Author: lattner
Date: Thu Jan 24 11:10:01 2008
New Revision: 46313
URL: http://llvm.org/viewvc/llvm-project?rev=46313&view=rev
Log:
clarify a comment, thanks Duncan.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=46313&r1=46312&r2=46313&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Thu Jan 24 11:10:01 2008
@@ -607,8 +607,9 @@
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);
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