This is a stable release of SVF for LLVM-16.0.0 with the following change:

• Fully support for opaque pointers
• Object type inference
• ExtAPI improvement
• Abstract Interpretation API refactoring
• Symbolic abstraction implementation improvement in abstract execution.

In our next release, SVF will support LLVM-17 or 18.

What's Changed

• Add opaque pointer in extapi by @shuangxiangkan in #1355
• remove getbasevalvar in getgepval by @jumormt in #1356
• Bump LLVM to Version 16 by @jumormt in #1357
• use macos-latest for lib publish by @jumormt in #1358
• fix npm by @jumormt in #1359
• build extapi.bc before svfllvm by @jumormt in #1361
• softlink brew llvm install path to SVFHOME/LLVMHOME by @jumormt in #1362
• add AE stage 1 by @bjjwwang in #1360
• refactor / improve coverage / README by @bjjwwang in #1365
• update logo by @fengxxu in #1368
• Fix incomplete/incorrect PTA when using C++ namespaces & virtual functions by @Johanmyst in #1369
• add some comments for cpp type inference by @jumormt in #1371
• move libSvfCore and libSvfLLVM files to lib folder by @bjjwwang in #1366
• fix npm bin folder by @bjjwwang in #1372
• update readme by @fengxxu in #1373
• reduce copy include folder by @bjjwwang in #1377
• Fix incomplete/incorrect callgraphs due to incorrect class names by @Johanmyst in #1376
• refactor obj type inference by @jumormt in #1378
• Fix getMainLLVMModule() by @shuangxiangkan in #1382
• UbuntuArmLLVM link is not added in build.sh by @guanqin-123 in #1383
• Ae convert CFBBG to ICFG by @bjjwwang in #1384
• pull before formatting by @jumormt in #1385
• add simplify ICFG by @bjjwwang in #1386
• Converts a mangled name to C naming style to match functions in extapi.c by @shuangxiangkan in #1393
• fix some non-ret and unused var warning by @jumormt in #1396
• fix LD_LIBRARY_PATH error in setup.sh by @yaoyue123 in #1397
• refactor the PR of merging AE and AEAPI by @bjjwwang in #1395
• refactor: uses()/getUser() -> users() by @jumormt in #1400
• fix var arg and chgnode not found error by @jumormt in #1403
• Sync SVF-EX with https://github.com/SVF-tools/Test-Suite by @bjjwwang in #1404
• first commit of supporting zext and sext by @bjjwwang in #1398
• update AE library by @jiawei-95 in #1408
• set name for each value by @jumormt in #1409
• add x87 double float support, by @bjjwwang in #1412
• Fix #1370: Establish a copy edge for int2ptr instruction/constantexpr by @yuleisui in #1410
• Fix llvm assertion in removeFunAnnotations() by @shuangxiangkan in #1420
• add race checker by @yuleisui in #1419
• Add llvm-17.0.6 support by @adityavardhanpadala in #1422
• [WIP]add AbstractValue by @bjjwwang in #1423
• remove ExeState and rename SVFIR2ItvExeState to SVFIR2AbsState by @bjjwwang in #1426
• remove GlobalES and rename by @bjjwwang in #1428
• fix some bugs and remove some unused data by @bjjwwang in #1429
• rename some datas by @bjjwwang in #1431
• rename some data struct by @bjjwwang in #1434
• remove tmpes in SVFIR2AbsState by @bjjwwang in #1436
• rename es to as, getState to getAbsState by @bjjwwang in #1438
• add const to some funcs in SVFIR2AbsState by @bjjwwang in #1440
• add typeinference pattern: alloc->gep->store->gep->load (issue #1442) by @jumormt in #1443
• Fix bug and CI by @jumormt in #1446
• update xcode version by @jumormt in #1447
• brew install z3 by @jumormt in #1448
• Update build.sh by @bjjwwang in #1450
• Update build.sh by @bjjwwang in #1451
• Bump to LLVM 16.0.2 by @jumormt in #1452
• modification of outputs by @bjjwwang in #1453
• add IntervalValue and AddressValue operator= overload by @bjjwwang in #1456
• add boundedint by @jumormt in #1459
• remove some ambiguous API in AbstractValue by @bjjwwang in #1461
• refactor some api in intervalValue by @bjjwwang in #1462
• refactor APIs in AbstractState/Value by @bjjwwang in #1463
• State1 refactor SVFIR2AbsState by @bjjwwang in #1464
• stage2: refactor AbstractState/Value by @bjjwwang in #1465
• rename ICFGWTONode/Cycle by @bjjwwang in #1466
• add assertion message when calling lb/ub if interval is bottom, don't… by @jumormt in #1467
• add methods: getWTOComponents by @jumormt in #1469

New Contributors

• @fengxxu made their first contribution in #1368
• @yaoyue123 made their first contribution in #1397
• @adityavardhanpadala made their first contribution in #1422

Full Changelog: SVF-2.9...SVF-3.0

This is a stable release of SVF for LLVM-14.0.0 with the following change:

• CMake significant changes
• Supporting opaque pointers in progress
• Performing improvement for Andersen in memory and speed
• Symbolic abstraction implementation in abstract execution.

In our next release, SVF will support LLVM-16 and merge the Abstract Execution solver code.

What's Changed

• opaque pointer stage 2-1 by @jumormt in #1304
• remove isNonPointerObj API by @yuleisui in #1315
• Opaque stage 2.2 by @jumormt in #1317
• Fix numOfElements for a C++ object with vtable by @yuleisui in #1318
• remove redundant BUF_CHECK from extapi.c by @bjjwwang in #1320
• Modernise CMake script by @Johanmyst in #1305
• Let Docker use specific cmake version by @xudon9 in #1328
• add intervalESBase by @jumormt in #1333
• turn interprocedural off by @jumormt in #1334
• add arraySize to AddrStmt by @bjjwwang in #1324
• fix a name ambiguous in IntervalExeState by @bjjwwang in #1335
• add symbolic abstraction test by @jiawei-95 in #1339
• Add Memory Statistics and Clean Solitaries in Constraint Graph by @kisslune in #1340
• clean up and improve SVF stats by @yuleisui in #1341
• use template in WTO by @jumormt in #1342
• Bytesize by @jumormt in #1344
• cpp stage 1: move cppUtil to svf-llvm by @jumormt in #1345
• fix svf-npm publish CI: remove previous folder before copying by @jumormt in #1346
• fix npm publish CI by @jumormt in #1347
• opaque pointer support (type inference) for c by @jumormt in #1323
• Rm std::transform by @jumormt in #1348
• use orderedset to select largest type by @jumormt in #1351
• Opaque by @jumormt in #1352
• fix isTemplate and fix a NPD bug by @jumormt in #1353

Full Changelog: SVF-2.8...SVF-2.9

Major changes

1. Improved handling of external functions using a simple extapi.c file to link to the main module.
2. API refactoring to address constant field offset for field-sensitivity.
3. Refactored abstract execution code and implemented WTO (Weak Topological Ordering).
4. Development of Control Dependence and BlockCFG classes.
5. Enhancements to CMake for improved handling of dynamically linked libraries.
6. Refactoring in preparation for the later adoption of opaque pointers.
7. Implemented pointee type and inferred the number of fields in a heap object.
8. Implemented symbolic abstraction.
9. Bug fixes for Saber in abstract execution, graph construction, and more.

What's Changed

• fix bitvec err for sse by @bjjwwang in #1156
• cfl graphbuilder update by @TalbenXu in #1158
• fix issue 1139 by @JasonZhongZexin in #1155
• fix typo by @canliture in #1160
• Support non-throwing C++ new functions in ExtAPI by @adriaanjacobs in #1163
• Spelling Fixes by @davis-matthew in #1164
• Replace ExAPI.json with extapi.c (extapi.c explaination wiki: https://github.com/SVF-tools/SVF/wiki/Handling-External-APIs-with-extapi.c) by @shuangxiangkan in #1165
• Put the extapi.c into the svf-llvm/lib/ by @shuangxiangkan in #1168
• Remove “attribute((annotate("SVF")))” from extapi.c by @shuangxiangkan in #1169
• support main() decl in ext.bc and main() def in app.bc(). by @bjjwwang in #1170
• ExtAPI refactor by @bjjwwang in #1174
• remove duplicate/useless enum field 'FunRet' by @canliture in #1175
• fix a bug in computeConstantOffset by @bjjwwang in #1177
• fix a nullptr dereference error by @canliture in #1179
• Fix the bug of failing to find extapi.bc in npm by @shuangxiangkan in #1183
• Add comments to some APIs in SVFIRExtAPI.cpp by @shuangxiangkan in #1185
• fix getgepoffset and accumulateconstantOffset by @bjjwwang in #1184
• Remove "STATIC" annotation in extapi.bc by @shuangxiangkan in #1188
• fix a bug that leads to get many incorrect switch target case value -1 by @canliture in #1191
• add reshapeValue() to getOffsetfromGepPair by @bjjwwang in #1192
• replace int64 with s64 in IntervalValue/Z3Expr by @bjjwwang in #1195
• 0822 wip by @JasonZhongZexin in #1196
• fix incorrect iterator comparision by @canliture in #1199
• Remove redundant functions, annotations and global variables introduc… by @shuangxiangkan in #1204
• Add control dependence and ICFG Wrapper by @jumormt in #1203
• fix compiler err in gcc13.2 by @bjjwwang in #1209
• Add filesystem read/write in SVFLoopAndDoom by @xudon9 in #1207
• Fix some issues about ExtAPI by @shuangxiangkan in #1210
• Fix the extapi.bc path not found issue by @shuangxiangkan in #1212
• Fix typo and simplify code in ExtAPI by @shuangxiangkan in #1215
• Merge ICFGWrapper with CFBasicBlockG by @jumormt in #1218
• fix svf doxygen publish err by @JasonZhongZexin in #1219
• Add func to first BB by @jumormt in #1220
• remove bbToNode from CFBasicBlockGraph by @bjjwwang in #1221
• fix control dependence bug: no nearest common post dominator by @jumormt in #1223
• Split callsite and return site in a CFBBNode by @jumormt in #1227
• fix potential null dereference by @jumormt in #1228
• Allow building of shared libraries by @xudon9 in #1229
• Fix Wto for CFBBGraph by @bjjwwang in #1230
• fix LLVM_DIR rewrite by LLVMConfig.cmake by @jumormt in #1232
• fix WTO and CDG build bug by @jumormt in #1233
• fix mac dynlib build failed by @JasonZhongZexin in #1237
• Suppress warnings for unused variables when SVF_ENABLE_ASSERTIONS is … by @hjjandy in #1238
• fix getByteOffsets in GepStmt and SVFIR2ItvExeState by @bjjwwang in #1240
• add coverage and fix struct gep accumulatedGepByteOffset() by @bjjwwang in #1241
• use getPtrElementType rather than getpointerelementtype by @jumormt in #1245
• fix 2 bug by @bjjwwang in #1246
• fix if offsetVarAndGepTypePair.second is nullptr by @bjjwwang in #1247
• Add BinaryOp and UnaryOp into BreakConstantExpr by @yuleisui in #1249
• fix intervalValue compare operators by @bjjwwang in #1251
• fix CFBBGraph for recursive funcs by @bjjwwang in #1253
• Load extapi module in buildSVFModule(Module& mod) by @shuangxiangkan in #1258
• 1st PR of more precise ObjTypeInfo by @bjjwwang in #1255
• 2nd PR. Add SVF's byte size and fix some api use by @bjjwwang in #1260
• strong update for translating phi by @jumormt in #1263
• fix a bug: 'getExitBB' of SVFFunction may get incorrect exit block. by @canliture in #1262
• handling fun exit node by @jumormt in #1266
• add range limit to IntegerType by @bjjwwang in #1264
• rename API names in AE by @jumormt in #1267
• rename getConstantFldIdx to getConstantStructFldIdx by @bjjwwang in #1268
• add source element type in accesspath by @jumormt in #1269
• rename sourceElementType, fix computeConstantOffset bug by @jumormt in #1271
• fix offset>=so.size() assertion by @bjjwwang in #1272
• fix CFBBGbuilder bug by @jumormt in #1273
• Build CFBasicBlockG based on SVFBasicBlocks rather than ICFG by @jumormt in #1275
• fix bug json report to build better statistic by @bjjwwang in #1276
• Break when app and extapi module have a match by @Qcloud1223 in #1281
• (fix issue #1279) connect actual to formal vfgnode for full svfg by @jumormt in #1282
• refactor extapi by @bjjwwang in #1283
• fix extapi.c and ExtAPI.cpp by @bjjwwang in #1284
• add symbolic abstraction by @jiawei-95 in #1287
• Fix matching parameters and return values for "OVERWRITE" functions a… by @shuangxiangkan in #1285
• consider multiple uses of heap object by @Qcloud1223 in #1293
• Get LLVMContext instance directly from llvm::Module when building SVFModule by @Johanmyst in #1292
• infer number of fields of a heap object by @yuleisui in #1290
• remove some opaque pointer dependencies by @jumormt in #1295
• [WIP] remove getPtrElement by @jumormt in #1296
• infer object type in "createObjTypeInfo" instead of "analyzeHeapObjType" by @yuleisui in #1297
• bugfix: check return value of getenv by @sinotca529 in #1300
• bugfix in AndersenPWC by @egnchen in #1302
• Add -fno-rtti/fno-exceptions based on LLVM's configuration by @Johanmyst in #1291
• make the pointee type related to gep more robust by @jumormt in #1303
• -print-pts will now print the base and offset of a field object by @kisslune in #1307
• fix issue #1306: compute vf guard for strong update in another branch by @jumormt in #1309
• Fix bugs for big program by @bjjwwang in #1310
• remove string include by @bjjwwang in #1311

New Contributors

• @canliture made their first contribution in #1160
• @hjjandy made their first contribution in #1238
• @Qcloud1223 made their first contribution in https://github.com/SVF...

What's Changed

1. Upgrade to LLVM-14.0
2. SVF File systems for SVFIR and llvm2svf
3. Abstract Execution with more classes
4. Bugevent
5. External API enhancement
6. Performance improvement and bug fixing
7. Support for extAPI.bc to be linked for analysis of the application bc
8. CFL implementation enhancement

New Contributors

• @ChoKyuWon made their first contribution in #992
• @sinotca529 made their first contribution in #1003
• @timmyyuan made their first contribution in #1031
• @Shbinging made their first contribution in #1055
• @JoelYYoung made their first contribution in #1067
• @joeyjiaojg made their first contribution in #1094
• @sfu2 made their first contribution in #1105
• @acidghost made their first contribution in #1116
• @furtherun made their first contribution in #1126

Full Changelog: SVF-2.6...SVF-2.7

1. Improvements in SVF IR design and implementation (including SVFType, SVFValue, SVFModule)
2. Completely remove LLVM dependence (LLVM data structures are contained in the svf-llvm folder)
3. Abstract Execution
4. CMake simplified (two folders and generating svfcore.a and svfllvm.a)
5. Address sanitiser CI/CD
6. CFL POCR implementation
7. Reading external API summary from ExtAPI.json
8. Various bug fixings

1. SVF IR design and implementation (SVFStmt, SVFVar and etc.)
2. Refactoring to further remove LLVM dependence
3. General CFL implementation
4. External API implementation based on json read/write + programmatically side-effects
5. Write/read SVFG into/from a user-specified text file
6. Array-sensitive pointer analysis (-model-arrays)
7. Supporting data structure for symbolic solving (-model-consts)
8. Make version-based vfs pointer analysis multithreaded

1. Upgrade SVF to work on top of LLVM-13.0.0
2. OOPSLA/SAS papers' implementations
3. Read/write Andersen on LLVM IR
4. Remove redundant GepObj nodes (to address inconsistency results, need to take a further look later)
5. Saber refactoring
6. MTA refactoring

This is a release after upgrading SVF to LLVM-12.0.0