//===-- Value.cpp - Implement the Value class -----------------------------===//
//
-// This file implements the Value class.
+// This file implements the Value, User, and SymTabValue classes.
//
//===----------------------------------------------------------------------===//
#include "llvm/InstrTypes.h"
#include "llvm/SymbolTable.h"
#include "llvm/SymTabValue.h"
-#include "llvm/ConstantPool.h"
-#include "llvm/ConstPoolVals.h"
#include "llvm/Type.h"
#ifndef NDEBUG // Only in -g mode...
#include "llvm/Assembly/Writer.h"
// Value Class
//===----------------------------------------------------------------------===//
-Value::Value(const Type *ty, ValueTy vty, const string &name = "") : Name(name){
- Ty = ty;
+Value::Value(const Type *ty, ValueTy vty, const string &name = "")
+ : Name(name), Ty(ty, this) {
VTy = vty;
}
// a <badref>
//
if (Uses.begin() != Uses.end()) {
+ cerr << "While deleting: " << this;
for (use_const_iterator I = Uses.begin(); I != Uses.end(); ++I)
cerr << "Use still stuck around after Def is destroyed:" << *I << endl;
}
assert(D && "Value::replaceAllUsesWith(<null>) is invalid!");
assert(D != this && "V->replaceAllUsesWith(V) is NOT valid!");
while (!Uses.empty()) {
- User *Use = Uses.front();
+ User *Use = Uses.back();
#ifndef NDEBUG
unsigned NumUses = Uses.size();
#endif
}
}
+// refineAbstractType - This function is implemented because we use
+// potentially abstract types, and these types may be resolved to more
+// concrete types after we are constructed. For the value class, we simply
+// change Ty to point to the right type. :)
+//
+void Value::refineAbstractType(const DerivedType *OldTy, const Type *NewTy) {
+ assert(Ty.get() == (const Type*)OldTy &&"Can't refine anything but my type!");
+ Ty = NewTy;
+}
+
void Value::killUse(User *i) {
if (i == 0) return;
use_iterator I = find(Uses.begin(), Uses.end(), i);
return i;
}
+#ifndef NDEBUG // Only in -g mode...
+void Value::dump() const {
+ cerr << this;
+}
+#endif
//===----------------------------------------------------------------------===//
// User Class
// SymTabValue Class
//===----------------------------------------------------------------------===//
-// Instantiate Templates - This ugliness is the price we have to pay
-// for having a ValueHolderImpl.h file seperate from ValueHolder.h! :(
-//
-template class ValueHolder<ConstPoolVal, SymTabValue, SymTabValue>;
-
-SymTabValue::SymTabValue(Value *p) : ConstPool(this), ValueParent(p) {
+SymTabValue::SymTabValue(Value *p) : ValueParent(p) {
assert(ValueParent && "SymTavValue without parent!?!");
ParentSymTab = SymTab = 0;
}
SymTabValue::~SymTabValue() {
- ConstPool.dropAllReferences();
- ConstPool.delete_all();
- ConstPool.setParent(0);
-
delete SymTab;
}