//===-- Support/EquivalenceClasses.h ----------------------------*- C++ -*-===//
//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
// Generic implementation of equivalence classes and implementation of
// union-find algorithms A not-so-fancy implementation: 2 level tree i.e root
// and one more level Overhead of a union = size of the equivalence class being