From 32002198432e8d701bca76e35a06bfbca94f0701 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 2 Oct 2003 19:44:40 +0000
Subject: [PATCH] There is no reason for Value to be an AbstractTypeUser.  This
 just makes things significantly more complete.  Instead, just make
 DerivedType's AbstractTypeUser's, and make Value contain a PATypeHolder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8828 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Constants.cpp |  4 ----
 lib/VMCore/Value.cpp     | 16 ++--------------
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 20f99134892..bc9196c8ce8 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -581,7 +581,6 @@ void ConstantArray::destroyConstant() {
 ///
 void ConstantArray::refineAbstractType(const DerivedType *OldTy,
                                        const Type *NewTy) {
-  Value::refineAbstractType(OldTy, NewTy);
   if (OldTy == NewTy) return;
 
   // Make everyone now use a constant of the new type...
@@ -650,7 +649,6 @@ void ConstantStruct::destroyConstant() {
 ///
 void ConstantStruct::refineAbstractType(const DerivedType *OldTy,
                                         const Type *NewTy) {
-  Value::refineAbstractType(OldTy, NewTy);
   if (OldTy == NewTy) return;
 
   // Make everyone now use a constant of the new type...
@@ -694,7 +692,6 @@ void ConstantPointerNull::destroyConstant() {
 ///
 void ConstantPointerNull::refineAbstractType(const DerivedType *OldTy,
                                              const Type *NewTy) {
-  Value::refineAbstractType(OldTy, NewTy);
   if (OldTy == NewTy) return;
 
   // Make everyone now use a constant of the new type...
@@ -828,7 +825,6 @@ void ConstantExpr::destroyConstant() {
 ///
 void ConstantExpr::refineAbstractType(const DerivedType *OldTy,
                                       const Type *NewTy) {
-  Value::refineAbstractType(OldTy, NewTy);
   if (OldTy == NewTy) return;
 
   // FIXME: These need to use a lower-level implementation method, because the
diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp
index 245fa482b74..d0fcafbdf01 100644
--- a/lib/VMCore/Value.cpp
+++ b/lib/VMCore/Value.cpp
@@ -21,7 +21,7 @@ static inline const Type *checkType(const Type *Ty) {
 }
 
 Value::Value(const Type *ty, ValueTy vty, const std::string &name)
-  : Name(name), Ty(checkType(ty), this) {
+  : Name(name), Ty(checkType(ty)) {
   VTy = vty;
 }
 
@@ -34,7 +34,7 @@ Value::~Value() {
   // a <badref>
   //
   if (Uses.begin() != Uses.end()) {
-    std::cerr << "While deleting: " << Ty << "%" << Name << "\n";
+    std::cerr << "While deleting: " << *Ty << "%" << Name << "\n";
     for (use_const_iterator I = Uses.begin(); I != Uses.end(); ++I)
       std::cerr << "Use still stuck around after Def is destroyed:"
                 << **I << "\n";
@@ -86,18 +86,6 @@ void Value::uncheckedReplaceAllUsesWith(Value *New) {
 }
 
 
-// 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() == OldTy && "Can't refine anything but my type!");
-  if (OldTy == NewTy && !OldTy->isAbstract())
-    Ty.removeUserFromConcrete();
-  Ty = NewTy;
-}
-
 void Value::killUse(User *U) {
   if (U == 0) return;
   unsigned i;
-- 
2.34.1