Function monomorphic

deps/v8/test/mjsunit/elements-kind.js:154–164

(array)

  // Crankshaft support for smi-only array elements.
  function monomorphic(array) {
    assertKind(elements_kind.fast_smi_only, array);
    for (var i = 0; i < 3; i++) {
      array[i] = i + 10;
    }
    assertKind(elements_kind.fast_smi_only, array);
    for (var i = 0; i < 3; i++) {
      var a = array[i];
      assertEquals(i + 10, a);
    }
  }
  var smi_only = new Array(1, 2, 3);
  assertKind(elements_kind.fast_smi_only, smi_only);
  %PrepareFunctionForOptimization(monomorphic);