From: Chris Lattner <sabre@nondot.org>
Date: Thu, 27 Feb 2003 22:48:28 +0000 (+0000)
Subject: Add new Loop::hasExitBlock helper method
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=6bc428133645e0a4308c1420c1693685e5f0a6f8;p=oota-llvm.git

Add new Loop::hasExitBlock helper method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5663 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index d4a6224398b..6b96625c634 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -69,6 +69,15 @@ public:
   ///
   unsigned getNumBackEdges() const;
 
+  /// hasExitBlock - Return true if the current loop has the specified block as
+  /// an exit block...
+  bool hasExitBlock(BasicBlock *BB) const {
+    for (unsigned i = 0, e = ExitBlocks.size(); i != e; ++i)
+      if (ExitBlocks[i] == BB)
+        return true;
+    return false;
+  }
+
   /// getLoopPreheader - If there is a preheader for this loop, return it.  A
   /// loop has a preheader if there is only one edge to the header of the loop
   /// from outside of the loop.  If this is the case, the block branching to the