1 files changed, 60 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/b3/air/AirPhaseScope.cpp b/Source/JavaScriptCore/b3/air/AirPhaseScope.cpp
new file mode 100644
index 000000000..062ea2483
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+++ b/Source/JavaScriptCore/b3/air/AirPhaseScope.cpp
@@ -0,0 +1,60 @@
+/*
+ * 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 "AirPhaseScope.h"
+
+#if ENABLE(B3_JIT)
+
+#include "AirCode.h"
+#include "AirValidate.h"
+#include "B3Common.h"
+
+namespace JSC { namespace B3 { namespace Air {
+
+PhaseScope::PhaseScope(Code& code, const char* name)
+    : m_code(code)
+    , m_name(name)
+    , m_timingScope(name)
+{
+    if (shouldDumpIRAtEachPhase(AirMode)) {
+        dataLog("Air after ", code.lastPhaseName(), ", before ", name, ":\n");
+        dataLog(code);
+    }
+
+    if (shouldSaveIRBeforePhase())
+        m_dumpBefore = toCString(code);
+}
+
+PhaseScope::~PhaseScope()
+{
+    m_code.setLastPhaseName(m_name);
+    if (shouldValidateIRAtEachPhase())
+        validate(m_code, m_dumpBefore.data());
+}
+
+} } } // namespace JSC::B3::Air
+
+#endif // ENABLE(B3_JIT)