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/*
* Copyright (C) 2015-2018 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 "B3StackmapValue.h"
#if ENABLE(B3_JIT)
#include "B3ValueInlines.h"
namespace JSC { namespace B3 {
namespace B3StackmapValueInternal {
constexpr bool dumpRegisters = false;
}
StackmapValue::~StackmapValue() = default;
void StackmapValue::append(Value* value, const ValueRep& rep)
{
if (rep == ValueRep::ColdAny) {
childrenVector().append(value);
return;
}
while (m_reps.size() < numChildren())
m_reps.append(ValueRep::ColdAny);
childrenVector().append(value);
m_reps.append(rep);
}
void StackmapValue::appendSomeRegister(Value* value)
{
append(ConstrainedValue(value, ValueRep::SomeRegister));
}
void StackmapValue::appendSomeRegisterWithClobber(Value* value)
{
append(ConstrainedValue(value, ValueRep::SomeRegisterWithClobber));
}
void StackmapValue::setConstrainedChild(unsigned index, const ConstrainedValue& constrainedValue)
{
child(index) = constrainedValue.value();
setConstraint(index, constrainedValue.rep());
}
void StackmapValue::setConstraint(unsigned index, const ValueRep& rep)
{
if (rep == ValueRep(ValueRep::ColdAny))
return;
while (m_reps.size() <= index)
m_reps.append(ValueRep::ColdAny);
m_reps[index] = rep;
}
void StackmapValue::dumpChildren(CommaPrinter& comma, PrintStream& out) const
{
for (ConstrainedValue value : constrainedChildren())
out.print(comma, value);
}
void StackmapValue::dumpMeta(CommaPrinter& comma, PrintStream& out) const
{
out.print(
comma, "generator = ", RawPointer(m_generator.get()));
if constexpr (B3StackmapValueInternal::dumpRegisters) {
out.print(", earlyClobbered = ", m_earlyClobbered,
", lateClobbered = ", m_lateClobbered, ", usedRegisters = ", m_usedRegisters);
}
}
StackmapValue::StackmapValue(CheckedOpcodeTag, Kind kind, Type type, Origin origin)
: Value(CheckedOpcode, kind, type, VarArgs, origin)
{
ASSERT(accepts(kind));
}
} } // namespace JSC::B3
#endif // ENABLE(B3_JIT)
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