r338831 - Fix unused variable warning in tablegen generated code

[Karl-Johan Karlsson via cfe-commits]

Author: karka
Date: Fri Aug  3 02:13:15 2018
New Revision: 338831

URL: http://llvm.org/viewvc/llvm-project?rev=338831&view=rev
Log:
Fix unused variable warning in tablegen generated code

Modified:
    cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp

Modified: cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp?rev=338831&r1=338830&r2=338831&view=diff
==============================================================================
--- cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp (original)
+++ cfe/trunk/utils/TableGen/ClangAttrEmitter.cpp Fri Aug  3 02:13:15 2018
@@ -3274,11 +3274,15 @@ static std::string GenerateCustomApperta
     return "";
   }
 
+  const StringRef CheckCodeValue = Subject.getValueAsString("CheckCode");
+
   OS << "static bool " << FnName << "(const Decl *D) {\n";
-  OS << "  if (const auto *S = dyn_cast<";
-  OS << GetSubjectWithSuffix(Base);
-  OS << ">(D))\n";
-  OS << "    return " << Subject.getValueAsString("CheckCode") << ";\n";
+  if (CheckCodeValue != "false") {
+    OS << "  if (const auto *S = dyn_cast<";
+    OS << GetSubjectWithSuffix(Base);
+    OS << ">(D))\n";
+    OS << "    return " << Subject.getValueAsString("CheckCode") << ";\n";
+  }
   OS << "  return false;\n";
   OS << "}\n\n";