[Driver] Add support for -fno-builtin-foo options.
Addresses PR4941 and rdar://6756912.
http://reviews.llvm.org/D15195
llvm-svn: 256937
diff --git a/clang/lib/Basic/LangOptions.cpp b/clang/lib/Basic/LangOptions.cpp
index 2c87845..1b08b06 100644
--- a/clang/lib/Basic/LangOptions.cpp
+++ b/clang/lib/Basic/LangOptions.cpp
@@ -11,6 +11,7 @@
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/LangOptions.h"
+#include "llvm/ADT/StringRef.h"
using namespace clang;
@@ -36,3 +37,10 @@
ImplementationOfModule.clear();
}
+bool LangOptions::isNoBuiltinFunc(const char *Name) const {
+ StringRef FuncName(Name);
+ for (unsigned i = 0, e = NoBuiltinFuncs.size(); i != e; ++i)
+ if (FuncName.equals(NoBuiltinFuncs[i]))
+ return true;
+ return false;
+}