[SYCL] Move host-compiler tests from in-tree LIT (intel#1240)

This commit moves fsycl-host-compiler.cpp and
fsycl-host-compiler-win.cpp from the intel/llvm in-tree lit tests to the
test-suite to allow the device dependence.

Signed-off-by: Larsen, Steffen <[email protected]>

Author: steffenlarsen

SYCL/Regression/fsycl-host-compiler-win.cpp

@@ -0,0 +1,47 @@
+// RUN: %clangxx -fsycl -fsycl-host-compiler=cl -DDEFINE_CHECK -fsycl-host-compiler-options="-DDEFINE_CHECK /std:c++17" /Fe%t.exe %s
+// RUN: %CPU_RUN_PLACEHOLDER %t.exe
+// RUN: %GPU_RUN_PLACEHOLDER %t.exe
+// RUN: %ACC_RUN_PLACEHOLDER %t.exe
+// REQUIRES: windows
+//
+//==------- fsycl-host-compiler-win.cpp - external host compiler test ------==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Uses -fsycl-host-compiler=<compiler> on a simple test, requires 'cl'
+
+#include <sycl/sycl.hpp>
+
+#ifndef DEFINE_CHECK
+#error predefined macro not set
+#endif // DEFINE_CHECK
+
+using namespace sycl;
+
+int main() {
+  int data[] = {0, 0, 0};
+
+  {
+    buffer<int, 1> b(data, range<1>(3), {property::buffer::use_host_ptr()});
+    queue q;
+    q.submit([&](handler &cgh) {
+      auto B = b.get_access<access::mode::write>(cgh);
+      cgh.parallel_for<class test>(range<1>(3), [=](id<1> idx) { B[idx] = 1; });
+    });
+  }
+
+  bool isSuccess = true;
+
+  for (int i = 0; i < 3; i++)
+    if (data[i] != 1)
+      isSuccess = false;
+
+  if (!isSuccess)
+    return -1;
+
+  return 0;
+}

SYCL/Regression/fsycl-host-compiler.cpp

@@ -0,0 +1,57 @@
+// RUN: %clangxx -fsycl -fsycl-host-compiler=g++ -DDEFINE_CHECK -fsycl-host-compiler-options="-DDEFINE_CHECK -std=c++17" -o %t.out %s
+// RUN: %CPU_RUN_PLACEHOLDER %t.out
+// RUN: %GPU_RUN_PLACEHOLDER %t.out
+// RUN: %ACC_RUN_PLACEHOLDER %t.out
+// REQUIRES: linux
+//==------- fsycl-host-compiler.cpp - external host compiler test ----------==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Uses -fsycl-host-compiler=<compiler> on a simple test, requires 'g++'
+
+#include <sycl/sycl.hpp>
+
+#ifndef DEFINE_CHECK
+#error predefined macro not set
+#endif // DEFINE_CHECK
+
+using namespace sycl;
+
+int main() {
+  int data[] = {0, 0, 0};
+
+  {
+    buffer<int, 1> b(data, range<1>(3), {property::buffer::use_host_ptr()});
+    queue q;
+    q.submit([&](handler &cgh) {
+      auto B = b.get_access<access::mode::write>(cgh);
+      cgh.parallel_for<class test>(range<1>(3), [=](id<1> idx) { B[idx] = 1; });
+    });
+  }
+
+  bool isSuccess = true;
+
+  for (int i = 0; i < 3; i++)
+    if (data[i] != 1)
+      isSuccess = false;
+
+  {
+    buffer<int, 1> b(1);
+    queue q;
+    q.submit([&](handler &cgh) {
+       accessor a{b, cgh};
+       cgh.single_task<class test2>([=] { a[0] = 42; });
+     }).wait();
+    host_accessor a{b};
+    isSuccess &= (a[0] == 42);
+  }
+
+  if (!isSuccess)
+    return -1;
+
+  return 0;
+}