R;
- R = static_cast<BitcodeReader*>(getBitcodeModuleProvider(Buffer, Context,
- ErrMsg));
- if (!R) return 0;
-
- // Read in the entire module.
- Module *M = R->materializeModule(ErrMsg);
+ Module *M = getLazyBitcodeModule(Buffer, Context, ErrMsg);
+ if (!M) return 0;
// Don't let the BitcodeReader dtor delete 'Buffer', regardless of whether
// there was an error.
- R->releaseMemoryBuffer();
+ static_cast<BitcodeReader*>(M->getMaterializer())->setBufferOwned(false);
- // If there was no error, tell ModuleProvider not to delete it when its dtor
- // is run.
- if (M)
- M = R->releaseModule(ErrMsg);
-
- delete R;
+ // Read in the entire module, and destroy the BitcodeReader.
+ if (M->MaterializeAllPermanently(ErrMsg)) {
+ delete M;
+ return NULL;
+ }
return M;
}
diff --git a/lib/Bitcode/Reader/BitcodeReader.h b/lib/Bitcode/Reader/BitcodeReader.h
index bb3961a086..55c71f7c88 100644
--- a/lib/Bitcode/Reader/BitcodeReader.h
+++ b/lib/Bitcode/Reader/BitcodeReader.h
@@ -14,7 +14,7 @@
#ifndef BITCODE_READER_H
#define BITCODE_READER_H
-#include "llvm/ModuleProvider.h"
+#include "llvm/GVMaterializer.h"
#include "llvm/Attributes.h"
#include "llvm/Type.h"
#include "llvm/OperandTraits.h"
@@ -121,9 +121,11 @@ public:
void AssignValue(Value *V, unsigned Idx);
};
-class BitcodeReader : public ModuleProvider {
+class BitcodeReader : public GVMaterializer {
LLVMContext &Context;
+ Module *TheModule;
MemoryBuffer *Buffer;
+ bool BufferOwned;
BitstreamReader StreamFile;
BitstreamCursor Stream;
@@ -160,9 +162,9 @@ class BitcodeReader : public ModuleProvider {
bool HasReversedFunctionsWithBodies;
/// DeferredFunctionInfo - When function bodies are initially scanned, this
- /// map contains info about where to find deferred function body (in the
- /// stream) and what linkage the original function had.
- DenseMap<Function*, std::pair<uint64_t, unsigned> > DeferredFunctionInfo;
+ /// map contains info about where to find deferred function body in the
+ /// stream.
+ DenseMap<Function*, uint64_t> DeferredFunctionInfo;
/// BlockAddrFwdRefs - These are blockaddr references to basic blocks. These
/// are resolved lazily when functions are loaded.
@@ -171,7 +173,8 @@ class BitcodeReader : public ModuleProvider {
public:
explicit BitcodeReader(MemoryBuffer *buffer, LLVMContext &C)
- : Context(C), Buffer(buffer), ErrorString(0), ValueList(C), MDValueList(C) {
+ : Context(C), TheModule(0), Buffer(buffer), BufferOwned(false),
+ ErrorString(0), ValueList(C), MDValueList(C) {
HasReversedFunctionsWithBodies = false;
}
~BitcodeReader() {
@@ -180,17 +183,15 @@ public:
void FreeState();
- /// releaseMemoryBuffer - This causes the reader to completely forget about
- /// the memory buffer it contains, which prevents the buffer from being
- /// destroyed when it is deleted.
- void releaseMemoryBuffer() {
- Buffer = 0;
- }
+ /// setBufferOwned - If this is true, the reader will destroy the MemoryBuffer
+ /// when the reader is destroyed.
+ void setBufferOwned(bool Owned) { BufferOwned = Owned; }
- virtual bool materializeFunction(Function *F, std::string *ErrInfo = 0);
- virtual Module *materializeModule(std::string *ErrInfo = 0);
- virtual void dematerializeFunction(Function *F);
- virtual Module *releaseModule(std::string *ErrInfo = 0);
+ virtual bool isMaterializable(const GlobalValue *GV) const;
+ virtual bool isDematerializable(const GlobalValue *GV) const;
+ virtual bool Materialize(GlobalValue *GV, std::string *ErrInfo = 0);
+ virtual bool MaterializeModule(Module *M, std::string *ErrInfo = 0);
+ virtual void Dematerialize(GlobalValue *GV);
bool Error(const char *Str) {
ErrorString = Str;
@@ -200,7 +201,7 @@ public:
/// @brief Main interface to parsing a bitcode buffer.
/// @returns true if an error occurred.
- bool ParseBitcode();
+ bool ParseBitcodeInto(Module *M);
private:
const Type *getTypeByID(unsigned ID, bool isTypeTable = false);
Value *getFnValueByID(unsigned ID, const Type *Ty) {
@@ -248,7 +249,7 @@ private:
}
- bool ParseModule(const std::string &ModuleID);
+ bool ParseModule();
bool ParseAttributeBlock();
bool ParseTypeTable();
bool ParseTypeSymbolTable();
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 5a4a1b2920..54f756f977 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -280,7 +280,6 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
static unsigned getEncodedLinkage(const GlobalValue *GV) {
switch (GV->getLinkage()) {
default: llvm_unreachable("Invalid linkage!");
- case GlobalValue::GhostLinkage: // Map ghost linkage onto external.
case GlobalValue::ExternalLinkage: return 0;
case GlobalValue::WeakAnyLinkage: return 1;
case GlobalValue::AppendingLinkage: return 2;
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index 89c4290f23..d4af859973 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -18,7 +18,6 @@
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/Debug.h"
@@ -36,25 +35,25 @@ using namespace llvm;
STATISTIC(NumInitBytes, "Number of bytes of global vars initialized");
STATISTIC(NumGlobals , "Number of global vars initialized");
-ExecutionEngine *(*ExecutionEngine::JITCtor)(ModuleProvider *MP,
+ExecutionEngine *(*ExecutionEngine::JITCtor)(Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM) = 0;
-ExecutionEngine *(*ExecutionEngine::InterpCtor)(ModuleProvider *MP,
+ExecutionEngine *(*ExecutionEngine::InterpCtor)(Module *M,
std::string *ErrorStr) = 0;
ExecutionEngine::EERegisterFn ExecutionEngine::ExceptionTableRegister = 0;
-ExecutionEngine::ExecutionEngine(ModuleProvider *P)
+ExecutionEngine::ExecutionEngine(Module *M)
: EEState(*this),
LazyFunctionCreator(0) {
CompilingLazily = false;
GVCompilationDisabled = false;
SymbolSearchingDisabled = false;
- Modules.push_back(P);
- assert(P && "ModuleProvider is null?");
+ Modules.push_back(M);
+ assert(M && "Module is null?");
}
ExecutionEngine::~ExecutionEngine() {
@@ -69,38 +68,18 @@ char* ExecutionEngine::getMemoryForGV(const GlobalVariable* GV) {
return new char[GVSize];
}
-/// removeModuleProvider - Remove a ModuleProvider from the list of modules.
-/// Relases the Module from the ModuleProvider, materializing it in the
-/// process, and returns the materialized Module.
-Module* ExecutionEngine::removeModuleProvider(ModuleProvider *P,
- std::string *ErrInfo) {
- for(SmallVector<ModuleProvider *, 1>::iterator I = Modules.begin(),
+/// removeModule - Remove a Module from the list of modules.
+bool ExecutionEngine::removeModule(Module *M) {
+ for(SmallVector<Module *, 1>::iterator I = Modules.begin(),