Add a RemoveFromWorklist method to DCI. This is needed to do some complicated
transformations in target-specific DAG combines without causing DAGCombiner to
delete the same node twice. If you know of a better way to avoid this (see my
next patch for an example), please let me know.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128758 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index f9f8985..a9afec8 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -319,6 +319,10 @@
((DAGCombiner*)DC)->AddToWorkList(N);
}
+void TargetLowering::DAGCombinerInfo::RemoveFromWorklist(SDNode *N) {
+ ((DAGCombiner*)DC)->removeFromWorkList(N);
+}
+
SDValue TargetLowering::DAGCombinerInfo::
CombineTo(SDNode *N, const std::vector<SDValue> &To, bool AddTo) {
return ((DAGCombiner*)DC)->CombineTo(N, &To[0], To.size(), AddTo);