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clarify a comment, thanks Duncan.

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llvm-svn: 46313
This commit is contained in:
Chris Lattner 2008-01-24 17:10:01 +00:00
parent 16a8f126d3
commit 81531125a8
1 changed files with 3 additions and 2 deletions
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5
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -607,8 +607,9 @@ void DAGCombiner::Run(bool RunningAfterLegalize) {
AddToWorkList(RV.Val);
AddUsersToWorkList(RV.Val);
// Add any uses of the old node to the worklist if they have a single
// use. They may be dead after this node is deleted.
// Add any uses of the old node to the worklist in case this node is the
// last one that uses them. They may become dead after this node is
// deleted.
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
AddToWorkList(N->getOperand(i).Val);