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authorHal Finkel <hfinkel@anl.gov>2012-04-16 03:33:22 +0000
committerHal Finkel <hfinkel@anl.gov>2012-04-16 03:33:22 +0000
commit31490baf38680012000890dcb11ac4914ec94911 (patch)
tree1f55e887007a2ccae6fd93aadc091af690d4680c /lib
parent70daea90afc167a010a1851defda01d7e0eb45eb (diff)
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Remove dead SD nodes after the combining pass. Fixes PR12201.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154786 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/CodeGen/SelectionDAG/DAGCombiner.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index d1b998f8d8..0914c66276 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1080,6 +1080,7 @@ void DAGCombiner::Run(CombineLevel AtLevel) {
// If the root changed (e.g. it was a dead load, update the root).
DAG.setRoot(Dummy.getValue());
+ DAG.RemoveDeadNodes();
}
SDValue DAGCombiner::visit(SDNode *N) {