Nadav Rotem
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ab3e698ee9
|
Add support for reverse pointer induction variables. These are loops that contain pointers that count backwards.
For example, this is the hot loop in BZIP:
do {
m = *--p;
*p = ( ... );
} while (--n);
llvm-svn: 173219
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2013-01-23 01:35:00 +00:00 |