f16 FDIV can now be legalized by promoting to f32

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153064 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index c6167aa3aac34718ebdd57712650616d85054d27..1b84b1348bc2515a04d4e655aaec403475efc7e1 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3600,10 +3600,11 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node) {
                                   Tmp1, Tmp2, Node->getOperand(2)));
     break;
   }
+  case ISD::FDIV:
   case ISD::FPOW: {
     Tmp1 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(0));
     Tmp2 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(1));
-    Tmp3 = DAG.getNode(ISD::FPOW, dl, NVT, Tmp1, Tmp2);
+    Tmp3 = DAG.getNode(Node->getOpcode(), dl, NVT, Tmp1, Tmp2);
     Results.push_back(DAG.getNode(ISD::FP_ROUND, dl, OVT,
                                   Tmp3, DAG.getIntPtrConstant(0)));
     break;