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verilator/src/Verilator.cpp

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//*************************************************************************
// DESCRIPTION: Verilator: main()
//
// Code available from: http://www.veripool.org/verilator
//
// AUTHORS: Wilson Snyder with Paul Wasson, Duane Gabli
//
//*************************************************************************
//
// Copyright 2003-2010 by Wilson Snyder. This program is free software; you can
// redistribute it and/or modify it under the terms of either the GNU
// Lesser General Public License Version 3 or the Perl Artistic License
// Version 2.0.
//
// Verilator is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
//*************************************************************************
#include "V3Global.h"
#include "V3Ast.h"
#include <time.h>
#include <sys/stat.h>
#include "V3Active.h"
#include "V3ActiveTop.h"
#include "V3Assert.h"
#include "V3AssertPre.h"
#include "V3Begin.h"
#include "V3Branch.h"
#include "V3Case.h"
#include "V3Cast.h"
#include "V3Changed.h"
#include "V3Clean.h"
#include "V3ClkGater.h"
#include "V3Clock.h"
#include "V3Combine.h"
#include "V3Const.h"
#include "V3Coverage.h"
#include "V3CoverageJoin.h"
#include "V3Dead.h"
#include "V3Delayed.h"
#include "V3Depth.h"
#include "V3DepthBlock.h"
#include "V3Descope.h"
#include "V3EmitC.h"
#include "V3EmitMk.h"
#include "V3EmitV.h"
#include "V3Expand.h"
#include "V3File.h"
#include "V3Cdc.h"
#include "V3Gate.h"
#include "V3Graph.h"
#include "V3GenClk.h"
#include "V3Inline.h"
#include "V3Inst.h"
#include "V3Life.h"
#include "V3LifePost.h"
#include "V3Link.h"
#include "V3LinkCells.h"
#include "V3LinkDot.h"
#include "V3LinkLevel.h"
#include "V3LinkParse.h"
#include "V3LinkLValue.h"
#include "V3LinkResolve.h"
#include "V3Localize.h"
#include "V3Name.h"
#include "V3Order.h"
#include "V3Param.h"
#include "V3Parse.h"
#include "V3PreShell.h"
#include "V3Premit.h"
#include "V3Scope.h"
#include "V3Signed.h"
#include "V3Slice.h"
#include "V3Split.h"
#include "V3SplitAs.h"
#include "V3Stats.h"
#include "V3Subst.h"
#include "V3Table.h"
#include "V3Task.h"
#include "V3Trace.h"
#include "V3TraceDecl.h"
#include "V3Tristate.h"
#include "V3Unknown.h"
#include "V3Unroll.h"
#include "V3Width.h"
V3Global v3Global;
//######################################################################
// V3 Class -- top level
void V3Global::readFiles() {
// NODE STATE
// AstNode::user4p() // V3SymTable* Package and typedef symbol names
AstUser4InUse inuser4;
V3Parse parser (v3Global.rootp());
// Read top module
for (V3StringList::const_iterator it = v3Global.opt.vFiles().begin();
it != v3Global.opt.vFiles().end(); ++it) {
string filename = *it;
parser.parseFile(new FileLine("CommandLine",0), filename, false);
}
// Read libraries
// To be compatible with other simulators,
// this needs to be done after the top file is read
for (V3StringSet::const_iterator it = v3Global.opt.libraryFiles().begin();
it != v3Global.opt.libraryFiles().end(); ++it) {
string filename = *it;
parser.parseFile(new FileLine("CommandLine",0), filename, true);
}
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("parse.tree"));
V3Error::abortIfErrors();
if (!v3Global.opt.preprocOnly()) {
// Resolve all modules cells refer to
V3LinkCells::link(v3Global.rootp());
}
}
//######################################################################
void process () {
// Sort modules by level so later algorithms don't need to care
V3LinkLevel::modSortByLevel();
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("cells.tree"));
V3Error::abortIfErrors();
// Convert parseref's to varrefs, and other directly post parsing fixups
V3LinkParse::linkParse(v3Global.rootp());
// Cross-link signal names
V3Link::link(v3Global.rootp());
// Cross-link dotted hierarchical references
V3LinkDot::linkDotPrearrayed(v3Global.rootp());
// Correct state we couldn't know at parse time, repair SEL's
V3LinkResolve::linkResolve(v3Global.rootp());
// Set Lvalue's in variable refs
V3LinkLValue::linkLValue(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("link.tree"));
V3Error::abortIfErrors();
if (v3Global.opt.stats()) V3Stats::statsStageAll(v3Global.rootp(), "Link");
// Remove parameters by cloning modules to de-parameterized versions
// This requires some width calculations and constant propagation
V3Param::param(v3Global.rootp());
V3LinkDot::linkDotPrearrayed(v3Global.rootp()); // Cleanup as made new modules
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("param.tree"));
V3Error::abortIfErrors();
// Remove any modules that were parameterized and are no longer referenced.
V3Dead::deadifyAll(v3Global.rootp(), false);
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("dead.tree"));
v3Global.checkTree();
// Calculate and check widths, edit tree to TRUNC/EXTRACT any width mismatches
V3Width::width(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("width.tree"));
// Compute signed/unsigned
V3Signed::signedAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("signed.tree"));
V3Error::abortIfErrors();
// Commit to the widths we've chosen; Make widthMin==width
V3Width::widthCommit(v3Global.rootp());
v3Global.assertWidthsSame(true);
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("widthcommit.tree"));
// Coverage insertion
// Before we do dead code elimination and inlining, or we'll loose it.
if (v3Global.opt.coverage()) {
V3Coverage::coverage(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("coverage.tree"));
}
// Assertion insertion
// After we've added block coverage, but before other nasty transforms
V3AssertPre::assertPreAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("assertpre.tree"));
//
V3Assert::assertAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("assert.tree"));
// Add top level wrapper with instance pointing to old top
// Move packages to under new top
// Must do this after we know the width of any parameters
// We also do it after coverage/assertion insertion so we don't 'cover' the top level.
V3LinkLevel::wrapTop(v3Global.rootp());
// Propagate constants into expressions
V3Const::constifyAllLint(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Expand Inouts
V3Tristate::inoutAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("inouts.tree"));
// Remove cell arrays (must be between V3Width and scoping)
V3Inst::dearrayAll(v3Global.rootp());
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("dearray.tree"));
// Expand inouts, stage 2
// Also simplify pin connections to always be AssignWs in prep for V3Unknown
V3Tristate::tristateAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("tristate.tree"));
// Task inlining & pushing BEGINs names to variables/cells
// Begin processing must be after Param, before module inlining
V3Begin::debeginAll(v3Global.rootp()); // Flatten cell names, before inliner
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("begin.tree"));
// Move assignments from X into MODULE temps.
// (Before flattening, so each new X variable is shared between all scopes of that module.)
V3Unknown::unknownAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("unknown.tree"));
// Module inlining
// Cannot remove dead variables after this, as alias information for final
// V3Scope's V3LinkDot is in the AstVar.
if (v3Global.opt.oInline()) {
V3Inline::inlineAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("inline.tree"));
V3LinkDot::linkDotArrayed(v3Global.rootp()); // Cleanup as made new modules
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("linkdot.tree"));
}
//--PRE-FLAT OPTIMIZATIONS------------------
// Initial const/dead to reduce work for ordering code
V3Const::constifyAll(v3Global.rootp());
v3Global.checkTree();
V3Dead::deadifyAll(v3Global.rootp(), false);
v3Global.checkTree();
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
V3Error::abortIfErrors();
//--FLATTENING---------------
// We're going to flatten the hierarchy, so as many optimizations that
// can be done as possible should be before this....
// Convert instantiations to wassigns and always blocks
V3Inst::instAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("inst.tree"));
// Inst may have made lots of concats; fix them
V3Const::constifyAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Flatten hierarchy, creating a SCOPE for each module's usage as a cell
V3Scope::scopeAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("scope.tree"));
V3LinkDot::linkDotScope(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("linkdot.tree"));
//--SCOPE BASED OPTIMIZATIONS--------------
// Cleanup
V3Const::constifyAll(v3Global.rootp());
V3Dead::deadifyAll(v3Global.rootp(), false);
v3Global.checkTree();
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Inline all tasks
V3Task::taskAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("task.tree"));
// Add __PVT's
// After V3Task so task internal variables will get renamed
V3Name::nameAll(v3Global.rootp());
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("name.tree"));
// Loop unrolling & convert FORs to WHILEs
V3Unroll::unrollAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("unroll.tree"));
// Expand slices of arrays
V3Slice::sliceAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("slices.tree"));
// Convert case statements to if() blocks. Must be after V3Unknown
V3Case::caseAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("case.tree"));
// Push constants across variables and remove redundant assignments
V3Const::constifyAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
if (v3Global.opt.oLife()) {
V3Life::lifeAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("life.tree"));
}
// Make large low-fanin logic blocks into lookup tables
// This should probably be done much later, once we have common logic elimination.
if (!v3Global.opt.lintOnly() && v3Global.opt.oTable()) {
V3Table::tableAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("table.tree"));
}
// Cleanup
V3Const::constifyAll(v3Global.rootp());
V3Dead::deadifyAll(v3Global.rootp(), false);
v3Global.checkTree();
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Detect clock enables and mode into sensitives, and split always based on clocks
// (so this is a good prelude to splitAlways.)
if (v3Global.opt.oFlopGater()) {
V3ClkGater::clkGaterAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("clkgater.tree"));
}
// Move assignments/sensitives into a SBLOCK for each unique sensitivity list
// (May convert some ALWAYS to combo blocks, so should be before V3Gate step.)
V3Active::activeAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("active.tree"));
// Split single ALWAYS blocks into multiple blocks for better ordering chances
if (v3Global.opt.oSplit()) {
V3Split::splitAlwaysAll(v3Global.rootp());
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("split.tree"));
}
V3SplitAs::splitAsAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("splitas.tree"));
// Create tracing sample points, before we start eliminating signals
if (v3Global.opt.trace()) {
V3TraceDecl::traceDeclAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("tracedecl.tree"));
}
// Gate-based logic elimination; eliminate signals and push constant across cell boundaries
// Instant propagation makes lots-o-constant reduction possibilities.
if (v3Global.opt.oGate()) {
V3Gate::gateAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("gate.tree"));
// V3Gate calls constant propagation itself.
} else {
v3info("Command Line disabled gate optimization with -Og/-O0. This may cause ordering problems.");
}
// Combine COVERINCs with duplicate terms
if (v3Global.opt.coverage()) {
V3CoverageJoin::coverageJoin(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("coveragejoin.tree"));
}
// Remove unused vars
V3Const::constifyAll(v3Global.rootp());
V3Dead::deadifyAll(v3Global.rootp(), true);
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Clock domain crossing analysis
if (v3Global.opt.cdc()) {
V3Cdc::cdcAll(v3Global.rootp());
V3Error::abortIfErrors();
return;
}
// Reorder assignments in pipelined blocks
if (v3Global.opt.oReorder()) {
V3Split::splitReorderAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("reorder.tree"));
}
// Create delayed assignments
// This creates lots of duplicate ACTIVES so ActiveTop needs to be after this step
V3Delayed::delayedAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("delayed.tree"));
// Make Active's on the top level
// Differs from V3Active, because identical clocks may be pushed down to a module and now be identical
V3ActiveTop::activeTopAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("activetop.tree"));
if (v3Global.opt.stats()) V3Stats::statsStageAll(v3Global.rootp(), "PreOrder");
// Order the code; form SBLOCKs and BLOCKCALLs
V3Order::orderAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("order.tree"));
#ifndef NEW_ORDERING
// Change generated clocks to look at delayed signals
V3GenClk::genClkAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("genclk.tree"));
#endif
// Convert sense lists into IF statements.
V3Clock::clockAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("clock.tree"));
// Cleanup any dly vars or other temps that are simple assignments
// Life must be done before Subst, as it assumes each CFunc under _eval is called only once.
if (v3Global.opt.oLife()) {
V3Const::constifyAll(v3Global.rootp());
V3Life::lifeAll(v3Global.rootp());
}
if (v3Global.opt.oLifePost()) {
V3LifePost::lifepostAll(v3Global.rootp());
}
if (v3Global.opt.oLife() || v3Global.opt.oLifePost()) {
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("life.tree"));
}
// Remove unused vars
V3Const::constifyAll(v3Global.rootp());
V3Dead::deadifyAll(v3Global.rootp(), true);
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
#ifndef NEW_ORDERING
// Detect change loop
V3Changed::changedAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("changed.tree"));
#endif
// Create tracing logic, since we ripped out some signals the user might want to trace
// Note past this point, we presume traced variables won't move between CFuncs
// (It's OK if untraced temporaries move around, or vars "effectively" activate the same way.)
if (v3Global.opt.trace()) {
V3Trace::traceAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("trace.tree"));
}
if (v3Global.opt.stats()) V3Stats::statsStageAll(v3Global.rootp(), "Scoped");
// Remove scopes; make varrefs/funccalls relative to current module
V3Descope::descopeAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("descope.tree"));
//--MODULE OPTIMIZATIONS--------------
// Split deep blocks to appease MSVC++. Must be before Localize.
if (!v3Global.opt.lintOnly() && v3Global.opt.compLimitBlocks()) {
V3DepthBlock::depthBlockAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("deepblock.tree"));
}
// Move BLOCKTEMPS from class to local variables
if (v3Global.opt.oLocalize()) {
V3Localize::localizeAll(v3Global.rootp());
}
// Icache packing; combine common code in each module's functions into subroutines
if (v3Global.opt.oCombine()) {
V3Combine::combineAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("combine.tree"));
}
V3Error::abortIfErrors();
//--GENERATION------------------
// Remove unused vars
V3Const::constifyAll(v3Global.rootp());
V3Dead::deadifyAll(v3Global.rootp(), true);
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
// Here down, widthMin() is the Verilog width, and width() is the C++ width
// Bits between widthMin() and width() are irrelevant, but may be non zero.
v3Global.assertWidthsSame(false);
// Make all operations a multiple of 32 bits
V3Clean::cleanAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("clean.tree"));
// Move wide constants to BLOCK temps.
V3Premit::premitAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("premit.tree"));
// Expand macros and wide operators into C++ primitives
if (v3Global.opt.oExpand()) {
V3Expand::expandAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("expand.tree"));
}
// Propagate constants across WORDSEL arrayed temporaries
if (v3Global.opt.oSubst()) {
// Constant folding of expanded stuff
V3Const::constifyCpp(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("const.tree"));
V3Subst::substituteAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("subst.tree"));
}
if (v3Global.opt.oSubstConst()) {
// Constant folding of substitutions
V3Const::constifyCpp(v3Global.rootp());
V3Dead::deadifyAll(v3Global.rootp(), true);
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("dead.tree"));
}
if (!v3Global.opt.lintOnly()) {
// Fix very deep expressions
// Mark evaluation functions as member functions, if needed.
V3Depth::depthAll(v3Global.rootp());
//v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("depth.tree"));
// Branch prediction
V3Branch::branchAll(v3Global.rootp());
// Add C casts when longs need to become long-long and vice-versa
// Note depth may insert something needing a cast, so this must be last.
V3Cast::castAll(v3Global.rootp());
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("cast.tree"));
}
V3Error::abortIfErrors();
// Output the text
if (!v3Global.opt.lintOnly()) {
// emitcInlines is first, as it may set needHInlines which other emitters read
V3EmitC::emitcInlines();
V3EmitC::emitcSyms();
V3EmitC::emitcTrace();
}
// Unfortunately we have some lint checks in emitc.
V3EmitC::emitc();
// Statistics
if (v3Global.opt.stats()) {
V3Stats::statsFinalAll(v3Global.rootp());
V3Stats::statsReport();
}
if (!v3Global.opt.lintOnly()) {
// Makefile must be after all other emitters
V3EmitMk::emitmk(v3Global.rootp());
}
// Note early return above when opt.cdc()
}
//######################################################################
int main(int argc, char** argv, char** env) {
// General initialization
ios::sync_with_stdio();
time_t randseed;
time(&randseed);
srand( (int) randseed);
// Preprocessor
// Before command parsing so we can handle -Ds on command line.
V3PreShell::boot(env);
// Command option parsing
v3Global.opt.bin(argv[0]);
string argString = V3Options::argString(argc-1, argv+1);
v3Global.opt.parseOpts(new FileLine("COMMAND_LINE",0), argc-1, argv+1);
if (v3Global.opt.coverage() && !v3Global.opt.systemPerl() && !v3Global.opt.lintOnly()) {
v3fatal("Unsupported: Coverage analysis requires --sp output.");
}
if (!v3Global.opt.outFormatOk()
&& !v3Global.opt.preprocOnly()
&& !v3Global.opt.lintOnly()
&& !v3Global.opt.cdc()) {
v3fatal("verilator: Need --cc, --sc, --sp, --cdc, --lint-only or --E option");
}
// Check environment
V3Options::getenvSYSTEMC();
V3Options::getenvSYSTEMC_ARCH();
V3Options::getenvSYSTEMPERL();
V3Options::getenvSYSTEMPERL_INCLUDE();
V3Error::abortIfErrors();
// Can we skip doing everything if times are ok?
V3File::addSrcDepend(v3Global.opt.bin());
if (v3Global.opt.skipIdentical()
&& !v3Global.opt.preprocOnly()
&& !v3Global.opt.lintOnly()
&& !v3Global.opt.cdc()
&& V3File::checkTimes(v3Global.opt.makeDir()+"/"+v3Global.opt.prefix()+"__verFiles.dat", argString)) {
UINFO(1,"--skip-identical: No change to any source files, exiting\n");
exit(0);
}
// Internal tests (after option parsing as need debug() setting)
V3Graph::test();
//--FRONTEND------------------
// Cleanup
V3Options::unlinkRegexp(v3Global.opt.makeDir(), v3Global.opt.prefix()+"_*.tree");
V3Options::unlinkRegexp(v3Global.opt.makeDir(), v3Global.opt.prefix()+"_*.dot");
V3Options::unlinkRegexp(v3Global.opt.makeDir(), v3Global.opt.prefix()+"_*.txt");
// Read first filename
v3Global.readFiles();
// Link, etc, if needed
if (!v3Global.opt.preprocOnly()) {
process();
}
// Final steps
v3Global.rootp()->dumpTreeFile(v3Global.debugFilename("final.tree",99));
V3Error::abortIfWarnings();
if (!v3Global.opt.lintOnly() && !v3Global.opt.cdc()
&& v3Global.opt.makeDepend()) {
V3File::writeDepend(v3Global.opt.makeDir()+"/"+v3Global.opt.prefix()+"__ver.d");
}
if (!v3Global.opt.lintOnly() && !v3Global.opt.cdc()
&& (v3Global.opt.skipIdentical() || v3Global.opt.makeDepend())) {
V3File::writeTimes(v3Global.opt.makeDir()+"/"+v3Global.opt.prefix()+"__verFiles.dat", argString);
}
#ifdef VL_LEAK_CHECKS
// Cleanup memory for valgrind leak analysis
v3Global.clear();
#endif
FileLine::deleteAllRemaining();
UINFO(1,"Done, Exiting...\n");
}
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