Fix CodeGen/Generic/2005-10-21-longlonggtu.ll on ia64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51634 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/IA64/IA64ISelLowering.cpp b/lib/Target/IA64/IA64ISelLowering.cpp
index bcce7e6..dbf205d 100644
--- a/lib/Target/IA64/IA64ISelLowering.cpp
+++ b/lib/Target/IA64/IA64ISelLowering.cpp
@@ -530,7 +530,8 @@
     case MVT::f32:
       RetVal = DAG.getCopyFromReg(Chain, IA64::F8, MVT::f64, InFlag);
       Chain = RetVal.getValue(1);
-      RetVal = DAG.getNode(ISD::TRUNCATE, MVT::f32, RetVal);
+      RetVal = DAG.getNode(ISD::FP_ROUND, MVT::f32, RetVal,
+                           DAG.getIntPtrConstant(0));
       break;
     case MVT::f64:
       RetVal = DAG.getCopyFromReg(Chain, IA64::F8, MVT::f64, InFlag);