From: Chris Lattner <sabre@nondot.org>
Date: Mon, 12 Sep 2005 17:03:16 +0000 (+0000)
Subject: new method
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=331a1833e12b6229986f63f0a156062affbf3142;p=oota-llvm.git

new method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23314 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index 9357d8fb6ea..839b47ca297 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -121,6 +121,12 @@ public:
   ///
   BasicBlock *getLoopPreheader() const;
 
+  /// getLoopLatch - If there is a latch block for this loop, return it.  A
+  /// latch block is the canonical backedge for a loop.  A loop header in normal
+  /// form has two edges into it: one from a preheader and one from a latch
+  /// block.
+  BasicBlock *getLoopLatch() const;
+  
   /// getCanonicalInductionVariable - Check to see if the loop has a canonical
   /// induction variable: an integer recurrence that starts at 0 and increments
   /// by one each time through the loop.  If so, return the phi node that