Vendor import of llvm trunk r154661:

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

1 files changed, 6 insertions, 1 deletions

diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h
index d71ba20..b823f71 100644
--- a/include/llvm/Analysis/AliasAnalysis.h
+++ b/include/llvm/Analysis/AliasAnalysis.h
@@ -327,7 +327,7 @@ public:
   }
 
   /// doesAccessArgPointees - Return true if functions with the specified
-  /// behavior are known to potentially read or write  from objects pointed
+  /// behavior are known to potentially read or write from objects pointed
   /// to be their pointer-typed arguments (with arbitrary offsets).
   ///
   static bool doesAccessArgPointees(ModRefBehavior MRB) {
@@ -568,6 +568,11 @@ bool isNoAliasCall(const Value *V);
 ///
 bool isIdentifiedObject(const Value *V);
 
+/// isKnownNonNull - Return true if this pointer couldn't possibly be null by
+/// its definition.  This returns true for allocas, non-extern-weak globals and
+/// byval arguments.
+bool isKnownNonNull(const Value *V);
+
 } // End llvm namespace
 
 #endif