[SYCL] [Graph] Fix print_graph (#19181)

Fixes #19177

---------

Co-authored-by: Ben Tracy <[email protected]>

Author: konradkusiak97

sycl/include/sycl/ext/oneapi/experimental/graph/modifiable_graph.hpp

@@ -141,7 +141,7 @@ class __SYCL_EXPORT modifiable_command_graph
   /// @param path The path to write the DOT file to.
   /// @param verbose If true, print additional information about the nodes such
   /// as kernel args or memory access where applicable.
-#ifdef ___INTEL_PREVIEW_BREAKING_CHANGES
+#ifdef __INTEL_PREVIEW_BREAKING_CHANGES
   void print_graph(const std::string path, bool verbose = false) const {
     print_graph(sycl::detail::string_view{path}, verbose);
   }
@@ -210,6 +210,23 @@ class __SYCL_EXPORT modifiable_command_graph
   static void checkNodePropertiesAndThrow(const property_list &Properties);
 };
 
+#ifndef __INTEL_PREVIEW_BREAKING_CHANGES
+#ifdef __SYCL_GRAPH_IMPL_CPP
+// Magic combination found by trial and error:
+__SYCL_EXPORT
+#if _WIN32
+inline
+#endif
+#else
+inline
+#endif
+    void
+    modifiable_command_graph::print_graph(const std::string path,
+                                          bool verbose) const {
+  print_graph(sycl::detail::string_view{path}, verbose);
+}
+#endif
+
 } // namespace detail
 } // namespace experimental
 } // namespace oneapi

sycl/source/detail/graph/graph_impl.cpp

@@ -2101,13 +2101,6 @@ void modifiable_command_graph::checkNodePropertiesAndThrow(
       Properties, CheckDataLessProperties, CheckPropertiesWithData);
 }
 
-#ifndef ___INTEL_PREVIEW_BREAKING_CHANGES
-void modifiable_command_graph::print_graph(const std::string path,
-                                           bool verbose) const {
-  print_graph(sycl::detail::string_view{path}, verbose);
-}
-#endif
-
 executable_command_graph::executable_command_graph(
     const std::shared_ptr<detail::graph_impl> &Graph, const sycl::context &Ctx,
     const property_list &PropList)

sycl/source/detail/graph/node_impl.cpp

@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define __SYCL_GRAPH_IMPL_CPP
-
 #include "node_impl.hpp"
 #include "graph_impl.hpp"                              // for graph_impl
 #include <sycl/ext/oneapi/experimental/graph/node.hpp> // for node

sycl/test-e2e/Graph/AsyncAlloc/Inputs/async_alloc_device_memory_reuse_zero_init.cpp

@@ -195,8 +195,6 @@ int main() {
 
   auto GraphExec = Graph.finalize();
 
-  Graph.print_graph("test.dot");
-
   for (unsigned n = 0; n < Iterations; n++) {
     Queue.submit([&](handler &CGH) { CGH.ext_oneapi_graph(GraphExec); });
   }