Nadav Rotem f148c66ce4 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);



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173219 91177308-0d34-0410-b5e6-96231b3b80d8

2013-01-23 01:35:00 +00:00

3.3 KiB

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