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19 Commits

Author SHA1 Message Date
Artem Dergachev dd22be1e3d [analyzer] PthreadLock: Implement mutex escaping. 
Differential Revision: https://reviews.llvm.org/D37812
 2020-01-24 18:43:24 +03:00
Artem Dergachev 15624a7bda [analyzer] PthreadLock: Add more XNU rwlock unlock functions. 
Differential Revision: https://reviews.llvm.org/D37807
 2020-01-24 18:43:23 +03:00
Artem Dergachev 7791593138 [analyzer] PthreadLockChecker: model failed pthread_mutex_destroy() calls. 
pthread_mutex_destroy() may fail, returning a non-zero error number, and
keeping the mutex untouched. The mutex can be used on the execution branch
that follows such failure, so the analyzer shouldn't warn on using
a mutex that was previously destroyed, when in fact the destroy call has failed.

Patch by Malhar Thakkar!

Differential revision: https://reviews.llvm.org/D32449

llvm-svn: 304159
 2017-05-29 14:51:39 +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
Jordan Rose 59801406ca [analyzer] Fix pthread lock tests so that the API comes from a system header. 
...and verify that a global mutex in user code can be used without warnings.

Patch by Aleksei Sidorin!

llvm-svn: 217515
 2014-09-10 16:17:42 +00:00
Jordan Rose 3a176ed16d [analyzer] Lock checker: Allow pthread_mutex_init to reinitialize a destroyed lock. 
Patch by Daniel Fahlgren!

llvm-svn: 205276
 2014-04-01 03:40:53 +00:00
Jordan Rose 7fcaa14a82 [analyzer] Lock checker: make sure locks aren't used after being destroyed. 
Patch by Daniel Fahlgren!

llvm-svn: 205275
 2014-04-01 03:40:47 +00:00
Jordan Rose 0696bb4cef [analyzer] Add double-unlock detection to PthreadLockChecker. 
We've decided to punt on supporting recursive locks for now; the common case
is non-recursive.

Patch by Daniel Fahlgren!

llvm-svn: 205274
 2014-04-01 03:40:38 +00:00
Ted Kremenek 722398f1d4 Fix analyzer tests. 
llvm-svn: 162588
 2012-08-24 20:39:55 +00:00
Ted Kremenek 3f955e6d89 [analyzer] rename all experimental checker packages to have 'experimental' be the common root package. 
llvm-svn: 136835
 2011-08-03 23:14:55 +00:00
Jordy Rose d9c522100e [analysis] Add checks for double-locking and lock order reversal bugs for 
pthread and XNU locks. Patch by Rui Paulo!

llvm-svn: 135515
 2011-07-19 20:21:41 +00:00