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Fix bug: 2003-01-30-LinkerRename.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5828 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -210,12 +210,26 @@ static bool LinkGlobals(Module *Dest, const Module *Src,
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// symbol over in the dest module... the initializer will be filled in
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// later by LinkGlobalInits...
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//
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DGV = new GlobalVariable(SGV->getType()->getElementType(),
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SGV->isConstant(), SGV->getLinkage(), /*init*/0,
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SGV->getName(), Dest);
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GlobalVariable *NewDGV =
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new GlobalVariable(SGV->getType()->getElementType(),
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SGV->isConstant(), SGV->getLinkage(), /*init*/0,
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SGV->getName(), Dest);
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// If the LLVM runtime renamed the global, but it is an externally visible
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// symbol, DGV must be an existing global with internal linkage. Rename
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// it.
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if (NewDGV->getName() != SGV->getName() && !NewDGV->hasInternalLinkage()){
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assert(DGV && DGV->getName() == SGV->getName() &&
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DGV->hasInternalLinkage());
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DGV->setName("");
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NewDGV->setName(SGV->getName()); // Force the name back
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DGV->setName(SGV->getName()); // This will cause a renaming
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assert(NewDGV->getName() == SGV->getName() &&
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DGV->getName() != SGV->getName());
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}
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// Make sure to remember this mapping...
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ValueMap.insert(std::make_pair(SGV, DGV));
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ValueMap.insert(std::make_pair(SGV, NewDGV));
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} else if (!SGExtern && !DGExtern && SGV->getLinkage() !=DGV->getLinkage()){
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return Error(Err, "Global variables named '" + SGV->getName() +
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"' have different linkage specifiers!");
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@ -313,11 +327,23 @@ static bool LinkFunctionProtos(Module *Dest, const Module *Src,
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if (!DF || SF->hasInternalLinkage() || DF->hasInternalLinkage()) {
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// Function does not already exist, simply insert an function signature
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// identical to SF into the dest module...
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Function *DF = new Function(SF->getFunctionType(), SF->getLinkage(),
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SF->getName(), Dest);
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Function *NewDF = new Function(SF->getFunctionType(), SF->getLinkage(),
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SF->getName(), Dest);
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// If the LLVM runtime renamed the function, but it is an externally
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// visible symbol, DF must be an existing function with internal linkage.
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// Rename it.
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if (NewDF->getName() != SF->getName() && !NewDF->hasInternalLinkage()) {
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assert(DF && DF->getName() == SF->getName() &&DF->hasInternalLinkage());
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DF->setName("");
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NewDF->setName(SF->getName()); // Force the name back
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DF->setName(SF->getName()); // This will cause a renaming
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assert(NewDF->getName() == SF->getName() &&
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DF->getName() != SF->getName());
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}
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// ... and remember this mapping...
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ValueMap.insert(std::make_pair(SF, DF));
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ValueMap.insert(std::make_pair(SF, NewDF));
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} else if (SF->getLinkage() == GlobalValue::AppendingLinkage) {
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return Error(Err, "Functions named '" + SF->getName() +
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"' have appending linkage!");
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@ -210,12 +210,26 @@ static bool LinkGlobals(Module *Dest, const Module *Src,
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// symbol over in the dest module... the initializer will be filled in
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// later by LinkGlobalInits...
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//
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DGV = new GlobalVariable(SGV->getType()->getElementType(),
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SGV->isConstant(), SGV->getLinkage(), /*init*/0,
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SGV->getName(), Dest);
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GlobalVariable *NewDGV =
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new GlobalVariable(SGV->getType()->getElementType(),
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SGV->isConstant(), SGV->getLinkage(), /*init*/0,
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SGV->getName(), Dest);
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// If the LLVM runtime renamed the global, but it is an externally visible
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// symbol, DGV must be an existing global with internal linkage. Rename
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// it.
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if (NewDGV->getName() != SGV->getName() && !NewDGV->hasInternalLinkage()){
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assert(DGV && DGV->getName() == SGV->getName() &&
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DGV->hasInternalLinkage());
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DGV->setName("");
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NewDGV->setName(SGV->getName()); // Force the name back
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DGV->setName(SGV->getName()); // This will cause a renaming
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assert(NewDGV->getName() == SGV->getName() &&
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DGV->getName() != SGV->getName());
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}
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// Make sure to remember this mapping...
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ValueMap.insert(std::make_pair(SGV, DGV));
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ValueMap.insert(std::make_pair(SGV, NewDGV));
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} else if (!SGExtern && !DGExtern && SGV->getLinkage() !=DGV->getLinkage()){
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return Error(Err, "Global variables named '" + SGV->getName() +
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"' have different linkage specifiers!");
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@ -313,11 +327,23 @@ static bool LinkFunctionProtos(Module *Dest, const Module *Src,
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if (!DF || SF->hasInternalLinkage() || DF->hasInternalLinkage()) {
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// Function does not already exist, simply insert an function signature
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// identical to SF into the dest module...
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Function *DF = new Function(SF->getFunctionType(), SF->getLinkage(),
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SF->getName(), Dest);
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Function *NewDF = new Function(SF->getFunctionType(), SF->getLinkage(),
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SF->getName(), Dest);
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// If the LLVM runtime renamed the function, but it is an externally
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// visible symbol, DF must be an existing function with internal linkage.
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// Rename it.
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if (NewDF->getName() != SF->getName() && !NewDF->hasInternalLinkage()) {
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assert(DF && DF->getName() == SF->getName() &&DF->hasInternalLinkage());
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DF->setName("");
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NewDF->setName(SF->getName()); // Force the name back
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DF->setName(SF->getName()); // This will cause a renaming
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assert(NewDF->getName() == SF->getName() &&
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DF->getName() != SF->getName());
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}
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// ... and remember this mapping...
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ValueMap.insert(std::make_pair(SF, DF));
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ValueMap.insert(std::make_pair(SF, NewDF));
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} else if (SF->getLinkage() == GlobalValue::AppendingLinkage) {
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return Error(Err, "Functions named '" + SF->getName() +
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"' have appending linkage!");
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@ -210,12 +210,26 @@ static bool LinkGlobals(Module *Dest, const Module *Src,
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// symbol over in the dest module... the initializer will be filled in
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// later by LinkGlobalInits...
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//
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DGV = new GlobalVariable(SGV->getType()->getElementType(),
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SGV->isConstant(), SGV->getLinkage(), /*init*/0,
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SGV->getName(), Dest);
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GlobalVariable *NewDGV =
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new GlobalVariable(SGV->getType()->getElementType(),
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SGV->isConstant(), SGV->getLinkage(), /*init*/0,
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SGV->getName(), Dest);
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// If the LLVM runtime renamed the global, but it is an externally visible
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// symbol, DGV must be an existing global with internal linkage. Rename
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// it.
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if (NewDGV->getName() != SGV->getName() && !NewDGV->hasInternalLinkage()){
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assert(DGV && DGV->getName() == SGV->getName() &&
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DGV->hasInternalLinkage());
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DGV->setName("");
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NewDGV->setName(SGV->getName()); // Force the name back
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DGV->setName(SGV->getName()); // This will cause a renaming
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assert(NewDGV->getName() == SGV->getName() &&
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DGV->getName() != SGV->getName());
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}
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// Make sure to remember this mapping...
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ValueMap.insert(std::make_pair(SGV, DGV));
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ValueMap.insert(std::make_pair(SGV, NewDGV));
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} else if (!SGExtern && !DGExtern && SGV->getLinkage() !=DGV->getLinkage()){
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return Error(Err, "Global variables named '" + SGV->getName() +
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"' have different linkage specifiers!");
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@ -313,11 +327,23 @@ static bool LinkFunctionProtos(Module *Dest, const Module *Src,
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if (!DF || SF->hasInternalLinkage() || DF->hasInternalLinkage()) {
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// Function does not already exist, simply insert an function signature
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// identical to SF into the dest module...
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Function *DF = new Function(SF->getFunctionType(), SF->getLinkage(),
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SF->getName(), Dest);
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Function *NewDF = new Function(SF->getFunctionType(), SF->getLinkage(),
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SF->getName(), Dest);
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// If the LLVM runtime renamed the function, but it is an externally
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// visible symbol, DF must be an existing function with internal linkage.
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// Rename it.
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if (NewDF->getName() != SF->getName() && !NewDF->hasInternalLinkage()) {
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assert(DF && DF->getName() == SF->getName() &&DF->hasInternalLinkage());
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DF->setName("");
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NewDF->setName(SF->getName()); // Force the name back
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DF->setName(SF->getName()); // This will cause a renaming
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assert(NewDF->getName() == SF->getName() &&
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DF->getName() != SF->getName());
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}
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// ... and remember this mapping...
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ValueMap.insert(std::make_pair(SF, DF));
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ValueMap.insert(std::make_pair(SF, NewDF));
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} else if (SF->getLinkage() == GlobalValue::AppendingLinkage) {
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return Error(Err, "Functions named '" + SF->getName() +
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"' have appending linkage!");
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