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2 Commits

Author SHA1 Message Date
Matt Arsenault e64c7c7530 Fix missing CHECK-LABELs 
llvm-svn: 191853
 2013-10-02 20:29:00 +00:00
Nadav Rotem 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
 2013-01-23 01:35:00 +00:00