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Tree.cpp
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Tree.cpp
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/*******************************************************************************
* Copyright (c) 2000, 2021 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 <math.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "codegen/CodeGenerator.hpp"
#include "env/FrontEnd.hpp"
#include "env/KnownObjectTable.hpp"
#include "codegen/RegisterConstants.hpp"
#include "compile/Compilation.hpp"
#include "compile/Method.hpp"
#include "compile/ResolvedMethod.hpp"
#include "compile/SymbolReferenceTable.hpp"
#include "control/Options.hpp"
#include "control/Options_inlines.hpp"
#include "env/CompilerEnv.hpp"
#include "env/IO.hpp"
#include "env/TRMemory.hpp"
#include "env/jittypes.h"
#include "il/Block.hpp"
#include "il/DataTypes.hpp"
#include "il/ILOpCodes.hpp"
#include "il/ILOps.hpp"
#include "il/MethodSymbol.hpp"
#include "il/Node.hpp"
#include "il/Node_inlines.hpp"
#include "il/RegisterMappedSymbol.hpp"
#include "il/ResolvedMethodSymbol.hpp"
#include "il/Symbol.hpp"
#include "il/SymbolReference.hpp"
#include "il/TreeTop.hpp"
#include "il/TreeTop_inlines.hpp"
#include "infra/Assert.hpp"
#include "infra/BitVector.hpp"
#include "infra/Cfg.hpp"
#include "infra/Flags.hpp"
#include "infra/List.hpp"
#include "infra/SimpleRegex.hpp"
#include "infra/CfgEdge.hpp"
#include "infra/CfgNode.hpp"
#include "optimizer/Optimizations.hpp"
#include "optimizer/Optimizer.hpp"
#include "optimizer/Structure.hpp"
#include "optimizer/StructuralAnalysis.hpp"
#include "optimizer/ValueNumberInfo.hpp"
#include "optimizer/VPConstraint.hpp"
#include "ras/Debug.hpp"
#define DEFAULT_TREETOP_INDENT 2
#define DEFAULT_INDENT_INCREMENT 2
#define VSNPRINTF_BUFFER_SIZE 512
extern int32_t addressWidth;
void
TR_Debug::printTopLegend(TR::FILE *pOutFile)
{
//-index--|--------------------------------------node---------------------------------------|--address---|-----bci-----|-rc-|-vc-|-vn-|--li--|-udi-|-nc-|--sa--
if (pOutFile == NULL) return;
trfprintf(pOutFile, "\n------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n");
trfflush(pOutFile);
}
void
TR_Debug::printBottomLegend(TR::FILE *pOutFile)
{
if (pOutFile == NULL) return;
trfprintf(pOutFile, "\n"
"index: node global index\n"
);
char const *lineOrStatement = "line-number";
char const *bciOrLoc = "bci";
char const *bciOrLocVerbose = "bytecode-index";
trfprintf(pOutFile, "%s=[x,y,z]: byte-code-info [callee-index, %s, %s]\n",
bciOrLoc, bciOrLocVerbose, lineOrStatement);
trfprintf(pOutFile, "rc: reference count\n"
"vc: visit count\n"
"vn: value number\n"
"li: local index\n"
"udi: use/def index\n"
"nc: number of children\n"
"addr: address size in bytes\n"
"flg: node flags\n"
);
trfflush(pOutFile);
}
// Prints the symbol reference table showing only symbols that were added during the last optimization and also sets TR::Compilationl::_prevSymRefTabSize
// to the current size of symbol reference table as it is the end of this optimization.
//
void
TR_Debug::printSymRefTable(TR::FILE *pOutFile, bool printFullTable)
{
if (pOutFile == NULL) return;
TR_PrettyPrinterString output(this);
TR::SymbolReferenceTable *symRefTab = _comp->getSymRefTab();
TR::SymbolReference *symRefIterator;
int32_t currSymRefTabSize = symRefTab->baseArray.size();
if (printFullTable)
_comp->setPrevSymRefTabSize(0);
if (currSymRefTabSize > 0 && _comp->getPrevSymRefTabSize() < currSymRefTabSize) //entry(ies) have been added to symbol refetence table since last optimization was performed
{
if (printFullTable)
trfprintf(pOutFile, "\nSymbol References:\n------------------\n");
else
trfprintf(pOutFile, "\nSymbol References (incremental):\n--------------------------------\n");
for (int i = _comp->getPrevSymRefTabSize() ; i < currSymRefTabSize ; i++)
{
if ((symRefIterator = symRefTab->getSymRef(i)))
{
output.reset();
print(symRefIterator, output, false/*hideHelperMethodInfo*/, true /*verbose*/);
trfprintf(pOutFile, "%s\n", output.getStr());
}
} //end for
trfflush(pOutFile);
} //end if
_comp->setPrevSymRefTabSize( _comp->getSymRefTab()->baseArray.size() );
}
void
TR_Debug::printOptimizationHeader(const char * funcName, const char * optName, int32_t optIndex, bool mustBeDone)
{
if (_file == NULL)
return;
trfprintf(_file, "<optimization id=%d name=%s method=%s>\n", optIndex, optName ? optName : "???", funcName);
trfprintf(_file, "Performing %d: %s%s\n", optIndex, optName ? optName : "???", mustBeDone? " mustBeDone" : "");
}
static bool valueIsProbablyHex(TR::Node *node)
{
switch (node->getDataType())
{
case TR::Int16:
if (node->getShortInt() > 16384 || node->getShortInt() < -16384)
return true;
return false;
case TR::Int32:
if (node->getInt() > 16384 || node->getInt() < -16384)
return true;
return false;
case TR::Int64:
if (node->getLongInt() > 16384 || node->getLongInt() < -16384) return true;
return false;
default:
return false;
}
return false;
}
void
TR_Debug::printLoadConst(TR::FILE *pOutFile, TR::Node *node)
{
TR_PrettyPrinterString output(this);
printLoadConst(node, output);
trfprintf(pOutFile, "%s", output.getStr());
_comp->incrNodeOpCodeLength(output.getLength());
}
void
TR_Debug::printLoadConst(TR::Node *node, TR_PrettyPrinterString& output)
{
bool isUnsigned = node->getOpCode().isUnsigned();
switch (node->getDataType())
{
case TR::Int8:
if(isUnsigned)
output.append(" %3u", node->getUnsignedByte());
else
output.append(" %3d", node->getByte());
break;
case TR::Int16:
if (valueIsProbablyHex(node))
output.append(" 0x%4x", node->getConst<uint16_t>());
else
output.append(" '%5d' ", node->getConst<uint16_t>());
break;
case TR::Int32:
if(isUnsigned)
{
if (valueIsProbablyHex(node))
output.append(" 0x%x", node->getUnsignedInt());
else
output.append(" %u", node->getUnsignedInt());
}
else
{
if (valueIsProbablyHex(node))
output.append(" 0x%x", node->getInt());
else
output.append(" %d", node->getInt());
}
break;
case TR::Int64:
if(isUnsigned)
{
if (valueIsProbablyHex(node))
output.append(" " UINT64_PRINTF_FORMAT_HEX, node->getUnsignedLongInt());
else
output.append(" " UINT64_PRINTF_FORMAT , node->getUnsignedLongInt());
}
else
{
if (valueIsProbablyHex(node))
output.append(" " INT64_PRINTF_FORMAT_HEX, node->getLongInt());
else
output.append(" " INT64_PRINTF_FORMAT , node->getLongInt());
}
break;
case TR::Float:
{
output.append(" %g [0x%08x]", node->getFloat(), node->getFloatBits());
}
break;
case TR::Double:
{
output.append(" %g [" UINT64_PRINTF_FORMAT_HEX "]", node->getDouble(), node->getDoubleBits());
}
break;
case TR::Address:
if (node->getAddress() == 0)
output.append(" NULL");
else if (_comp->getOption(TR_MaskAddresses))
output.append(" *Masked*");
else
output.append(" " UINT64_PRINTF_FORMAT_HEX, node->getAddress());
if (node->isClassPointerConstant())
{
TR_OpaqueClassBlock *clazz = (TR_OpaqueClassBlock*)node->getAddress();
int32_t len; char *sig = TR::Compiler->cls.classNameChars(_comp, clazz, len);
if (clazz)
{
if (TR::Compiler->cls.isInterfaceClass(_comp, clazz))
output.append(" Interface");
else if (TR::Compiler->cls.isAbstractClass(_comp, clazz))
output.append(" Abstract");
}
output.append(" (%.*s.class)", len, sig);
}
break;
default:
output.append(" Bad Type %s", node->getDataType().toString());
break;
}
}
void
TR_Debug::print(TR::FILE *pOutFile, TR::CFG * cfg)
{
if (pOutFile == NULL)
return;
int32_t numNodes = 0;
int32_t index;
TR::CFGNode *node;
// If the depth-first numbering for the blocks has already been done, use this
// numbering to order the blocks. Otherwise use a reasonable ordering.
//
for (node = cfg->getFirstNode(); node; node = node->getNext())
{
index = node->getNumber();
if (index < 0)
numNodes++;
else if (index >= numNodes)
numNodes = index+1;
}
void *stackMark = 0;
TR::CFGNode **array;
// From here, down, stack allocations will expire when the function returns
TR::StackMemoryRegion stackMemoryRegion(*cfg->comp()->trMemory());
array = (TR::CFGNode**)cfg->comp()->trMemory()->allocateStackMemory(numNodes*sizeof(TR::CFGNode*));
memset(array, 0, numNodes*sizeof(TR::CFGNode*));
index = numNodes;
for (node = cfg->getFirstNode(); node; node = node->getNext())
{
int32_t nodeNum = node->getNumber();
array[nodeNum>=0?nodeNum:--index] = node;
}
trfprintf(pOutFile, "\n<cfg>\n");
for (index = 0; index < numNodes; index++)
if (array[index] != NULL)
print(pOutFile, array[index], 6);
if (cfg->getStructure())
{
trfprintf(pOutFile, "<structure>\n");
print(pOutFile, cfg->getStructure(), 6);
trfprintf(pOutFile, "</structure>");
}
trfprintf(pOutFile, "\n</cfg>\n");
}
void
TR_Debug::print(TR::FILE *outFile, TR_RegionAnalysis * regionAnalysis, uint32_t indentation)
{
if (outFile == NULL)
return;
for (int32_t index = 0; index < regionAnalysis->_totalNumberOfNodes; index++)
{
TR_RegionAnalysis::StructInfo &node = regionAnalysis->getInfo(index);
if (node._structure == NULL)
continue;
printBaseInfo(outFile, node._structure, indentation);
// Dump successors
trfprintf(outFile,
"%*sout = [",
indentation+11,
" ");
int num = 0;
TR_RegionAnalysis::StructureBitVector::Cursor cursor(node._succ);
for (cursor.SetToFirstOne(); cursor.Valid(); cursor.SetToNextOne())
{
TR_RegionAnalysis::StructInfo &succ = regionAnalysis->getInfo(cursor);
trfprintf(outFile,"%d ", succ.getNumber());
if (num > 20)
{
trfprintf(outFile,"\n");
num = 0;
}
num ++;
}
trfprintf(outFile,"]\n");
// Dump exception successors
trfprintf(outFile,
"%*sexceptions= [",
indentation+11,
" ");
num = 0;
TR_RegionAnalysis::StructureBitVector::Cursor eCursor(node._exceptionSucc);
for (eCursor.SetToFirstOne(); eCursor.Valid(); eCursor.SetToNextOne())
{
TR_RegionAnalysis::StructInfo &succ = regionAnalysis->getInfo(eCursor);
trfprintf(outFile,"%d ", succ.getNumber());
if (num > 20)
{
trfprintf(outFile,"\n");
num = 0;
}
num ++;
}
trfprintf(outFile,"]\n");
}
}
void
TR_Debug::print(TR::FILE *pOutFile, TR_Structure * structure, uint32_t indentation)
{
if (structure->asBlock())
print(pOutFile, structure->asBlock(), indentation);
else
print(pOutFile, structure->asRegion(), indentation);
}
void
TR_Debug::print(TR::FILE *pOutFile, TR_RegionStructure * regionStructure, uint32_t indentation)
{
if (pOutFile == NULL)
return;
TR_RegionStructure *versionedLoop = NULL;
if (debug("fullStructure"))
printBaseInfo(pOutFile, regionStructure, indentation);
else
{
// Do indentation and dump the address of this block
const char *type;
if (regionStructure->containsInternalCycles())
type = "Improper region";
else if (regionStructure->isNaturalLoop())
{
versionedLoop = regionStructure->getVersionedLoop();
if (versionedLoop)
{
TR::Block *entryBlock = regionStructure->getEntryBlock();
if (entryBlock->isCold())
type = "Natural loop is the slow version of the fast versioned Natural loop ";
//else if (entryBlock->isRare())
// type = "Natural loop is the slow version of the fast specialized Natural loop ";
else
type = "Natural loop is the fast version of the slow Natural loop ";
}
else
type = "Natural loop";
}
else
type = "Acyclic region";
if (versionedLoop)
trfprintf(pOutFile,
"%*s%d [%s] %s %d\n",
indentation, " ",
regionStructure->getNumber(),
getName(regionStructure),
type, versionedLoop->getNumber());
else
trfprintf(pOutFile,
"%*s%d [%s] %s\n",
indentation, " ",
regionStructure->getNumber(),
getName(regionStructure),
type);
}
// Dump induction variables
//
for (TR_InductionVariable *v = regionStructure->getFirstInductionVariable(); v; v = v->getNext())
{
print(pOutFile, v, indentation+3);
}
// Dump members
printSubGraph(pOutFile, regionStructure, indentation+3);
}
void
TR_Debug::printPreds(TR::FILE *pOutFile, TR::CFGNode *node)
{
trfprintf(pOutFile, "in={");
int num = 0;
for (auto edge = node->getPredecessors().begin(); edge != node->getPredecessors().end(); ++edge)
{
trfprintf(pOutFile, "%d ", (*edge)->getFrom()->getNumber());
if (num > 20)
{
trfprintf(pOutFile,"\n");
num = 0;
}
num++;
}
num = 0;
trfprintf(pOutFile, "} exc-in={");
for (auto edge = node->getExceptionPredecessors().begin(); edge != node->getExceptionPredecessors().end(); ++edge)
{
trfprintf(pOutFile, "%d ", (*edge)->getFrom()->getNumber());
if (num > 20)
{
trfprintf(pOutFile,"\n");
num = 0;
}
num++;
}
trfprintf(pOutFile, "}");
}
void
TR_Debug::printSubGraph(TR::FILE *pOutFile, TR_RegionStructure * regionStructure, uint32_t indentation)
{
if (pOutFile == NULL)
return;
int offset=3;
int num = 0;
TR_StructureSubGraphNode *node, *next;
trfprintf(pOutFile,
"%*sSubgraph: (* = exit edge)\n",
indentation, " ");
TR_RegionStructure::Cursor si(*regionStructure);
for (node = si.getCurrent(); node != NULL; node = si.getNext())
{
// Dump successors
if (node->getNumber() != node->getStructure()->getNumber())
{
// This is an error situation, but print it to aid in debugging
//
trfprintf(pOutFile,
"%*s%d(%d) -->",
indentation+offset*2,
" ",
node->getNumber(),
node->getStructure()->getNumber());
}
else
{
trfprintf(pOutFile,
"%*s(%s:%s)%d -->",
indentation+offset*2,
" ",
getName(node), getName(node->getStructure()), node->getNumber());
}
num = 0;
for (auto edge = node->getSuccessors().begin(); edge != node->getSuccessors().end(); ++edge)
{
next = toStructureSubGraphNode((*edge)->getTo());
trfprintf(pOutFile," %d(%s)", next->getNumber(), getName(next));
if (regionStructure->isExitEdge(*edge))
trfprintf(pOutFile,"*");
if (num > 10)
{
trfprintf(pOutFile,"\n");
num = 0;
}
num++;
}
trfprintf(pOutFile,"\n");
// Dump exception successors
if (!node->getExceptionSuccessors().empty())
{
trfprintf(pOutFile,
"%*s(%s:%s)%d >>>",
indentation+offset*2,
" ",
getName(node), getName(node->getStructure() ), node->getNumber());
num = 0;
for (auto edge = node->getExceptionSuccessors().begin(); edge != node->getExceptionSuccessors().end(); ++edge)
{
next = toStructureSubGraphNode((*edge)->getTo());
trfprintf(pOutFile," %d(%s)", next->getNumber(), getName(next));
if (regionStructure->isExitEdge(*edge))
trfprintf(pOutFile,"*");
if (num > 10)
{
trfprintf(pOutFile,"\n");
num = 0;
}
num++;
}
trfprintf(pOutFile,"\n");
}
if (node->getStructure()->getParent() != regionStructure)
trfprintf(pOutFile,"******* Structure %d does not refer back to its parent structure\n", node->getStructure()->getNumber());
}
ListElement<TR::CFGEdge> *firstExitEdge = regionStructure->getExitEdges().getListHead();
if (firstExitEdge)
trfprintf(pOutFile,
"%*s%s",
indentation+offset, " ",
"Exit edges:\n");
num = 0;
ListElement<TR::CFGEdge> *exitEdge;
for (exitEdge = firstExitEdge; exitEdge != NULL; exitEdge = exitEdge->getNextElement())
{
trfprintf(pOutFile,
"%*s(%s)%d -->%d\n",
indentation+offset*2,
" ",
getName(exitEdge->getData()->getFrom() ),
exitEdge->getData()->getFrom()->getNumber(),
exitEdge->getData()->getTo()->getNumber());
if (num > 10)
{
trfprintf(pOutFile,"\n");
num = 0;
}
num++;
}
static char *verbose = ::feGetEnv("TR_VerboseStructures");
if (verbose)
{
trfprintf(pOutFile, "%*sPred list:\n", indentation, " ");
si.reset();
for (node = si.getCurrent(); node != NULL; node = si.getNext())
{
trfprintf(pOutFile, "%*s%d:", indentation+offset*2, " ", node->getNumber());
printPreds(pOutFile, node);
trfprintf(pOutFile, "\n");
}
for (exitEdge = firstExitEdge; exitEdge != NULL; exitEdge = exitEdge->getNextElement())
{
trfprintf(pOutFile, "%*s*%d:", indentation+offset*2, " ", exitEdge->getData()->getTo()->getNumber());
printPreds(pOutFile, exitEdge->getData()->getTo());
trfprintf(pOutFile, "\n");
}
}
si.reset();
for (node = si.getCurrent(); node != NULL; node = si.getNext())
{
print(pOutFile, node->getStructure(), indentation);
}
}
void
TR_Debug::print(TR::FILE *pOutFile, TR_InductionVariable * inductionVariable, uint32_t indentation)
{
if (pOutFile == NULL)
return;
int offset=3;
trfprintf(pOutFile, "%*sInduction variable [%s]\n", indentation, " ", getName(inductionVariable->getLocal()));
trfprintf(pOutFile, "%*sEntry value: ", indentation+offset, " ");
print(pOutFile, inductionVariable->getEntry());
trfprintf(pOutFile, "\n%*sExit value: ", indentation+offset, " ");
print(pOutFile, inductionVariable->getExit());
trfprintf(pOutFile, "\n%*sIncrement: ", indentation+offset, " ");
print(pOutFile, inductionVariable->getIncr());
trfprintf(pOutFile, "\n");
}
static const char *structNames[] = { "Blank", "Block", "Region" };
void
TR_Debug::printBaseInfo(TR::FILE *pOutFile, TR_Structure * structure, uint32_t indentation)
{
if (pOutFile == NULL)
return;
// Do indentation and dump the address of this block
trfprintf(pOutFile,
"%*s%d [%s] %s",
indentation, " ",
structure->getNumber(),
getName(structure),
structNames[structure->getKind()]);
trfprintf(pOutFile, "\n");
}
void
TR_Debug::print(TR::FILE *pOutFile, TR_BlockStructure * blockStructure, uint32_t indentation)
{
if (pOutFile == NULL)
return;
printBaseInfo(pOutFile, blockStructure, indentation);
if (blockStructure->getBlock()->getStructureOf() != blockStructure)
trfprintf(pOutFile,"******* Block %d does not refer back to block structure\n", blockStructure->getBlock()->getNumber());
}
void
TR_Debug::print(TR::FILE *pOutFile, TR::CFGNode * cfgNode, uint32_t indentation)
{
if (cfgNode->asBlock())
print(pOutFile, toBlock(cfgNode), indentation);
else
print(pOutFile, toStructureSubGraphNode(cfgNode), indentation);
}
void
TR_Debug::print(TR::FILE *pOutFile, TR_StructureSubGraphNode * node, uint32_t indentation)
{
print(pOutFile, node->getStructure(), indentation);
}
void
TR_Debug::printNodesInEdgeListIterator(TR::FILE *pOutFile, TR::CFGEdgeList &li, bool fromNode)
{
TR::Block *b;
int num = 0;
for (auto edge = li.begin(); edge != li.end(); ++edge)
{
b = fromNode ? toBlock((*edge)->getFrom()) : toBlock((*edge)->getTo());
if ((*edge)->getFrequency() >= 0)
trfprintf(pOutFile,"%d(%d) ", b->getNumber(), (*edge)->getFrequency());
else
trfprintf(pOutFile,"%d ", b->getNumber());
if (num > 20)
{
trfprintf(pOutFile,"\n");
num = 0;
}
num ++;
}
}
void
TR_Debug::print(TR::FILE *pOutFile, TR::Block * block, uint32_t indentation)
{
if (pOutFile == NULL)
return;
// Do indentation and dump the address of this block
trfprintf(pOutFile, "%*s", indentation, " ");
if (block->getNumber() >= 0)
trfprintf(pOutFile, "%4d ", block->getNumber());
trfprintf(pOutFile, "[%s] ", getName(block));
// If there are no nodes associated with this block, it must be the entry or
// exit node.
if (!block->getEntry())
{
TR_ASSERT( !block->getExit(), "both entry and exit must be specified for TR_Block");
if (block->getPredecessors().empty())
trfprintf(pOutFile, "entry\n");
else
trfprintf(pOutFile, "exit\n");
}
else
{
// Dump information about regular block
trfprintf(pOutFile,
"BBStart at %s",
getName(block->getEntry()->getNode()));
if (block->getFrequency() >= 0)
trfprintf(pOutFile,
", frequency = %d",
block->getFrequency());
static const bool enableTracePartialInlining = feGetEnv("TR_EnableTracePartialInlining") != NULL;
if (enableTracePartialInlining)
{
trfprintf(pOutFile, ", partialFlags = ");
if (block->isUnsanitizeable())
trfprintf(pOutFile, "U, ");
if (block->containsCall())
trfprintf(pOutFile, "C, ");
if (block->isRestartBlock())
trfprintf(pOutFile, "R, ");
if (block->isPartialInlineBlock())
trfprintf(pOutFile, "P, ");
}
trfprintf(pOutFile, "\n");
}
bool fromNode;
// Dump predecessors
trfprintf(pOutFile,
"%*sin = [",
indentation+11,
" ");
printNodesInEdgeListIterator(pOutFile, block->getPredecessors(), fromNode=true);
trfprintf(pOutFile,"]\n");
// Dump successors
trfprintf(pOutFile,
"%*sout = [",
indentation+11,
" ");
printNodesInEdgeListIterator(pOutFile, block->getSuccessors(), fromNode=false);
trfprintf(pOutFile,"]\n");
// Dump exception predecessors
trfprintf(pOutFile,
"%*sexception in = [",
indentation+11,
" ");
printNodesInEdgeListIterator(pOutFile, block->getExceptionPredecessors(), fromNode=true);
trfprintf(pOutFile,"]\n");
// Dump exception successors
trfprintf(pOutFile,
"%*sexception out = [",
indentation+11,
" ");
printNodesInEdgeListIterator(pOutFile, block->getExceptionSuccessors(), fromNode=false);
trfprintf(pOutFile,"]\n");
}
static void printInlinePath(TR::FILE *pOutFile, TR_InlinedCallSite *site, TR_Debug *debug)
{
int32_t callerIndex = site->_byteCodeInfo.getCallerIndex();
if (callerIndex == -1)
{
trfprintf(pOutFile, "%02d",
site->_byteCodeInfo.getByteCodeIndex());
}
else
{
TR::Compilation *comp = debug->comp();
printInlinePath(pOutFile, &comp->getInlinedCallSite(callerIndex), debug);
trfprintf(pOutFile, ".%02d",
site->_byteCodeInfo.getByteCodeIndex());
}
}
void
TR_Debug::printIRTrees(TR::FILE *pOutFile, const char * title, TR::ResolvedMethodSymbol * methodSymbol)
{
if (pOutFile == NULL) return;
if (!methodSymbol)
methodSymbol = _comp->getMethodSymbol();
const char *hotnessString = _comp->getHotnessName(_comp->getMethodHotness());
const char * sig = signature(methodSymbol);
trfprintf(pOutFile, "<trees\n"
"\ttitle=\"%s\"\n"
"\tmethod=\"%s\"\n"
"\thotness=\"%s\">\n",
title, sig, hotnessString);
// we dump the name again?
trfprintf(pOutFile, "\n%s: for %s\n", title, sig);
if (_comp->getMethodSymbol() == methodSymbol && _comp->getNumInlinedCallSites() > 0)
{
trfprintf(pOutFile, "\nCall Stack Info\n", title, sig);
trfprintf(pOutFile, "CalleeIndex CallerIndex ByteCodeIndex CalleeMethod\n", title, sig);
for (auto i = 0U; i < _comp->getNumInlinedCallSites(); ++i)
{
TR_InlinedCallSite & ics = _comp->getInlinedCallSite(i);
TR_ResolvedMethod *meth = _comp->getInlinedResolvedMethod(i);
trfprintf(pOutFile, " %4d %4d %5d ",
i,
ics._byteCodeInfo.getCallerIndex(),
ics._byteCodeInfo.getByteCodeIndex());
TR::KnownObjectTable *knot = _comp->getKnownObjectTable();
TR::KnownObjectTable::Index targetMethodHandleIndex = TR::KnownObjectTable::UNKNOWN;
if (knot && meth && meth->convertToMethod()->isArchetypeSpecimen() && meth->getMethodHandleLocation())
targetMethodHandleIndex = knot->getExistingIndexAt(meth->getMethodHandleLocation());
if (targetMethodHandleIndex != TR::KnownObjectTable::UNKNOWN)
trfprintf(pOutFile, "obj%d.", targetMethodHandleIndex);
trfprintf(pOutFile, "%s\n", fe()->sampleSignature(ics._methodInfo, 0, 0, _comp->trMemory()));
if (debug("printInlinePath"))
{
trfprintf(pOutFile, " = ");
printInlinePath(pOutFile, &ics, this);
trfprintf(pOutFile, "\n");
}
}
}
_nodeChecklist.empty();
int32_t nodeCount = 0;
printTopLegend(pOutFile);
TR::TreeTop *tt = methodSymbol->getFirstTreeTop();
for (; tt; tt = tt->getNextTreeTop())
{
nodeCount += print(pOutFile, tt);
TR::Node *ttNode = tt->getNode();
if (_comp->getOption(TR_TraceLiveness)
&& methodSymbol->getAutoSymRefs()
&& ttNode->getOpCodeValue() == TR::BBStart
&& ttNode->getBlock()->getLiveLocals())
{
trfprintf(pOutFile, "%*s// Live locals:", addressWidth + 48, "");
TR_BitVector *liveLocals = ttNode->getBlock()->getLiveLocals();
// ouch, this loop is painstaking
for (int32_t i = _comp->getSymRefTab()->getIndexOfFirstSymRef(); i < _comp->getSymRefTab()->getNumSymRefs(); i++)
{
TR::SymbolReference *symRef = _comp->getSymRefTab()->getSymRef(i);
if (symRef
&& symRef->getSymbol()->isAutoOrParm()
&& liveLocals->isSet(symRef->getSymbol()->castToRegisterMappedSymbol()->getLiveLocalIndex()))
trfprintf(pOutFile, " #%d", symRef->getReferenceNumber());
}
trfprintf(pOutFile, "\n");
}
}
printBottomLegend(pOutFile);
printSymRefTable(pOutFile);
trfprintf(pOutFile, "\nNumber of nodes = %d, symRefCount = %d\n", nodeCount, _comp->getSymRefTab()->getNumSymRefs());
//trfprintf(pOutFile, "]]>\n");
trfprintf(pOutFile, "</trees>\n");
trfflush(pOutFile);
}
void
TR_Debug::printBlockOrders(TR::FILE *pOutFile, const char * title, TR::ResolvedMethodSymbol * methodSymbol)
{
TR::TreeTop *tt = methodSymbol->getFirstTreeTop();
trfprintf(pOutFile, "%s block ordering:\n", title);
unsigned numberOfColdBlocks = 0;
while (tt != NULL)
{
TR::Node *node = tt->getNode();
if (node && node->getOpCodeValue() == TR::BBStart)
{
TR::Block *block = node->getBlock();
trfprintf(pOutFile, "block_%-4d\t[ " POINTER_PRINTF_FORMAT "]\tfrequency %4d", block->getNumber(), block, block->getFrequency());
if (block->isSuperCold())
{
numberOfColdBlocks++;
trfprintf(pOutFile, "\t(super cold)\n");
}
else if (block->isCold())
trfprintf(pOutFile, "\t(cold)\n");
else
trfprintf(pOutFile, "\n");
TR::CFGEdgeList & successors = block->getSuccessors();
for (auto succEdge = successors.begin(); succEdge != successors.end(); ++succEdge)
trfprintf(pOutFile, "\t -> block_%-4d\tfrequency %4d\n", (*succEdge)->getTo()->getNumber(), (*succEdge)->getFrequency());
}
tt = tt->getNextTreeTop();
}
}
TR_PrettyPrinterString::TR_PrettyPrinterString(TR_Debug *debug) {
len = 0;
buffer[0] = '\0';
_comp = debug->comp();
_debug = debug;
}
char *
TR_Debug::formattedString(char *buf, uint32_t bufLen, const char *format, va_list args, TR_AllocationKind allocationKind)
{
va_list args_copy;
va_copy(args_copy, args);
#if defined(J9ZOS390)
// vsnprintf returns -1 on zos when buffer is too small
char s[VSNPRINTF_BUFFER_SIZE];
int resultLen = vsnprintf(s, VSNPRINTF_BUFFER_SIZE, format, args_copy);
if (resultLen < 0 && _file != NULL)
trfprintf(_file, "Failed to get length of string with format %s\n", format);
#else
int resultLen = vsnprintf(NULL, 0, format, args_copy);
#endif
va_copy_end(args_copy);
if (unsigned(resultLen + 1) > bufLen)
{
bufLen = resultLen + 1;
buf = (char*)comp()->trMemory()->allocateMemory(bufLen, allocationKind);
}
vsnprintf(buf, bufLen, format, args);
return buf;
}
void TR_PrettyPrinterString::append(const char* format, ...)
{
va_list args;
va_start (args, format);
len+=vsnprintf(buffer+len,2000-len,format,args);
va_end(args);
}
int32_t