Added FPOW, FEXP, FLOG to PromoteNode so that custom actions can be set to Promote for those operations.

Sorry, no test case yet


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148050 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4c5bb9e..463a55d 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3592,6 +3592,24 @@
                                   Tmp1, Tmp2, Node->getOperand(2)));
     break;
   }
+  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);
+    Results.push_back(DAG.getNode(ISD::FP_ROUND, dl, OVT,
+                                  Tmp3, DAG.getIntPtrConstant(0)));
+    break;
+  }
+  case ISD::FLOG2:
+  case ISD::FEXP2:
+  case ISD::FLOG:
+  case ISD::FEXP: {
+    Tmp1 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(0));
+    Tmp2 = DAG.getNode(Node->getOpcode(), dl, NVT, Tmp1);
+    Results.push_back(DAG.getNode(ISD::FP_ROUND, dl, OVT,
+                                  Tmp2, DAG.getIntPtrConstant(0)));
+    break;
+  }
   }
 
   // Replace the original node with the legalized result.