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OMRNode.cpp
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OMRNode.cpp
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/*******************************************************************************
* Copyright (c) 2000, 2020 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#include "il/Node.hpp"
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include "codegen/CodeGenerator.hpp"
#include "env/FrontEnd.hpp"
#include "codegen/Linkage.hpp"
#include "codegen/LiveRegister.hpp"
#include "codegen/RecognizedMethods.hpp"
#include "codegen/Register.hpp"
#include "codegen/RegisterPair.hpp"
#include "compile/Compilation.hpp"
#include "compile/Method.hpp"
#include "compile/ResolvedMethod.hpp"
#include "compile/SymbolReferenceTable.hpp"
#include "control/Options.hpp"
#include "cs2/hashtab.h"
#include "env/ClassEnv.hpp"
#include "env/CompilerEnv.hpp"
#include "env/Environment.hpp"
#include "env/IO.hpp"
#include "env/TRMemory.hpp"
#include "env/VMEnv.hpp"
#include "env/defines.h"
#include "il/AliasSetInterface.hpp"
#include "il/AutomaticSymbol.hpp"
#include "il/Block.hpp"
#include "il/DataTypes.hpp"
#include "il/IL.hpp"
#include "il/ILOpCodes.hpp"
#include "il/ILOps.hpp"
#include "il/MethodSymbol.hpp"
#include "il/Node.hpp"
#include "il/NodeExtension.hpp"
#include "il/NodePool.hpp"
#include "il/NodeUtils.hpp"
#include "il/Node_inlines.hpp"
#include "il/ParameterSymbol.hpp"
#include "il/ResolvedMethodSymbol.hpp"
#include "il/StaticSymbol.hpp"
#include "il/Symbol.hpp"
#include "il/SymbolReference.hpp"
#include "il/TreeTop.hpp"
#include "il/TreeTop_inlines.hpp"
#include "ilgen/IlGen.hpp"
#include "infra/Assert.hpp"
#include "infra/BitVector.hpp"
#include "infra/Flags.hpp"
#include "infra/List.hpp"
#include "infra/TRlist.hpp"
#include "infra/Checklist.hpp"
#include "optimizer/LoadExtensions.hpp"
#include "optimizer/Optimizer.hpp"
#include "optimizer/ValueNumberInfo.hpp"
#include "ras/Debug.hpp"
#ifdef J9_PROJECT_SPECIFIC
#ifdef TR_TARGET_S390
#include "z/codegen/S390Register.hpp"
#endif
#endif
/**
* Node constructors and create functions
*/
void *
OMR::Node::operator new(size_t s, TR::NodePool& nodes)
{
return (void *) nodes.allocate();
}
void
OMR::Node::operator delete(void *node, TR::NodePool& nodes)
{
nodes.deallocate((TR::Node *) node);
}
void *
OMR::Node::operator new(size_t s, void *ptr) throw()
{
return ::operator new(s, ptr);
}
void
OMR::Node::operator delete(void *node, void *ptr) throw()
{
::operator delete(node, ptr);
}
OMR::Node::Node()
: _opCode(TR::BadILOp),
_numChildren(0),
//_globalIndex(0),
_flags(0),
_visitCount(0),
_localIndex(0),
_referenceCount(0),
_byteCodeInfo(),
_unionBase(),
_unionPropertyA()
{
}
OMR::Node::~Node()
{
_unionPropertyA = UnionPropertyA();
_opCode.setOpCodeValue(TR::BadILOp);
self()->freeExtensionIfExists();
}
OMR::Node::Node(TR::Node *originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren)
: _opCode(op),
_numChildren(numChildren),
//_globalIndex(0),
_flags(0),
_visitCount(0),
_localIndex(0),
_referenceCount(0),
_byteCodeInfo(),
_unionBase(),
_unionPropertyA()
{
TR::Compilation * comp = TR::comp();
if (!comp->isPeekingMethod() && self()->uses64BitGPRs())
comp->getJittedMethodSymbol()->setMayHaveLongOps(true);
uint16_t numElems = numChildren;
if (numElems > NUM_DEFAULT_CHILDREN)
{
self()->createNodeExtension(numElems);
}
if (op == TR::BBStart)
{
self()->setChild(0, NULL);
self()->setLabel(NULL);
}
else
{
self()->setChild(0, NULL);
self()->setChild(1, NULL);
}
self()->setReferenceCount(0);
self()->setVisitCount(0);
self()->setLocalIndex(0);
memset( &(_unionA), 0, sizeof( _unionA ) );
if (self()->getGlobalIndex() == MAX_NODE_COUNT)
{
TR_ASSERT(0, "getGlobalIndex() == MAX_NODE_COUNT");
comp->failCompilation<TR::ExcessiveComplexity>("Global index equal to max node count");
}
_byteCodeInfo.setInvalidCallerIndex();
_byteCodeInfo.setIsSameReceiver(0);
TR_IlGenerator * ilGen = comp->getCurrentIlGenerator();
if (ilGen)
{
int32_t i = ilGen->currentByteCodeIndex();
_byteCodeInfo.setByteCodeIndex(i >= 0 ? i : 0);
_byteCodeInfo.setCallerIndex(comp->getCurrentInlinedSiteIndex());
if (_byteCodeInfo.getCallerIndex() < 0)
_byteCodeInfo.setCallerIndex(ilGen->currentCallSiteIndex());
TR_ASSERT(_byteCodeInfo.getCallerIndex() < (SHRT_MAX/4), "Caller index too high; cannot set high order bit\n");
_byteCodeInfo.setDoNotProfile(0);
}
else if (originatingByteCodeNode)
{
_byteCodeInfo = originatingByteCodeNode->getByteCodeInfo();
_byteCodeInfo.setDoNotProfile(1);
}
else
{
// Commented out because dummy nodes are created in
// estimate code size to be able to propagate frequencies
//else
// TR_ASSERT(0, "no byte code info");
_byteCodeInfo.setDoNotProfile(1);
}
if(comp->getDebug())
comp->getDebug()->newNode(self());
// check that _unionPropertyA union is disjoint
TR_ASSERT(
self()->hasSymbolReference()
+ self()->hasRegLoadStoreSymbolReference()
+ self()->hasBranchDestinationNode()
+ self()->hasBlock()
+ self()->hasArrayStride()
+ self()->hasPinningArrayPointer()
+ self()->hasDataType() <= 1,
"_unionPropertyA union is not disjoint for this node %s (%p):\n"
" has({SymbolReference, ...}, ..., DataType) = ({%1d,%1d},%1d,%1d,%1d,%1d,%1d)\n",
self()->getOpCode().getName(), this,
self()->hasSymbolReference(),
self()->hasRegLoadStoreSymbolReference(),
self()->hasBranchDestinationNode(),
self()->hasBlock(),
self()->hasArrayStride(),
self()->hasPinningArrayPointer(),
self()->hasDataType());
}
/**
* Copy constructor, must allow for copying more than 2 children.
*/
OMR::Node::Node(TR::Node * from, uint16_t numChildren)
: _opCode(TR::BadILOp),
_numChildren(0),
_globalIndex(0),
_flags(0),
_visitCount(0),
_localIndex(0),
_referenceCount(0),
_byteCodeInfo(),
_unionBase(),
_unionPropertyA()
{
TR::Compilation * comp = TR::comp();
memcpy(self(), from, sizeof(TR::Node));
if (self()->hasDataType())
self()->setDataType(TR::NoType);
self()->copyChildren(from, numChildren, true /* forNodeExtensionOnly */);
if (from->getOpCode().getOpCodeValue() == TR::allocationFence)
self()->setAllocation(NULL);
self()->setGlobalIndex(comp->getNodePool().getLastGlobalIndex());
// a memcpy is used above to copy fields from the argument "node" to "this", but
// opt attributes are separate, and need separate initialization.
self()->setReferenceCount(from->getReferenceCount());
self()->setVisitCount(from->getVisitCount());
self()->setLocalIndex(from->getLocalIndex());
_unionA = from->_unionA;
if (self()->getGlobalIndex() == MAX_NODE_COUNT)
{
TR_ASSERT(0, "getGlobalIndex() == MAX_NODE_COUNT");
comp->failCompilation<TR::ExcessiveComplexity>("Global index equal to max node count");
}
if(comp->getDebug())
comp->getDebug()->newNode(self());
TR_IlGenerator * ilGen = comp->getCurrentIlGenerator();
if (ilGen)
{
_byteCodeInfo.setDoNotProfile(0);
}
else
{
_byteCodeInfo.setDoNotProfile(1);
}
if (from->getOpCode().isBranch() || from->getOpCode().isSwitch())
_byteCodeInfo.setDoNotProfile(1);
if (from->getOpCode().isStoreReg() || from->getOpCode().isLoadReg())
{
if (from->requiresRegisterPair(comp))
{
self()->setLowGlobalRegisterNumber(from->getLowGlobalRegisterNumber());
self()->setHighGlobalRegisterNumber(from->getHighGlobalRegisterNumber());
}
else
{
self()->setGlobalRegisterNumber(from->getGlobalRegisterNumber());
}
}
if (from->hasDataType())
{
self()->setDataType(from->getDataType());
}
}
TR::Node *
OMR::Node::copy(TR::Node * from)
{
TR::Compilation *comp = TR::comp();
int32_t numChildren = from->getNumChildren();
TR::ILOpCode opCode = from->getOpCode();
TR::ILOpCodes opCodeValue = opCode.getOpCodeValue();
if (opCode.isIf() ||
opCodeValue == TR::anewarray ||
opCodeValue == TR::newarray ||
opCodeValue == TR::arraycopy ||
opCodeValue == TR::tstart ||
opCodeValue == TR::arrayset)
++numChildren;
// note arraystorechk node has 1 or 2 children but it allocates spaces for 3 children
// we need to make sure we have room for 3
if (opCodeValue == TR::ArrayStoreCHK)
numChildren = 3;
TR::Node * n = new (comp->getNodePool()) TR::Node(from);
return n;
}
TR::Node *
OMR::Node::copy(TR::Node * from, int32_t numChildren)
{
TR::Compilation *comp = TR::comp();
TR_ASSERT(numChildren >= from->getNumChildren(), "copy must have at least as many children as original");
TR::Node *clone = new (comp->getNodePool()) TR::Node(from, numChildren);
return clone;
}
/**
* Copy the children of from to this node, extending if necessary
*
* If !forNodeExtensionOnly then clone the default children as well, including the _numChildren[Room] fields
*/
void
OMR::Node::copyChildren(TR::Node *from, uint16_t numChildren /* ignored if !forNodeExtensionOnly */, bool forNodeExtensionOnly)
{
if (!forNodeExtensionOnly)
{
_numChildren = numChildren = from->getNumChildren();
}
if (from->hasNodeExtension())
{
// if original node had a node extension, need to copy over those elements
if (numChildren > from->_unionBase._extension.getNumElems())
{
self()->createNodeExtension(numChildren);
for(uint16_t childNum = 0; childNum < from->_unionBase._extension.getNumElems(); childNum++)
self()->setChild(childNum, from->getChild(childNum));
}
else
{
size_t size = from->sizeOfExtension();
self()->copyNodeExtension(from->_unionBase._extension.getExtensionPtr(), from->_unionBase._extension.getNumElems(), size);
}
}
else
{
if (numChildren > NUM_DEFAULT_CHILDREN)
self()->createNodeExtension(numChildren);
if ((numChildren > NUM_DEFAULT_CHILDREN) || !forNodeExtensionOnly)
for(uint16_t childNum = 0 ; childNum < from->getNumChildren(); childNum++)
self()->setChild(childNum, from->getChild(childNum));
}
}
void
OMR::Node::copyValidProperties(TR::Node *fromNode, TR::Node *toNode)
{
// IMPORTANT: Copy UnionPropertyA first
// Some parts of the code rely on getDataType, which can assert if
// toNode's opcode before copying has the HasNoDataType property and
// fromNode's opcode does not have the HasNoDataType property
UnionPropertyA_Type fromUnionPropertyA_Type = fromNode->getUnionPropertyA_Type();
UnionPropertyA_Type toUnionPropertyA_Type = toNode->getUnionPropertyA_Type();
if (fromUnionPropertyA_Type == toUnionPropertyA_Type)
{
switch (fromUnionPropertyA_Type)
{
case HasSymbolReference:
#if !defined(ENABLE_RECREATE_WITH_COPY_VALID_PROPERTIES_COMPLETE)
toNode->_unionPropertyA._symbolReference = fromNode->_unionPropertyA._symbolReference;
#else
toNode->setSymbolReference(fromNode->getSymbolReference());
#endif
break;
case HasRegLoadStoreSymbolReference:
#if !defined(ENABLE_RECREATE_WITH_COPY_VALID_PROPERTIES_COMPLETE)
toNode->_unionPropertyA._regLoadStoreSymbolReference = fromNode->_unionPropertyA._regLoadStoreSymbolReference;
#else
toNode->setRegLoadStoreSymbolReference(fromNode->getRegLoadStoreSymbolReference());
#endif
break;
case HasBranchDestinationNode:
toNode->setBranchDestination(fromNode->getBranchDestination());
break;
case HasBlock:
toNode->setBlock(fromNode->getBlock());
break;
case HasArrayStride:
toNode->setArrayStride(fromNode->getArrayStride());
break;
case HasPinningArrayPointer:
toNode->setPinningArrayPointer(fromNode->getPinningArrayPointer());
break;
case HasDataType:
toNode->setDataType(fromNode->getDataType());
break;
default:
/* HasNoUnionPropertyA */
break;
}
}
TR::ILOpCodes fromOpCode = fromNode->getOpCodeValue();
TR::ILOpCodes toOpCode = toNode->getOpCodeValue();
#if defined(ENABLE_RECREATE_WITH_COPY_VALID_PROPERTIES_COMPLETE)
// _unionBase._unionBase._constValue - presently incomplete
bool fromConst = fromNode->getOpCode().isLoadConst() && (fromNode->getType().isIntegral() || fromNode->getType().isAddress());
bool toConst = toNode->getOpCode().isLoadConst() && (toNode->getType().isIntegral() || toNode->getType().isAddress());
if (fromConst && toConst)
toNode->set64bitIntegralValue(fromNode->get64bitIntegralValue());
// _flags - presently incomplete
if ((fromOpCode == TR::bitOpMemND) && (toOpCode == TR::bitOpMem))
{
if (fromNode->isOrBitOpMem()) toNode->setOrBitOpMem(true);
if (fromNode->isAndBitOpMem()) toNode->setAndBitOpMem(true);
if (fromNode->isXorBitOpMem()) toNode->setXorBitOpMem(true);
}
// TODO: other properties that need to be completed - see below
#else
// _unionBase
if (toNode->_numChildren == 0 || !toNode->hasNodeExtension())
{
/* if (fromNode->getOpCode().getOpCodeValue() == TR::allocationFence)
self()->setAllocation(NULL); */
{
// may be using other property that is unioned with _unionBase._children but do not know which one
// so have to copy it forward irregardless of whether it is valid or not
toNode->_unionBase = fromNode->_unionBase;
}
}
// nameSymRef & callNodeData, if set on formNode, is already set for toNode (its looked up via globalIndex which is unchanged)
// TODO: check whether properties are valid for the replacement node and remove if invalid
if (toNode->getOpCode().isBranch() || toNode->getOpCode().isSwitch())
toNode->_byteCodeInfo.setDoNotProfile(1);
// _flags
toNode->setFlags(fromNode->getFlags()); // do not clear hasNodeExtension
#endif
toNode->copyChildren(fromNode);
// DONE:
// OMR::Base
// _opCode
// _numChildren - init list
// _globalIndex
// OMR::Node
// _byteCodeInfo
// _unionPropertyB - init list
// _globalRegisterInfo - non-J9
// _optAttributes - init list
// TODO:
// OMR::Base
// // this union still needs to be completed on consts, and _unionBase._unionBase._unionedWithChildren
// _unionBase:
// _children[NUM_DEFAULT_CHILDREN] - cstr body
// _constValue - init list, need to fix users of recreate to NOT set const, THEN do recreate
// _fpConstValue
// _dpConstValue
// _fpConstValueBits
// _extension - done
// _data
// _flags // for future use
// _numElems
// _unionedWithChildren
// union:
// _constData
// _globalRegisterInfo
// _offset
// _relocationInfo
// _caseInfo
// _monitorInfo
//
// CallNodeData
//
// OMR::Node
// _unionPropertyA - needs to be completed for DAA
// _flags
}
TR::Node *
OMR::Node::recreate(TR::Node *originalNode, TR::ILOpCodes op)
{
return TR::Node::recreateAndCopyValidPropertiesImpl(originalNode, op, NULL);
}
TR::Node *
OMR::Node::recreateWithSymRef(TR::Node *originalNode, TR::ILOpCodes op, TR::SymbolReference *newSymRef)
{
return TR::Node::recreateAndCopyValidPropertiesImpl(originalNode, op, newSymRef);
}
/**
* OMR::Node::recreate
*
* creates a new node with a new op, based on the originalNode, reusing the memory occupied by originalNode and returning the
* same address as it.
*
* It will have the same globalIndex, poolIndex, byteCodeInfo, and optAttributes as the originalNode, but properties from
* the originalNode that are valid for the new node only will be copied. All other properties will be reset to their default values.
*/
TR::Node *
OMR::Node::recreateAndCopyValidPropertiesImpl(TR::Node *originalNode, TR::ILOpCodes op, TR::SymbolReference *newSymRef)
{
TR_ASSERT_FATAL(TR::Node::isNotDeprecatedUnsigned(op), "Trying to use a deprecated unsigned opcode: #%d \n", op);
TR_ASSERT(originalNode != NULL, "trying to recreate node from a NULL originalNode.");
if (originalNode->getOpCodeValue() == op)
{
if (!originalNode->hasSymbolReference() || newSymRef != originalNode->getSymbolReference())
originalNode->_byteCodeInfo.setDoNotProfile(1);
// need to at least set the new symbol reference on the node before returning
if (newSymRef)
originalNode->setSymbolReference(newSymRef);
return originalNode;
}
TR::Compilation * comp = TR::comp();
// // one may consider copy forwarding as a transformation of the old way of doing things to the new way
// // "untransforming" means reverting to setOpCodeValue only. However reverting may in future be a
// // bad thing to do, so disabling this.
// if (!performTransformation(comp, "O^O RECREATE: recreating node %s %p; original opcode %s\n",
// TR::ILOpCode(op).getName(), originalNode, originalNode->getOpCode().getName()))
// {
// originalNode->setOpCodeValue(op);
// return originalNode;
// }
// need to copy the original node so the properties are available later to set on the recreated node
uint16_t numChildren = originalNode->getNumChildren();
TR::Node *originalNodeCopy = TR::Node::copy(originalNode, numChildren);
#if !defined(DISABLE_RECREATE_WITH_TRUE_CLEARING_OF_PROPERTIES)
// we can't delete the node, otherwise we will potentially lose the poolIndex (and other properties), but we do need to deallocate
// any objects it has created. This is one of them. It will be recreated if necessary on createInternal.
// other properties such as nameSymRef & callNodeData, are associated with the _globalIndex
// and are not freed and realloced.
originalNode->freeExtensionIfExists();
// this clears most properties, so copyValidProperties must be complete
TR::Node *node = TR::Node::createInternal(0, op, originalNode->getNumChildren(), originalNode);
#else
// this does not clear properties, but some properties may be invalid for the replacement node,
// but it does not matter if copyValidProperties is complete, though it must be accurate
TR::Node *node = originalNode;
node->setOpCodeValue(op);
#endif
if (newSymRef)
{
if (originalNodeCopy->hasSymbolReference() || originalNodeCopy->hasRegLoadStoreSymbolReference())
originalNodeCopy->setSymbolReference(newSymRef);
else if (node->hasSymbolReference() || node->hasRegLoadStoreSymbolReference())
node->setSymbolReference(newSymRef);
}
// TODO: copyValidProperties is incomplete
TR::Node::copyValidProperties(originalNodeCopy, node);
originalNode->_byteCodeInfo.setDoNotProfile(1);
// add originalNodeCopy back to the node pool
comp->getNodePool().deallocate(originalNodeCopy);
return node;
}
TR::Node *
OMR::Node::createInternal(TR::Node *originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *originalNode)
{
TR_ASSERT_FATAL(TR::Node::isNotDeprecatedUnsigned(op), "Trying to use a deprecated unsigned opcode: #%d \n", op);
if (!originalNode)
return new (TR::comp()->getNodePool()) TR::Node(originatingByteCodeNode, op, numChildren);
else
{
// Recreate node from originalNode, ignore originatingByteCodeNode
ncount_t globalIndex = originalNode->getGlobalIndex();
vcount_t visitCount = originalNode->getVisitCount();
scount_t localIndex = originalNode->getLocalIndex();
rcount_t referenceCount = originalNode->getReferenceCount();
UnionA unionA = originalNode->_unionA;
const TR_ByteCodeInfo byteCodeInfo = originalNode->getByteCodeInfo(); // copy bytecode info into temporary variable
//TR::Node * node = new (TR::comp()->getNodePool(), poolIndex) TR::Node(0, op, numChildren);
TR::Node *node = new ((void*)originalNode) TR::Node(0, op, numChildren);
node->setGlobalIndex(globalIndex);
node->setByteCodeInfo(byteCodeInfo);
node->setVisitCount(visitCount);
node->setLocalIndex(localIndex);
node->setReferenceCount(referenceCount);
node->_unionA = unionA;
return node;
}
}
TR::Node *
OMR::Node::create(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
TR::Node * node = TR::Node::createInternal(originatingByteCodeNode, op, numChildren);
return node;
}
TR::Node *
OMR::Node::create(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, TR::TreeTop * dest)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
TR::Node *node = TR::Node::createInternal(originatingByteCodeNode, op, numChildren);
if (dest)
node->setBranchDestination(dest);
return node;
}
TR::Node *
OMR::Node::create(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, int32_t intValue, TR::TreeTop * dest)
{
TR_ASSERT(op != TR::bconst && op != TR::sconst, "Invalid constructor for 8/16-bit constants");
TR::Node * node = TR::Node::create(originatingByteCodeNode, op, numChildren, dest);
if (op == TR::lconst)
{
node->setConstValue(intValue);
}
else
node->setConstValue((int32_t)intValue);
return node;
}
TR::Node *
OMR::Node::create(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node* first)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
TR::Node * node = TR::Node::createInternal(originatingByteCodeNode, op, numChildren);
node->setAndIncChild(0, first);
return node;
}
TR::Node *
OMR::Node::create(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node* first, TR::Node *second)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
TR::Node * node = TR::Node::createInternal(originatingByteCodeNode, op, numChildren);
node->setAndIncChild(0, first);
node->setAndIncChild(1, second);
return node;
}
TR::Node *
OMR::Node::createWithSymRef(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, TR::SymbolReference * symRef)
{
TR::Node * node = TR::Node::create(originatingByteCodeNode, op, numChildren);
node->setSymbolReference(symRef);
return node;
}
TR::Node *
OMR::Node::createWithSymRef(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node* first, TR::SymbolReference * symRef)
{
TR::Node * node = TR::Node::create(originatingByteCodeNode, op, numChildren, first);
node->setSymbolReference(symRef);
return node;
}
TR::Node *
OMR::Node::createOnStack(TR::Node * originatingByteCodeNode, TR::ILOpCodes op, uint16_t numChildren)
{
return TR::Node::createInternal(originatingByteCodeNode, op, numChildren);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::SymbolReference * symRef)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
TR::Node *node = TR::Node::createInternal(0, op, numChildren, originalNode);
if (symRef != NULL || node->hasSymbolReference() || node->hasRegLoadStoreSymbolReference())
{
// don't attempt to set this if the symRef is NULL and the node isn't a symRef type; otherwise attempt to do so
node->setSymbolReference(symRef);
}
return node;
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren)
{
return TR::Node::create(0, op, numChildren);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::TreeTop * dest)
{
return TR::Node::create(0, op, numChildren, dest);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, int32_t intValue, TR::TreeTop * dest)
{
return TR::Node::create(0, op, numChildren, intValue, dest);
}
TR::Node *
OMR::Node::createWithSymRef(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, uintptr_t extraChildren, TR::SymbolReference *symRef)
{
uint16_t numChildrenRoom = numChildren + (uint16_t) extraChildren; // explictly cast to avoid warning
TR::Node *node = TR::Node::createWithSymRef(op, numChildrenRoom, 1, first, symRef);
node->_numChildren = numChildren;
return node;
}
TR::Node *
OMR::Node::createWithSymRef(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, uintptr_t extraChildren, TR::SymbolReference *symRef)
{
TR::Node *node = TR::Node::createWithSymRef(op, numChildren, first, extraChildren, symRef); // explictly cast to avoid warning
node->setChild(1, second);
second->incReferenceCount();
return node;
}
TR::Node *
OMR::Node::createWithSymRef(TR::ILOpCodes op, uint16_t numChildren, TR::SymbolReference * symRef)
{
return TR::Node::createWithSymRef(0, op, numChildren, symRef);
}
TR::Node *
OMR::Node::createWithSymRef(TR::ILOpCodes op, uint16_t numChildren, TR::SymbolReference * symRef, uintptr_t extraChildrenForFixup)
{
uint16_t numChildrenRoom = numChildren + (uint16_t) extraChildrenForFixup; // explictly cast to avoid warning
TR::Node * r = TR::Node::createWithSymRef(0, op, numChildrenRoom, symRef);
r->_numChildren = numChildren;
return r;
}
/**
* These are defined for compilers that do not support variadic templates
* Otherwise the definitions are in il/OMRNode_inlines.hpp
*/
#if defined(_MSC_VER) || defined(LINUXPPC)
TR::Node *
OMR::Node::recreateWithoutSymRef_va_args(TR::Node *originalNode, TR::ILOpCodes op,
uint16_t numChildren, uint16_t numChildArgs,
va_list &args)
{
TR_ASSERT(numChildArgs > 0, "must be called with at least one child, but numChildArgs = %d", numChildArgs);
TR::Node *first = va_arg(args, TR::Node *);
TR_ASSERT(first != NULL, "child %d must be non NULL", 0);
TR::Node *node = TR::Node::createInternal(first, op, numChildren, originalNode);
node->setAndIncChild(0, first);
for (uint16_t i = 1; i < numChildArgs; i++)
{
TR::Node *child = va_arg(args, TR::Node *);
TR_ASSERT(child != NULL, "child %d must be non NULL", i);
node->setAndIncChild(i, child);
}
return node;
}
TR::Node *
OMR::Node::createWithoutSymRef(TR::ILOpCodes op, uint16_t numChildren,
uint16_t numChildArgs, ...)
{
va_list args;
va_start(args, numChildArgs);
TR::Node *node = TR::Node::recreateWithoutSymRef_va_args(0, op, numChildren, numChildArgs, args);
va_end(args);
return node;
}
TR::Node *
OMR::Node::recreateWithoutSymRef(TR::Node *originalNode, TR::ILOpCodes op,
uint16_t numChildren, uint16_t numChildArgs,
...)
{
va_list args;
va_start(args, numChildArgs);
TR::Node *node = TR::Node::recreateWithoutSymRef_va_args(originalNode, op, numChildren, numChildArgs, args);
va_end(args);
return node;
}
TR::Node *
OMR::Node::recreateWithSymRefWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op,
uint16_t numChildren, uint16_t numChildArgs,
...)
{
va_list args;
va_start(args, numChildArgs);
TR::Node *node = TR::Node::recreateWithoutSymRef_va_args(originalNode, op, numChildren, numChildArgs, args);
TR::SymbolReference *symRef = va_arg(args, TR::SymbolReference *);
node->setSymbolReference(symRef);
va_end(args);
return node;
}
// only this variadic method is part of the external interface
TR::Node *
OMR::Node::createWithSymRef(TR::ILOpCodes op, uint16_t numChildren,
uint16_t numChildArgs, ...)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
va_list args;
va_start(args, numChildArgs);
TR::Node *node = TR::Node::recreateWithoutSymRef_va_args(0, op, numChildren, numChildArgs, args);
TR::SymbolReference *symRef = va_arg(args, TR::SymbolReference *);
node->setSymbolReference(symRef);
va_end(args);
return node;
}
#else
uint16_t
OMR::Node::addChildrenAndSymRef(uint16_t lastIndex, TR::SymbolReference *symRef)
{
self()->setSymbolReference(symRef);
uint16_t numChildArgs = lastIndex;
return numChildArgs;
}
uint16_t
OMR::Node::addChildrenAndSymRef(uint16_t childIndex, TR::Node *child)
{
TR_ASSERT(child != NULL, "child[%d] must be non NULL", childIndex);
self()->setAndIncChild(childIndex, child);
uint16_t numChildArgs = childIndex + 1;
return numChildArgs;
}
#endif
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 1, first);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 2, first, second);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 3, first, second, third);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 4, first, second, third, fourth);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 5, first, second, third, fourth, fifth);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth, TR::Node *sixth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 6, first, second, third, fourth, fifth, sixth);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth, TR::Node *sixth, TR::Node *seventh)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 7, first, second, third, fourth, fifth, sixth, seventh);
}
TR::Node *
OMR::Node::create(TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth, TR::Node *sixth, TR::Node *seventh, TR::Node *eighth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::createWithoutSymRef(op, numChildren, 8, first, second, third, fourth, fifth, sixth, seventh, eighth);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 1, first);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 2, first, second);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 3, first, second, third);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 4, first, second, third, fourth);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 5, first, second, third, fourth, fifth);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth, TR::Node *sixth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 6, first, second, third, fourth, fifth, sixth);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth, TR::Node *sixth, TR::Node *seventh)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 7, first, second, third, fourth, fifth, sixth, seventh);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::Node *third, TR::Node *fourth, TR::Node *fifth, TR::Node *sixth, TR::Node *seventh, TR::Node *eighth)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithoutSymRef(originalNode, op, numChildren, 8, first, second, third, fourth, fifth, sixth, seventh, eighth);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::SymbolReference * symRef)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithSymRefWithoutProperties(originalNode, op, numChildren, 1, first, symRef);
}
TR::Node *
OMR::Node::recreateWithoutProperties(TR::Node *originalNode, TR::ILOpCodes op, uint16_t numChildren, TR::Node *first, TR::Node *second, TR::SymbolReference * symRef)
{
TR_ASSERT(TR::Node::isLegalCallToCreate(op), "assertion failure");
return TR::Node::recreateWithSymRefWithoutProperties(originalNode, op, numChildren, 2, first, second, symRef);
}