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make the datastructure used in BytecodeWriter::outputValueSymbolTable
*slightly* less abusive of memory. This speeds up the bcwriter from 1.83s to 1.32s (39% faster) on 447.dealII. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34140 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1086,14 +1086,14 @@ void BytecodeWriter::outputValueSymbolTable(const ValueSymbolTable &VST) {
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true/*ElideIfEmpty*/);
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// Organize the symbol table by type
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typedef std::pair<std::string, const Value*> PlaneMapEntry;
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typedef std::pair<const std::string*, const Value*> PlaneMapEntry;
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typedef std::vector<PlaneMapEntry> PlaneMapVector;
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typedef std::map<const Type*, PlaneMapVector > PlaneMap;
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PlaneMap Planes;
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for (ValueSymbolTable::const_iterator SI = VST.begin(), SE = VST.end();
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SI != SE; ++SI)
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Planes[SI->second->getType()].push_back(
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std::make_pair(SI->first,SI->second));
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Planes[SI->second->getType()]
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.push_back(std::make_pair(&SI->first, SI->second));
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for (PlaneMap::const_iterator PI = Planes.begin(), PE = Planes.end();
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PI != PE; ++PI) {
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@ -1112,7 +1112,7 @@ void BytecodeWriter::outputValueSymbolTable(const ValueSymbolTable &VST) {
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for (; I != End; ++I) {
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// Symtab entry: [def slot #][name]
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output_vbr(Table.getSlot(I->second));
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output(I->first);
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output(*I->first);
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}
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}
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}
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