Files
sx/src/ir/print.test.zig
agra d8076b9333 lang: rename signed integer types sN -> iN
Surface rename of the signed integer family: s1..s64 become i1..i64
(u1..u64, usize, isize unchanged). 'string' keeps the s-prefix arm in
name classification; width parsing moves to the i-prefix arm next to
isize.

Internal TypeId tags follow the surface (.s8/.s16/.s32/.s64 ->
.i8/.i16/.i32/.i64), as do mono-key mangle fragments (ptr_i64,
tu_i64_bool) and all display/diagnostic formatting (i{d}).

Migrated in the same sweep: stdlib + examples + issue repros + FFI C
companions (shared symbol names like ffi_id_i64), expected
stdout/stderr/ir snapshots, specs.md, readme.md, CLAUDE.md/AGENTS.md,
implementation_plan.md, docs/, issue writeups. Vendored stb_image and
historical flow state left untouched.

zig build test: 426/426; examples suite: 595/595.
2026-06-12 09:31:53 +03:00

91 lines
3.1 KiB
Zig

// Tests for print.zig
const std = @import("std");
const types = @import("types.zig");
const inst_mod = @import("inst.zig");
const mod_mod = @import("module.zig");
const print_mod = @import("print.zig");
const TypeId = types.TypeId;
const Ref = inst_mod.Ref;
const BlockId = inst_mod.BlockId;
const FuncId = inst_mod.FuncId;
const Function = inst_mod.Function;
const Module = mod_mod.Module;
const Builder = mod_mod.Builder;
test "print simple add function" {
const alloc = std.testing.allocator;
var module = Module.init(alloc);
defer module.deinit();
var b = Builder.init(&module);
const name_add = module.types.internString("add");
const name_a = module.types.internString("a");
const name_b = module.types.internString("b");
const name_entry = module.types.internString("entry");
const params = &[_]Function.Param{
.{ .name = name_a, .ty = .i64 },
.{ .name = name_b, .ty = .i64 },
};
_ = b.beginFunction(name_add, params, .i64);
const entry = b.appendBlock(name_entry, &.{});
b.switchToBlock(entry);
const a_ref = b.constInt(10, .i64);
const b_ref = b.constInt(20, .i64);
const sum = b.add(a_ref, b_ref, .i64);
b.ret(sum, .i64);
b.finalize();
var aw = std.Io.Writer.Allocating.init(alloc);
try print_mod.printModule(&module, &aw.writer);
var result = aw.writer.toArrayList();
defer result.deinit(alloc);
const output = result.items;
try std.testing.expect(std.mem.indexOf(u8, output, "func @add(a: i64, b: i64) -> i64") != null);
try std.testing.expect(std.mem.indexOf(u8, output, "entry:") != null);
try std.testing.expect(std.mem.indexOf(u8, output, "const 10 : i64") != null);
// Params occupy value slots %0/%1, so the two consts are %2/%3 and their sum %4.
try std.testing.expect(std.mem.indexOf(u8, output, "add %2, %3 : i64") != null);
try std.testing.expect(std.mem.indexOf(u8, output, "ret %4") != null);
}
test "print conditional branch" {
const alloc = std.testing.allocator;
var module = Module.init(alloc);
defer module.deinit();
var b = Builder.init(&module);
_ = b.beginFunction(module.types.internString("test"), &.{}, .i32);
const entry = b.appendBlock(module.types.internString("entry"), &.{});
const then_bb = b.appendBlock(module.types.internString("then"), &.{});
const else_bb = b.appendBlock(module.types.internString("else"), &.{});
b.switchToBlock(entry);
const cond = b.constBool(true);
b.condBr(cond, then_bb, &.{}, else_bb, &.{});
b.switchToBlock(then_bb);
const v1 = b.constInt(1, .i32);
b.ret(v1, .i32);
b.switchToBlock(else_bb);
const v2 = b.constInt(0, .i32);
b.ret(v2, .i32);
b.finalize();
var aw = std.Io.Writer.Allocating.init(alloc);
try print_mod.printModule(&module, &aw.writer);
var result = aw.writer.toArrayList();
defer result.deinit(alloc);
const output = result.items;
try std.testing.expect(std.mem.indexOf(u8, output, "cond_br %0, bb1, bb2") != null);
try std.testing.expect(std.mem.indexOf(u8, output, "then:") != null);
try std.testing.expect(std.mem.indexOf(u8, output, "else:") != null);
}