bsimmers
59 linhas
2.1 KiB
C++
59 linhas
2.1 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include "hphp/runtime/vm/jit/irfactory.h"
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#include "hphp/runtime/vm/jit/block.h"
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namespace HPHP { namespace JIT {
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IRInstruction* IRFactory::defLabel(unsigned numDst) {
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IRInstruction inst(DefLabel);
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IRInstruction* label = cloneInstruction(&inst);
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if (numDst > 0) {
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SSATmp* dsts = (SSATmp*) m_arena.alloc(numDst * sizeof(SSATmp));
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for (unsigned i = 0; i < numDst; ++i) {
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new (&dsts[i]) SSATmp(m_nextOpndId++, label);
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}
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label->setDsts(numDst, dsts);
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}
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return label;
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}
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Block* IRFactory::defBlock(const Func* func) {
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return new (m_arena) Block(m_nextBlockId++, func);
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}
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IRInstruction* IRFactory::mov(SSATmp* dst, SSATmp* src) {
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IRInstruction* inst = gen(Mov, dst->type(), src);
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dst->setInstruction(inst);
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inst->setDst(dst);
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return inst;
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}
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SSATmp* IRFactory::findConst(ConstData& cdata, Type ctype) {
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IRInstruction inst(DefConst);
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inst.setExtra(&cdata);
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inst.setTypeParam(ctype);
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if (SSATmp* tmp = m_constTable.lookup(&inst)) {
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assert(tmp->type().equals(ctype));
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return tmp;
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}
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return m_constTable.insert(cloneInstruction(&inst)->dst());
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}
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}}
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