Commit Graph

3 Commits

Author SHA1 Message Date
Dmitry Vyukov b1ad5720a2 tsan: implement no_sanitize_thread attribute
If a function has no_sanitize_thread attribute,
do not instrument memory accesses in it.

llvm-svn: 192871
2013-10-17 07:20:06 +00:00
Manman Ren 0ed04fc9ab TBAA: handle scalar TBAA format and struct-path aware TBAA format.
Remove the command line argument "struct-path-tbaa" since we should not depend
on command line argument to decide which format the IR file is using. Instead,
we check the first operand of the tbaa tag node, if it is a MDNode, we treat
it as struct-path aware TBAA format, otherwise, we treat it as scalar TBAA
format.

When clang starts to use struct-path aware TBAA format no matter whether
struct-path-tbaa is no, and we can auto-upgrade existing bc files, the support
for scalar TBAA format can be dropped.

Existing testing cases are updated to use the struct-path aware TBAA format.

llvm-svn: 191538
2013-09-27 18:34:27 +00:00
Dmitry Vyukov 55e63ef454 tsan: handle vptr loads specially
This is required to determine ctor/dtor vs virtual call races.
http://llvm-reviews.chandlerc.com/D566

llvm-svn: 177717
2013-03-22 08:51:22 +00:00