Switch ConstantVector::get to use ArrayRef instead of a pointer+size

idiom.  Change various clients to simplify their code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125487 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/GlobalOpt.cpp

@@ -2257,8 +2257,7 @@ static Constant *EvaluateStoreInto(Constant *Init, Constant *Val,
 
     if (Init->getType()->isArrayTy())
       return ConstantArray::get(cast<ArrayType>(InitTy), Elts);
-    else
-      return ConstantVector::get(&Elts[0], Elts.size());
+    return ConstantVector::get(Elts);
   }
 }