f2ad990f41
Now that the --turbo flag is on by default, this implication makes it impossible to disable the runtime profiler to prevent functions from being considered hot. Essentially the --nocrankshaft flag was borked. R=machenbach@chromium.org Change-Id: I698008b4b69038e8bfab6d8ec3ccf57e2fd71701 Reviewed-on: https://chromium-review.googlesource.com/452619 Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#43720}
33 lines
874 B
JavaScript
33 lines
874 B
JavaScript
// 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: --mark-shared-functions-for-tier-up --allow-natives-syntax
|
|
// Flags: --ignition-staging --turbo --crankshaft --no-always-opt
|
|
|
|
// If we are always or never optimizing it is useless.
|
|
assertFalse(isAlwaysOptimize());
|
|
assertFalse(isNeverOptimize());
|
|
|
|
(function() {
|
|
var sum = 0;
|
|
var i = 0;
|
|
for (var i = 0; i < 3; ++i) {
|
|
var f = function(x) {
|
|
return 2 * x;
|
|
}
|
|
sum += f(i);
|
|
|
|
if (i == 1) {
|
|
// f must be interpreted code.
|
|
assertTrue(isInterpreted(f));
|
|
|
|
// Run twice (i = 0, 1), then tier-up.
|
|
%OptimizeFunctionOnNextCall(f);
|
|
} else if (i == 2) {
|
|
// Tier-up at i = 2 should go up to turbofan.
|
|
assertTrue(isTurboFanned(f));
|
|
}
|
|
}
|
|
})()
|