Fix long double -> uint64 conversion.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42440 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index b976195..ffb2a66 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -5398,8 +5398,12 @@
     RTLIB::Libcall LC;
     if (Node->getOperand(0).getValueType() == MVT::f32)
       LC = RTLIB::FPTOUINT_F32_I64;
-    else
+    else if (Node->getOperand(0).getValueType() == MVT::f64)
       LC = RTLIB::FPTOUINT_F64_I64;
+    else if (Node->getOperand(0).getValueType() == MVT::f80 ||
+             Node->getOperand(0).getValueType() == MVT::f128 ||
+             Node->getOperand(0).getValueType() == MVT::ppcf128)
+      LC = RTLIB::FPTOUINT_LD_I64;
     Lo = ExpandLibCall(TLI.getLibcallName(LC), Node,
                        false/*sign irrelevant*/, Hi);
     break;