9d3e0774c9
Add support for disallowing speculation upon deoptimize from a CheckBound node, and use this in the case of array builtins in js-call-reducer to prevent deoptimization loops. Bug: v8:7127 Change-Id: I04cf655b10178d2938d2f0ee6b336601fab6463b Reviewed-on: https://chromium-review.googlesource.com/822195 Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#50097}
149 lines
2.6 KiB
JavaScript
149 lines
2.6 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 --opt
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/* Test MapCheck behavior */
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(function testForEachMapCheck() {
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function f(v,n,o) {
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Object.freeze(o);
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}
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function g() {
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[1,2,3].forEach(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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(function testFindMapCheck() {
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function f(v,n,o) {
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Object.freeze(o);
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return false;
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}
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function g() {
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[1,2,3].find(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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(function testMapMapCheck() {
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function f(v,n,o) {
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Object.freeze(o);
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return false;
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}
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function g() {
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[1,2,3].map(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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(function testFilterMapCheck() {
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function f(v,n,o) {
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Object.freeze(o);
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return true;
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}
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function g() {
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[1,2,3].filter(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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/* Test CheckBounds behavior */
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(function testForEachCheckBounds() {
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function f(v,n,o) {
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o.length=2;
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}
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function g() {
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[1,2,3].forEach(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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(function testFindCheckBounds() {
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function f(v,n,o) {
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o.length=2;
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return false;
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}
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function g() {
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[1,2,3].find(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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(function testMapCheckBounds() {
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function f(v,n,o) {
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o.length=2;
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return false;
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}
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function g() {
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[1,2,3].map(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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assertOptimized(g);
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})();
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(function testFilterCheckBounds() {
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function f(v,n,o) {
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o.length = 2;
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return true;
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}
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function g() {
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[1,2,3].filter(f);
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}
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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g();
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assertOptimized(g);
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})();
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