Skip group convolution in mlir

src/targets/gpu/fuse_mlir.cpp

@@ -61,13 +61,25 @@ struct mlir_conv
 MIGRAPHX_REGISTER_OP(mlir_conv);
 
 namespace {
+
+MIGRAPHX_PRED_MATCHER(is_mlir_conv, instruction_ref ins)
+{
+    if (ins->name() != "convolution")
+        return false;
+    value v = ins->get_operator().to_value();
+    auto group = v.at("group").to<int>();
+    if (group != 1)
+        return false;
+    return true;
+}
+
 struct find_conv_pointwise
 {
     // Find a convolution followed by a pointwise operation.
     auto matcher() const
     {
         auto convolution =
-            match::skip(match::name("contiguous"))(match::name("convolution").bind("convolution"));
+            match::skip(match::name("contiguous"))(is_mlir_conv().bind("convolution"));
         return match::name("pointwise")(match::any_of[match::inputs()](convolution.bind("x")));
     }