Dan Gohman
cb41e6bf52
Use use_empty() instead of getNumUses(), avoiding a use list traversal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52651 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 23:23:49 +00:00
Owen Anderson
cd5e6dda7e
Remove debugging code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51666 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-29 08:15:48 +00:00
Owen Anderson
0db198d758
Clean ups for loop deletion based on Chris' feedback.
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Also, use SCEV to determine the trip count of the loop, which is more powerful
and accurate that Loop::getTripCount.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51179 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-16 04:32:45 +00:00
Dan Gohman
844731a7f1
Clean up the use of static and anonymous namespaces. This turned up
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several things that were neither in an anonymous namespace nor static
but not intended to be global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-13 00:00:25 +00:00
Gordon Henriksen
a8a118b68f
Improve pass documentation and comments.
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Patch by Matthijs Kooijman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50861 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-08 17:46:35 +00:00
Owen Anderson
8b23bb792e
We need to update PHIs containing the exiting block, not the exit block. We really should come up with better names for these.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50770 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 20:55:16 +00:00
Owen Anderson
5023aa58ca
This condition got inverted accidentally.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50473 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30 07:16:33 +00:00
Owen Anderson
9862f31533
A lot of cleanups and documentation improvements, as well as a few corner case fixes. Most
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of this was suggested by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50441 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29 20:59:33 +00:00
Owen Anderson
0396cd33ca
Rename DeadLoopElimination to LoopDeletion, part 2.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50437 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29 20:06:54 +00:00
Owen Anderson
d6864fee97
Rename DeadLoopElimination to LoopDeletion, part one.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50436 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29 19:58:07 +00:00
