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26 Commits

Author SHA1 Message Date
Kostya Serebryany
8b390ffbfd [asan/tsan] initialize the asan/tsan callbacks in runOnFunction as opposed to doInitialization. This is required to allow the upcoming changes in PassManager behavior 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168864 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 09:54:21 +00:00
Dmitry Vyukov
b10675ef14 tsan: instrument atomic nand operation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168684 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-27 08:09:25 +00:00
Matt Beaumont-Gay
70af909f67 Remove stray trailing backslash 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168592 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-26 16:27:22 +00:00
Dmitry Vyukov
9a33f9f980 tsan: fix lint warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168590 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-26 14:55:26 +00:00
Dmitry Vyukov
6702e53926 [tsan] add fail order to compare_exchange 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168586 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-26 11:36:19 +00:00
Alexey Samsonov
659c052dfb [TSan] fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167928 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-14 14:33:59 +00:00
Dmitry Vyukov
c2e9ca15fb tsan: switch to new memory_order constants (ABI compatible) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167615 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-09 14:12:16 +00:00
Dmitry Vyukov
9f8a90b3ce tsan: instrument all atomics (including fetch_add, exchange, cas, etc) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167612 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-09 12:55:36 +00:00
Micah Villmow
b8bce928f4 Back out r166591, not sure why this made it through since I cancelled the command. Bleh, sorry about this! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166596 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-24 17:25:11 +00:00
Micah Villmow
2f87640b86 Delete a directory that wasn't supposed to be checked in yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166591 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-24 17:20:04 +00:00
Micah Villmow
3574eca1b0 Move TargetData to DataLayout. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165402 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-08 16:38:25 +00:00
Kostya Serebryany
41d876cea3 [tsan] add 3 internal flags for fine-grain control of what is instrumented and what is not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165204 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-04 05:28:50 +00:00
Dmitry Vyukov
9a8c112dae tsan: prepare for migration to new memory_order enum values (ABI compatible) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165107 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-03 13:00:57 +00:00
Alexey Samsonov
1dfe9b5264 Whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162907 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-30 13:47:13 +00:00
Kostya Serebryany
b5b86d263a [asan/tsan] rename FunctionBlackList* to BlackList* as this class is not limited to functions any more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162566 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-24 16:44:47 +00:00
Kostya Serebryany
4a002ab9c3 [tsan] fix compile-time falilure found while building Chromium with tsan (tsan issue #3). A unit test will follow separately. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159736 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-05 09:07:31 +00:00
Chandler Carruth
06cb8ed006 Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h 
This was always part of the VMCore library out of necessity -- it deals
entirely in the IR. The .cpp file in fact was already part of the VMCore
library. This is just a mechanical move.

I've tried to go through and re-apply the coding standard's preferred
header sort, but at 40-ish files, I may have gotten some wrong. Please
let me know if so.

I'll be committing the corresponding updates to Clang and Polly, and
Duncan has DragonEgg.

Thanks to Bill and Eric for giving the green light for this bit of cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159421 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-29 12:38:19 +00:00
Kostya Serebryany
37cb9acac5 [tsan] typo and style (thanks to Nick Lewycky) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155986 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-02 13:12:19 +00:00
Kostya Serebryany
e507922779 [tsan] Atomic support for ThreadSanitizer, patch by Dmitry Vyukov 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155698 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-27 07:31:53 +00:00
Kostya Serebryany
2d5fdf81dc [tsan] use llvm/ADT/Statistic.h for tsan stats 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155341 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 08:44:59 +00:00
Kostya Serebryany
cff60c1409 [tsan] two more compile-time optimizations: 
- don't isntrument reads from constant globals.
Saves ~1.5% of instrumented instructions on CPU2006
(counting static instructions, not their execution).
- don't insrument reads from vtable (which is a global constant too).
Saves ~5%.

I did not measure the run-time impact of this,
but it is certainly non-negative.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154444 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-10 22:29:17 +00:00
Kostya Serebryany
2076af0184 [tsan] compile-time instrumentation: do not instrument a read if 
a write to the same temp follows in the same BB.
Also add stats printing.

On Spec CPU2006 this optimization saves roughly 4% of instrumented reads
(which is 3% of all instrumented accesses):
Writes            : 161216
Reads             : 446458
Reads-before-write: 18295



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154418 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-10 18:18:56 +00:00
Kostya Serebryany
52eb699220 [tsan] treat vtable pointer updates in a special way (requires tbaa); fix a bug (forgot to return true after instrumenting); make sure the tsan tests are run 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153448 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-26 17:35:03 +00:00
Kostya Serebryany
6e590e3f61 [tsan] use FunctionBlackList 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152755 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-14 23:33:24 +00:00
Kostya Serebryany
3eccaa6625 [tsan] fix compiler warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150449 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-14 00:52:07 +00:00
Kostya Serebryany
60ebb1947f ThreadSanitizer, a race detector. First LLVM commit. 
Clang patch (flags) will follow shortly.
The run-time library will also follow, but not immediately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-13 22:50:51 +00:00