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// Copyright 2021 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 --sparkplug --no-always-sparkplug --use-osr
// Flags: --turbofan --no-always-turbofan --deopt-every-n-times=0
// Flags: --no-maglev-osr
function isExecutingBaseline(func) {
let opt_status = %GetOptimizationStatus(func);
return (opt_status & V8OptimizationStatus.kTopmostFrameIsBaseline) !== 0;
}
function f() {
for (var i = 0; i <= 20; i++) {
if (i == 5) {
%BaselineOsr();
}
if (i > 5) {
assertTrue(isBaseline(f));
assertTrue(isExecutingBaseline(f));
}
}
}
%NeverOptimizeFunction(f);
f();
var expectedStatus = V8OptimizationStatus.kTopmostFrameIsInterpreted;
function checkTopmostFrame(func) {
let opt_status = %GetOptimizationStatus(func);
assertTrue ((opt_status & expectedStatus) !== 0, "Expected flag " +
expectedStatus + " to be set in optimization status");
}
function g() {
for (var i = 0; i <= 20; i++) {
checkTopmostFrame(g)
if (i == 2) {
%BaselineOsr();
expectedStatus = V8OptimizationStatus.kTopmostFrameIsBaseline;
}
if (i == 5) {
%OptimizeOsr();
expectedStatus = V8OptimizationStatus.kTopmostFrameIsTurboFanned;
}
}
}
%PrepareFunctionForOptimization(g);
g();
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