29a6250bf0
Added some false positive checking to UnreachableCodeChecker
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- Allowed reporting of dead macros
- Added path walking function to search for false positives in conditional statements
- Updated some affected tests
- Added some false positive test cases
llvm-svn: 109561
2010-07-27 23:30:21 +00:00
cba9f517ac
Added an path-sensitive unreachable code checker to the experimental analyzer checks.
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- Created a new class to do post-analysis
- Updated several test cases with unreachable code to expect a warning
- Added some general tests
llvm-svn: 109286
2010-07-23 23:04:53 +00:00
d5d2e50f3e
Cleanup in CStringChecker. Now properly bifurcates the state for zero/nonzero sizes.
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llvm-svn: 107935
2010-07-08 23:57:29 +00:00
65136fb669
Add memcmp() and bcmp() to CStringChecker. These check for valid access to the buffer arguments and have a special-case for when the buffer arguments are known to be the same address, or when the size is zero.
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llvm-svn: 107761
2010-07-07 08:15:01 +00:00
33c829a6fd
Cleanup on CStringChecker and its associated tests. Also check for null arguments...which are allowed if the access length is 0!
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llvm-svn: 107759
2010-07-07 07:48:06 +00:00
134a236a14
Add a new path-sensitive checker for functions in <string.h>, for both null-terminated strings and memory blocks. Currently only checks memcpy(), memmove(), and bcopy(), but this is intended to be expanded soon.
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llvm-svn: 107722
2010-07-06 23:11:01 +00:00
Tom Care