r259118 - [analyzer] NullabilityChecker: Remove unused isReturnSelf() function.

[Devin Coughlin via cfe-commits]

Author: dcoughlin
Date: Thu Jan 28 17:34:13 2016
New Revision: 259118

URL: http://llvm.org/viewvc/llvm-project?rev=259118&view=rev
Log:
[analyzer] NullabilityChecker: Remove unused isReturnSelf() function.

Remove the now-unused isReturnSelf() function so we don't get a compiler
warning. Apologies for not doing this in r259099.

Modified:
    cfe/trunk/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp

Modified: cfe/trunk/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp?rev=259118&r1=259117&r2=259118&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Checkers/NullabilityChecker.cpp Thu Jan 28 17:34:13 2016
@@ -470,22 +470,6 @@ static const Expr *lookThroughImplicitCa
   return E;
 }
 
-/// Returns true when the return statement is a syntactic 'return self' in
-/// Objective-C.
-static bool isReturnSelf(const ReturnStmt *RS, CheckerContext &C) {
-  const ImplicitParamDecl *SelfDecl =
-    C.getCurrentAnalysisDeclContext()->getSelfDecl();
-  if (!SelfDecl)
-    return false;
-
-  const Expr *ReturnExpr = lookThroughImplicitCasts(RS->getRetValue());
-  auto *RefExpr = dyn_cast<DeclRefExpr>(ReturnExpr);
-  if (!RefExpr)
-    return false;
-
-  return RefExpr->getDecl() == SelfDecl;
-}
-
 /// This method check when nullable pointer or null value is returned from a
 /// function that has nonnull return type.
 ///