[SYCL] Fix isordered built-in function realisation (#2841)

Author: maximdimakov

sycl/source/detail/builtins_relational.cpp

@@ -351,13 +351,13 @@ MAKE_1V_FUNC(IsNormal, __vIsNormal, s::cl_short, s::cl_half)
 
 // (Ordered)              // isordered
 __SYCL_EXPORT s::cl_int Ordered(s::cl_float x, s::cl_float y) __NOEXC {
-  return __vOrdered(x, y);
+  return __sOrdered(x, y);
 }
 __SYCL_EXPORT s::cl_int Ordered(s::cl_double x, s::cl_double y) __NOEXC {
-  return __vOrdered(x, y);
+  return __sOrdered(x, y);
 }
 __SYCL_EXPORT s::cl_int Ordered(s::cl_half x, s::cl_half y) __NOEXC {
-  return __vOrdered(x, y);
+  return __sOrdered(x, y);
 }
 MAKE_1V_2V_FUNC(Ordered, __vOrdered, s::cl_int, s::cl_float, s::cl_float)
 MAKE_1V_2V_FUNC(Ordered, __vOrdered, s::cl_long, s::cl_double, s::cl_double)

sycl/test/regression/isordered.cpp

@@ -0,0 +1,36 @@
+// RUN: %clangxx -fsycl %s -o %t.out
+// RUN: env SYCL_DEVICE_TYPE=HOST %t.out
+
+#include <CL/sycl.hpp>
+
+int main() {
+  cl::sycl::range<1> ndRng(3);
+  int32_t kernelResult[3];
+  cl::sycl::queue testQueue;
+  {
+    cl::sycl::buffer<int32_t, 1> buffer(&kernelResult[0], ndRng);
+    testQueue.submit([&](cl::sycl::handler &h) {
+      auto resultPtr =
+          buffer.template get_access<cl::sycl::access::mode::write>(h);
+      h.single_task<class kernel>([=]() {
+        float inputData_0F(0.1);
+        float inputData_1F(0.5);
+        resultPtr[0] = cl::sycl::isordered(inputData_0F, inputData_1F);
+
+        double inputData_0D(0.2);
+        double inputData_1D(0.3);
+        resultPtr[1] = cl::sycl::isordered(inputData_0D, inputData_1D);
+
+        half inputData_0H(0.3);
+        half inputData_1H(0.9);
+        resultPtr[2] = cl::sycl::isordered(inputData_0H, inputData_1H);
+      });
+    });
+  }
+  // Should be 1 according to spec since it's a scalar type not a vector
+  assert(kernelResult[0] == 1 && "Incorrect result");
+  assert(kernelResult[1] == 1 && "Incorrect result");
+  assert(kernelResult[2] == 1 && "Incorrect result");
+
+  return 0;
+}