Initial project import

tools/v/vlib/v2_toberemoved/ssa/block.v

@@ -0,0 +1,29 @@
+// 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 type BlockID = int
+
+pub fn (id BlockID) str() string {
+	return int(id).str()
+}
+
+pub struct BasicBlock {
+pub:
+	id     BlockID
+	val_id ValueID
+	name   string
+	parent int // Function ID
+pub mut:
+	instrs []ValueID
+
+	// Control Flow Graph
+	preds []BlockID
+	succs []BlockID
+
+	// Dominators
+	idom     BlockID
+	dom_tree []BlockID
+}