convert BitVector to use pointer size blocks

test/cctest/test-dataflow.cc

-// Copyright 2012 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
-//       disclaimer in the documentation and/or other materials provided
-//       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
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// 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,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <stdlib.h>
-
-#include "src/v8.h"
-
-#include "src/data-flow.h"
-#include "test/cctest/cctest.h"
-
-using namespace v8::internal;
-
-TEST(BitVector) {
-  Zone zone(CcTest::i_isolate());
-  {
-    BitVector v(15, &zone);
-    v.Add(1);
-    CHECK(v.Contains(1));
-    v.Remove(0);
-    CHECK(!v.Contains(0));
-    v.Add(0);
-    v.Add(1);
-    BitVector w(15, &zone);
-    w.Add(1);
-    v.Intersect(w);
-    CHECK(!v.Contains(0));
-    CHECK(v.Contains(1));
-  }
-
-  {
-    BitVector v(64, &zone);
-    v.Add(27);
-    v.Add(30);
-    v.Add(31);
-    v.Add(33);
-    BitVector::Iterator iter(&v);
-    CHECK_EQ(27, iter.Current());
-    iter.Advance();
-    CHECK_EQ(30, iter.Current());
-    iter.Advance();
-    CHECK_EQ(31, iter.Current());
-    iter.Advance();
-    CHECK_EQ(33, iter.Current());
-    iter.Advance();
-    CHECK(iter.Done());
-  }
-
-  {
-    BitVector v(15, &zone);
-    v.Add(0);
-    BitVector w(15, &zone);
-    w.Add(1);
-    v.Union(w);
-    CHECK(v.Contains(0));
-    CHECK(v.Contains(1));
-  }
-
-  {
-    BitVector v(15, &zone);
-    v.Add(0);
-    BitVector w(15, &zone);
-    w = v;
-    CHECK(w.Contains(0));
-    w.Add(1);
-    BitVector u(w, &zone);
-    CHECK(u.Contains(0));
-    CHECK(u.Contains(1));
-    v.Union(w);
-    CHECK(v.Contains(0));
-    CHECK(v.Contains(1));
-  }
-
-  {
-    BitVector v(35, &zone);
-    v.Add(0);
-    BitVector w(35, &zone);
-    w.Add(33);
-    v.Union(w);
-    CHECK(v.Contains(0));
-    CHECK(v.Contains(33));
-  }
-
-  {
-    BitVector v(35, &zone);
-    v.Add(32);
-    v.Add(33);
-    BitVector w(35, &zone);
-    w.Add(33);
-    v.Intersect(w);
-    CHECK(!v.Contains(32));
-    CHECK(v.Contains(33));
-    BitVector r(35, &zone);
-    r.CopyFrom(v);
-    CHECK(!r.Contains(32));
-    CHECK(r.Contains(33));
-  }
-}