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authorTed Kremenek <kremenek@apple.com>2010-11-11 23:10:10 +0000
committerTed Kremenek <kremenek@apple.com>2010-11-11 23:10:10 +0000
commit843c53828fa7ae1f6e121d9ab5352054173ea31d (patch)
tree9a7ba3d85ca67afc2b3fff3ea6afe48f05a1c956 /llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
parent667429d6b184a00e039de025c8f6fc61b2188b71 (diff)
downloadbcm5719-llvm-843c53828fa7ae1f6e121d9ab5352054173ea31d.tar.gz
bcm5719-llvm-843c53828fa7ae1f6e121d9ab5352054173ea31d.zip
RegionStore/BasicStore: do not return UndefinedVal for accesses to concrete addresses; instead return UnknownVal. This
leads it up to checkers (e.g., DereferenceChecker) to guard against illegal accesses (e.g., null dereferences). Fixes PR 5272 and <rdar://problem/6839683>. llvm-svn: 118852
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstructionCombining.cpp')
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