commit 68ac09d5cbca225912df7adba73f3c8a18e67e08
author Chris Lattner <sabre@nondot.org> Mon Mar 13 18:37:30 2006 +0000
committer Chris Lattner <sabre@nondot.org> Mon Mar 13 18:37:30 2006 +0000
tree 2a564026ef6395801de553ab2c445d3447491be4
parent 611f9658204e036515569e57653e3a3d1b165771

make sure dead token factor nodes are removed by the dag combiner.

llvm-svn: 26731

llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 33b046c..b388d83 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -665,6 +665,7 @@
   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
     SDOperand Op = N->getOperand(i);
     if (Op.getOpcode() == ISD::TokenFactor && Op.hasOneUse()) {
+      AddToWorkList(Op.Val);  // Remove dead node.
       Changed = true;
       for (unsigned j = 0, e = Op.getNumOperands(); j != e; ++j)
         Ops.push_back(Op.getOperand(j));