added more operator parsers with edge cases

src/onnx/onnx.cpp

@@ -391,7 +391,7 @@ struct onnx_parser
         }
         if(contains(attributes, "beta"))
         {
-            alpha = parse_value(attributes.at("beta")).at<float>();
+            beta = parse_value(attributes.at("beta")).at<float>();
         }
         if(contains(attributes, "transA"))
         {

test/onnx/onnx_test.cpp

@@ -421,6 +421,36 @@ void constant_test()
     EXPECT(p == prog);
 }
 
+void gemm_test()
+{
+    migraphx::program p;
+    auto l0 = p.add_parameter("0", migraphx::shape{migraphx::shape::float_type, {5, 7}});
+    auto l1 = p.add_parameter("1", migraphx::shape{migraphx::shape::float_type, {11, 5}});
+    auto l2 = p.add_parameter("2", migraphx::shape{migraphx::shape::float_type, {}});
+    auto t0 = p.add_instruction(migraphx::op::transpose{{1, 0}}, l0);
+    auto t1 = p.add_instruction(migraphx::op::transpose{{1, 0}}, l1);
+    auto d0 = p.add_instruction(migraphx::op::dot{2, 2}, t0, t1);
+    auto b0 = p.add_instruction(migraphx::op::broadcast{1, d0->get_shape()}, l2);
+    p.add_instruction(migraphx::op::add{}, d0, b0);
+    auto prog = migraphx::parse_onnx("gemm_test.onnx");
+
+    EXPECT(p == prog);
+}
+
+void add_scalar_test()
+{
+    migraphx::program p;
+    auto l0 = p.add_parameter("0", migraphx::shape{migraphx::shape::float_type, {2, 3, 4, 5}});
+    auto l1 = p.add_literal(migraphx::literal{migraphx::shape{migraphx::shape::float_type, {1}}, {1}});
+    auto m0 = p.add_instruction(migraphx::op::multibroadcast{{0, 0, 0, 5}}, l0); 
+    auto m1 = p.add_instruction(migraphx::op::multibroadcast{{0, 0, 0, 5}}, l1);
+    p.add_instruction(migraphx::op::add{}, m0, m1);
+    auto prog = migraphx::parse_onnx("add_scalar_test.onnx");
+
+    EXPECT(p == prog);
+
+}
+
 int main()
 {
     pytorch_conv_bias_test();
@@ -454,4 +484,6 @@ int main()
     concat_test();
     slice_test();
     constant_test();
+    gemm_test();
+    add_scalar_test();
 }