Initial project import

tools/v/vlib/v2_toberemoved/ssa/function.v

@@ -0,0 +1,32 @@
+// Copyright (c) 2026 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module ssa
+
+pub enum CallConv {
+	c_decl
+	fast_call
+	wasm_std
+}
+
+pub enum Linkage {
+	external
+	private
+	internal
+}
+
+pub struct Function {
+pub:
+	id   int
+	name string
+	typ  TypeID
+pub mut:
+	blocks       []BlockID
+	params       []ValueID
+	is_c_extern  bool // C-language extern function (no V body, provided by C headers/libraries)
+	is_prototype bool // Registered declaration/signature whose body has not been materialized
+
+	linkage   Linkage
+	call_conv CallConv
+}