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// Copyright 2022 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 --maglev --no-stress-opt
// Flags: --no-baseline-batch-compilation --use-osr --turbofan
// Flags: --concurrent-osr --concurrent-recompilation
// Flags: --osr-from-maglev --concurrent-osr --concurrent-recompilation
// Flags: --always-osr-from-maglev
let keep_going = 10000000; // A counter to avoid test hangs on failure.
function f() {
let reached_tf = false;
let prev_status = 0;
while (!reached_tf && --keep_going) {
// This loop should trigger OSR.
reached_tf = %CurrentFrameIsTurbofan();
let status = %GetOptimizationStatus(f);
if (status !== prev_status) {
let p = []
for (let k in V8OptimizationStatus) {
if (V8OptimizationStatus[k] & status) {
p.push(k);
}
}
print(p.join(","));
prev_status = status;
}
}
}
function g() {
assertTrue(%IsTurbofanEnabled());
f();
assertTrue(keep_going > 0);
}
%NeverOptimizeFunction(g);
g();
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