Chris Lattner
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f6236cc2e9
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Use the new SplitBlockPredecessors to implement a todo.
llvm-svn: 50022
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2008-04-21 02:57:57 +00:00 |
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Chris Lattner
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ff1c6e388c
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finish the first cut of a jump threading pass implementation.
llvm-svn: 50006
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2008-04-20 22:39:42 +00:00 |
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Chris Lattner
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9c1f1a82bf
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we can only thread blocks when there is a pred we can determine the succ of.
llvm-svn: 50003
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2008-04-20 21:18:09 +00:00 |
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Chris Lattner
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2115722ffa
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improve comments, infrastructure, and add some validity checks for threading.
Add a cost function.
llvm-svn: 50002
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2008-04-20 21:13:06 +00:00 |
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Chris Lattner
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b3b6007c8b
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Add a new Jump Threading pass, which will handle cases
such as those in PR2235. Right now the pass is not very
effective. :)
llvm-svn: 50000
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2008-04-20 20:35:01 +00:00 |