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Revert r132871.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132872 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2011-06-11 02:27:46 +00:00
parent e4c705667b
commit 8c1ec5a0a2
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -1175,7 +1175,7 @@ TargetLowering::TargetLoweringOpt::ShrinkDemandedOp(SDValue Op,
} }
/// SimplifyDemandedBits - Look at Op. At this point, we know that only the /// SimplifyDemandedBits - Look at Op. At this point, we know that only the
/// DemandedMask bits of the result of Op are never used downstream. If we can /// DemandedMask bits of the result of Op are ever used downstream. If we can
/// use this information to simplify Op, create a new simplified DAG node and /// use this information to simplify Op, create a new simplified DAG node and
/// return true, returning the original and new nodes in Old and New. Otherwise, /// return true, returning the original and new nodes in Old and New. Otherwise,
/// analyze the expression and return a mask of KnownOne and KnownZero bits for /// analyze the expression and return a mask of KnownOne and KnownZero bits for