v8/test/mjsunit/regress/regress-v8-5697.js
Mathias Bynens c6a16c10dd [test] Add %PrepareForOptimization to even more tests
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall,
ideally after declaring the function.

Bug: v8:8801, v8:8394, v8:9183
Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62119}
2019-06-12 14:40:14 +00:00

38 lines
688 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: --allow-natives-syntax --opt
function load(o) {
return o.x;
};
%PrepareFunctionForOptimization(load);
for (var x = 0; x < 1000; ++x) {
load({x});
load({x});
%OptimizeFunctionOnNextCall(load);
try {
load();
} catch (e) {
}
}
assertOptimized(load);
function store(o) {
o.x = -1;
};
%PrepareFunctionForOptimization(store);
for (var x = 0; x < 1000; ++x) {
store({x});
store({x});
%OptimizeFunctionOnNextCall(store);
try {
store();
} catch (e) {
}
}
assertOptimized(store);