[OpenCL] Add supported OpenCL extensions to target info.

Add supported OpenCL extensions to target info. It serves as default values to save the users of the burden setting each supported extensions and optional core features in command line.

Differential Revision: http://reviews.llvm.org/D19484

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@269431 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 68 insertions, 0 deletions

diff --git a/include/clang/Basic/OpenCLOptions.h b/include/clang/Basic/OpenCLOptions.h
new file mode 100644
index 0000000000..4aaa3d74cc
--- /dev/null
+++ b/include/clang/Basic/OpenCLOptions.h
@@ -0,0 +1,68 @@
+//===--- OpenCLOptions.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Defines the clang::OpenCLOptions class.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_BASIC_OPENCLOPTIONS_H
+#define LLVM_CLANG_BASIC_OPENCLOPTIONS_H
+
+#include <string>
+#include <vector>
+
+namespace clang {
+
+/// \brief OpenCL supported extensions and optional core features
+class OpenCLOptions {
+public:
+#define OPENCLEXT(nm) unsigned nm : 1;
+#include "clang/Basic/OpenCLExtensions.def"
+
+  OpenCLOptions() {
+#define OPENCLEXT(nm)   nm = 0;
+#include "clang/Basic/OpenCLExtensions.def"
+  }
+
+  // Enable all options.
+  void setAll() {
+#define OPENCLEXT(nm)   nm = 1;
+#include "clang/Basic/OpenCLExtensions.def"
+  }
+
+  // Is supported with OpenCL version \p OCLVer.
+#define OPENCLEXT_INTERNAL(Ext, Avail, ...) \
+  bool is_##Ext##_supported(unsigned OCLVer) const { \
+    return Ext && OCLVer >= Avail; \
+  }
+#include "clang/Basic/OpenCLExtensions.def"
+
+
+  // Is supported OpenCL extension with OpenCL version \p OCLVer.
+  // For supported optional core feature, return false.
+#define OPENCLEXT_INTERNAL(Ext, Avail, Core) \
+  bool is_##Ext##_supported_extension(unsigned CLVer) const { \
+    return is_##Ext##_supported(CLVer) && (Core == ~0U || CLVer < Core); \
+  }
+#include "clang/Basic/OpenCLExtensions.def"
+
+  // Is supported OpenCL core features with OpenCL version \p OCLVer.
+  // For supported extension, return false.
+#define OPENCLEXT_INTERNAL(Ext, Avail, Core) \
+  bool is_##Ext##_supported_core(unsigned CLVer) const { \
+    return is_##Ext##_supported(CLVer) && Core != ~0U && CLVer >= Core; \
+  }
+#include "clang/Basic/OpenCLExtensions.def"
+
+};
+
+}  // end namespace clang
+
+#endif