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Kmake/deps/v8/test/mjsunit/maglev/inline-phi-leak.js
2026-05-26 23:36:42 -07:00

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JavaScript

// 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 --maglev-inlining
function inlined(x) {
if (x < 10) {
x;
} else {
x;
}
// At a merge point, we should not think that we are merging the
// caller function Phi node.
}
function foo(y) {
y < 10;
let a = 1;
let b = 2;
for (let i = 0; i < y; i++) {
inlined(i); // Phi (representing i) can leak to the inlined function.
}
}
%PrepareFunctionForOptimization(inlined);
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();