[llvm-commits] [llvm] r126804 - /llvm/trunk/include/llvm/Support/CFG.h

[Dan Gohman]

Author: djg
Date: Tue Mar  1 18:11:28 2011
New Revision: 126804

URL: http://llvm.org/viewvc/llvm-project?rev=126804&view=rev
Log:
Make pred_iterator DefaultConstructible, and add an accessor to
retrieve the underlying getOperandNo() value.

Modified:
    llvm/trunk/include/llvm/Support/CFG.h

Modified: llvm/trunk/include/llvm/Support/CFG.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/CFG.h?rev=126804&r1=126803&r2=126804&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/CFG.h (original)
+++ llvm/trunk/include/llvm/Support/CFG.h Tue Mar  1 18:11:28 2011
@@ -41,6 +41,7 @@
 public:
   typedef typename super::pointer pointer;
 
+  PredIterator() {}
   explicit inline PredIterator(Ptr *bb) : It(bb->use_begin()) {
     advancePastNonTerminators();
   }
@@ -64,6 +65,12 @@
   inline Self operator++(int) { // Postincrement
     Self tmp = *this; ++*this; return tmp;
   }
+
+  /// getOperandNo - Return the operand number in the predecessor's
+  /// terminator of the successor.
+  unsigned getOperandNo() const {
+    return It.getOperandNo();
+  }
 };
 
 typedef PredIterator<BasicBlock, Value::use_iterator> pred_iterator;