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/*
* Copyright (C) 2015-2017 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 "B3ValueKey.h"
#if ENABLE(B3_JIT)
#include "B3ArgumentRegValue.h"
#include "B3ProcedureInlines.h"
#include "B3SlotBaseValue.h"
#include "B3ValueInlines.h"
#include "B3ValueKeyInlines.h"
namespace JSC { namespace B3 {
ValueKey ValueKey::intConstant(Type type, int64_t value)
{
switch (type.kind()) {
case Int32:
return ValueKey(Const32, Int32, value);
case Int64:
return ValueKey(Const64, Int64, value);
default:
RELEASE_ASSERT_NOT_REACHED();
return ValueKey();
}
}
void ValueKey::dump(PrintStream& out) const
{
out.print(m_type, " ", m_kind, "(", u.indices[0], ", ", u.indices[1], ", ", u.indices[2], ")");
}
Value* ValueKey::materialize(Procedure& proc, Origin origin) const
{
// NOTE: We sometimes cannot return a Value* for some key, like for Check and friends. That's because
// though those nodes have side exit effects. It would be weird to materialize anything that has a side
// exit. We can't possibly know enough about a side exit to know where it would be safe to emit one.
switch (opcode()) {
case FramePointer:
return proc.add<Value>(kind(), type(), origin);
case Identity:
case Opaque:
case Abs:
case Floor:
case Ceil:
case Sqrt:
case Neg:
case Depend:
case SExt8:
case SExt16:
case SExt32:
case ZExt32:
case Clz:
case Trunc:
case IToD:
case IToF:
case FloatToDouble:
case DoubleToFloat:
return proc.add<Value>(kind(), type(), origin, child(proc, 0));
case Add:
case Sub:
case Mul:
case Div:
case UDiv:
case Mod:
case UMod:
case BitAnd:
case BitOr:
case BitXor:
case Shl:
case SShr:
case ZShr:
case RotR:
case RotL:
case Equal:
case NotEqual:
case LessThan:
case GreaterThan:
case Above:
case Below:
case AboveEqual:
case BelowEqual:
case EqualOrUnordered:
return proc.add<Value>(kind(), type(), origin, child(proc, 0), child(proc, 1));
case Select:
return proc.add<Value>(kind(), type(), origin, child(proc, 0), child(proc, 1), child(proc, 2));
case Const32:
return proc.add<Const32Value>(origin, static_cast<int32_t>(value()));
case Const64:
return proc.add<Const64Value>(origin, value());
case ConstDouble:
return proc.add<ConstDoubleValue>(origin, doubleValue());
case ConstFloat:
return proc.add<ConstFloatValue>(origin, floatValue());
case BottomTuple:
return proc.add<BottomTupleValue>(origin, type());
case ArgumentReg:
return proc.add<ArgumentRegValue>(origin, Reg::fromIndex(static_cast<unsigned>(value())));
case SlotBase:
return proc.add<SlotBaseValue>(origin, proc.stackSlots()[value()]);
default:
return nullptr;
}
}
} } // namespace JSC::B3
#endif // ENABLE(B3_JIT)
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