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27 Commits

Author SHA1 Message Date
Csaba Dabis 0202c3596c [analyzer] CastValueChecker: Store the dynamic types and casts 
Summary:
This patch introduces `DynamicCastInfo` similar to `DynamicTypeInfo` which
is stored in `CastSets` which are storing the dynamic cast informations of
objects based on memory regions. It could be used to store and check the
casts and prevent infeasible paths.

Reviewed By: NoQ

Differential Revision: https://reviews.llvm.org/D66325

llvm-svn: 369605
 2019-08-22 00:20:36 +00:00
Artem Dergachev ed035ff826 [analyzer] exploded-graph-rewriter: Improve source location dumps. 
- Correctly display macro expansion and spelling locations.
- Use the same procedure to display location context call site locations.
- Display statement IDs for program points.

llvm-svn: 365861
 2019-07-12 02:10:33 +00:00
Csaba Dabis 0cdd13c05a [analyzer] print() JSONify: Create pointers 
Summary: -

Reviewers: NoQ

Reviewed By: NoQ

Subscribers: xazax.hun, baloghadamsoftware, szepet, a.sidorin,
             mikhail.ramalho, Szelethus, donat.nagy, dkrupp, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D63726

llvm-svn: 364271
 2019-06-25 03:17:55 +00:00
Artem Dergachev 064c8c689a [analyzer] Fix JSON dumps for store clusters. 
Include a unique pointer so that it was possible to figure out if it's
the same cluster in different program states. This allows comparing
dumps of different states against each other.

Differential Revision: https://reviews.llvm.org/D63362

llvm-svn: 363896
 2019-06-19 23:33:51 +00:00
Artem Dergachev f9f6cdb1a8 [analyzer] Fix JSON dumps for location contexts. 
Location context ID is a property of the location context, not of an item
within it. It's useful to know the id even when there are no items
in the context, eg. for the purposes of figuring out how did contents
of the Environment for the same location context changed across states.

Differential Revision: https://reviews.llvm.org/D62754

llvm-svn: 363895
 2019-06-19 23:33:48 +00:00
Csaba Dabis ee37e28fd1 [analyzer] print() JSONify chain: Generic stmt_id 
Summary: Some environment create less statements so make them generic.
llvm-svn: 362011
 2019-05-29 18:58:41 +00:00
Csaba Dabis df0a42127c [analyzer] print() JSONify: Program state implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62087

llvm-svn: 361983
 2019-05-29 16:22:21 +00:00
Csaba Dabis b7ca72a113 [analyzer] print() JSONify: Checker messages implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62086

llvm-svn: 361982
 2019-05-29 16:02:33 +00:00
Csaba Dabis 35e54eb31e [analyzer] print() JSONify: Constructing objects implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62085

llvm-svn: 361980
 2019-05-29 15:58:26 +00:00
Csaba Dabis 32981637ce [analyzer] print() JSONify: Type information implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62083

llvm-svn: 361979
 2019-05-29 15:53:12 +00:00
Csaba Dabis 5df5eb8816 [analyzer] print() JSONify: Constraints implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62082

llvm-svn: 361978
 2019-05-29 15:43:26 +00:00
Csaba Dabis 9ce3746604 [analyzer] print() JSONify: Environment implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62081

llvm-svn: 361976
 2019-05-29 15:36:58 +00:00
Csaba Dabis 124cba0b81 [analyzer] print() JSONify: Store implementation 
Summary: -

Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus

Reviewed By: NoQ

Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy,
             dkrupp

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61912

llvm-svn: 361972
 2019-05-29 15:25:19 +00:00
Artem Dergachev be07303569 [analyzer] Self-debug: Dump environment frame-by-frame. 
It makes it easier to discriminate between values of similar expressions
in different stack frames.

It also makes the separate backtrace section in ExplodedGraph dumps redundant.

Differential Revision: https://reviews.llvm.org/D42552

llvm-svn: 324660
 2018-02-08 22:24:38 +00:00
Gabor Horvath d3a8570231 [analyzer] Dump signed integers in SymIntExpr and IntSymExpr correctly 
Patch by: Adam Balogh!

Differential Revision: https://reviews.llvm.org/D39048

llvm-svn: 316157
 2017-10-19 11:58:21 +00:00
Dominic Chen 08f943c563 [analyzer] Add new Z3 constraint manager backend 
Summary: Implement new Z3 constraint manager backend.

Reviewers: zaks.anna, dcoughlin, NoQ, xazax.hun

Subscribers: mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D28952

llvm-svn: 299463
 2017-04-04 19:52:25 +00:00
Dominic Chen 184c6242fa Reland 4: [analyzer] NFC: Update test infrastructure to support multiple constraint managers 
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296895
 2017-03-03 18:02:02 +00:00
Dominic Chen 09d66f7528 Revert "Reland 3: [analyzer] NFC: Update test infrastructure to support multiple constraint managers" 
This reverts commit ea36f1406e1f36bf456c3f3929839b024128e468.

llvm-svn: 296841
 2017-03-02 23:30:53 +00:00
Dominic Chen feaf9ff5ee Reland 3: [analyzer] NFC: Update test infrastructure to support multiple constraint managers 
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296837
 2017-03-02 23:05:45 +00:00
Dominic Chen 4a90bf8c3f Revert "Reland 2: [analyzer] NFC: Update test infrastructure to support multiple constraint managers" 
This reverts commit f93343c099fff646a2314cc7f4925833708298b1.

llvm-svn: 296836
 2017-03-02 22:58:06 +00:00
Dominic Chen 1cb0256a3c Reland 2: [analyzer] NFC: Update test infrastructure to support multiple constraint managers 
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296835
 2017-03-02 22:45:24 +00:00
Dominic Chen 00355a51d0 Revert "Reland: [analyzer] NFC: Update test infrastructure to support multiple constraint managers" 
This reverts commit 1b28d0b10e1c8feccb971abb6ef7a18bee589830.

llvm-svn: 296422
 2017-02-28 01:50:23 +00:00
Dominic Chen 59cd893320 Reland: [analyzer] NFC: Update test infrastructure to support multiple constraint managers 
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296414
 2017-02-28 00:02:36 +00:00
Dominic Chen 8589e10c30 Revert "[analyzer] NFC: Update test infrastructure to support multiple constraint managers" 
This reverts commit 8e7780b9e59ddaad1800baf533058d2c064d4787.

llvm-svn: 296317
 2017-02-27 03:29:25 +00:00
Dominic Chen 02064a3076 [analyzer] NFC: Update test infrastructure to support multiple constraint managers 
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296312
 2017-02-27 02:36:15 +00:00
Dominic Chen 0dd2306538 [analyzer] Print type for SymbolRegionValues when dumping to stream 
Reviewers: NoQ, dcoughlin, zaks.anna

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27365

llvm-svn: 288696
 2016-12-05 20:30:11 +00:00
Artem Dergachev 30ed5467a4 [analyzer] Minor fixes and improvements to debug.ExprInspection 
- Fix the bug with transition handling in ExprInspectionChecker's
  checkDeadSymbols implementation.

- Test this bug by adding a new function clang_analyzer_numTimesReached() to
  catch number of passes through the code, which should be handy for testing
  against unintended state splits.

- Add two more functions should help debugging issues quickly without running
  the debugger or dumping exploded graphs - clang_analyzer_dump() which dump()s
  an SVal argument to a warning message, and clang_analyzer_printState(), which
  dump()s the current program state to stderr.

Differential Revision: https://reviews.llvm.org/D26835

llvm-svn: 288257
 2016-11-30 17:57:18 +00:00