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switch ValueMap to using AssertingVH. This is an old patch I had laying
around in a tree I forgot about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78048 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -38,7 +38,7 @@ class TypeSymbolTable;
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template<typename ValueTy> class StringMapEntry;
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template <typename ValueTy = Value>
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class AssertingVH;
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typedef StringMapEntry<Value*> ValueName;
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typedef StringMapEntry<AssertingVH<> > ValueName;
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class raw_ostream;
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class AssemblyAnnotationWriter;
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class ValueHandleBase;
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@ -17,6 +17,7 @@
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#include "llvm/Value.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Support/ValueHandle.h"
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namespace llvm {
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template<typename ValueSubClass, typename ItemParentClass>
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@ -44,7 +45,7 @@ class ValueSymbolTable {
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/// @{
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public:
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/// @brief A mapping of names to values.
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typedef StringMap<Value*> ValueMap;
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typedef StringMap<AssertingVH<> > ValueMap;
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/// @brief An iterator over a ValueMap.
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typedef ValueMap::iterator iterator;
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@ -1083,7 +1083,7 @@ static void WriteValueSymbolTable(const ValueSymbolTable &VST,
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// VST_ENTRY: [valueid, namechar x N]
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// VST_BBENTRY: [bbid, namechar x N]
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unsigned Code;
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if (isa<BasicBlock>(SI->getValue())) {
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if (isa<BasicBlock>(*SI->getValue())) {
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Code = bitc::VST_CODE_BBENTRY;
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if (isChar6)
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AbbrevToUse = VST_BBENTRY_6_ABBREV;
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@ -57,6 +57,14 @@ Value::Value(const Type *ty, unsigned scid)
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}
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Value::~Value() {
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// If this value is named, destroy the name. This should not be in a symtab
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// at this point.
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if (Name)
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Name->Destroy();
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// There should be no uses of this object anymore, remove it.
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LeakDetector::removeGarbageObject(this);
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// Notify all ValueHandles (if present) that this value is going away.
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if (HasValueHandle)
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ValueHandleBase::ValueIsDeleted(this);
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@ -76,14 +84,6 @@ Value::~Value() {
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}
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#endif
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assert(use_empty() && "Uses remain when a value is destroyed!");
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// If this value is named, destroy the name. This should not be in a symtab
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// at this point.
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if (Name)
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Name->Destroy();
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// There should be no uses of this object anymore, remove it.
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LeakDetector::removeGarbageObject(this);
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}
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/// hasNUses - Return true if this Value has exactly N users.
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