Merge from 'sycl' to 'sycl-web' (#1)

Author: iclsrc

clang/include/clang/Basic/AttributeCommonInfo.h

@@ -155,6 +155,7 @@ class AttributeCommonInfo {
     auto ParsedAttr = getParsedKind();
     if (ParsedAttr == AT_SYCLIntelKernelArgsRestrict ||
         (ParsedAttr == AT_ReqdWorkGroupSize && isCXX11Attribute()) ||
+        (ParsedAttr == AT_IntelReqdSubGroupSize && isCXX11Attribute()) ||
         ParsedAttr == AT_SYCLIntelNumSimdWorkItems ||
         ParsedAttr == AT_SYCLIntelMaxWorkGroupSize)
       return true;

clang/test/CodeGenSYCL/reqd-sub-group-size.cpp

@@ -25,10 +25,15 @@ void bar() {
 
   Functor f;
   kernel<class kernel_name2>(f);
+
+  kernel<class kernel_name3>(
+  []() [[cl::intel_reqd_sub_group_size(4)]] {});
 }
 
 // CHECK: define spir_kernel void @{{.*}}kernel_name1() {{.*}} !intel_reqd_sub_group_size ![[SGSIZE16:[0-9]+]]
 // CHECK: define spir_kernel void @{{.*}}kernel_name2() {{.*}} !intel_reqd_sub_group_size ![[SGSIZE8:[0-9]+]]
+// CHECK: define spir_kernel void @{{.*}}kernel_name3() {{.*}} !intel_reqd_sub_group_size ![[SGSIZE4:[0-9]+]]
 // CHECK: ![[SGSIZE16]] = !{i32 16}
 // CHECK: ![[SGSIZE8]] = !{i32 8}
+// CHECK: ![[SGSIZE4]] = !{i32 4}
 

clang/test/SemaSYCL/reqd-sub-group-size.cpp

@@ -45,9 +45,13 @@ void bar() {
     baz();
   });
 #endif
+
+  kernel<class kernel_name5>([]() [[cl::intel_reqd_sub_group_size(2)]] { });
 }
 
 // CHECK: FunctionDecl {{.*}} {{.*}}kernel_name1
 // CHECK: IntelReqdSubGroupSizeAttr {{.*}} 16
 // CHECK: FunctionDecl {{.*}} {{.*}}kernel_name2
 // CHECK: IntelReqdSubGroupSizeAttr {{.*}} 4
+// CHECK: FunctionDecl {{.*}} {{.*}}kernel_name5
+// CHECK: IntelReqdSubGroupSizeAttr {{.*}} 2