[llvm] r176771 - Remove unneeded const_cast.

[Jakub Staszak]

Author: kuba
Date: Sat Mar  9 12:24:26 2013
New Revision: 176771

URL: http://llvm.org/viewvc/llvm-project?rev=176771&view=rev
Log:
Remove unneeded const_cast.

Modified:
    llvm/trunk/include/llvm/Analysis/LoopInfo.h

Modified: llvm/trunk/include/llvm/Analysis/LoopInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/LoopInfo.h?rev=176771&r1=176770&r2=176771&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/LoopInfo.h (original)
+++ llvm/trunk/include/llvm/Analysis/LoopInfo.h Sat Mar  9 12:24:26 2013
@@ -147,10 +147,10 @@ public:
   /// block that is outside of the current loop.
   ///
   bool isLoopExiting(const BlockT *BB) const {
-    typedef GraphTraits<BlockT*> BlockTraits;
+    typedef GraphTraits<const BlockT*> BlockTraits;
     for (typename BlockTraits::ChildIteratorType SI =
-         BlockTraits::child_begin(const_cast<BlockT*>(BB)),
-         SE = BlockTraits::child_end(const_cast<BlockT*>(BB)); SI != SE; ++SI) {
+         BlockTraits::child_begin(BB),
+         SE = BlockTraits::child_end(BB); SI != SE; ++SI) {
       if (!contains(*SI))
         return true;
     }
@@ -165,8 +165,8 @@ public:
 
     typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits;
     for (typename InvBlockTraits::ChildIteratorType I =
-         InvBlockTraits::child_begin(const_cast<BlockT*>(H)),
-         E = InvBlockTraits::child_end(const_cast<BlockT*>(H)); I != E; ++I)
+         InvBlockTraits::child_begin(H),
+         E = InvBlockTraits::child_end(H); I != E; ++I)
       if (contains(*I))
         ++NumBackEdges;