Enable imf sycl devicelib on Windows.

Signed-off-by: jinge90 <[email protected]>

Author: jinge90

clang/lib/Driver/ToolChains/MSVC.cpp

@@ -139,6 +139,7 @@ void visualstudio::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       CmdArgs.push_back("-defaultlib:sycld.lib");
     else
       CmdArgs.push_back("-defaultlib:sycl.lib");
+    CmdArgs.push_back("-defaultlib:sycl-devicelib-host.lib");
   }
 
   for (const auto *A : Args.filtered(options::OPT_foffload_static_lib_EQ))

libdevice/cmake/modules/SYCLLibdevice.cmake

@@ -280,6 +280,11 @@ add_custom_command(OUTPUT ${devicelib-host-imf-obj}
                    VERBATIM)
 
 if (WIN32)
+set(devicelib-host ${obj_binary_dir}/sycl-devicelib-host.lib)
+add_custom_command(OUTPUT ${devicelib-host}
+                   COMMAND lib ${devicelib-host-imf-obj} /OUT:${devicelib-host}
+                   DEPENDS ${devicelib-host-imf-obj} sycl-compiler
+                   VERBATIM)
 else()
 set(devicelib-host ${obj_binary_dir}/libsycl-devicelib-host.a)
 add_custom_command(OUTPUT ${devicelib-host}