Dan Gohman c40eb525ad Reapply the new LoopStrengthReduction code, with compile time and
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.

This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.

llvm-svn: 95975
2010-02-12 10:34:29 +00:00
..
2010-02-08 22:00:06 +00:00
2010-01-16 13:38:07 +00:00
2008-05-30 22:47:19 +00:00
2009-12-09 00:56:14 +00:00