Fix gfx12 async tile-load fallback warnings

include/ck_tile/core/tensor/load_tile.hpp

@@ -164,6 +164,7 @@ CK_TILE_DEVICE void async_load_tile_with_offset(LdsTileWindow_&& lds_tile,
     // gfx12 does not support the direct global-to-LDS async buffer load used by
     // tile_window::async_load*. Keep the architecture choice at the tile-load layer by using a
     // regular buffer load followed by an explicit LDS store instead of hiding it in the primitive.
+    static_cast<void>(smy);
     static_assert(!static_move_ys,
                   "gfx12 synchronous async_load_tile fallback does not support static_move_ys");
     auto tile = load_tile_with_offset(tile_window, offset, number<i_access>{}, occ);

include/ck_tile/core/tensor/tile_window.hpp

@@ -495,7 +495,9 @@ struct tile_window_with_static_distribution
     {
         using LdsTileWindow = remove_cvref_t<LdsTileWindow_>;
         // using LdsTensorView = typename LdsTileWindow::BottomTensorView;
+#if !defined(__gfx12__)
         using LdsDataType = typename LdsTileWindow::DataType;
+#endif
         // using LdsDescriptor = typename LdsTileWindow::BottomTensorDesc;
 
         // issues * warps * lanes

include/ck_tile/core/tensor/tile_window_linear.hpp

@@ -488,7 +488,9 @@ struct tile_window_linear
                                        bool_constant<pre_nop>               = {}) const
     {
         using LdsTileWindow = remove_cvref_t<LdsTileWindow_>;
+#if !defined(__gfx12__)
         using LdsDataType   = typename LdsTileWindow::DataType;
+#endif
 
         // currently we only support everything is non linear dim
         // actually it's not performant if we have linear dim(e.g. fast changing)