[LegalizeTypes] Remove manual worklist management from SoftenFloatRes_FP_EXTEND.

I think this is no longer needed. The system should take care
of legalizing any new nodes that are added. I think this might
have been needed prior to r371709 or r307053.

3 files changed, 2 insertions, 9 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index 8f10c60d505..686bdbef9a6 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -477,9 +477,6 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_FP_EXTEND(SDNode *N) {
     } else {
       Op = DAG.getNode(ISD::FP_EXTEND, SDLoc(N), MVT::f32, Op);
     }
-
-    if (getTypeAction(MVT::f32) == TargetLowering::TypeSoftenFloat)
-      AddToWorklist(Op.getNode());
   }
 
   if (getTypeAction(Op.getValueType()) == TargetLowering::TypePromoteFloat) {
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
index 7a97d980f9e..63ddb59fce6 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -204,7 +204,8 @@ bool DAGTypeLegalizer::run() {
   // non-leaves.
   for (SDNode &Node : DAG.allnodes()) {
     if (Node.getNumOperands() == 0) {
-      AddToWorklist(&Node);
+      Node.setNodeId(ReadyToProcess);
+      Worklist.push_back(&Node);
     } else {
       Node.setNodeId(Unanalyzed);
     }
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 42597fcd12e..cf777540039 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -225,11 +225,6 @@ private:
   void SplitInteger(SDValue Op, EVT LoVT, EVT HiVT,
                     SDValue &Lo, SDValue &Hi);
 
-  void AddToWorklist(SDNode *N) {
-    N->setNodeId(ReadyToProcess);
-    Worklist.push_back(N);
-  }
-
   //===--------------------------------------------------------------------===//
   // Integer Promotion Support: LegalizeIntegerTypes.cpp
   //===--------------------------------------------------------------------===//