[SYCL] remove tests added to llvm-test-suite (#2654)

Tests which do no support host execution are removed. Other tests
are limited to compilation and execution on host device.

Author: vladimirlaz

sycl/test/context-with-multiple-devices/context-with-multiple-devices.cpp

@@ -1,12 +1,5 @@
-// UNSUPPORTED: windows
-// UNSUPPORTED: cuda || level_zero
-// CUDA does not support the function pointer as kernel argument extension.
-// Hangs on level zero
-
 // RUN: %clangxx -Xclang -fsycl-allow-func-ptr -std=c++14 -fsycl %s -o %t.out
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
-// RUN: %CPU_RUN_PLACEHOLDER %t.out
-// RUN: %GPU_RUN_PLACEHOLDER %t.out
 // FIXME: This test should use runtime early exit once correct check for
 // corresponding extension is implemented
 

sycl/test/function-pointers/fp-as-kernel-arg.cpp

@@ -1,12 +1,5 @@
-// UNSUPPORTED: windows
-// UNSUPPORTED: cuda || level_zero
-// CUDA does not support the function pointer as kernel argument extension.
-// Hangs on level zero
-
 // RUN: %clangxx -Xclang -fsycl-allow-func-ptr -std=c++14 -fsycl %s -o %t.out
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
-// RUN: %CPU_RUN_PLACEHOLDER %t.out
-// RUN: %GPU_RUN_PLACEHOLDER %t.out
 // FIXME: This test should use runtime early exit once correct check for
 // corresponding extension is implemented
 

sycl/test/function-pointers/pass-fp-through-buffer.cpp

@@ -1,8 +1,5 @@
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -o %t.out %s
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
-// RUN: %CPU_RUN_PLACEHOLDER %t.out
-// RUN: %GPU_RUN_PLACEHOLDER %t.out
-// RUN: %ACC_RUN_PLACEHOLDER %t.out
 
 #include <CL/sycl.hpp>
 #include <cassert>

sycl/test/functor/functor_inheritance.cpp

@@ -1,8 +1,6 @@
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -o %t.out %s
 // RUN: cd %T
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
-// RUN: %CPU_RUN_PLACEHOLDER %t.out
-// RUN: %GPU_RUN_PLACEHOLDER %t.out
 
 //==--- kernel_functor.cpp - Functors as SYCL kernel test ------------------==//
 //