From 9eaef21f1f3b77bec6d10cada423c8b037d85a14 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 27 Feb 2003 22:48:28 +0000 Subject: [PATCH] Add new Loop::hasExitBlock helper method llvm-svn: 5663 --- llvm/include/llvm/Analysis/LoopInfo.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/llvm/include/llvm/Analysis/LoopInfo.h b/llvm/include/llvm/Analysis/LoopInfo.h index d4a6224398bb..6b96625c6340 100644 --- a/llvm/include/llvm/Analysis/LoopInfo.h +++ b/llvm/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