95b09e3e98
Process feedback and hints for Lda/StaNamed bytecodes w.r.t. access on the global proxy. This stores the property cells (or their absence) on the JSGlobalProxyData. Bug: v8:7790 Change-Id: Iadedea5494611c1b2ed38b6ce75687e084cc27f9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1499499 Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#60411}
60 lines
1.1 KiB
JavaScript
60 lines
1.1 KiB
JavaScript
// Copyright 2015 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
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function Foo(a, b) {
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var bname = "b";
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this["a"] = a;
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this[bname] = b;
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this.x = this.a + this.b;
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}
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var f1 = new Foo(3, 4);
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assertEquals(7, f1.x);
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// SMIs
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for (var i = 0; i < 6; i++) {
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var f = new Foo(i, i + 2);
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assertEquals(i + i + 2, f.x);
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}
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// derbles
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for (var i = 0.25; i < 6.25; i++) {
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var f = new Foo(i, i + 2);
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assertEquals(i + i + 2, f.x);
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}
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// stirngs
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for (var i = 0; i < 6; i++) {
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var f = new Foo(i + "", (i + 2) + "");
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assertEquals((i + "") + ((i + 2) + ""), f.x);
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}
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{
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function Global(i) { this.bla = i }
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Global(0);
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Global(1);
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%OptimizeFunctionOnNextCall(Global);
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Global(2);
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assertEquals(bla, 2);
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}
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{
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function access(obj) { obj.bla = 42 }
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access({a: 0});
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access({b: 0});
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access({c: 0});
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access({d: 0});
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access({e: 0});
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var global = this;
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function foo() { access(global) };
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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}
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