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@@ -1,177 +0,0 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --allow-natives-syntax --noparallel-recompilation
-
-/**
- * This class shows how to use %GetOptimizationCount() and
- * %GetOptimizationStatus() to infer information about opts and deopts.
- * Might be nice to put this into mjsunit.js, but that doesn't depend on
- * the --allow-natives-syntax flag so far.
- */
-function OptTracker() {
- this.opt_counts_ = {};
-}
-
-/**
- * The possible optimization states of a function. Must be in sync with the
- * return values of Runtime_GetOptimizationStatus() in runtime.cc!
- * @enum {int}
- */
-OptTracker.OptimizationState = {
- YES: 1,
- NO: 2,
- ALWAYS: 3,
- NEVER: 4
-};
-
-/**
- * Always call this at the beginning of your test, once for each function
- * that you later want to track de/optimizations for. It is necessary because
- * tests are sometimes executed several times in a row, and you want to
- * disregard counts from previous runs.
- */
-OptTracker.prototype.CheckpointOptCount = function(func) {
- this.opt_counts_[func] = %GetOptimizationCount(func);
-};
-
-OptTracker.prototype.AssertOptCount = function(func, optcount) {
- if (this.DisableAsserts_(func)) {
- return;
- }
- assertEquals(optcount, this.GetOptCount_(func));
-};
-
-OptTracker.prototype.AssertDeoptCount = function(func, deopt_count) {
- if (this.DisableAsserts_(func)) {
- return;
- }
- assertEquals(deopt_count, this.GetDeoptCount_(func));
-};
-
-OptTracker.prototype.AssertDeoptHappened = function(func, expect_deopt) {
- if (this.DisableAsserts_(func)) {
- return;
- }
- if (expect_deopt) {
- assertTrue(this.GetDeoptCount_(func) > 0);
- } else {
- assertEquals(0, this.GetDeoptCount_(func));
- }
-}
-
-OptTracker.prototype.AssertIsOptimized = function(func, expect_optimized) {
- if (this.DisableAsserts_(func)) {
- return;
- }
- var raw_optimized = %GetOptimizationStatus(func);
- if (expect_optimized) {
- assertEquals(OptTracker.OptimizationState.YES, raw_optimized);
- } else {
- assertEquals(OptTracker.OptimizationState.NO, raw_optimized);
- }
-}
-
-/**
- * @private
- */
-OptTracker.prototype.GetOptCount_ = function(func) {
- var raw_count = %GetOptimizationCount(func);
- if (func in this.opt_counts_) {
- var checkpointed_count = this.opt_counts_[func];
- return raw_count - checkpointed_count;
- }
- return raw_count;
-}
-
-/**
- * @private
- */
-OptTracker.prototype.GetDeoptCount_ = function(func) {
- var count = this.GetOptCount_(func);
- if (%GetOptimizationStatus(func) == OptTracker.OptimizationState.YES) {
- count -= 1;
- }
- return count;
-}
-
-/**
- * @private
- */
-OptTracker.prototype.DisableAsserts_ = function(func) {
- switch(%GetOptimizationStatus(func)) {
- case OptTracker.OptimizationState.YES:
- case OptTracker.OptimizationState.NO:
- return false;
- case OptTracker.OptimizationState.ALWAYS:
- case OptTracker.OptimizationState.NEVER:
- return true;
- }
- return false;
-}
-// (End of class OptTracker.)
-
-// Example function used by the test below.
-function f(a) {
- return a+1;
-}
-
-var tracker = new OptTracker();
-tracker.CheckpointOptCount(f);
-
-tracker.AssertOptCount(f, 0);
-tracker.AssertIsOptimized(f, false);
-tracker.AssertDeoptHappened(f, false);
-tracker.AssertDeoptCount(f, 0);
-
-f(1);
-
-%OptimizeFunctionOnNextCall(f);
-f(1);
-
-tracker.AssertOptCount(f, 1);
-tracker.AssertIsOptimized(f, true);
-tracker.AssertDeoptHappened(f, false);
-tracker.AssertDeoptCount(f, 0);
-
-%DeoptimizeFunction(f);
-
-tracker.AssertOptCount(f, 1);
-tracker.AssertIsOptimized(f, false);
-tracker.AssertDeoptHappened(f, true);
-tracker.AssertDeoptCount(f, 1);
-
-// Let's trigger optimization for another type.
-for (var i = 0; i < 5; i++) f("a");
-
-%OptimizeFunctionOnNextCall(f);
-f("b");
-
-tracker.AssertOptCount(f, 2);
-tracker.AssertIsOptimized(f, true);
-tracker.AssertDeoptHappened(f, true);
-tracker.AssertDeoptCount(f, 1);