[SYCL] Revert barrier deprecation note (#4162)

New barrier is different from SYCL 1.2.1 and is known to cause performance regressions on some configurations. Remove deprecation notice from older barrier until the issue is sorted out.
intel · Jul 26, 2021 · 18c80fa · 18c80fa
1 parent 6ac26ad
commit 18c80fa
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diff --git a/sycl/include/CL/sycl/nd_item.hpp b/sycl/include/CL/sycl/nd_item.hpp
@@ -112,7 +112,6 @@ template <int dimensions = 1> class nd_item {
                                 get_offset());
   }
 
-  __SYCL2020_DEPRECATED("use sycl::group_barrier() free function instead")
   void barrier(access::fence_space accessSpace =
                    access::fence_space::global_and_local) const {
     uint32_t flags = detail::getSPIRVMemorySemanticsMask(accessSpace);

diff --git a/sycl/test/warnings/sycl_2020_deprecations.cpp b/sycl/test/warnings/sycl_2020_deprecations.cpp
@@ -116,8 +116,6 @@ int main() {
     CGH.parallel_for<class Test>(
         sycl::nd_range<1>{sycl::range{10}, sycl::range{10}, sycl::range{1}},
         [](sycl::nd_item<1> it) {
-          // expected-warning@+1{{'barrier' is deprecated: use sycl::group_barrier() free function instead}}
-          it.barrier();
           // expected-warning@+2{{'mem_fence' is deprecated: use sycl::group_barrier() free function instead}}
           // expected-warning@+1{{'mem_fence<sycl::access::mode::read_write>' is deprecated: use sycl::group_barrier() free function instead}}
           it.mem_fence();