Rollback of r11638, r11636 on trunk branch.

src/elements-kind.cc

Index: src/elements-kind.cc
diff --git a/src/elements-kind.cc b/src/elements-kind.cc
deleted file mode 100644
index 655a23bf1e497aa29a51c12c4546aa6ab6acf7bc..0000000000000000000000000000000000000000
--- a/src/elements-kind.cc
+++ /dev/null
@@ -1,134 +0,0 @@
-// 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 "elements-kind.h"
-
-#include "api.h"
-#include "elements.h"
-#include "objects.h"
-
-namespace v8 {
-namespace internal {
-
-
-void PrintElementsKind(FILE* out, ElementsKind kind) {
-  ElementsAccessor* accessor = ElementsAccessor::ForKind(kind);
-  PrintF(out, "%s", accessor->name());
-}
-
-
-ElementsKind GetInitialFastElementsKind() {
-  if (FLAG_packed_arrays) {
-    return FAST_SMI_ELEMENTS;
-  } else {
-    return FAST_HOLEY_SMI_ELEMENTS;
-  }
-}
-
-
-struct InitializeFastElementsKindSequence {
-  static void Construct(
-      ElementsKind** fast_elements_kind_sequence_ptr) {
-    ElementsKind* fast_elements_kind_sequence =
-        new ElementsKind[kFastElementsKindCount];
-    *fast_elements_kind_sequence_ptr = fast_elements_kind_sequence;
-    STATIC_ASSERT(FAST_SMI_ELEMENTS == FIRST_FAST_ELEMENTS_KIND);
-    fast_elements_kind_sequence[0] = FAST_SMI_ELEMENTS;
-    fast_elements_kind_sequence[1] = FAST_HOLEY_SMI_ELEMENTS;
-    fast_elements_kind_sequence[2] = FAST_DOUBLE_ELEMENTS;
-    fast_elements_kind_sequence[3] = FAST_HOLEY_DOUBLE_ELEMENTS;
-    fast_elements_kind_sequence[4] = FAST_ELEMENTS;
-    fast_elements_kind_sequence[5] = FAST_HOLEY_ELEMENTS;
-  }
-};
-
-
-static LazyInstance<ElementsKind*,
-                    InitializeFastElementsKindSequence>::type
-    fast_elements_kind_sequence = LAZY_INSTANCE_INITIALIZER;
-
-
-ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number) {
-  ASSERT(sequence_number >= 0 &&
-         sequence_number < kFastElementsKindCount);
-  return fast_elements_kind_sequence.Get()[sequence_number];
-}
-
-int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind) {
-  for (int i = 0; i < kFastElementsKindCount; ++i) {
-    if (fast_elements_kind_sequence.Get()[i] == elements_kind) {
-      return i;
-    }
-  }
-  UNREACHABLE();
-  return 0;
-}
-
-
-ElementsKind GetNextMoreGeneralFastElementsKind(ElementsKind elements_kind,
-                                                bool allow_only_packed) {
-  ASSERT(IsFastElementsKind(elements_kind));
-  ASSERT(elements_kind != TERMINAL_FAST_ELEMENTS_KIND);
-  while (true) {
-    int index =
-        GetSequenceIndexFromFastElementsKind(elements_kind) + 1;
-    elements_kind = GetFastElementsKindFromSequenceIndex(index);
-    if (!IsFastHoleyElementsKind(elements_kind) || !allow_only_packed) {
-      return elements_kind;
-    }
-  }
-  UNREACHABLE();
-  return TERMINAL_FAST_ELEMENTS_KIND;
-}
-
-
-bool IsMoreGeneralElementsKindTransition(ElementsKind from_kind,
-                                         ElementsKind to_kind) {
-  switch (from_kind) {
-    case FAST_SMI_ELEMENTS:
-      return to_kind != FAST_SMI_ELEMENTS;
-    case FAST_HOLEY_SMI_ELEMENTS:
-      return to_kind != FAST_SMI_ELEMENTS &&
-          to_kind != FAST_HOLEY_SMI_ELEMENTS;
-    case FAST_DOUBLE_ELEMENTS:
-      return to_kind != FAST_SMI_ELEMENTS &&
-          to_kind != FAST_HOLEY_SMI_ELEMENTS &&
-          to_kind != FAST_DOUBLE_ELEMENTS;
-    case FAST_HOLEY_DOUBLE_ELEMENTS:
-      return to_kind == FAST_ELEMENTS ||
-          to_kind == FAST_HOLEY_ELEMENTS;
-    case FAST_ELEMENTS:
-      return to_kind == FAST_HOLEY_ELEMENTS;
-    case FAST_HOLEY_ELEMENTS:
-      return false;
-    default:
-      return false;
-  }
-}
-
-
-} }  // namespace v8::internal