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119 Commits

Author SHA1 Message Date
Sam McCall 5da4d75877 Remove top-level using declaration from header files, as these aliases leak. 
Reviewers: ilya-biryukov

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53135

llvm-svn: 344337
 2018-10-12 12:21:29 +00:00
George Karpenkov ca7a23e761 [analyzer] Avoid unneeded invalidation in RetainCountChecker 
Differential Revision: https://reviews.llvm.org/D53168

llvm-svn: 344312
 2018-10-11 22:59:38 +00:00
George Karpenkov 41dc8de6ae [analyzer] Retain count checker for OSObject: recognize OSDynamicCast 
For now, tresting the cast as a no-op, and disregarding the case where
the output becomes null due to the type mismatch.

rdar://45174557

Differential Revision: https://reviews.llvm.org/D53156

llvm-svn: 344311
 2018-10-11 22:59:16 +00:00
George Karpenkov c82d457db5 [analyzer] [NFC] Remove unused parameters, as found by -Wunused-parameter 
Differential Revision: https://reviews.llvm.org/D52640

llvm-svn: 343353
 2018-09-28 18:49:41 +00:00
George Karpenkov 04553e530f [analyzer] Process state in checkEndFunction in RetainCountChecker 
Modify the RetainCountChecker to perform state "adjustments" in
checkEndFunction, as performing work in PreStmt<ReturnStmt> does not
work with destructors.
The previous version made an implicit assumption that no code runs
after the return statement is executed.

rdar://43945028

Differential Revision: https://reviews.llvm.org/D52338

llvm-svn: 342770
 2018-09-21 20:37:20 +00:00
George Karpenkov 6babf2ae16 [analyzer] [NFC] Prefer make_unique over "new" 
Differential Revision: https://reviews.llvm.org/D52336

llvm-svn: 342767
 2018-09-21 20:36:21 +00:00
George Karpenkov d5ef0d2a4b [analyzer] Better retain count rules for OSObjects 
Differential Revision: https://reviews.llvm.org/D51184

llvm-svn: 340961
 2018-08-29 20:28:33 +00:00
George Karpenkov ab0011ebc0 [analyzer] Preliminary version of retain count checking for OSObjects 
Has quite a lot of false positives, disabled behind the flag.

Differential Revision: https://reviews.llvm.org/D50880

llvm-svn: 340502
 2018-08-23 00:26:59 +00:00
George Karpenkov 6e9fd1377d [analyzer] [NFC] Fix minor formatting issues in RetainCountChecker 
Differential Revision: https://reviews.llvm.org/D51072

llvm-svn: 340378
 2018-08-22 01:17:09 +00:00
George Karpenkov 80c9e78e3b [analyzer] [NFC] Extract a method for creating RefVal from RetEffect in RetainCountChecker 
Differential Revision: https://reviews.llvm.org/D51071

llvm-svn: 340377
 2018-08-22 01:16:49 +00:00
George Karpenkov efef49cd2f [analyzer] [NFC] Split up RetainSummaryManager from RetainCountChecker - try #2 
Turns out it can't be removed from the analyzer since it relies on CallEvent.

Moving to staticAnalyzer/core

Differential Revision: https://reviews.llvm.org/D51023

llvm-svn: 340247
 2018-08-21 03:09:02 +00:00
Bruno Cardoso Lopes bb3b7cff96 Revert "[analyzer] [NFC] Split up RetainSummaryManager from RetainCountChecker" 
This reverts commit a786521fa66c72edd308baff0c08961b6d964fb1.

Bots haven't caught up yet, but broke modules build with:

../tools/clang/include/clang/StaticAnalyzer/Checkers/MPIFunctionClassifier.h:18:10:
fatal error: cyclic dependency in module 'Clang_StaticAnalyzer_Core':
Clang_StaticAnalyzer_Core -> Clang_Analysis ->
Clang_StaticAnalyzer_Checkers -> Clang_StaticAnalyzer_Core
         ^

llvm-svn: 340117
 2018-08-18 03:22:11 +00:00
George Karpenkov 0ac54fad53 [analyzer] [NFC] Split up RetainSummaryManager from RetainCountChecker 
ARCMigrator is using code from RetainCountChecker, which is a layering
violation (and it also does it badly, by using a different header, and
then relying on implementation being present in a header file).

This change splits up RetainSummaryManager into a separate library in
lib/Analysis, which can be used independently of a checker.

Differential Revision: https://reviews.llvm.org/D50934

llvm-svn: 340114
 2018-08-18 01:45:50 +00:00
George Karpenkov b1b791b9b1 [analyzer] [NFC] Minor refactoring of ISL-specific code in RetainCountChecker 
Differential Revision: https://reviews.llvm.org/D50879

llvm-svn: 340098
 2018-08-17 21:43:27 +00:00
George Karpenkov bc0cddf0c8 [analyzer] Re-instate support for MakeCollectable is RetainCountChecker 
Differential Revision: https://reviews.llvm.org/D50872

llvm-svn: 340097
 2018-08-17 21:42:59 +00:00
George Karpenkov 03011b2d98 [analyzer] [NFC] Move ObjCRetainCount to include/Analysis 
Differential Revision: https://reviews.llvm.org/D50869

llvm-svn: 340096
 2018-08-17 21:42:32 +00:00
George Karpenkov c4d6b93dc7 [analyzer] [NFC] Move canEval function from RetainCountChecker to RetainCountSummaries 
Differential Revision: https://reviews.llvm.org/D50863

llvm-svn: 340094
 2018-08-17 21:42:05 +00:00
George Karpenkov cab604e9c7 [analyzer] [NFC] Split up summary generation in RetainCountChecker in two methods 
Differential Revision: https://reviews.llvm.org/D50830

llvm-svn: 340093
 2018-08-17 21:41:37 +00:00
George Karpenkov 70c2ee30bc [analyzer] [NFC] Split up RetainCountChecker 
At some point, staring at 4k+ LOC file becomes a bit hard.

Differential Revision: https://reviews.llvm.org/D50821

llvm-svn: 340092
 2018-08-17 21:41:07 +00:00