fixed constant param bind

Author: masahi

python/tvm/meta_schedule/integration.py

@@ -23,7 +23,7 @@
 
 from tvm._ffi import register_object, get_global_func
 from tvm.ir import IRModule, transform
-from tvm.relay import Any
+from tvm.relay import Any, const
 from tvm.relay import Function as RelayFunc
 from tvm.relay import vm
 from tvm.runtime import NDArray, Object
@@ -238,9 +238,11 @@ def extract_task_from_relay(
 
     target = Target(target) if isinstance(target, str) else target
 
+    relay_params = {}
     for name, param in params.items():
         if isinstance(param, np.ndarray):
-            params[name] = nd.array(param)
+            param = nd.array(param)
+        relay_params[name] = const(param)
 
     if disabled_pass is None:
         disabled_pass = []
@@ -250,11 +252,10 @@ def extract_task_from_relay(
     if not isinstance(target, Target):
         target = Target(target)
 
-    with transform.PassContext(
+    with target, transform.PassContext(
         opt_level=opt_level,
         config=pass_config,
         disabled_pass=disabled_pass,
     ):
-        with target:
-            tasks = extract_task_func(mod, target, params)
-            return tasks
+        tasks = extract_task_func(mod, target, relay_params)
+        return tasks

src/relay/backend/metaschedule_task_extraction.cc

@@ -35,15 +35,7 @@ namespace metaschedule {
 using meta_schedule::ExtractedTask;
 
 Array<ExtractedTask> ExtractTask(IRModule mod, Target target, Map<String, Constant> params) {
-  // backend::BindParamsInModule(mod, params);
-  if (params.size()) {
-    std::unordered_map<std::string, runtime::NDArray> params_;
-    BaseFunc base_func = mod->Lookup("main");
-    ICHECK(base_func->IsInstance<FunctionNode>());
-    auto f = relay::backend::BindParamsByName(Downcast<Function>(base_func), params_);
-    auto gvar = mod->GetGlobalVar("main");
-    mod->Add(gvar, f);
-  }
+  backend::BindParamsInModule(mod, params);
 
   Array<Pass> pass_seqs = relay::backend::GetPassPrefix(/*is_homogenous=*/true, /*is_vm=*/true);
   pass_seqs.push_back(transform::FuseOps());