Add test case

src/mlir.cpp

@@ -398,6 +398,8 @@ struct mlir_program
         auto fbody = insert(mbody, m, ins_map);
         for(auto ins : iterator_for(m))
         {
+            if (ins->name() == "@param")
+                continue;
             auto name = "migraphx." + ins->name();
             auto ops  = create_operation_state(name);
             ops.add_attribute_value(ins->get_operator().to_value());

test/mlir.cpp

+#include <migraphx/mlir.hpp>
+#include <migraphx/module.hpp>
+#include <migraphx/make_op.hpp>
+#include <migraphx/ranges.hpp>
+#include <test.hpp>
+
+TEST_CASE(conv)
+{
+    migraphx::module m;
+    auto x   = m.add_parameter("x", {migraphx::shape::float_type, {1, 8, 4, 4}});
+    auto w   = m.add_parameter("w", {migraphx::shape::float_type, {2, 8, 3, 3}});
+    m.add_instruction(migraphx::make_op("convolution"), x, w);
+    auto s = migraphx::dump_mlir(m);
+    std::cout << s << std::endl;
+    EXPECT(migraphx::contains(s, "migraphx.convolution"));
+    EXPECT(not migraphx::contains(s, "migraphx.@param"));
+}
+
+int main(int argc, const char* argv[]) { test::run(argc, argv); }