[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, 7 insertions, 0 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index f83eea5de0e..b2178dc4a1f 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1368,6 +1368,8 @@ namespace {
     1,    // opencl_global
     3,    // opencl_local
     4,    // opencl_constant
+    // FIXME: generic has to be added to the target
+    0,    // opencl_generic
     1,    // cuda_device
     4,    // cuda_constant
     3,    // cuda_shared
@@ -1487,6 +1489,8 @@ static const unsigned R600AddrSpaceMap[] = {
   1,    // opencl_global
   3,    // opencl_local
   2,    // opencl_constant
+  // FIXME: generic has to be added to the target
+  0,    // opencl_generic
   1,    // cuda_device
   2,    // cuda_constant
   3     // cuda_shared
@@ -5381,6 +5385,8 @@ namespace {
       3, // opencl_global
       4, // opencl_local
       5, // opencl_constant
+      // FIXME: generic has to be added to the target
+      0, // opencl_generic
       0, // cuda_device
       0, // cuda_constant
       0  // cuda_shared
@@ -6104,6 +6110,7 @@ namespace {
     1,    // opencl_global
     3,    // opencl_local
     2,    // opencl_constant
+    4,    // opencl_generic
     0,    // cuda_device
     0,    // cuda_constant
     0     // cuda_shared