a878e74351
tsan: instrument atomic nand operation
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llvm-svn: 168684
2012-11-27 08:09:25 +00:00
12b5cb9a0a
[tsan] add fail order to compare_exchange
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llvm-svn: 168586
2012-11-26 11:36:19 +00:00
0044e386e9
tsan: switch to new memory_order constants (ABI compatible)
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llvm-svn: 167615
2012-11-09 14:12:16 +00:00
92b9e1dbfd
tsan: instrument all atomics (including fetch_add, exchange, cas, etc)
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llvm-svn: 167612
2012-11-09 12:55:36 +00:00
84d75cdffd
tsan: update the test for new atomic enums
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llvm-svn: 165109
2012-10-03 13:19:20 +00:00
68845093dd
tsan: update the test for new atomic enums
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llvm-svn: 165108
2012-10-03 13:13:54 +00:00
a1259778b4
[tsan] Atomic support for ThreadSanitizer, patch by Dmitry Vyukov
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llvm-svn: 155698
2012-04-27 07:31:53 +00:00
5ba61ac651
[tsan] two more compile-time optimizations:
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- 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.
llvm-svn: 154444
2012-04-10 22:29:17 +00:00
bf2de80be6
[tsan] compile-time instrumentation: do not instrument a read if
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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
llvm-svn: 154418
2012-04-10 18:18:56 +00:00
6f8a776041
[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
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llvm-svn: 153448
2012-03-26 17:35:03 +00:00
924f9a671d
Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.
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Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches.
llvm-svn: 150664
2012-02-16 06:28:33 +00:00
e2a0e4163a
ThreadSanitizer, a race detector. First LLVM commit.
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Clang patch (flags) will follow shortly.
The run-time library will also follow, but not immediately.
llvm-svn: 150423
2012-02-13 22:50:51 +00:00
Dmitry Vyukov