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Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/deopt-raw-float-int32.js

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2026-05-26 23:36:42 -07:00
// Copyright 2024 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 --turbolev --turbofan
// Flags: --no-always-turbofan
// Testing deopt with raw floats and raw integers in the frame state.
%NeverOptimizeFunction(sum);
function sum(...args) {
return args.reduce((a,b) => a + b, 0);
}
function f(a, b, c) {
let x = a * 4.25;
let y = b * 17;
// This call to `sum` causes `x` and `y` to be part of the frame state.
let s = sum(a, b);
let z = b + c;
// This call is just to use the values we computed before.
return sum(s, x, y, z);
}
%PrepareFunctionForOptimization(f);
assertEquals(113.39, f(2.36, 5, 6));
assertEquals(113.39, f(2.36, 5, 6));
%OptimizeFunctionOnNextCall(f);
assertEquals(113.39, f(2.36, 5, 6));
assertOptimized(f);
assertEquals(113.93, f(2.36, 5, 6.54));
assertUnoptimized(f);