Vendor import of llvm r114020 (from the release_28 branch):

http://llvm.org/svn/llvm-project/llvm/branches/release_28@114020

Approved by:	rpaulo (mentor)

1 files changed, 10 insertions, 5 deletions

diff --git a/include/llvm/Support/Regex.h b/include/llvm/Support/Regex.h
index ea65ccf..b46a668 100644
--- a/include/llvm/Support/Regex.h
+++ b/include/llvm/Support/Regex.h
@@ -11,6 +11,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_SUPPORT_REGEX_H
+#define LLVM_SUPPORT_REGEX_H
+
 #include <string>
 
 struct llvm_regex;
@@ -18,7 +21,7 @@ struct llvm_regex;
 namespace llvm {
   class StringRef;
   template<typename T> class SmallVectorImpl;
-  
+
   class Regex {
   public:
     enum {
@@ -26,9 +29,9 @@ namespace llvm {
       /// Compile for matching that ignores upper/lower case distinctions.
       IgnoreCase=1,
       /// Compile for newline-sensitive matching. With this flag '[^' bracket
-      /// expressions and '.' never match newline. A ^ anchor matches the 
-      /// null string after any newline in the string in addition to its normal 
-      /// function, and the $ anchor matches the null string before any 
+      /// expressions and '.' never match newline. A ^ anchor matches the
+      /// null string after any newline in the string in addition to its normal
+      /// function, and the $ anchor matches the null string before any
       /// newline in the string in addition to its normal function.
       Newline=2
     };
@@ -47,7 +50,7 @@ namespace llvm {
     /// matches it contains.  The number filled in by match will include this
     /// many entries plus one for the whole regex (as element 0).
     unsigned getNumMatches() const;
-    
+
     /// matches - Match the regex against a given \arg String.
     ///
     /// \param Matches - If given, on a succesful match this will be filled in
@@ -74,3 +77,5 @@ namespace llvm {
     int error;
   };
 }
+
+#endif // LLVM_SUPPORT_REGEX_H