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shrink vmcore by moving symbol table stripping support out of VMCore into
the one IPO pass that uses it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33990 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -98,10 +98,6 @@ public:
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/// @{
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public:
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/// This method will strip the symbol table of its names
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/// @brief Strip the symbol table.
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bool strip();
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/// Inserts a type into the symbol table with the specified name. There can be
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/// a many-to-one mapping between names and types. This method allows a type
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/// with an existing entry in the symbol table to get a new name.
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@ -120,12 +120,6 @@ public:
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/// @}
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/// @name Mutators
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/// @{
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public:
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/// This method will strip the symbol table of its names.
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/// @brief Strip the symbol table.
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bool strip();
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private:
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/// This method adds the provided value \p N to the symbol table. The Value
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/// must have a name which is used to place the value in the symbol table.
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@ -73,6 +73,27 @@ static void RemoveDeadConstant(Constant *C) {
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}
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}
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// Strip the symbol table of its names.
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//
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static void StripSymtab(ValueSymbolTable &ST) {
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for (ValueSymbolTable::iterator VI = ST.begin(), VE = ST.end(); VI != VE; ) {
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Value *V = VI->second;
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++VI;
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if (!isa<GlobalValue>(V) || cast<GlobalValue>(V)->hasInternalLinkage()) {
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// Set name to "", removing from symbol table!
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V->setName("");
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}
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}
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}
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// Strip the symbol table of its names.
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static void StripTypeSymtab(TypeSymbolTable &ST) {
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for (TypeSymbolTable::iterator TI = ST.begin(), E = ST.end(); TI != E; )
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ST.remove(TI++);
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}
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bool StripSymbols::runOnModule(Module &M) {
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// If we're not just stripping debug info, strip all symbols from the
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// functions and the names from any internal globals.
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@ -85,11 +106,11 @@ bool StripSymbols::runOnModule(Module &M) {
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for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
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if (I->hasInternalLinkage())
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I->setName(""); // Internal symbols can't participate in linkage
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I->getValueSymbolTable().strip();
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StripSymtab(I->getValueSymbolTable());
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}
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// Remove all names from types.
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M.getTypeSymbolTable().strip();
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StripTypeSymtab(M.getTypeSymbolTable());
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}
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// Strip debug info in the module if it exists. To do this, we remove
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@ -111,17 +111,6 @@ void TypeSymbolTable::insert(const std::string& Name, const Type* T) {
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}
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}
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// Strip the symbol table of its names.
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bool TypeSymbolTable::strip() {
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bool RemovedSymbol = false;
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for (iterator TI = tmap.begin(); TI != tmap.end(); ) {
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remove(TI++);
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RemovedSymbol = true;
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}
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return RemovedSymbol;
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}
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// This function is called when one of the types in the type plane are refined
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void TypeSymbolTable::refineAbstractType(const DerivedType *OldType,
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const Type *NewType) {
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@ -59,22 +59,6 @@ Value *ValueSymbolTable::lookup(const std::string &Name) const {
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return 0;
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}
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// Strip the symbol table of its names.
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//
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bool ValueSymbolTable::strip() {
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bool RemovedSymbol = false;
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for (iterator VI = vmap.begin(), VE = vmap.end(); VI != VE; ) {
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Value *V = VI->second;
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++VI;
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if (!isa<GlobalValue>(V) || cast<GlobalValue>(V)->hasInternalLinkage()) {
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// Set name to "", removing from symbol table!
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V->setName("");
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RemovedSymbol = true;
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}
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}
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return RemovedSymbol;
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}
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// Insert a value into the symbol table with the specified name...
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//
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void ValueSymbolTable::insert(Value* V) {
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