X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FFunction.cpp;h=70569c0f67ce7539f0e878921347b0fd5260ee95;hb=627079d42a1340360f8699cd87865e20799cff21;hp=3ad7a66c5ced003702e47709113fafa7dd1f1b67;hpb=482701563a2ff76815d2cd19856469319e7c2d88;p=oota-llvm.git

diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 3ad7a66c5ce..70569c0f67c 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -8,14 +8,25 @@
 #include "llvm/Module.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/iOther.h"
+#include "Support/LeakDetector.h"
 #include "SymbolTableListTraitsImpl.h"
 
+BasicBlock *ilist_traits<BasicBlock>::createNode() {
+  BasicBlock *Ret = new BasicBlock();
+  // This should not be garbage monitored.
+  LeakDetector::removeGarbageObject(Ret);
+  return Ret;
+}
+
 iplist<BasicBlock> &ilist_traits<BasicBlock>::getList(Function *F) {
   return F->getBasicBlockList();
 }
 
 Argument *ilist_traits<Argument>::createNode() {
-  return new Argument(Type::IntTy);
+  Argument *Ret = new Argument(Type::IntTy);
+  // This should not be garbage monitored.
+  LeakDetector::removeGarbageObject(Ret);
+  return Ret;
 }
 
 iplist<Argument> &ilist_traits<Argument>::getList(Function *F) {
@@ -31,21 +42,41 @@ template SymbolTableListTraits<BasicBlock, Function, Function>;
 // Argument Implementation
 //===----------------------------------------------------------------------===//
 
+Argument::Argument(const Type *Ty, const std::string &Name, Function *Par) 
+  : Value(Ty, Value::ArgumentVal, Name) {
+  Parent = 0;
+
+  // Make sure that we get added to a function
+  LeakDetector::addGarbageObject(this);
+
+  if (Par)
+    Par->getArgumentList().push_back(this);
+}
+
+
 // Specialize setName to take care of symbol table majik
 void Argument::setName(const std::string &name, SymbolTable *ST) {
   Function *P;
-  assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+  assert((ST == 0 || (!getParent() || ST == &getParent()->getSymbolTable())) &&
 	 "Invalid symtab argument!");
-  if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+  if ((P = getParent()) && hasName()) P->getSymbolTable().remove(this);
   Value::setName(name);
-  if (P && hasName()) P->getSymbolTable()->insert(this);
+  if (P && hasName()) P->getSymbolTable().insert(this);
 }
 
+void Argument::setParent(Function *parent) {
+  if (getParent())
+    LeakDetector::addGarbageObject(this);
+  Parent = parent;
+  if (getParent())
+    LeakDetector::removeGarbageObject(this);
+}
+
+
 //===----------------------------------------------------------------------===//
 // Function Implementation
 //===----------------------------------------------------------------------===//
 
-
 Function::Function(const FunctionType *Ty, bool isInternal,
                    const std::string &name, Module *ParentModule)
   : GlobalValue(PointerType::get(Ty), Value::FunctionVal, isInternal, name) {
@@ -53,7 +84,17 @@ Function::Function(const FunctionType *Ty, bool isInternal,
   BasicBlocks.setParent(this);
   ArgumentList.setItemParent(this);
   ArgumentList.setParent(this);
-  ParentSymTab = SymTab = 0;
+  SymTab = new SymbolTable();
+
+  // Create the arguments vector, all arguments start out unnamed.
+  for (unsigned i = 0, e = Ty->getNumParams(); i != e; ++i) {
+    assert(Ty->getParamType(i) != Type::VoidTy &&
+           "Cannot have void typed arguments!");
+    ArgumentList.push_back(new Argument(Ty->getParamType(i)));
+  }
+
+  // Make sure that we get added to a function
+  LeakDetector::addGarbageObject(this);
 
   if (ParentModule)
     ParentModule->getFunctionList().push_back(this);
@@ -73,19 +114,19 @@ Function::~Function() {
 // Specialize setName to take care of symbol table majik
 void Function::setName(const std::string &name, SymbolTable *ST) {
   Module *P;
-  assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+  assert((ST == 0 || (!getParent() || ST == &getParent()->getSymbolTable())) &&
 	 "Invalid symtab argument!");
-  if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+  if ((P = getParent()) && hasName()) P->getSymbolTable().remove(this);
   Value::setName(name);
-  if (P && getName() != "") P->getSymbolTableSure()->insert(this);
+  if (P && getName() != "") P->getSymbolTable().insert(this);
 }
 
 void Function::setParent(Module *parent) {
+  if (getParent())
+    LeakDetector::addGarbageObject(this);
   Parent = parent;
-
-  // Relink symbol tables together...
-  ParentSymTab = Parent ? Parent->getSymbolTableSure() : 0;
-  if (SymTab) SymTab->setParentSymTab(ParentSymTab);
+  if (getParent())
+    LeakDetector::removeGarbageObject(this);
 }
 
 const FunctionType *Function::getFunctionType() const {
@@ -96,27 +137,6 @@ const Type *Function::getReturnType() const {
   return getFunctionType()->getReturnType();
 }
 
-SymbolTable *Function::getSymbolTableSure() {
-  if (!SymTab) SymTab = new SymbolTable(ParentSymTab);
-  return SymTab;
-}
-
-// hasSymbolTable() - Returns true if there is a symbol table allocated to
-// this object AND if there is at least one name in it!
-//
-bool Function::hasSymbolTable() const {
-  if (!SymTab) return false;
-
-  for (SymbolTable::const_iterator I = SymTab->begin(); 
-       I != SymTab->end(); ++I) {
-    if (I->second.begin() != I->second.end())
-      return true;                                // Found nonempty type plane!
-  }
-  
-  return false;
-}
-
-
 // dropAllReferences() - This function causes all the subinstructions to "let
 // go" of all references that they are maintaining.  This allows one to
 // 'delete' a whole class at a time, even though there may be circular
@@ -136,18 +156,31 @@ void Function::dropAllReferences() {
 
 GlobalVariable::GlobalVariable(const Type *Ty, bool constant, bool isIntern,
 			       Constant *Initializer,
-			       const std::string &Name)
+			       const std::string &Name, Module *ParentModule)
   : GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal, isIntern, Name),
     isConstantGlobal(constant) {
   if (Initializer) Operands.push_back(Use((Value*)Initializer, this));
+
+  LeakDetector::addGarbageObject(this);
+
+  if (ParentModule)
+    ParentModule->getGlobalList().push_back(this);
+}
+
+void GlobalVariable::setParent(Module *parent) {
+  if (getParent())
+    LeakDetector::addGarbageObject(this);
+  Parent = parent;
+  if (getParent())
+    LeakDetector::removeGarbageObject(this);
 }
 
 // Specialize setName to take care of symbol table majik
 void GlobalVariable::setName(const std::string &name, SymbolTable *ST) {
   Module *P;
-  assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+  assert((ST == 0 || (!getParent() || ST == &getParent()->getSymbolTable())) &&
 	 "Invalid symtab argument!");
-  if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+  if ((P = getParent()) && hasName()) P->getSymbolTable().remove(this);
   Value::setName(name);
-  if (P && getName() != "") P->getSymbolTableSure()->insert(this);
+  if (P && getName() != "") P->getSymbolTable().insert(this);
 }