v8/test/mjsunit/compiler/bigint-add-no-deopt-loop.js
Nico Hartmann c9f69db900 [turbofan] No speculative BigInt operations on 32 bit architectures
Bug: chromium:1254191, v8:9407
Change-Id: Ieb22063dad1ea8dfde359662d0330e689b6b2e05
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3193547
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77177}
2021-09-30 15:49:17 +00:00

41 lines
1.1 KiB
JavaScript

// Copyright 2019 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 --opt --no-always-opt
const big = 2n ** BigInt((2 ** 30)-1);
function testAdd(x, y) {
return x + y;
}
%PrepareFunctionForOptimization(testAdd);
testAdd(3n, 7n);
testAdd(17n, -54n);
%OptimizeFunctionOnNextCall(testAdd);
assertEquals(testAdd(6n, 2n), 8n);
// Re-prepare the function immediately to make sure type feedback isn't cleared
// by an untimely gc, as re-optimization on new feedback is tested below
%PrepareFunctionForOptimization(testAdd);
assertOptimized(testAdd);
assertThrows(() => testAdd(big, big), RangeError);
if (%Is64Bit()) {
assertUnoptimized(testAdd);
}
testAdd(30n, -50n);
testAdd(23n, 5n);
%OptimizeFunctionOnNextCall(testAdd);
assertEquals(testAdd(-7n, -12n), -19n);
assertOptimized(testAdd);
assertThrows(() => testAdd(big, big), RangeError);
assertOptimized(testAdd);
assertThrows(() => testAdd(big, big), RangeError);
assertOptimized(testAdd);