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| author | Chris Lattner <sabre@nondot.org> | 2011-02-11 21:37:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-02-11 21:37:43 +0000 |
| commit | 6aa68a76474525255943bee914e37b68a3ba75c8 (patch) | |
| tree | e09a619ee14837d43c43408ea05c0685009ae5b8 /lib/Analysis/ScalarEvolution.cpp | |
| parent | 84cb033bf30b6f93ae2fbea71513970147e08dc2 (diff) | |
| download | external_llvm-6aa68a76474525255943bee914e37b68a3ba75c8.zip external_llvm-6aa68a76474525255943bee914e37b68a3ba75c8.tar.gz external_llvm-6aa68a76474525255943bee914e37b68a3ba75c8.tar.bz2 | |
When lowering an inbounds gep, the intermediate adds can have
unsigned overflow (e.g. due to a negative array index), but
the scales on array size multiplications are known to not
sign wrap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125409 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
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