Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 69 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/b3/B3CheckValue.cpp b/Source/JavaScriptCore/b3/B3CheckValue.cpp
new file mode 100644
index 000000000..b8b27cc20
--- /dev/null
+++ b/Source/JavaScriptCore/b3/B3CheckValue.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2015-2016 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 "B3CheckValue.h"
+
+#if ENABLE(B3_JIT)
+
+namespace JSC { namespace B3 {
+
+CheckValue::~CheckValue()
+{
+}
+
+void CheckValue::convertToAdd()
+{
+    RELEASE_ASSERT(opcode() == CheckAdd || opcode() == CheckSub || opcode() == CheckMul);
+    m_opcode = CheckAdd;
+}
+
+Value* CheckValue::cloneImpl() const
+{
+    return new CheckValue(*this);
+}
+
+// Use this form for CheckAdd, CheckSub, and CheckMul.
+CheckValue::CheckValue(Opcode opcode, Origin origin, Value* left, Value* right)
+    : StackmapValue(CheckedOpcode, opcode, left->type(), origin)
+{
+    ASSERT(B3::isInt(type()));
+    ASSERT(left->type() == right->type());
+    ASSERT(opcode == CheckAdd || opcode == CheckSub || opcode == CheckMul);
+    append(ConstrainedValue(left, ValueRep::WarmAny));
+    append(ConstrainedValue(right, ValueRep::WarmAny));
+}
+
+// Use this form for Check.
+CheckValue::CheckValue(Opcode opcode, Origin origin, Value* predicate)
+    : StackmapValue(CheckedOpcode, opcode, Void, origin)
+{
+    ASSERT(opcode == Check);
+    append(ConstrainedValue(predicate, ValueRep::WarmAny));
+}
+
+} } // namespace JSC::B3
+
+#endif // ENABLE(B3_JIT)