[SYCL] Use mangled identifiers for SYCL kernel names

Mangling of kernel names removes characters like '<', ',', '>'.

Signed-off-by: Vladimir Lazarev <vladimir.lazarev@intel.com>

clang/include/clang/CodeGen/OclCxxRewrite/BifNameReflower.h

@@ -0,0 +1,47 @@
+//===- BifNameReflower.h - Built-in name reflower pass (OCLC++) -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//
+//
+// Copyright (c) 2015 The Khronos Group Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and/or associated documentation files (the
+// "Materials"), to deal in the Materials without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Materials, and to
+// permit persons to whom the Materials are furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Materials.
+//
+// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef CLANG_LIB_CODEGEN_OCLCXXREWRITE_BIFNAMEREFLOWER_H
+#define CLANG_LIB_CODEGEN_OCLCXXREWRITE_BIFNAMEREFLOWER_H
+
+namespace llvm {
+
+class ModulePass;
+class PassRegistry;
+
+void initializeOclCxxBifNameReflowerPass(PassRegistry &);
+
+ModulePass *createOclCxxBifNameReflowerPass();
+}
+
+#endif // CLANG_LIB_CODEGEN_OCLCXXREWRITE_BIFNAMEREFLOWER_H