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| author | Chris Lattner <sabre@nondot.org> | 2006-03-13 18:37:30 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-03-13 18:37:30 +0000 |
| commit | ac0f8f29290ff018d51ce58bd11be13ab148e698 (patch) | |
| tree | 47bb182a90ada120f4ece3fa3168135f7dbd9b24 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | a1364294620cd9e2478b1f8368ec0a809991f69f (diff) | |
make sure dead token factor nodes are removed by the dag combiner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26731 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 33b046c367..b388d830f3 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -665,6 +665,7 @@ SDOperand DAGCombiner::visitTokenFactor(SDNode *N) { 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)); |