//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Transforms/Utils/Cloning.h"
#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
-#include "llvm/SymbolTable.h"
+#include "llvm/TypeSymbolTable.h"
#include "llvm/Constant.h"
-#include "ValueMapper.h"
+#include "llvm/Transforms/Utils/ValueMapper.h"
using namespace llvm;
/// CloneModule - Return an exact copy of the specified module. This is not as
/// respectively) refer to the right globals.
///
Module *llvm::CloneModule(const Module *M) {
+ // Create the value map that maps things from the old module over to the new
+ // module.
+ DenseMap<const Value*, Value*> ValueMap;
+ return CloneModule(M, ValueMap);
+}
+
+Module *llvm::CloneModule(const Module *M,
+ DenseMap<const Value*, Value*> &ValueMap) {
// First off, we need to create the new module...
Module *New = new Module(M->getModuleIdentifier());
- New->setEndianness(M->getEndianness());
- New->setPointerSize(M->getPointerSize());
+ New->setDataLayout(M->getDataLayout());
New->setTargetTriple(M->getTargetTriple());
- New->setInlineAsm(M->getInlineAsm());
+ New->setModuleInlineAsm(M->getModuleInlineAsm());
// Copy all of the type symbol table entries over.
- const SymbolTable &SymTab = M->getSymbolTable();
- SymbolTable::type_const_iterator TypeI = SymTab.type_begin();
- SymbolTable::type_const_iterator TypeE = SymTab.type_end();
- for (; TypeI != TypeE; ++TypeI)
- New->addTypeName(TypeI->first, TypeI->second);
+ const TypeSymbolTable &TST = M->getTypeSymbolTable();
+ for (TypeSymbolTable::const_iterator TI = TST.begin(), TE = TST.end();
+ TI != TE; ++TI)
+ New->addTypeName(TI->first, TI->second);
// Copy all of the dependent libraries over.
for (Module::lib_iterator I = M->lib_begin(), E = M->lib_end(); I != E; ++I)
New->addLibrary(*I);
- // Create the value map that maps things from the old module over to the new
- // module.
- std::map<const Value*, Value*> ValueMap;
-
// Loop over all of the global variables, making corresponding globals in the
// new module. Here we add them to the ValueMap and to the new Module. We
// don't worry about attributes or initializers, they will come later.
new Function(cast<FunctionType>(I->getType()->getElementType()),
GlobalValue::ExternalLinkage, I->getName(), New);
NF->setCallingConv(I->getCallingConv());
+ NF->setParamAttrs(I->getParamAttrs());
+ if (I->hasCollector())
+ NF->setCollector(I->getCollector());
ValueMap[I]= NF;
}
+ // Loop over the aliases in the module
+ for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
+ I != E; ++I)
+ ValueMap[I] = new GlobalAlias(I->getType(), GlobalAlias::ExternalLinkage,
+ I->getName(), NULL, New);
+
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
GV->setInitializer(cast<Constant>(MapValue(I->getInitializer(),
ValueMap)));
GV->setLinkage(I->getLinkage());
+ GV->setThreadLocal(I->isThreadLocal());
+ GV->setConstant(I->isConstant());
}
// Similarly, copy over function bodies now...
//
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *F = cast<Function>(ValueMap[I]);
- if (!I->isExternal()) {
+ if (!I->isDeclaration()) {
Function::arg_iterator DestI = F->arg_begin();
for (Function::const_arg_iterator J = I->arg_begin(); J != I->arg_end();
++J) {
F->setLinkage(I->getLinkage());
}
+ // And aliases
+ for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
+ I != E; ++I) {
+ GlobalAlias *GA = cast<GlobalAlias>(ValueMap[I]);
+ GA->setLinkage(I->getLinkage());
+ if (const Constant* C = I->getAliasee())
+ GA->setAliasee(cast<Constant>(MapValue(C, ValueMap)));
+ }
+
return New;
}
-
-// vim: sw=2