v8/test/mjsunit/regress/regress-3884.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

28 lines
720 B
JavaScript

// Copyright 2015 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 --expose-gc
function f(x) {
// TurboFan will hoist the CompareIC for x === 'some_string' and spill it.
if (x === 'some_other_string_1' || x === 'some_string') {
gc();
}
if (x === 'some_other_string_2' || x === 'some_string') {
gc();
}
// TurboFan will hoist the CompareIC for x === 1.4 and spill it.
if (x === 1.7 || x === 1.4) {
gc();
}
if (x === 1.9 || x === 1.4) {
gc();
}
};
%PrepareFunctionForOptimization(f);
%OptimizeFunctionOnNextCall(f);
f('some_other_string_1');
f(1.7);