1 files changed, 0 insertions, 91 deletions
diff --git a/Source/JavaScriptCore/b3/B3PureCSE.cpp b/Source/JavaScriptCore/b3/B3PureCSE.cpp
deleted file mode 100644
index 4030e2835..000000000
--- a/Source/JavaScriptCore/b3/B3PureCSE.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "config.h"
-#include "B3PureCSE.h"
-
-#if ENABLE(B3_JIT)
-
-#include "B3Dominators.h"
-#include "B3Value.h"
-
-namespace JSC { namespace B3 {
-
-PureCSE::PureCSE()
-{
-}
-
-PureCSE::~PureCSE()
-{
-}
-
-void PureCSE::clear()
-{
-    m_map.clear();
-}
-
-Value* PureCSE::findMatch(const ValueKey& key, BasicBlock* block, Dominators& dominators)
-{
-    if (!key)
-        return nullptr;
-
-    auto iter = m_map.find(key);
-    if (iter == m_map.end())
-        return nullptr;
-
-    for (Value* match : iter->value) {
-        if (dominators.dominates(match->owner, block))
-            return match;
-    }
-
-    return nullptr;
-}
-
-bool PureCSE::process(Value* value, Dominators& dominators)
-{
-    if (value->opcode() == Identity)
-        return false;
-
-    ValueKey key = value->key();
-    if (!key)
-        return false;
-
-    Matches& matches = m_map.add(key, Matches()).iterator->value;
-
-    for (Value* match : matches) {
-        if (dominators.dominates(match->owner, value->owner)) {
-            value->replaceWithIdentity(match);
-            return true;
-        }
-    }
-
-    matches.append(value);
-    return false;
-}
-
-} } // namespace JSC::B3
-
-#endif // ENABLE(B3_JIT)
-