Initial project import

tools/v/vlib/v2_toberemoved/ssa/value.v

@@ -0,0 +1,68 @@
+// 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 ValueID = int
+
+pub fn (id ValueID) str() string {
+	return int(id).str()
+}
+
+pub enum ValueKind {
+	unknown
+	constant
+	argument
+	global
+	instruction
+	basic_block
+	string_literal   // V string struct literal (by value)
+	c_string_literal // C string literal (raw char pointer)
+	func_ref         // Function pointer reference (for map hash/eq/clone/free functions)
+}
+
+// str returns the symbolic name for an SSA value kind.
+pub fn (k ValueKind) str() string {
+	return match k {
+		.unknown { 'unknown' }
+		.constant { 'constant' }
+		.argument { 'argument' }
+		.global { 'global' }
+		.instruction { 'instruction' }
+		.basic_block { 'basic_block' }
+		.string_literal { 'string_literal' }
+		.c_string_literal { 'c_string_literal' }
+		.func_ref { 'func_ref' }
+	}
+}
+
+pub struct Value {
+pub:
+	id  ValueID
+	typ TypeID
+	// Index into the specific arena (instrs, blocks, globals)
+	index int
+pub mut:
+	kind ValueKind
+	name string
+	uses []ValueID
+}
+
+pub struct ConstantData {
+pub:
+	int_val   i64
+	float_val f64
+	str_val   string
+}
+
+pub struct GlobalVar {
+pub mut:
+	name          string
+	typ           TypeID
+	linkage       Linkage
+	alignment     int
+	is_constant   bool
+	initial_value i64  // For constants/enums, the initial integer value
+	initial_data  []u8 // For constant arrays: serialized element data
+}