webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 87 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/b3/air/AirBasicBlock.cpp b/Source/JavaScriptCore/b3/air/AirBasicBlock.cpp
new file mode 100644
index 000000000..fa3ad8e4d
--- /dev/null
+++ b/Source/JavaScriptCore/b3/air/AirBasicBlock.cpp
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+/*
+ * Copyright (C) 2015 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 "AirBasicBlock.h"
+
+#if ENABLE(B3_JIT)
+
+#include "B3BasicBlockUtils.h"
+#include <wtf/ListDump.h>
+
+namespace JSC { namespace B3 { namespace Air {
+
+const char* const BasicBlock::dumpPrefix = "#";
+
+bool BasicBlock::addPredecessor(BasicBlock* block)
+{
+    return B3::addPredecessor(this, block);
+}
+
+bool BasicBlock::removePredecessor(BasicBlock* block)
+{
+    return B3::removePredecessor(this, block);
+}
+
+bool BasicBlock::replacePredecessor(BasicBlock* from, BasicBlock* to)
+{
+    return B3::replacePredecessor(this, from, to);
+}
+
+void BasicBlock::dump(PrintStream& out) const
+{
+    out.print(dumpPrefix, m_index);
+}
+
+void BasicBlock::deepDump(PrintStream& out) const
+{
+    dumpHeader(out);
+    for (const Inst& inst : *this)
+        out.print("    ", inst, "\n");
+    dumpFooter(out);
+}
+
+void BasicBlock::dumpHeader(PrintStream& out) const
+{
+    out.print("BB", *this, ": ; frequency = ", m_frequency, "\n");
+    if (predecessors().size())
+        out.print("  Predecessors: ", pointerListDump(predecessors()), "\n");
+}
+
+void BasicBlock::dumpFooter(PrintStream& out) const
+{
+    if (successors().size())
+        out.print("  Successors: ", listDump(successors()), "\n");
+}
+
+BasicBlock::BasicBlock(unsigned index, double frequency)
+    : m_index(index)
+    , m_frequency(frequency)
+{
+}
+
+} } } // namespace JSC::B3::Air
+
+#endif // ENABLE(B3_JIT)