Function test

deps/v8/test/mjsunit/maglev/string-or-oddball-compare.js:36–81

(test_fn_src)

}

function test(test_fn_src) {
  assertEquals(internalized1234, nonInternalized1234);
  assertTrue(1234123412341234 == nonInternalized1234);
  assertTrue(%IsInternalizedString(internalized1234));
  assertFalse(%IsInternalizedString(nonInternalized1234));
  assertTrue(%IsInternalizedString(internalized1234));

  let test_fn = warmUpMaglevTestFn(test_fn_src);
  assertEquals(1, test_fn("1", "1"));
  assertTrue(isMaglevved(test_fn));

  assertEquals(0, test_fn(internalized1234, "1"));
  assertEquals(0, test_fn(undefined, "foo"));
  assertEquals(0, test_fn("foo", null));
  assertEquals(0, test_fn(false, "foo"));
  assertEquals(0, test_fn("foo", true));
  assertEquals(1, test_fn(undefined, undefined));
  assertEquals(1, test_fn(null, null));
  assertEquals(1, test_fn(true, true));
  assertEquals(1, test_fn(false, false));
  assertEquals(0, test_fn(undefined, null));
  assertEquals(0, test_fn(false, true));
  assertTrue(isMaglevved(test_fn));

  // The GC might have already migrated the thin string, create a new one
  let thin1234 = %ConstructThinString( "1234" + "1234" + "1234" + "1234");
  assertFalse(%IsInternalizedString(thin1234));

  assertEquals(1, test_fn(thin1234, "1234123412341234"));
  assertTrue(isMaglevved(test_fn));

  assertEquals(1, test_fn(thin1234, thin1234));
  assertTrue(isMaglevved(test_fn));

  assertEquals(1, test_fn(internalized1234, "1234123412341234"));
  assertTrue(isMaglevved(test_fn));

  // Passing something else than a string or oddball will cause a deopt.
  assertEquals(0, test_fn(internalized1234, 1234123412341234));
  assertUnoptimized(test_fn);

  // Non-internalized strings won't cause a deopt.
  test_fn = warmUpMaglevTestFn(test_fn_src);
  assertEquals(1, test_fn(nonInternalized1234, "1234123412341234"));
  assertTrue(isMaglevved(test_fn));
}

function strict_equals_fn(x, y) {
  if (x === y) {