xref: /external/chromium_org/v8/test/mjsunit/compiler/regress-shared-deopt.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
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//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --allow-natives-syntax

var soft = false;

// disable optimization of this global
soft = true;
soft = false;
soft = true;
soft = false;

function test() {
  var f4 = makeF(4);
  var f5 = makeF(5);

  function makeF(i) {
    return function f(x) {
      if (x == 0) return i;
      if (i == 4) if (soft) print("wahoo" + i);
      return f4(x - 1);
    }
  }

  f4(9);
  f4(11);
  %OptimizeFunctionOnNextCall(f4);
  f4(12);

  f5(9);
  f5(11);
  %OptimizeFunctionOnNextCall(f5);
  f5(12);

  soft = true;
  f4(1);
  f5(9);
}

test();