Javascript  |  63行  |  2.33 KB

// Copyright 2011 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
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//       with the distribution.
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//
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// Test deoptimization after inlined call.

function bar(a, b) {try { return a; } finally { } }

function test_context() {
  function foo(x) { return 42; }
  var s, t;
  for (var i = 0x7fff0000; i < 0x80000000; i++) {
    bar(t = foo(i) ? bar(42 + i - i) : bar(0), s = i + t);
  }
  return s;
}
assertEquals(0x7fffffff + 42, test_context());


function value_context() {
  function foo(x) { return 42; }
  var s, t;
  for (var i = 0x7fff0000; i < 0x80000000; i++) {
    bar(t = foo(i), s = i + t);
  }
  return s;
}
assertEquals(0x7fffffff + 42, value_context());


function effect_context() {
  function foo(x) { return 42; }
  var s, t;
  for (var i = 0x7fff0000; i < 0x80000000; i++) {
    bar(foo(i), s = i + 42);
  }
  return s;
}
assertEquals(0x7fffffff + 42, effect_context());