Use i64 on a PPC64 machine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41590 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 5b738a5..f2de2a3 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -3466,7 +3466,7 @@
 
   if (isPPC64)
     return DAG.getCopyFromReg(DAG.getEntryNode(), is31 ? PPC::X31 : PPC::X1,
-      MVT::i32);
+      MVT::i64);
   else
     return DAG.getCopyFromReg(DAG.getEntryNode(), is31 ? PPC::R31 : PPC::R1,
       MVT::i32);