813094ac8c
This is not web compatible, so let's delete the code. Bug: v8:5536 Change-Id: I50506d37dcdff1f7f95577c47adcec653cc1f06e Reviewed-on: https://chromium-review.googlesource.com/1064740 Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#53264}
105 lines
2.4 KiB
JavaScript
105 lines
2.4 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --stress-inline
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var counter = 0;
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var deopt_at = -1;
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class Base {
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constructor(use, x){
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if (deopt_at-- == 0) {
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%_DeoptimizeNow();
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%DeoptimizeFunction(testConstructorInlining);
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}
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counter++;
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this.x = x;
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if (use) {
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return x;
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}
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}
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}
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class Derived extends Base {
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constructor(use, x, y, deopt = false) {
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super(use, x);
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counter++;
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if (deopt_at-- == 0) %_DeoptimizeNow();
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this.y = y;
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if (use) {
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return y;
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}
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}
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}
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var DerivedDeoptCreate = new Proxy(Derived, {
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get: function(target, name) {
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if (name=='prototype') {
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counter++;
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if (deopt_at-- == 0) %DeoptimizeFunction(Derived);
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}
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return target[name];
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}
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});
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function Constr(use, x){
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counter++;
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if (deopt_at-- == 0) %_DeoptimizeNow();
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this.x = x;
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if (use) {
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return x;
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}
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}
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var a = {};
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var b = {};
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function testConstructorInlining(){
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assertEquals(a, new Constr(true, a));
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assertEquals(7, new Constr(false, 7).x);
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assertEquals(5, new Constr(true, 5).x);
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assertEquals(a, new Base(true, a));
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assertEquals(7, new Base(false, 7).x);
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assertEquals(5, new Base(true, 5).x);
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assertEquals(b, new Derived(true, a, b));
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assertEquals(a, new Derived(true, a, undefined));
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assertEquals(5, new Derived(false, 5, 7).x);
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assertEquals(7, new Derived(false, 5, 7).y);
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try {
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new Derived(true, a, 7)
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assertTrue(false);
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} catch (e) {
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if (!(e instanceof TypeError)) throw e;
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}
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assertEquals(a, new Derived(true, 5, a));
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%OptimizeFunctionOnNextCall(Derived);
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assertEquals(b, new DerivedDeoptCreate(true, a, b));
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%OptimizeFunctionOnNextCall(Derived);
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assertEquals(a, new DerivedDeoptCreate(true, a, undefined));
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%OptimizeFunctionOnNextCall(Derived);
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assertEquals(5, new DerivedDeoptCreate(false, 5, 7).x);
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%OptimizeFunctionOnNextCall(Derived);
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assertEquals(7, new DerivedDeoptCreate(false, 5, 7).y);
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}
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testConstructorInlining();
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%OptimizeFunctionOnNextCall(testConstructorInlining);
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testConstructorInlining();
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var last = undefined;
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for(var i = 0; deopt_at < 0; ++i) {
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deopt_at = i;
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counter = 0;
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%OptimizeFunctionOnNextCall(testConstructorInlining);
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testConstructorInlining();
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if (last !== undefined) {
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assertEquals(counter, last)
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}
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last = counter;
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}
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