Files
Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/generator-nested-loops.js
2026-05-26 23:36:42 -07:00

51 lines
1.4 KiB
JavaScript

// Copyright 2024 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --turbolev --turbofan
function* foo(x) {
for (let i = 0; i < x; i++) {
for (let j = 0; j < x; j++) {
for (let k = 0; k < x; k++) {
if (j % 2 == 0) {
yield i*32+j*8+k;
}
}
yield j + 625;
}
yield i + 1459;
}
yield 42;
}
%PrepareFunctionForOptimization(foo);
let gen = foo(2);
assertEquals(0, gen.next().value);
assertEquals(1, gen.next().value);
assertEquals(625, gen.next().value);
assertEquals(626, gen.next().value);
assertEquals(1459, gen.next().value);
assertEquals(32, gen.next().value);
assertEquals(33, gen.next().value);
assertEquals(625, gen.next().value);
assertEquals(626, gen.next().value);
assertEquals(1460, gen.next().value);
assertEquals(42, gen.next().value);
assertEquals(undefined, gen.next().value);
%OptimizeFunctionOnNextCall(foo);
gen = foo(2);
assertEquals(0, gen.next().value);
assertEquals(1, gen.next().value);
assertEquals(625, gen.next().value);
assertEquals(626, gen.next().value);
assertEquals(1459, gen.next().value);
assertEquals(32, gen.next().value);
assertEquals(33, gen.next().value);
assertEquals(625, gen.next().value);
assertEquals(626, gen.next().value);
assertEquals(1460, gen.next().value);
assertEquals(42, gen.next().value);
assertEquals(undefined, gen.next().value);