[analyzer] Migrate BuiltinFunctionChecker to CheckerV2.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp b/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp
index 417b015..1a86120 100644
--- a/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp
@@ -11,8 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "InternalChecks.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/Checker.h"
+#include "ClangSACheckers.h"
+#include "clang/StaticAnalyzer/Core/CheckerV2.h"
+#include "clang/StaticAnalyzer/Core/CheckerManager.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
 #include "clang/Basic/Builtins.h"
 
 using namespace clang;
@@ -20,19 +22,15 @@
 
 namespace {
 
-class BuiltinFunctionChecker : public Checker {
+class BuiltinFunctionChecker : public CheckerV2<eval::Call> {
 public:
-  static void *getTag() { static int tag = 0; return &tag; }
-  virtual bool evalCallExpr(CheckerContext &C, const CallExpr *CE);
+  bool evalCall(const CallExpr *CE, CheckerContext &C) const;
 };
 
 }
 
-void ento::RegisterBuiltinFunctionChecker(ExprEngine &Eng) {
-  Eng.registerCheck(new BuiltinFunctionChecker());
-}
-
-bool BuiltinFunctionChecker::evalCallExpr(CheckerContext &C,const CallExpr *CE){
+bool BuiltinFunctionChecker::evalCall(const CallExpr *CE,
+                                      CheckerContext &C) const{
   const GRState *state = C.getState();
   const Expr *Callee = CE->getCallee();
   SVal L = state->getSVal(Callee);
@@ -81,3 +79,7 @@
 
   return false;
 }
+
+void ento::registerBuiltinFunctionChecker(CheckerManager &mgr) {
+  mgr.registerChecker<BuiltinFunctionChecker>();
+}