f820041aba
This is a reland of 289b25765a.
The fix for failures landed here:
https://chromium-review.googlesource.com/c/v8/v8/+/1599388
Original change's description:
> [Test] Update tests to work with lazy feedback allocation.
>
> This adds either %EnsureFeedbackVectorForFunction or
> %PrepareFunctionForOptimization to allocate feedback vectors when testing
> optimization, allocation sites, IC transitions etc.,
>
> Bug: v8:8394
> Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Auto-Submit: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61212}
Bug: v8:8394
Change-Id: Idb5bba221d138e6fd73155f959b9e16fc948c709
TBR: rmcilroy@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1599607
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Auto-Submit: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61332}
119 lines
2.3 KiB
JavaScript
119 lines
2.3 KiB
JavaScript
// Copyright 2016 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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var Debug = debug.Debug;
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var changed = false;
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function listenerSetJToResult(
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event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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var scope = exec_state.frame(1).scope(0);
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var newval = "result";
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try {
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scope.setVariableValue("j", newval);
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changed = true;
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} catch(e) {
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changed = false;
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}
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}
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}
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Debug.setListener(listenerSetJToResult);
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function g() { debugger; }
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%NeverOptimizeFunction(g);
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function ChangeSmiConstantAndOsr() {
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var j = 1;
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for (var i = 0; i < 4; i++) {
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if (i == 2) {
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%OptimizeOsr();
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g();
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}
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}
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return j;
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}
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%PrepareFunctionForOptimization(ChangeSmiConstantAndOsr);
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var r1 = ChangeSmiConstantAndOsr();
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if (changed) {
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assertEquals("result", r1);
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} else {
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assertEquals(1, r1);
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}
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function ChangeFloatConstantAndOsr() {
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var j = 0.1;
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for (var i = 0; i < 4; i++) {
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if (i == 2) {
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%OptimizeOsr();
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g();
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}
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}
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return j;
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}
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%PrepareFunctionForOptimization(ChangeFloatConstantAndOsr);
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var r2 = ChangeFloatConstantAndOsr();
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if (changed) {
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assertEquals("result", r2);
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} else {
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assertEquals(0.1, r2);
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}
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function ChangeFloatVarAndOsr() {
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var j = 0.1;
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for (var i = 0; i < 4; i++) {
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j = j + 0.1;
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if (i == 2) {
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%OptimizeOsr();
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g();
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}
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}
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return j;
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}
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%PrepareFunctionForOptimization(ChangeFloatVarAndOsr);
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var r3 = ChangeFloatVarAndOsr();
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if (changed) {
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assertEquals("result0.1", r3);
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} else {
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assertEquals(0.5, r3);
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}
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function listenerSetJToObject(
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event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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var scope = exec_state.frame(1).scope(0);
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try {
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scope.setVariableValue("j", 100);
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changed = true;
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} catch(e) {
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changed = false;
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}
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}
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}
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Debug.setListener(listenerSetJToObject);
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function ChangeIntVarAndOsr() {
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var j = 1;
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for (var i = 0; i < 4; i++) {
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j = j + 1|0;
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if (i == 2) {
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%OptimizeOsr();
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g();
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}
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}
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return j;
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}
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%PrepareFunctionForOptimization(ChangeIntVarAndOsr);
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var r4 = ChangeIntVarAndOsr();
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if (changed) {
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assertEquals(101, r4);
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} else {
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assertEquals(5, r4);
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}
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