[NFC] Remove method from FoldingSet that already existed in APInt. (#90486)

Noticed that there already was a function in APInt that updated a
FoldingSet so there was no need for me to add it in
#84617.

Author: andjo403

llvm/include/llvm/ADT/FoldingSet.h

@@ -16,7 +16,6 @@
 #ifndef LLVM_ADT_FOLDINGSET_H
 #define LLVM_ADT_FOLDINGSET_H
 
-#include "llvm/ADT/APInt.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/STLForwardCompat.h"
 #include "llvm/ADT/SmallVector.h"
@@ -355,13 +354,6 @@ class FoldingSetNodeID {
     AddInteger(unsigned(I));
     AddInteger(unsigned(I >> 32));
   }
-  void AddInteger(const APInt &Int) {
-    AddInteger(Int.getBitWidth());
-    const auto *Parts = Int.getRawData();
-    for (int i = 0, N = Int.getNumWords(); i < N; ++i) {
-      AddInteger(Parts[i]);
-    }
-  }
 
   void AddBoolean(bool B) { AddInteger(B ? 1U : 0U); }
   void AddString(StringRef String);

llvm/lib/IR/AttributeImpl.h

@@ -121,8 +121,8 @@ class AttributeImpl : public FoldingSetNode {
   static void Profile(FoldingSetNodeID &ID, Attribute::AttrKind Kind,
                       const ConstantRange &CR) {
     ID.AddInteger(Kind);
-    ID.AddInteger(CR.getLower());
-    ID.AddInteger(CR.getUpper());
+    CR.getLower().Profile(ID);
+    CR.getUpper().Profile(ID);
   }
 };
 

llvm/lib/IR/Attributes.cpp

@@ -173,8 +173,8 @@ Attribute Attribute::get(LLVMContext &Context, Attribute::AttrKind Kind,
   LLVMContextImpl *pImpl = Context.pImpl;
   FoldingSetNodeID ID;
   ID.AddInteger(Kind);
-  ID.AddInteger(CR.getLower());
-  ID.AddInteger(CR.getUpper());
+  CR.getLower().Profile(ID);
+  CR.getUpper().Profile(ID);
 
   void *InsertPoint;
   AttributeImpl *PA = pImpl->AttrsSet.FindNodeOrInsertPos(ID, InsertPoint);