Chris Lattner
420385f8c3
Factor some code into a new FoldSingleEntryPHINodes method.
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llvm-svn: 60501
2008-12-03 19:44:02 +00:00
Duncan Sands
8f296a3788
Add <cstdio> include where needed by gcc-4.4.
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Patch by Samuel Tardieu.
llvm-svn: 57291
2008-10-08 07:23:46 +00:00
Dan Gohman
b9384c5e87
Revert 52645, the loop unroller changes. It caused a regression in 252.eon.
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llvm-svn: 52688
2008-06-24 20:44:42 +00:00
Dan Gohman
7f6ee1cd4b
Revamp the loop unroller, extending it to correctly update PHI nodes
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in the presence of out-of-loop users of in-loop values and the trip
count is not a known multiple of the unroll count, and to be a bit
simpler overall. This fixes PR2253.
llvm-svn: 52645
2008-06-23 21:29:41 +00:00
Dan Gohman
4dc39991f8
Split the loop unroll mechanism logic out into a utility function.
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Patch by Matthijs Kooijman!
llvm-svn: 51083
2008-05-14 00:24:14 +00:00
