Eli Friedman
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5842c9968a
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Slightly generalize transformation of memmove(a,a,n) so that it also applies
to memcpy. (Such a memcpy is technically illegal, but in practice is safe
and is generated by struct self-assignment in C code.)
llvm-svn: 91621
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2009-12-17 21:07:31 +00:00 |