Compiled with Default Target(LLVM) and Built with USE_MRVL=ON

python/tvm/driver/tvmc/composite_target.py

@@ -52,41 +52,49 @@
     "compute-library": {
         "config_key": None,
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_arm_compute_lib,
     },
     "cmsis-nn": {
         "config_key": "relay.ext.cmsisnn.options",
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_cmsisnn,
     },
     "ethos-n": {
         "config_key": "relay.ext.ethos-n.options",
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_ethosn,
     },
     "ethos-u": {
         "config_key": "relay.ext.ethos-u.options",
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_ethosu,
     },
     "bnns": {
         "config_key": None,
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_bnns,
     },
     "vitis-ai": {
         "config_key": "relay.ext.vitis_ai.options",
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_vitis_ai,
     },
     "clml": {
         "config_key": None,
         "pass_default": False,
+        "default_target": None,
         "pass_pipeline": partition_for_clml,
     },
     "mrvl": {
         "config_key": "relay.ext.mrvl.options",
         "pass_default": True,
+        "default_target": "llvm",
         "pass_pipeline": partition_for_mrvl,
     },
 }

python/tvm/driver/tvmc/target.py

@@ -122,6 +122,11 @@ def _reconstruct_codegen_args(args, codegen_name):
     codegen = get_codegen_by_target(codegen_name)
     pass_configs = PassContext.list_configs()
     codegen_options = {}
+    default_tgt = codegen["default_target"]
+
+    # Do not fetch codegen options, if the default target alone is choosen by user
+    if codegen_name not in args.target and default_tgt is not None and default_tgt in args.target:
+        return codegen_options
 
     if codegen["config_key"] is not None and codegen["config_key"] in pass_configs:
         attrs = make_node(pass_configs[codegen["config_key"]]["type"])

tests/python/driver/tvmc/test_target_options.py

@@ -86,6 +86,19 @@ def test_default_arg_for_mrvl_hybrid():
     assert parsed.target_mrvl_num_tiles == 8
 
 
+@tvm.testing.requires_mrvl
+# Test for default(LLVM) target, when built with USE_MRVL=ON
+def test_mrvl_build_with_llvm_only_target():
+    parser = argparse.ArgumentParser()
+    generate_target_args(parser)
+    parsed, _ = parser.parse_known_args(
+        [
+            "--target=llvm",
+        ]
+    )
+    assert parsed.target == "llvm"
+
+
 @tvm.testing.requires_cmsisnn
 def test_mapping_target_args():
     parser = argparse.ArgumentParser()