Add an extra operand to LABEL nodes which distinguishes between debug, EH, or misc...

[oota-llvm.git] / include / llvm / Use.h

diff --git a/include/llvm/Use.h b/include/llvm/Use.h
index eeff52fcb6a4e1797fe3a846340db95b7440dcfc..c5a3212ed83e5f6e98c82edf00bb1092e2c6efa1 100644 (file)
--- a/include/llvm/Use.h
+++ b/include/llvm/Use.h
@@ -2,8 +2,8 @@
 //
 //                     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.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -120,6 +120,9 @@ public:
   bool operator!=(const _Self &x) const {
     return !operator==(x);
   }
+  
+  /// atEnd - return true if this iterator is equal to use_end() on the value.
+  bool atEnd() const { return U == 0; }
 
   // Iterator traversal: forward iteration only
   _Self &operator++() {          // Preincrement
@@ -140,6 +143,11 @@ public:
   UserTy *operator->() const { return operator*(); }
 
   Use &getUse() const { return *U; }
+  
+  /// getOperandNo - Return the operand # of this use in its User.  Defined in
+  /// User.h
+  ///
+  unsigned getOperandNo() const;
 };