Bump libclc to OpenCL 3.0

Author: Hugh Delaney

libclc/CMakeLists.txt

@@ -375,6 +375,18 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
                 # have to be explicity declared in the soruce.
                 list( APPEND flags -Xclang -fdeclare-spirv-builtins)
 
+                # OpenCL 3.0 extensions
+                list( APPEND flags -cl-std=CL3.0 "SHELL:-Xclang" )
+                string(CONCAT CL_3_0_EXTENSIONS
+                  "-cl-ext="
+                  "+cl_khr_fp16,"
+                  "+cl_khr_fp64,"
+                  "+__opencl_c_3d_image_writes,"
+                  "+__opencl_c_images,"
+                  "+cl_khr_3d_image_writes,"
+                  "+__opencl_c_generic_address_space")
+                list( APPEND flags ${CL_3_0_EXTENSIONS})
+
 		add_libclc_builtin_set(libspirv-${arch_suffix}
 			TRIPLE ${t}
 			TARGET_ENV libspirv

libclc/test/binding/core/GroupWaitEvents.cl

@@ -9,7 +9,7 @@
 
 // Autogenerated by gen-libclc-test.py
 
-// RUN: %clang -emit-llvm -S -o - %s | FileCheck %s
+// RUN: %clang -emit-llvm -cl-std=CL2.0 -S -o - %s | FileCheck %s
 
 #include <spirv/spirv_types.h>