Factor parentness out of Module & GlobalVariable into GlobalValue
Implement SymbolTable debug/dump utility

llvm-svn: 710
diff --git a/llvm/lib/VMCore/Function.cpp b/llvm/lib/VMCore/Function.cpp
index 372d0d2..6e30fe8 100644
--- a/llvm/lib/VMCore/Function.cpp
+++ b/llvm/lib/VMCore/Function.cpp
@@ -29,7 +29,6 @@
   : GlobalValue(PointerType::get(Ty), Value::MethodVal, name),
     SymTabValue(this), BasicBlocks(this), ArgumentList(this, this) {
   assert(::isa<MethodType>(Ty) && "Method signature must be of method type!");
-  Parent = 0;
 }
 
 Method::~Method() {
@@ -90,7 +89,7 @@
 			       ConstPoolVal *Initializer = 0, 
 			       const string &Name = "")
   : GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal, Name),
-    Parent(0), Constant(isConstant) {
+    Constant(isConstant) {
   if (Initializer) Operands.push_back(Use((Value*)Initializer, this));
 
   assert(!isConstant || hasInitializer() &&