LACSO/LACSI cripple DLIR removal of WL from loopfun in apex b/m downgradePV.sac
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Bugzilla Link |
1029 |
Created on |
Oct 04, 2012 23:00 |
Resolution |
FIXED |
Resolved on |
Nov 08, 2012 22:57 |
Version |
svn |
OS |
Linux |
Architecture |
PC |
Attachments |
upgradePV.sac, downgradePV.sac
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Extended Description
Created an attachment (id=934)
source code to reproduce fault
sac2c -V
sac2c v1.00-beta (Haggis And Apple)
product rev 18243:MODIFIED linux-gnu_x86_64
(Thu Oct 4 15:24:40 EDT 2012 by sac)
sac2c downgradePV.sac -v1 -O3 -dolacsi -dolacso -bopt >crud
shows a loop-invariant WL sitting quietly inside the loopfun,
making the whole shebang run a brazillion times slower.