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/*
* Copyright (C) 2015-2023 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 "AirBasicBlock.h"
#if ENABLE(B3_JIT)
#include "B3BasicBlockUtils.h"
#include <wtf/ListDump.h>
#include <wtf/TZoneMallocInlines.h>
namespace JSC { namespace B3 { namespace Air {
const char* const BasicBlock::dumpPrefix = "#";
WTF_MAKE_TZONE_ALLOCATED_IMPL(BasicBlock);
void BasicBlock::setSuccessors(FrequentedBlock target)
{
m_successors.resize(1);
m_successors[0] = target;
}
void BasicBlock::setSuccessors(FrequentedBlock taken, FrequentedBlock notTaken)
{
m_successors.resize(2);
m_successors[0] = taken;
m_successors[1] = notTaken;
}
bool BasicBlock::addPredecessor(BasicBlock* block)
{
return B3::addPredecessor(this, block);
}
bool BasicBlock::removePredecessor(BasicBlock* block)
{
return B3::removePredecessor(this, block);
}
bool BasicBlock::replacePredecessor(BasicBlock* from, BasicBlock* to)
{
return B3::replacePredecessor(this, from, to);
}
void BasicBlock::dump(PrintStream& out) const
{
out.print(dumpPrefix, m_index);
}
void BasicBlock::deepDump(PrintStream& out) const
{
dumpHeader(out);
for (const Inst& inst : *this)
out.print(tierName, " ", inst, "\n");
dumpFooter(out);
}
void BasicBlock::dumpHeader(PrintStream& out) const
{
out.print(tierName, "BB", *this, ": ; frequency = ", m_frequency, "\n");
if (predecessors().size())
out.print(tierName, " Predecessors: ", pointerListDump(predecessors()), "\n");
}
void BasicBlock::dumpFooter(PrintStream& out) const
{
if (successors().size())
out.print(tierName, " Successors: ", listDump(successors()), "\n");
}
BasicBlock::BasicBlock(unsigned index, double frequency)
: m_index(index)
, m_frequency(frequency)
{
}
} } } // namespace JSC::B3::Air
#endif // ENABLE(B3_JIT)
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