Revert r212572 "improve BasicAA CS-CS queries", it causes PR20303.

llvm-svn: 213024

1 files changed, 0 insertions, 8 deletions

diff --git a/llvm/include/llvm/Analysis/AliasAnalysis.h b/llvm/include/llvm/Analysis/AliasAnalysis.h
index 79d52fc1538..885286604cc 100644
--- a/llvm/include/llvm/Analysis/AliasAnalysis.h
+++ b/llvm/include/llvm/Analysis/AliasAnalysis.h
@@ -274,14 +274,6 @@ public:
     UnknownModRefBehavior = Anywhere | ModRef
   };
 
-  /// Get the location associated with a pointer argument of a callsite.
-  /// The mask bits are set to indicate the allowed aliasing ModRef kinds.
-  /// Note that these mask bits do not necessarily account for the overall
-  /// behavior of the function, but rather only provide additional
-  /// per-argument information.
-  virtual Location getArgLocation(ImmutableCallSite CS, unsigned ArgIdx,
-                                  ModRefResult &Mask);
-
   /// getModRefBehavior - Return the behavior when calling the given call site.
   virtual ModRefBehavior getModRefBehavior(ImmutableCallSite CS);