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10 Commits

Author SHA1 Message Date
Dan Gohman 45774ce0ad 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
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Dan Gohman f9dd170e36 Convert tests using "| wc -l | grep ..." to use the count script. 
llvm-svn: 41097
 2007-08-15 13:36:28 +00:00
Evan Cheng 9ae2eb43d8 Use push / pop for prologues and epilogues. 
llvm-svn: 39967
 2007-07-17 07:59:08 +00:00
Chris Lattner f69ab9475c refix this 
llvm-svn: 36172
 2007-04-16 21:30:21 +00:00
Evan Cheng 6ccf9a8362 One more callee-saved register used. 
llvm-svn: 36151
 2007-04-16 18:59:25 +00:00
Reid Spencer 1c75ef2ce2 For PR1319: Upgrade to new test harness. 
llvm-svn: 36091
 2007-04-15 22:20:47 +00:00
Evan Cheng 8f61b79d60 Better still. 
llvm-svn: 35663
 2007-04-04 08:49:40 +00:00
Evan Cheng ee06655d6b These got better. 
llvm-svn: 35661
 2007-04-04 07:41:15 +00:00
Chris Lattner d1440c429f add a testcase for x86 
llvm-svn: 35516
 2007-03-30 21:22:46 +00:00