1 files changed, 35 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaUtil.h b/clang/lib/Sema/SemaUtil.h
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index 00000000000..35452b18e6f
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+++ b/clang/lib/Sema/SemaUtil.h
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+//===--- SemaUtil.h - Utility functions for semantic analysis -------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file provides a few static inline functions that are useful for
+//  performing semantic analysis.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_SEMA_UTIL_H
+#define LLVM_CLANG_SEMA_UTIL_H
+
+#include "clang/AST/Expr.h"
+
+namespace clang {
+
+/// Utility method to determine if a CallExpr is a call to a builtin.
+static inline bool isCallBuiltin(CallExpr* cexp) {
+  Expr* sub = cexp->getCallee()->IgnoreParenCasts();
+  
+  if (DeclRefExpr* E = dyn_cast<DeclRefExpr>(sub))
+    if (E->getDecl()->getIdentifier()->getBuiltinID() > 0)
+      return true;
+  
+  return false;
+}
+  
+} // end namespace clang
+
+#endif