// Copyright 2016 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 function test(f) { assertTrue(f(0)); assertTrue(f(Number.MIN_VALUE)); assertTrue(f(Number.MAX_VALUE)); assertTrue(f(Number.MIN_SAFE_INTEGER)); assertTrue(f(Number.MIN_SAFE_INTEGER - 13)); assertTrue(f(Number.MAX_SAFE_INTEGER)); assertTrue(f(Number.MAX_SAFE_INTEGER + 23)); assertTrue(f(0)); assertTrue(f(-1)); assertTrue(f(123456)); assertFalse(f(Number.NaN)); assertFalse(f(Number.POSITIVE_INFINITY)); assertFalse(f(Number.NEGATIVE_INFINITY)); assertFalse(f(1 / 0)); assertFalse(f(-1 / 0)); } function f(x) { return Number.isFinite(+x); } %PrepareFunctionForOptimization(f); test(f); test(f); %OptimizeFunctionOnNextCall(f); test(f); function test2(f) { assertFalse(f({})); assertFalse(f("abc")); assertTrue(f(0)); assertTrue(f(Number.MIN_VALUE)); assertTrue(f(Number.MAX_VALUE)); assertTrue(f(Number.MIN_SAFE_INTEGER)); assertTrue(f(Number.MIN_SAFE_INTEGER - 13)); assertTrue(f(Number.MAX_SAFE_INTEGER)); assertTrue(f(Number.MAX_SAFE_INTEGER + 23)); assertTrue(f(0)); assertTrue(f(-1)); assertTrue(f(123456)); assertFalse(f(Number.NaN)); assertFalse(f(Number.POSITIVE_INFINITY)); assertFalse(f(Number.NEGATIVE_INFINITY)); assertFalse(f(1 / 0)); assertFalse(f(-1 / 0)); } function f2(x) { return Number.isFinite(x); } %PrepareFunctionForOptimization(f2); test2(f2); test2(f2); %OptimizeFunctionOnNextCall(f2); test2(f2);