[PATCH] D23573: [OpenCL] Add extension cl_khr_subgroups to clang

[Aaron En Ye Shi via cfe-commits]

ashi1 created this revision.
ashi1 added reviewers: yaxunl, Anastasia.
ashi1 added a subscriber: cfe-commits.
ashi1 set the repository for this revision to rL LLVM.

Adding extension cl_khr_subgroups to clang's OpenCL Extensions and initiated inside AMDGPU Target. Similar to https://reviews.llvm.org/D22637 

Repository:
  rL LLVM

https://reviews.llvm.org/D23573

Files:
  lib/Basic/Targets.cpp
  test/Misc/amdgcn.languageOptsOpenCL.cl
  test/SemaOpenCL/extension-version.cl

Index: test/SemaOpenCL/extension-version.cl
===================================================================
--- test/SemaOpenCL/extension-version.cl
+++ test/SemaOpenCL/extension-version.cl
@@ -247,6 +247,9 @@
 #error "Missing cl_khr_subgroups define"
 #endif
 #else
+#ifdef cl_khr_subgroups
+#error "Incorrect cl_khr_subgroups define"
+#endif
 // expected-warning at +2{{unsupported OpenCL extension 'cl_khr_subgroups' - ignoring}}
 #endif
 #pragma OPENCL EXTENSION cl_khr_subgroups: enable
Index: test/Misc/amdgcn.languageOptsOpenCL.cl
===================================================================
--- test/Misc/amdgcn.languageOptsOpenCL.cl
+++ test/Misc/amdgcn.languageOptsOpenCL.cl
@@ -199,11 +199,17 @@
 #pragma OPENCL EXTENSION cl_khr_srgb_image_writes: enable
 // expected-warning at -1{{unsupported OpenCL extension 'cl_khr_srgb_image_writes' - ignoring}}
 
+#if (__OPENCL_C_VERSION__ >= 200)
+#ifndef cl_khr_subgroups
+#error "Missing cl_khr_subgroups define"
+#endif
+#else
 #ifdef cl_khr_subgroups
 #error "Incorrect cl_khr_subgroups define"
 #endif
+// expected-warning at +2{{unsupported OpenCL extension 'cl_khr_subgroups' - ignoring}}
+#endif
 #pragma OPENCL EXTENSION cl_khr_subgroups: enable
-// expected-warning at -1{{unsupported OpenCL extension 'cl_khr_subgroups' - ignoring}}
 
 #ifdef cl_khr_terminate_context
 #error "Incorrect cl_khr_terminate_context define"
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -2127,6 +2127,7 @@
       Opts.cl_khr_int64_base_atomics = 1;
       Opts.cl_khr_int64_extended_atomics = 1;
       Opts.cl_khr_mipmap_image = 1;
+      Opts.cl_khr_subgroups = 1;
       Opts.cl_khr_3d_image_writes = 1;
     }
   }


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