[OpenCL] Generic address space has been added in OpenCL v2.0.

To support it in the frontend, the following has been added:  
- generic address space type attribute;
- documentation for the OpenCL address space attributes;
- parsing of __generic(generic) keyword;
- test code for the parser and diagnostics.

llvm-svn: 222831

1 files changed, 4 insertions, 3 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 1804c006476..a0b80174882 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -699,9 +699,10 @@ static const LangAS::Map *getAddressSpaceMap(const TargetInfo &T,
       1, // opencl_global
       2, // opencl_local
       3, // opencl_constant
-      4, // cuda_device
-      5, // cuda_constant
-      6  // cuda_shared
+      4, // opencl_generic
+      5, // cuda_device
+      6, // cuda_constant
+      7  // cuda_shared
     };
     return &FakeAddrSpaceMap;
   } else {