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// 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);
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