source: icGREP/icgrep-devel/icgrep/lz4/LZ4GrepGenerator.cpp @ 5957

Last change on this file since 5957 was 5957, checked in by nmedfort, 18 months ago

fixes for minor compilation issues

File size: 24.8 KB
Line 
1//
2// Created by wxy325 on 2018/3/15.
3//
4
5#include "LZ4GrepGenerator.h"
6
7#include <boost/filesystem.hpp>
8#include <boost/iostreams/device/mapped_file.hpp>
9
10#include <llvm/Support/CommandLine.h>
11#include <llvm/Support/PrettyStackTrace.h>
12
13#include <cc/cc_compiler.h>
14
15#include <lz4FrameDecoder.h>
16#include <kernels/streamset.h>
17#include <kernels/cc_kernel.h>
18#include <kernels/s2p_kernel.h>
19#include <kernels/p2s_kernel.h>
20#include <kernels/source_kernel.h>
21#include <kernels/stdout_kernel.h>
22#include <kernels/lz4/lz4_generate_deposit_stream.h>
23#include <kernels/kernel_builder.h>
24#include <kernels/deletion.h>
25#include <kernels/swizzle.h>
26#include <kernels/pdep_kernel.h>
27#include <kernels/lz4/lz4_multiple_pdep_kernel.h>
28#include <kernels/lz4/lz4_match_copy_kernel.h>
29#include <kernels/lz4/lz4_swizzled_match_copy_kernel.h>
30#include <re/re_toolchain.h>
31
32#include <re/collect_ccs.h>
33#include <re/replaceCC.h>
34
35#include <set>
36#include "grep/grep_engine.h"
37#include "grep_interface.h"
38#include <llvm/IR/Module.h>
39#include <boost/filesystem.hpp>
40#include <UCD/resolve_properties.h>
41#include <kernels/charclasses.h>
42#include <kernels/cc_kernel.h>
43#include <kernels/grep_kernel.h>
44#include <kernels/UCD_property_kernel.h>
45#include <kernels/grapheme_kernel.h>
46#include <kernels/linebreak_kernel.h>
47#include <kernels/streams_merge.h>
48#include <kernels/source_kernel.h>
49#include <kernels/s2p_kernel.h>
50#include <kernels/scanmatchgen.h>
51#include <kernels/streamset.h>
52#include <kernels/until_n.h>
53#include <kernels/kernel_builder.h>
54#include <pablo/pablo_kernel.h>
55#include <re/re_cc.h>
56#include <re/re_name.h>
57#include <re/casing.h>
58#include <re/exclude_CC.h>
59#include <re/to_utf8.h>
60#include <re/re_toolchain.h>
61#include <toolchain/toolchain.h>
62#include <re/re_analysis.h>
63#include <re/re_name_resolve.h>
64#include <re/re_name_gather.h>
65//#include <re/re_collect_unicodesets.h>
66#include <re/re_multiplex.h>
67#include <re/grapheme_clusters.h>
68#include <re/printer_re.h>
69#include <toolchain/toolchain.h>
70#include <toolchain/cpudriver.h>
71#include <iostream>
72#include <cc/multiplex_CCs.h>
73#include <llvm/Support/raw_ostream.h>
74#include <util/aligned_allocator.h>
75#include <sys/stat.h>
76#include <fcntl.h>
77#include <errno.h>
78#include <llvm/ADT/STLExtras.h> // for make_unique
79#include <llvm/Support/CommandLine.h>
80#include <llvm/Support/Debug.h>
81#include <sched.h>
82#include <cstdio>
83#include <cc/multiplex_CCs.h>
84
85
86namespace re { class CC; }
87
88using namespace llvm;
89using namespace parabix;
90using namespace kernel;
91using namespace grep;
92
93
94const unsigned ByteCClimit = 6;
95
96
97LZ4GrepGenerator::LZ4GrepGenerator(): LZ4Generator() {
98    mGrepRecordBreak = grep::GrepRecordBreakKind::LF;
99    mMoveMatchesToEOL = true;
100}
101
102void LZ4GrepGenerator::initREs(std::vector<re::RE *> & REs) {
103    if (mGrepRecordBreak == GrepRecordBreakKind::Unicode) {
104        mBreakCC = re::makeCC(re::makeCC(0x0A, 0x0D), re::makeCC(re::makeCC(0x85), re::makeCC(0x2028, 0x2029)));
105    } else if (mGrepRecordBreak == GrepRecordBreakKind::Null) {
106        mBreakCC = re::makeByte(0);  // Null
107    } else {
108        mBreakCC = re::makeByte(0x0A); // LF
109    }
110    re::RE * anchorRE = mBreakCC;
111    if (mGrepRecordBreak == GrepRecordBreakKind::Unicode) {
112        re::Name * anchorName = re::makeName("UTF8_LB", re::Name::Type::Unicode);
113        anchorName->setDefinition(UCD::UnicodeBreakRE());
114        anchorRE = anchorName;
115    }
116
117    mREs = REs;
118    bool allAnchored = true;
119    for(unsigned i = 0; i < mREs.size(); ++i) {
120        if (!hasEndAnchor(mREs[i])) allAnchored = false;
121        mREs[i] = resolveModesAndExternalSymbols(mREs[i]);
122        mREs[i] = re::exclude_CC(mREs[i], mBreakCC);
123        mREs[i] = resolveAnchors(mREs[i], anchorRE);
124        re::gatherUnicodeProperties(mREs[i], mUnicodeProperties);
125        mREs[i] = regular_expression_passes(mREs[i]);
126    }
127    if (allAnchored && (mGrepRecordBreak != GrepRecordBreakKind::Unicode)) mMoveMatchesToEOL = false;
128
129}
130
131
132
133std::pair<parabix::StreamSetBuffer *, parabix::StreamSetBuffer *> LZ4GrepGenerator::grepPipeline(
134        std::vector<re::RE *> &REs, parabix::StreamSetBuffer *BasisBits) {
135
136    this->initREs(REs);
137    auto mGrepDriver = &pxDriver;
138
139
140    auto & idb = mGrepDriver->getBuilder();
141    // TODO: until we automate stream buffer sizing, use this calculation to determine how large our matches buffer needs to be.
142    const unsigned baseBufferSize = this->getInputBufferBlocks();
143    bool MultithreadedSimpleRE = false;
144    bool PropertyKernels = false;
145    bool CC_Multiplexing = false;
146    bool InvertMatchFlag = false;
147    int MaxCountFlag = 0;
148
149
150
151
152    //  Regular Expression Processing and Analysis Phase
153    const auto nREs = mREs.size();
154    bool hasGCB[nREs];
155    bool anyGCB = false;
156
157    for(unsigned i = 0; i < nREs; ++i) {
158        hasGCB[i] = hasGraphemeClusterBoundary(mREs[i]);
159        anyGCB |= hasGCB[i];
160    }
161    StreamSetBuffer * LineBreakStream = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
162    std::vector<StreamSetBuffer *> MatchResultsBufs(nREs);
163
164    re::RE * prefixRE;
165    re::RE * suffixRE;
166    // For simple regular expressions with a small number of characters, we
167    // can bypass transposition and use the Direct CC compiler.
168//    bool isSimple = (nREs == 1) && (mGrepRecordBreak != GrepRecordBreakKind::Unicode) && (!anyGCB);
169    bool isSimple = false;
170    if (isSimple) {
171        mREs[0] = toUTF8(mREs[0]);
172    }
173    if (isSimple && byteTestsWithinLimit(mREs[0], ByteCClimit)) {
174        std::vector<std::string> externalStreamNames;
175        std::vector<StreamSetBuffer *> icgrepInputSets = {ByteStream};
176        if (MultithreadedSimpleRE && hasTriCCwithinLimit(mREs[0], ByteCClimit, prefixRE, suffixRE)) {
177            auto CCs = re::collectCCs(prefixRE, &cc::Byte);
178            for (auto cc : CCs) {
179                auto ccName = makeName(cc);
180                mREs[0] = re::replaceCC(mREs[0], cc, ccName);
181                std::string ccNameStr = ccName->getFullName();
182                StreamSetBuffer * ccStream = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
183                kernel::Kernel * ccK = mGrepDriver->addKernelInstance<kernel::DirectCharacterClassKernelBuilder>(idb, ccNameStr, std::vector<re::CC *>{cc});
184                mGrepDriver->makeKernelCall(ccK, {ByteStream}, {ccStream});
185                externalStreamNames.push_back(ccNameStr);
186                icgrepInputSets.push_back(ccStream);
187            }
188        }
189        StreamSetBuffer * MatchResults = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
190        kernel::Kernel * icgrepK = mGrepDriver->addKernelInstance<kernel::ByteGrepKernel>(idb, mREs[0], externalStreamNames);
191        mGrepDriver->makeKernelCall(icgrepK, icgrepInputSets, {MatchResults});
192        MatchResultsBufs[0] = MatchResults;
193        kernel::Kernel * breakK = mGrepDriver->addKernelInstance<kernel::DirectCharacterClassKernelBuilder>(idb, "breakCC", std::vector<re::CC *>{mBreakCC});
194        mGrepDriver->makeKernelCall(breakK, {ByteStream}, {LineBreakStream});
195    } else if (isSimple && hasTriCCwithinLimit(mREs[0], ByteCClimit, prefixRE, suffixRE)) {
196        std::vector<std::string> externalStreamNames;
197        std::vector<StreamSetBuffer *> icgrepInputSets = {ByteStream};
198        if (MultithreadedSimpleRE) {
199            auto CCs = re::collectCCs(prefixRE, &cc::Byte);
200            for (auto cc : CCs) {
201                auto ccName = makeName(cc);
202                mREs[0] = re::replaceCC(mREs[0], cc, ccName);
203                std::string ccNameStr = ccName->getFullName();
204                StreamSetBuffer * ccStream = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
205                kernel::Kernel * ccK = mGrepDriver->addKernelInstance<kernel::DirectCharacterClassKernelBuilder>(idb, ccNameStr, std::vector<re::CC *>{cc});
206                mGrepDriver->makeKernelCall(ccK, {ByteStream}, {ccStream});
207                externalStreamNames.push_back(ccNameStr);
208                icgrepInputSets.push_back(ccStream);
209            }
210        }
211        StreamSetBuffer * MatchResults = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
212        kernel::Kernel * icgrepK = mGrepDriver->addKernelInstance<kernel::ByteBitGrepKernel>(idb, prefixRE, suffixRE, externalStreamNames);
213        mGrepDriver->makeKernelCall(icgrepK, icgrepInputSets, {MatchResults});
214        MatchResultsBufs[0] = MatchResults;
215        kernel::Kernel * breakK = mGrepDriver->addKernelInstance<kernel::DirectCharacterClassKernelBuilder>(idb, "breakCC", std::vector<re::CC *>{mBreakCC});
216        mGrepDriver->makeKernelCall(breakK, {ByteStream}, {LineBreakStream});
217    } else {
218        StreamSetBuffer * RequiredStreams = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
219        StreamSetBuffer * UnicodeLB = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
220
221        StreamSetBuffer * LineFeedStream = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
222        kernel::Kernel * linefeedK = mGrepDriver->addKernelInstance<kernel::LineFeedKernelBuilder>(idb, Binding{idb->getStreamSetTy(8), "basis", FixedRate(), Principal()});
223        mGrepDriver->makeKernelCall(linefeedK, {BasisBits}, {LineFeedStream});
224
225        kernel::Kernel * requiredStreamsK = mGrepDriver->addKernelInstance<kernel::RequiredStreams_UTF8>(idb);
226        mGrepDriver->makeKernelCall(requiredStreamsK, {BasisBits, LineFeedStream}, {RequiredStreams, UnicodeLB});
227
228        if (mGrepRecordBreak == GrepRecordBreakKind::LF) {
229            LineBreakStream = LineFeedStream;
230        } else if (mGrepRecordBreak == GrepRecordBreakKind::Null) {
231            kernel::Kernel * breakK = mGrepDriver->addKernelInstance<kernel::ParabixCharacterClassKernelBuilder>(idb, "Null", std::vector<re::CC *>{mBreakCC}, 8);
232            mGrepDriver->makeKernelCall(breakK, {BasisBits}, {LineBreakStream});
233        } else {
234            LineBreakStream = UnicodeLB;
235        }
236
237        std::map<std::string, StreamSetBuffer *> propertyStream;
238        if (PropertyKernels) {
239            for (auto p : mUnicodeProperties) {
240                auto name = p->getFullName();
241                StreamSetBuffer * s = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
242                propertyStream.emplace(std::make_pair(name, s));
243                kernel::Kernel * propertyK = mGrepDriver->addKernelInstance<kernel::UnicodePropertyKernelBuilder>(idb, p);
244                mGrepDriver->makeKernelCall(propertyK, {BasisBits}, {s});
245            }
246        }
247        StreamSetBuffer * GCB_stream = nullptr;
248        if (anyGCB) {
249            GCB_stream = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
250            kernel::Kernel * gcbK = mGrepDriver->addKernelInstance<kernel::GraphemeClusterBreakKernel>(idb);
251            mGrepDriver->makeKernelCall(gcbK, {BasisBits, RequiredStreams}, {GCB_stream});
252        }
253
254        for(unsigned i = 0; i < nREs; ++i) {
255            std::vector<std::string> externalStreamNames;
256            std::vector<StreamSetBuffer *> icgrepInputSets = {BasisBits};
257            if (mGrepRecordBreak == GrepRecordBreakKind::Unicode) {
258                externalStreamNames.push_back("UTF8_LB");
259                icgrepInputSets.push_back(LineBreakStream);
260                externalStreamNames.push_back("UTF8_nonfinal");
261                icgrepInputSets.push_back(RequiredStreams);
262            }
263            std::set<re::Name *> UnicodeProperties;
264            if (PropertyKernels) {
265                re::gatherUnicodeProperties(mREs[i], UnicodeProperties);
266                for (auto p : UnicodeProperties) {
267                    auto name = p->getFullName();
268                    auto f = propertyStream.find(name);
269                    if (f == propertyStream.end()) report_fatal_error(name + " not found\n");
270                    externalStreamNames.push_back(name);
271                    icgrepInputSets.push_back(f->second);
272                }
273            }
274            if (hasGCB[i]) {
275                externalStreamNames.push_back("\\b{g}");
276                icgrepInputSets.push_back(GCB_stream);
277            }
278            if (CC_Multiplexing) {
279                const auto UnicodeSets = re::collectCCs(mREs[i], &cc::Unicode, std::set<re::Name *>({re::makeZeroWidth("\\b{g}")}));
280                StreamSetBuffer * const MatchResults = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
281                if (UnicodeSets.size() <= 1) {
282                    kernel::Kernel * icgrepK = mGrepDriver->addKernelInstance<kernel::ICGrepKernel>(idb, mREs[i], externalStreamNames);
283                    mGrepDriver->makeKernelCall(icgrepK, icgrepInputSets, {MatchResults});
284                    MatchResultsBufs[i] = MatchResults;
285                } else {
286                    mpx = make_unique<cc::MultiplexedAlphabet>("mpx", UnicodeSets);
287                    mREs[i] = transformCCs(mpx.get(), mREs[i]);
288                    std::vector<re::CC *> mpx_basis = mpx->getMultiplexedCCs();
289                    auto numOfCharacterClasses = mpx_basis.size();
290                    StreamSetBuffer * CharClasses = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(numOfCharacterClasses), baseBufferSize);
291                    kernel::Kernel * ccK = mGrepDriver->addKernelInstance<kernel::CharClassesKernel>(idb, std::move(mpx_basis));
292                    mGrepDriver->makeKernelCall(ccK, {BasisBits}, {CharClasses});
293                    //                kernel::Kernel * ccK = mGrepDriver->addKernelInstance<kernel::CharClassesKernel>(idb, std::move(mpx_basis), true);
294                    //                mGrepDriver->makeKernelCall(ccK, {ByteStream}, {CharClasses});
295                    kernel::Kernel * icgrepK = mGrepDriver->addKernelInstance<kernel::ICGrepKernel>(idb, mREs[i], externalStreamNames, std::vector<cc::Alphabet *>{mpx.get()});
296                    icgrepInputSets.push_back(CharClasses);
297                    mGrepDriver->makeKernelCall(icgrepK, icgrepInputSets, {MatchResults});
298                    MatchResultsBufs[i] = MatchResults;
299                }
300            } else {
301                StreamSetBuffer * MatchResults = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
302                kernel::Kernel * icgrepK = mGrepDriver->addKernelInstance<kernel::ICGrepKernel>(idb, mREs[i], externalStreamNames);
303                mGrepDriver->makeKernelCall(icgrepK, icgrepInputSets, {MatchResults});
304                MatchResultsBufs[i] = MatchResults;
305            }
306        }
307    }
308
309    StreamSetBuffer * MergedResults = MatchResultsBufs[0];
310    if (mREs.size() > 1) {
311        MergedResults = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
312        kernel::Kernel * streamsMergeK = mGrepDriver->addKernelInstance<kernel::StreamsMerge>(idb, 1, mREs.size());
313        mGrepDriver->makeKernelCall(streamsMergeK, MatchResultsBufs, {MergedResults});
314    }
315    StreamSetBuffer * Matches = MergedResults;
316    if (mMoveMatchesToEOL) {
317        StreamSetBuffer * OriginalMatches = Matches;
318        kernel::Kernel * matchedLinesK = mGrepDriver->addKernelInstance<kernel::MatchedLinesKernel>(idb);
319        Matches = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
320        mGrepDriver->makeKernelCall(matchedLinesK, {OriginalMatches, LineBreakStream}, {Matches});
321    }
322    if (InvertMatchFlag) {
323        kernel::Kernel * invertK = mGrepDriver->addKernelInstance<kernel::InvertMatchesKernel>(idb);
324        StreamSetBuffer * OriginalMatches = Matches;
325        Matches = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
326        mGrepDriver->makeKernelCall(invertK, {OriginalMatches, LineBreakStream}, {Matches});
327    }
328    if (MaxCountFlag > 0) {
329        kernel::Kernel * untilK = mGrepDriver->addKernelInstance<kernel::UntilNkernel>(idb);
330        untilK->setInitialArguments({idb->getSize(MaxCountFlag)});
331        StreamSetBuffer * const AllMatches = Matches;
332        Matches = mGrepDriver->addBuffer<CircularBuffer>(idb, idb->getStreamSetTy(1, 1), baseBufferSize);
333        mGrepDriver->makeKernelCall(untilK, {AllMatches}, {Matches});
334    }
335
336    return std::pair<StreamSetBuffer *, StreamSetBuffer *>(LineBreakStream, Matches);
337
338}
339
340
341
342
343void LZ4GrepGenerator::invokeScanMatchGrep(char* fileBuffer, size_t blockStart, size_t blockEnd, bool hasBlockChecksum) {
344    auto main = this->getScanMatchGrepMainFunction();
345    std::ostringstream s;
346    EmitMatch accum("", false, false, s);
347
348    main(fileBuffer, blockStart, blockEnd, hasBlockChecksum, reinterpret_cast<intptr_t>(&accum));
349    llvm::outs() << s.str();
350}
351
352void LZ4GrepGenerator::generateScanMatchGrepPipeline(re::RE* regex) {
353    auto & iBuilder = pxDriver.getBuilder();
354    this->generateScanMatchMainFunc(iBuilder);
355
356    StreamSetBuffer * const DecompressedByteStream = pxDriver.addBuffer<CircularBuffer>(iBuilder, iBuilder->getStreamSetTy(1, 8), this->getDecompressedBufferBlocks());
357
358    // GeneratePipeline
359    this->generateLoadByteStreamAndBitStream(iBuilder);
360    this->generateExtractAndDepositMarkers(iBuilder);
361
362    auto swizzle = this->generateSwizzleExtractData(iBuilder);
363
364    //TODO buffer blocks should be decompressedBufferBlocks
365    StreamSetBuffer * depositedSwizzle0 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
366    StreamSetBuffer * depositedSwizzle1 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
367
368    Kernel * multiplePdepK = pxDriver.addKernelInstance<LZ4MultiplePDEPkernel>(iBuilder, 4, 2, 4);
369    pxDriver.makeKernelCall(multiplePdepK, {DepositMarker, swizzle.first, swizzle.second}, {depositedSwizzle0, depositedSwizzle1});
370
371
372    StreamSetBuffer * matchCopiedSwizzle0 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
373    StreamSetBuffer * matchCopiedSwizzle1 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
374
375    Kernel * swizzledMatchCopyK = pxDriver.addKernelInstance<LZ4SwizzledMatchCopyKernel>(iBuilder, 4, 2, 4);
376    swizzledMatchCopyK->setInitialArguments({fileSize});
377    pxDriver.makeKernelCall(swizzledMatchCopyK, {M0_Start, M0_End, Match_Offset, depositedSwizzle0, depositedSwizzle1}, {matchCopiedSwizzle0, matchCopiedSwizzle1});
378
379
380    // Produce unswizzled bit streams
381    StreamSetBuffer * extractedbits = pxDriver.addBuffer<CircularBuffer>(iBuilder, iBuilder->getStreamSetTy(8), this->getInputBufferBlocks());
382    Kernel * unSwizzleK = pxDriver.addKernelInstance<SwizzleGenerator>(iBuilder, 8, 1, 2);
383    pxDriver.makeKernelCall(unSwizzleK, {matchCopiedSwizzle0, matchCopiedSwizzle1}, {extractedbits});
384
385
386
387    Kernel * p2sK = pxDriver.addKernelInstance<P2SKernel>(iBuilder);
388    p2sK->addAttribute(MustConsumeAll());
389    pxDriver.makeKernelCall(p2sK, {extractedbits}, {DecompressedByteStream});
390
391/*
392    Kernel * outK = pxDriver.addKernelInstance<FileSink>(iBuilder, 8);
393    outK->setInitialArguments({iBuilder->GetString("/Users/wxy325/Desktop/c.txt")});
394    pxDriver.makeKernelCall(outK, {DecompressedByteStream}, {});
395*/
396
397//    StreamSetBuffer * const Extenders = pxDriver.addBuffer<CircularBuffer>(iBuilder, iBuilder->getStreamSetTy(1, 1), this->get4MbBufferBlocks());
398
399
400//    Kernel * extenderK = pxDriver.addKernelInstance<ParabixCharacterClassKernelBuilder>(iBuilder, "extenders", std::vector<re::CC *>{re::makeCC(0xFF)}, 8);
401//    pxDriver.makeKernelCall(extenderK, {extractedbits}, {Extenders});
402
403    StreamSetBuffer * LineBreakStream;
404    StreamSetBuffer * Matches;
405    std::vector<re::RE*> res = {regex};
406    std::tie(LineBreakStream, Matches) = grepPipeline(res, extractedbits);
407
408    kernel::Kernel * scanMatchK = pxDriver.addKernelInstance<kernel::ScanMatchKernel>(iBuilder);
409    scanMatchK->setInitialArguments({match_accumulator});
410    pxDriver.makeKernelCall(scanMatchK, {Matches, LineBreakStream, DecompressedByteStream}, {});
411    pxDriver.LinkFunction(*scanMatchK, "accumulate_match_wrapper", &accumulate_match_wrapper);
412    pxDriver.LinkFunction(*scanMatchK, "finalize_match_wrapper", &finalize_match_wrapper);
413
414    pxDriver.generatePipelineIR();
415    pxDriver.deallocateBuffers();
416
417    iBuilder->CreateRetVoid();
418
419    pxDriver.finalizeObject();
420}
421
422void LZ4GrepGenerator::generateCountOnlyGrepPipeline(re::RE* regex) {
423    auto & iBuilder = pxDriver.getBuilder();
424    this->generateMainFunc(iBuilder);
425
426    // GeneratePipeline
427    this->generateLoadByteStreamAndBitStream(iBuilder);
428    this->generateExtractAndDepositMarkers(iBuilder);
429
430    auto swizzle = this->generateSwizzleExtractData(iBuilder);
431
432    StreamSetBuffer * depositedSwizzle0 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
433    StreamSetBuffer * depositedSwizzle1 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
434
435    Kernel * multiplePdepK = pxDriver.addKernelInstance<LZ4MultiplePDEPkernel>(iBuilder, 4, 2, 4);
436    pxDriver.makeKernelCall(multiplePdepK, {DepositMarker, swizzle.first, swizzle.second}, {depositedSwizzle0, depositedSwizzle1});
437
438
439    StreamSetBuffer * matchCopiedSwizzle0 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
440    StreamSetBuffer * matchCopiedSwizzle1 = pxDriver.addBuffer<SwizzledCopybackBuffer>(iBuilder, iBuilder->getStreamSetTy(4), this->getInputBufferBlocks(), 1);
441
442    Kernel * swizzledMatchCopyK = pxDriver.addKernelInstance<LZ4SwizzledMatchCopyKernel>(iBuilder, 4, 2, 4);
443    swizzledMatchCopyK->setInitialArguments({fileSize});
444    pxDriver.makeKernelCall(swizzledMatchCopyK, {M0_Start, M0_End, Match_Offset, depositedSwizzle0, depositedSwizzle1}, {matchCopiedSwizzle0, matchCopiedSwizzle1});
445
446
447    // Produce unswizzled bit streams
448    StreamSetBuffer * extractedbits = pxDriver.addBuffer<CircularBuffer>(iBuilder, iBuilder->getStreamSetTy(8), this->getInputBufferBlocks());
449    Kernel * unSwizzleK = pxDriver.addKernelInstance<SwizzleGenerator>(iBuilder, 8, 1, 2);
450    pxDriver.makeKernelCall(unSwizzleK, {matchCopiedSwizzle0, matchCopiedSwizzle1}, {extractedbits});
451
452/*
453    Kernel * p2sK = pxDriver.addKernelInstance<P2SKernel>(iBuilder);
454    pxDriver.makeKernelCall(p2sK, {extractedbits}, {DecompressedByteStream});
455    Kernel * outK = pxDriver.addKernelInstance<FileSink>(iBuilder, 8);
456    outK->setInitialArguments({iBuilder->GetString("/Users/wxy325/Desktop/c.txt")});
457    pxDriver.makeKernelCall(outK, {DecompressedByteStream}, {});
458*/
459
460//    StreamSetBuffer * const Extenders = pxDriver.addBuffer<CircularBuffer>(iBuilder, iBuilder->getStreamSetTy(1, 1), this->get4MbBufferBlocks());
461
462
463//    Kernel * extenderK = pxDriver.addKernelInstance<ParabixCharacterClassKernelBuilder>(iBuilder, "extenders", std::vector<re::CC *>{re::makeCC(0xFF)}, 8);
464//    pxDriver.makeKernelCall(extenderK, {extractedbits}, {Extenders});
465
466    StreamSetBuffer * LineBreakStream;
467    StreamSetBuffer * Matches;
468    std::vector<re::RE*> res = {regex};
469    std::tie(LineBreakStream, Matches) = grepPipeline(res, extractedbits);
470
471
472    kernel::Kernel * matchCountK = pxDriver.addKernelInstance<kernel::PopcountKernel>(iBuilder);
473    pxDriver.makeKernelCall(matchCountK, {Matches}, {});
474    pxDriver.generatePipelineIR();
475
476
477    iBuilder->setKernel(matchCountK);
478    Value * matchedLineCount = iBuilder->getAccumulator("countResult");
479    matchedLineCount = iBuilder->CreateZExt(matchedLineCount, iBuilder->getInt64Ty());
480    iBuilder->CallPrintInt("aaa", matchedLineCount);
481
482    pxDriver.deallocateBuffers();
483
484    // TODO return matchedLineCount
485//        idb->CreateRet(matchedLineCount);
486
487
488    iBuilder->CreateRetVoid();
489
490    pxDriver.finalizeObject();
491}
492
493ScanMatchGrepMainFunctionType LZ4GrepGenerator::getScanMatchGrepMainFunction() {
494    return reinterpret_cast<ScanMatchGrepMainFunctionType>(pxDriver.getMain());
495}
496
497void LZ4GrepGenerator::generateScanMatchMainFunc(const std::unique_ptr<kernel::KernelBuilder> & iBuilder) {
498    Module * M = iBuilder->getModule();
499    Type * const sizeTy = iBuilder->getSizeTy();
500    Type * const boolTy = iBuilder->getIntNTy(sizeof(bool) * 8);
501    Type * const voidTy = iBuilder->getVoidTy();
502    Type * const inputType = iBuilder->getInt8PtrTy();
503    Type * const intAddrTy = iBuilder->getIntAddrTy();
504
505    Function * const main = cast<Function>(M->getOrInsertFunction("Main", voidTy, inputType, sizeTy, sizeTy, boolTy, intAddrTy, nullptr));
506    main->setCallingConv(CallingConv::C);
507    Function::arg_iterator args = main->arg_begin();
508    inputStream = &*(args++);
509    inputStream->setName("input");
510
511    headerSize = &*(args++);
512    headerSize->setName("headerSize");
513
514    fileSize = &*(args++);
515    fileSize->setName("fileSize");
516
517    hasBlockChecksum = &*(args++);
518    hasBlockChecksum->setName("hasBlockChecksum");
519
520    match_accumulator = &*(args++);
521    match_accumulator->setName("match_accumulator");
522
523    iBuilder->SetInsertPoint(BasicBlock::Create(M->getContext(), "entry", main, 0));
524}
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