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102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
//===-- llvm/SymbolTableListTraitsImpl.h - Implementation ------*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the stickier parts of the SymbolTableListTraits class,
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// and is explicitly instantiated where needed to avoid defining all this code
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// in a widely used header.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SYMBOLTABLELISTTRAITS_IMPL_H
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#define LLVM_SYMBOLTABLELISTTRAITS_IMPL_H
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#include "llvm/SymbolTableListTraits.h"
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#include "llvm/SymbolTable.h"
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namespace llvm {
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template<typename ValueSubClass, typename ItemParentClass,typename SymTabClass,
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typename SubClass>
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void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
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::setParent(SymTabClass *STO) {
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iplist<ValueSubClass> &List = SubClass::getList(ItemParent);
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// Remove all of the items from the old symtab..
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if (SymTabObject && !List.empty()) {
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SymbolTable &SymTab = SymTabObject->getSymbolTable();
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for (typename iplist<ValueSubClass>::iterator I = List.begin();
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I != List.end(); ++I)
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if (I->hasName()) SymTab.remove(I);
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}
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SymTabObject = STO;
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// Add all of the items to the new symtab...
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if (SymTabObject && !List.empty()) {
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SymbolTable &SymTab = SymTabObject->getSymbolTable();
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for (typename iplist<ValueSubClass>::iterator I = List.begin();
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I != List.end(); ++I)
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if (I->hasName()) SymTab.insert(I);
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}
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}
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template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
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typename SubClass>
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void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
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::addNodeToList(ValueSubClass *V) {
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assert(V->getParent() == 0 && "Value already in a container!!");
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V->setParent(ItemParent);
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if (V->hasName() && SymTabObject)
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SymTabObject->getSymbolTable().insert(V);
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}
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template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
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typename SubClass>
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void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
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::removeNodeFromList(ValueSubClass *V) {
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V->setParent(0);
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if (V->hasName() && SymTabObject)
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SymTabObject->getSymbolTable().remove(V);
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}
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template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
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typename SubClass>
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void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
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::transferNodesFromList(iplist<ValueSubClass, ilist_traits<ValueSubClass> > &L2,
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ilist_iterator<ValueSubClass> first,
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ilist_iterator<ValueSubClass> last) {
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// We only have to do work here if transferring instructions between BBs
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ItemParentClass *NewIP = ItemParent, *OldIP = L2.ItemParent;
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if (NewIP == OldIP) return; // No work to do at all...
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// We only have to update symbol table entries if we are transferring the
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// instructions to a different symtab object...
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SymTabClass *NewSTO = SymTabObject, *OldSTO = L2.SymTabObject;
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if (NewSTO != OldSTO) {
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for (; first != last; ++first) {
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ValueSubClass &V = *first;
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bool HasName = V.hasName();
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if (OldSTO && HasName)
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OldSTO->getSymbolTable().remove(&V);
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V.setParent(NewIP);
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if (NewSTO && HasName)
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NewSTO->getSymbolTable().insert(&V);
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}
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} else {
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// Just transferring between blocks in the same function, simply update the
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// parent fields in the instructions...
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for (; first != last; ++first)
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first->setParent(NewIP);
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}
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}
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} // End llvm namespace
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#endif
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