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4 Commits

Author SHA1 Message Date
Kevin Athey
532564de17 [MSAN] add flag to suppress storage of stack variable names with -sanitize-memory-track-origins 
Allows for even more savings in the binary image while simultaneously removing the name of the offending stack variable.

Depends on D131631

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D131728
 2022-08-12 11:59:53 -07:00
Kevin Athey
057cabd997 Remove function name from sanitize-memory-track-origins binary. 
This work is being done to reduce the size of MSAN with track origins binary.

Builds upon: https://reviews.llvm.org/D131205

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D131415
 2022-08-10 15:45:40 -07:00
Kevin Athey
d7a47a9bb5 Desist from passing function location to __msan_set_alloca_origin4. 
This is done by calling __msan_set_alloca_origin and providing the location of the variable by using the call stack.
This is prepatory work for dropping variable names when track-origins is enabled.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D131205
 2022-08-10 09:02:53 -07:00
Fangrui Song
d21b3d346a compiler-rt: Rename .cc file in test/msan to .cpp 
Like r367463, but for test/msan.

llvm-svn: 367653
 2019-08-02 06:07:05 +00:00