Expand few nodes until someone will be crazy enough to implement them natively :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79659 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index 2022ec0..ef60536 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -126,11 +126,15 @@
   setOperationAction(ISD::SELECT_CC,        MVT::f32, Custom);
   setOperationAction(ISD::SELECT_CC,        MVT::f64, Custom);
 
-  // Funny enough: we don't have 64-bit signed versions of these stuff, but have
-  // unsigned.
   setOperationAction(ISD::MULHS,            MVT::i64, Expand);
   setOperationAction(ISD::SMUL_LOHI,        MVT::i64, Expand);
 
+  // FIXME: Can we support these natively?
+  setOperationAction(ISD::UMUL_LOHI,        MVT::i64, Expand);
+  setOperationAction(ISD::SRL_PARTS,        MVT::i64, Expand);
+  setOperationAction(ISD::SHL_PARTS,        MVT::i64, Expand);
+  setOperationAction(ISD::SRA_PARTS,        MVT::i64, Expand);
+
   // Lower some FP stuff
   setOperationAction(ISD::FSIN,             MVT::f32, Expand);
   setOperationAction(ISD::FSIN,             MVT::f64, Expand);