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8 Commits

Author SHA1 Message Date
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
Dan Gohman
df2896d609 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Dale Johannesen
f5a072c388 Make LoopStrengthReduce smarter about hoisting things out of 
loops when they can be subsumed into addressing modes.

Change X86 addressing mode check to realize that
some PIC references need an extra register.
(I believe this is correct for Linux, if not, I'm sure
someone will tell me.)

llvm-svn: 60608
 2008-12-05 21:47:27 +00:00
Chris Lattner
72db9f8bdd this doesn't need EH 
llvm-svn: 60066
 2008-11-26 00:03:26 +00:00
Tanya Lattner
8116db05a6 Remove llvm-upgrade and update tests. 
llvm-svn: 47432
 2008-02-21 07:42:26 +00:00
Dan Gohman
794fa1f8f7 Convert tests using "| wc -l | grep ..." to use the count script. 
llvm-svn: 41097
 2007-08-15 13:36:28 +00:00
Reid Spencer
9d19c17dab For PR1319: Upgrade to new test harness. 
llvm-svn: 36091
 2007-04-15 22:20:47 +00:00
Reid Spencer
4572ce85b0 Regression is gone, don't try to find it on clean target. 
llvm-svn: 33296
 2007-01-17 07:59:14 +00:00