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Refs: v8/v8@9.0.257.17...9.0.257.19 PR-URL: #38270 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| // Copyright 2021 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. | ||
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| // Flags: --allow-natives-syntax | ||
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| (function() { | ||
| function foo(b) { | ||
| let y = (new Date(42)).getMilliseconds(); | ||
| let x = -1; | ||
| if (b) x = 0xFFFF_FFFF; | ||
| return y < Math.max(1 << y, x, 1 + y); | ||
| } | ||
| assertTrue(foo(true)); | ||
| %PrepareFunctionForOptimization(foo); | ||
| assertTrue(foo(false)); | ||
| %OptimizeFunctionOnNextCall(foo); | ||
| assertTrue(foo(true)); | ||
| })(); | ||
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| (function() { | ||
| function foo(b) { | ||
| let x = 0; | ||
| if (b) x = -1; | ||
| return x == Math.max(-1, x >>> Infinity); | ||
| } | ||
| assertFalse(foo(true)); | ||
| %PrepareFunctionForOptimization(foo); | ||
| assertTrue(foo(false)); | ||
| %OptimizeFunctionOnNextCall(foo); | ||
| assertFalse(foo(true)); | ||
| })(); | ||
|
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||
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|
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| (function() { | ||
| function foo(b) { | ||
| let x = -1; | ||
| if (b) x = 0xFFFF_FFFF; | ||
| return -1 < Math.max(0, x, -1); | ||
| } | ||
| assertTrue(foo(true)); | ||
| %PrepareFunctionForOptimization(foo); | ||
| assertTrue(foo(false)); | ||
| %OptimizeFunctionOnNextCall(foo); | ||
| assertTrue(foo(true)); | ||
| })(); | ||
|
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|
|
||
| (function() { | ||
| function foo(b) { | ||
| let x = 0x7FFF_FFFF; | ||
| if (b) x = 0; | ||
| return 0 < (Math.max(-5 >>> x, -5) % -5); | ||
| } | ||
| assertTrue(foo(true)); | ||
| %PrepareFunctionForOptimization(foo); | ||
| assertTrue(foo(false)); | ||
| %OptimizeFunctionOnNextCall(foo); | ||
| assertTrue(foo(true)); | ||
| })(); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // Copyright 2021 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. | ||
|
|
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| // Flags: --allow-natives-syntax | ||
|
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| let o1 = { a: 1, b: 0 }; | ||
| let o2 = { a: 2, b: 0 }; | ||
| assertTrue(%HaveSameMap(o1, o2)); | ||
| assertTrue(%HasOwnConstDataProperty(o1, "a")); | ||
| assertTrue(%HasOwnConstDataProperty(o1, "b")); | ||
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| Object.defineProperty(o1, "b", { | ||
| value: 4.2, enumerable: true, configurable: true, writable: true, | ||
| }); | ||
| assertFalse(%HaveSameMap(o1, o2)); | ||
| assertTrue(%HasOwnConstDataProperty(o1, "a")); | ||
| assertFalse(%HasOwnConstDataProperty(o1, "b")); | ||
| assertTrue(%HasOwnConstDataProperty(o2, "a")); | ||
| assertTrue(%HasOwnConstDataProperty(o2, "b")); | ||
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| let o3 = { a: "foo", b: 0 }; | ||
| assertFalse(%HaveSameMap(o2, o3)); | ||
| assertTrue(%HasOwnConstDataProperty(o3, "a")); | ||
| assertFalse(%HasOwnConstDataProperty(o3, "b")); | ||
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| Object.defineProperty(o2, "a", { | ||
| value:2, enumerable: false, configurable: true, writable: true, | ||
| }); | ||
| assertFalse(%HasOwnConstDataProperty(o1, "a")); | ||
| assertFalse(%HasOwnConstDataProperty(o1, "b")); | ||
| assertFalse(%HasOwnConstDataProperty(o3, "a")); | ||
| assertFalse(%HasOwnConstDataProperty(o3, "b")); | ||
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| assertFalse(%HasOwnConstDataProperty(o2, "a")); | ||
| assertTrue(%HasOwnConstDataProperty(o2, "b")); |