Add dry run test

src/include/migraphx/program.hpp

@@ -105,6 +105,8 @@ struct program
     void debug_print(instruction_ref ins) const;
     void debug_print(const std::vector<instruction_ref>& inss) const;
 
+    void dry_run(parameter_map params) const;
+
     friend std::ostream& operator<<(std::ostream& os, const program& p);
     friend bool operator==(const program& x, const program& y);
     friend bool operator!=(const program& x, const program& y) { return !(x == y); }

src/program.cpp

@@ -511,6 +511,12 @@ void program::debug_print(const std::vector<instruction_ref>& inss) const
     std::cout << std::endl;
 }
 
+void program::dry_run(std::unordered_map<std::string, argument> params) const
+{
+    auto& ctx          = this->impl->ctx;
+    generic_eval(*this, ctx, params, [](auto&&...) { return argument{}; });
+}
+
 bool operator==(const program& x, const program& y) { return to_string(x) == to_string(y); }
 
 std::ostream& operator<<(std::ostream& os, const program& p)

test/gpu/miopen.cpp

@@ -122,7 +122,14 @@ migraphx::argument run_gpu(migraphx::program& p)
         m[x.first] =
             migraphx::gpu::to_gpu(migraphx::generate_argument(x.second, get_hash(x.first)));
     }
+    // Program should have an output parameter
     EXPECT(bool{m.find("output") != m.end()});
+    // Ensure the program doesn't modify the context in a dry run
+    auto ctx = p.get_context();
+    assert(&ctx != &p.get_context());
+    EXPECT(is_shared(ctx, p.get_context()));
+    p.dry_run(m);
+    EXPECT(is_shared(ctx, p.get_context()));
     return migraphx::gpu::from_gpu(p.eval(m));
 }