0034015b1a
Due to recent spec changes, this CL removes the type immediate of ref.is_null again. Instead we check if the type of the input parameter is nullable. R=jkummerow@chromium.org Bug: v8:10556 Change-Id: If07d30fe4dd27664be7774422573b2ab2b0dfa20 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2247654 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#68484}
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
// Copyright 2020 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: --experimental-wasm-reftypes
|
|
|
|
// Test that tiering up and tiering down works even if functions cannot be
|
|
// compiled with Liftoff.
|
|
|
|
load('test/mjsunit/wasm/wasm-module-builder.js');
|
|
|
|
// Create a simple Wasm module.
|
|
function create_builder(i) {
|
|
const builder = new WasmModuleBuilder();
|
|
builder.addFunction('main', kSig_i_r)
|
|
.addBody([
|
|
kExprLocalGet, 0, kExprRefIsNull, ...wasmI32Const(i),
|
|
kExprI32Add
|
|
])
|
|
.exportFunc();
|
|
return builder;
|
|
}
|
|
|
|
const instance = create_builder(0).instantiate();
|
|
|
|
// Test recompilation.
|
|
const Debug = new DebugWrapper();
|
|
Debug.enable();
|
|
assertFalse(%IsLiftoffFunction(instance.exports.main));
|
|
const newInstance = create_builder(1).instantiate();
|
|
assertFalse(%IsLiftoffFunction(newInstance.exports.main));
|
|
|
|
// Async.
|
|
async function testTierDownToLiftoffAsync() {
|
|
Debug.disable();
|
|
const asyncInstance = await create_builder(2).asyncInstantiate();
|
|
|
|
// Test recompilation.
|
|
Debug.enable();
|
|
assertFalse(%IsLiftoffFunction(asyncInstance.exports.main));
|
|
const newAsyncInstance = await create_builder(3).asyncInstantiate();
|
|
assertFalse(%IsLiftoffFunction(newAsyncInstance.exports.main));
|
|
}
|
|
|
|
assertPromiseResult(testTierDownToLiftoffAsync());
|