78f8cb235a
Bug: v8:9407 Change-Id: Id7a04bbdd795bd91a62f3984b760a7f42db96a7f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3803225 Reviewed-by: Nico Hartmann <nicohartmann@chromium.org> Commit-Queue: Qifan Pan <panq@google.com> Cr-Commit-Position: refs/heads/main@{#82307}
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
// Copyright 2022 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 --turbofan --no-always-turbofan --turbo-inline-js-wasm-calls
|
|
|
|
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
|
|
|
|
let builder = new WasmModuleBuilder();
|
|
|
|
builder
|
|
.addFunction("f", kSig_v_l) // i64 -> ()
|
|
.addBody([])
|
|
.exportFunc();
|
|
|
|
let module = builder.instantiate();
|
|
|
|
function TestBigIntTruncatedToWord64(x) {
|
|
return module.exports.f(x + x);
|
|
}
|
|
|
|
let bi = (2n ** (2n ** 29n + 2n ** 29n - 1n));
|
|
|
|
// Expect BigIntTooBig for adding bi to itself
|
|
assertThrows(() => TestBigIntTruncatedToWord64(bi), RangeError);
|
|
|
|
%PrepareFunctionForOptimization(TestBigIntTruncatedToWord64);
|
|
TestBigIntTruncatedToWord64(1n);
|
|
TestBigIntTruncatedToWord64(2n);
|
|
%OptimizeFunctionOnNextCall(TestBigIntTruncatedToWord64);
|
|
|
|
// After optimization, bi should be checked as BigInt and
|
|
// truncated to Word64, which is then passed to Int64Add.
|
|
// Thus no BigIntTooBig exception is expected.
|
|
TestBigIntTruncatedToWord64(bi);
|
|
assertOptimized(TestBigIntTruncatedToWord64);
|