add #include guards, thanks Dan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61619 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/PredIteratorCache.h b/include/llvm/Support/PredIteratorCache.h
index 532d65e6d447946666d2672cd12a97c5d7017009..2de2a02461dedfb3f5649801277a292adcfca395 100644 (file)
--- a/include/llvm/Support/PredIteratorCache.h
+++ b/include/llvm/Support/PredIteratorCache.h
@@ -16,6 +16,9 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
 
+#ifndef LLVM_SUPPORT_PREDITERATORCACHE_H
+#define LLVM_SUPPORT_PREDITERATORCACHE_H
+
 namespace llvm {
 
   /// PredIteratorCache - This class is an extremely trivial cache for
@@ -55,3 +58,5 @@ namespace llvm {
   };
 } // end namespace llvm
 
+#endif
+