diff --git a/cl/compile.go b/cl/compile.go
new file mode 100644
index 00000000..fee33ce6
--- /dev/null
+++ b/cl/compile.go
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2023 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cl
+
+import (
+	"github.com/goplus/llgo/loader"
+	llvm "tinygo.org/x/go-llvm"
+)
+
+type Config struct {
+}
+
+func NewPackage(pkg loader.Package, conf *Config) (ret llvm.Module, err error) {
+	return
+}
diff --git a/go.mod b/go.mod
index aafa6d3c..1bba388f 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,8 @@
 module github.com/goplus/llgo
 
 go 1.18
+
+require (
+	golang.org/x/tools v0.16.0
+	tinygo.org/x/go-llvm v0.0.0-20231014233752-75a8a9fe6f74
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 00000000..051066db
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+golang.org/x/tools v0.16.0 h1:GO788SKMRunPIBCXiQyo2AaexLstOrVhuAL5YwsckQM=
+golang.org/x/tools v0.16.0/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0=
+tinygo.org/x/go-llvm v0.0.0-20231014233752-75a8a9fe6f74 h1:tW8XhLI9gUZLL+2pG0HYb5dc6bpMj1aqtESpizXPnMY=
+tinygo.org/x/go-llvm v0.0.0-20231014233752-75a8a9fe6f74/go.mod h1:GFbusT2VTA4I+l4j80b17KFK+6whv69Wtny5U+T8RR0=
diff --git a/loader/loader.go b/loader/loader.go
new file mode 100644
index 00000000..d252d88b
--- /dev/null
+++ b/loader/loader.go
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package loader
+
+import (
+	"golang.org/x/tools/go/ssa"
+)
+
+type Package struct {
+	SSA *ssa.Package
+}