darling-JavaScriptCore/b3/B3CheckValue.cpp

65 lines
2.3 KiB
C++

/*
* 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_kind = CheckAdd;
}
// Use this form for CheckAdd, CheckSub, and CheckMul.
CheckValue::CheckValue(Kind kind, Origin origin, Value* left, Value* right)
: StackmapValue(CheckedOpcode, kind, left->type(), origin)
{
ASSERT(type().isInt());
ASSERT(left->type() == right->type());
ASSERT(kind == CheckAdd || kind == CheckSub || kind == CheckMul);
append(ConstrainedValue(left, ValueRep::WarmAny));
append(ConstrainedValue(right, ValueRep::WarmAny));
}
// Use this form for Check.
CheckValue::CheckValue(Kind kind, Origin origin, Value* predicate)
: StackmapValue(CheckedOpcode, kind, Void, origin)
{
ASSERT(kind == Check);
append(ConstrainedValue(predicate, ValueRep::WarmAny));
}
} } // namespace JSC::B3
#endif // ENABLE(B3_JIT)