From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 15 Aug 2012 19:34:23 +0000
Subject: Vendor import of llvm trunk r161861:
 http://llvm.org/svn/llvm-project/llvm/trunk@161861

---
 include/llvm/CodeGen/MachineLoopInfo.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'include/llvm/CodeGen/MachineLoopInfo.h')

diff --git a/include/llvm/CodeGen/MachineLoopInfo.h b/include/llvm/CodeGen/MachineLoopInfo.h
index 6dd9440..3e204be 100644
--- a/include/llvm/CodeGen/MachineLoopInfo.h
+++ b/include/llvm/CodeGen/MachineLoopInfo.h
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines the MachineLoopInfo class that is used to identify natural 
+// This file defines the MachineLoopInfo class that is used to identify natural
 // loops and determine the loop depth of various nodes of the CFG.  Note that
 // natural loops may actually be several loops that share the same header node.
 //
@@ -35,6 +35,12 @@
 
 namespace llvm {
 
+// Implementation in LoopInfoImpl.h
+#ifdef __GNUC__
+class MachineLoop;
+__extension__ extern template class LoopBase<MachineBasicBlock, MachineLoop>;
+#endif
+
 class MachineLoop : public LoopBase<MachineBasicBlock, MachineLoop> {
 public:
   MachineLoop();
@@ -57,6 +63,12 @@ private:
     : LoopBase<MachineBasicBlock, MachineLoop>(MBB) {}
 };
 
+// Implementation in LoopInfoImpl.h
+#ifdef __GNUC__
+__extension__ extern template
+class LoopInfoBase<MachineBasicBlock, MachineLoop>;
+#endif
+
 class MachineLoopInfo : public MachineFunctionPass {
   LoopInfoBase<MachineBasicBlock, MachineLoop> LI;
   friend class LoopBase<MachineBasicBlock, MachineLoop>;
-- 
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