f6701a8cbd
Fixes incorrect checks for handle validity when checking the compiled code, as well as incorrect uses of tst in arm and ppc flag checking code. Also adds a test that the tier-up works correctly. Reland of https://codereview.chromium.org/2448933002 BUG=v8:5512 Review-Url: https://codereview.chromium.org/2497573003 Cr-Commit-Position: refs/heads/master@{#40930}
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
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 --ignition-staging --no-turbo
|
|
|
|
(function() {
|
|
var sum = 0;
|
|
var i = 0;
|
|
for (var i = 0; i < 5; ++i) {
|
|
var f = function(x) {
|
|
return 2 * x;
|
|
}
|
|
sum += f(i);
|
|
|
|
if (%GetOptimizationStatus(f) == 3 || %GetOptimizationStatus(f) == 4) {
|
|
// If we are always or never optimizing f, just exit, this test is useless.
|
|
return;
|
|
}
|
|
|
|
if (i == 1) {
|
|
// f must be interpreted code.
|
|
assertEquals(8, %GetOptimizationStatus(f));
|
|
|
|
// Allow it to run twice (i = 0, 1), then tier-up to baseline.
|
|
%BaselineFunctionOnNextCall(f);
|
|
} else if (i == 2) {
|
|
// Tier-up at i = 2 should only go up to baseline.
|
|
assertEquals(2, %GetOptimizationStatus(f));
|
|
} else if (i == 3) {
|
|
// Now f must be baseline code.
|
|
assertEquals(2, %GetOptimizationStatus(f));
|
|
|
|
// Run two more times (i = 2, 3), then tier-up to optimized.
|
|
%OptimizeFunctionOnNextCall(f);
|
|
} else if (i == 4) {
|
|
// Tier-up at i = 4 should now go up to crankshaft.
|
|
assertEquals(1, %GetOptimizationStatus(f));
|
|
}
|
|
}
|
|
})()
|