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f226350fcb
PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
// Copyright 2022 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 --turbofan --no-always-turbofan
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function LessThan(x, y) {
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return x < y;
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}
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function LessThanOrEqual(x, y) {
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return x <= y;
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}
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function GreaterThan(x, y) {
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return x > y;
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}
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function GreaterThanOrEqual(x, y) {
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return x >= y;
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}
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function Test(f, large, lt, eq) {
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assertEquals(lt, f(1n, 2n));
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assertEquals(!lt, f(0n, -1n));
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assertEquals(eq, f(-42n, -42n));
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assertEquals(!lt, f(-(2n ** 62n), -(2n ** 63n) + 1n));
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assertEquals(lt, f(-(2n ** 63n) + 1n, (2n ** 63n) - 1n));
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if (large) {
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assertEquals(lt, f(2n ** 63n - 1n, 2n ** 63n));
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assertEquals(!lt, f(-(2n ** 63n) + 1n, -(2n ** 63n)));
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assertEquals(lt, f(-(13n ** 70n), 13n ** 70n)); // Different signs
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assertEquals(!lt, f(13n ** 70n, -(13n ** 70n)));
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assertEquals(lt, f(13n ** 80n, 13n ** 90n)); // Different lengths
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assertEquals(!lt, f(-(13n ** 70n), -(13n ** 80n))); // Same length
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assertEquals(eq, f(13n ** 70n, 13n ** 70n));
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}
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}
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function OptAndTest(f, large) {
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const lt = f === LessThan || f === LessThanOrEqual;
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const eq = f === LessThanOrEqual || f === GreaterThanOrEqual;
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%PrepareFunctionForOptimization(f);
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Test(f, large, lt, eq);
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assertUnoptimized(f);
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%OptimizeFunctionOnNextCall(f);
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Test(f, large, lt, eq);
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assertOptimized(f);
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}
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OptAndTest(LessThan, false);
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OptAndTest(LessThanOrEqual, false);
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OptAndTest(GreaterThan, false);
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OptAndTest(GreaterThanOrEqual, false);
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if (%Is64Bit()) {
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// Should deopt on large bigints and there should not be deopt loops.
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OptAndTest(LessThan, true);
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OptAndTest(LessThanOrEqual, true);
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OptAndTest(GreaterThan, true);
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OptAndTest(GreaterThanOrEqual, true);
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}
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