[SYCL] Correct bfloat16 namespace in ESIMD and matrix tests (intel#1422)

intel/llvm#6524 moved bfloat16 out of the
experimental namespace. This commit removes the last remaining uses
of the experimental namespace in bfloat16 for ESIMD and matrix tests.

Signed-off-by: Larsen, Steffen <steffen.larsen@intel.com>

Author: steffenlarsen

SYCL/ESIMD/dpas/dpas_common.hpp

@@ -102,7 +102,7 @@ template <dpas_argument_type T> struct DpasNaturalOperandType {
           std::conditional_t<
               is_fp16, sycl::half,
               std::conditional_t<
-                  is_bf16, sycl::ext::oneapi::experimental::bfloat16,
+                  is_bf16, sycl::ext::oneapi::bfloat16,
                   std::conditional_t<
                       is_tf32, sycl::ext::intel::experimental::esimd::tfloat32,
                       void>>>>>;

SYCL/ESIMD/lsc/lsc_surf_load_u8_u16.cpp

@@ -29,7 +29,7 @@ int main(void) {
 
   passed &= tests<0, uint8_t>();
   passed &= tests<3, uint16_t>();
-  passed &= tests<6, sycl::ext::oneapi::experimental::bfloat16>();
+  passed &= tests<6, sycl::ext::oneapi::bfloat16>();
   passed &= tests<9, half>();
 
   std::cout << (passed ? "Passed\n" : "FAILED\n");

SYCL/ESIMD/lsc/lsc_usm_load_u8_u16.cpp

@@ -29,7 +29,7 @@ int main(void) {
 
   passed &= tests<0, uint8_t>();
   passed &= tests<3, uint16_t>();
-  passed &= tests<6, sycl::ext::oneapi::experimental::bfloat16>();
+  passed &= tests<6, sycl::ext::oneapi::bfloat16>();
   passed &= tests<9, half>();
 
   std::cout << (passed ? "Passed\n" : "FAILED\n");

SYCL/Matrix/XMX8/joint_matrix_bfloat16.cpp

@@ -16,7 +16,7 @@
 
 using namespace sycl;
 using namespace sycl::ext::oneapi::experimental::matrix;
-using bfloat16 = sycl::ext::oneapi::experimental::bfloat16;
+using bfloat16 = sycl::ext::oneapi::bfloat16;
 
 #define SG_SZ 8
 

SYCL/Matrix/XMX8/joint_matrix_bfloat16_use.cpp

@@ -17,7 +17,7 @@
 #include <sycl/sycl.hpp>
 
 using namespace sycl::ext::oneapi::experimental::matrix;
-using bfloat16 = sycl::ext::oneapi::experimental::bfloat16;
+using bfloat16 = sycl::ext::oneapi::bfloat16;
 
 #define SG_SZ 8