src/v8/test/mjsunit/compiler/osr-alignment.js

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// Flags: --allow-natives-syntax --use-osr

function f1() {
  var sum = 0;
  for (var i = 0; i < 1000; i++) {
    var x = i + 2;
    var y = x + 5;
    var z = y + 3;
    sum += z;
    if (i == 18) %OptimizeOsr();
  }
  return sum;
}

function f2() {
  var sum = 0;
  for (var i = 0; i < 1000; i++) {
    var x = i + 2;
    var y = x + 5;
    var z = y + 3;
    sum += z;
    if (i == 19) %OptimizeOsr();
  }
  return sum;
}

function f3() {
  var sum = 0;
  for (var i = 0; i < 1000; i++) {
    var x = i + 2;
    var y = x + 5;
    var z = y + 3;
    sum += z;
    if (i == 20) %OptimizeOsr();
  }
  return sum;
}

function test1() {
  var j = 11;
  for (var i = 0; i < 2; i++) {
    %PrepareFunctionForOptimization(f1);
    assertEquals(509500, f1());
  }
}

function test2() {
  for (var i = 0; i < 2; i++) {
    var j = 11, k = 12;
    %PrepareFunctionForOptimization(f2);
    assertEquals(509500, f2());
  }
}

function test3() {
  for (var i = 0; i < 2; i++) {
    var j = 11, k = 13, m = 14;
    %PrepareFunctionForOptimization(f3);
    assertEquals(509500, f3());
  }
}

test1();
test2();
test3();