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3 Commits

Author SHA1 Message Date
Duncan Sands
1cd0f4637b Visit instructions deterministically. Use a FIFO so as to approximately 
visit instructions before their uses, since InstructionSimplify does a
better job in that case.  All this prompted by Frits van Bommel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 17:08:55 +00:00
Duncan Sands
e95cc25a22 If an instruction simplifies, try again to simplify any uses of it. This is 
not very important since the pass is only used for testing, but it does make
it more realistic.  Suggested by Frits van Bommel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 16:12:03 +00:00
Duncan Sands
69fdf876e1 Oops, forgot to add the pass itself! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-20 21:07:42 +00:00