Mark rotl/rotr as expand. This generates pretty ugly code, but this is better than nothing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71976 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp
index 387cebf..14db20e 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -73,6 +73,10 @@
   setOperationAction(ISD::SRA,              MVT::i16,   Custom);
   setOperationAction(ISD::SHL,              MVT::i16,   Custom);
   setOperationAction(ISD::SRL,              MVT::i16,   Custom);
+  setOperationAction(ISD::ROTL,             MVT::i8,    Expand);
+  setOperationAction(ISD::ROTR,             MVT::i8,    Expand);
+  setOperationAction(ISD::ROTL,             MVT::i16,   Expand);
+  setOperationAction(ISD::ROTR,             MVT::i16,   Expand);
   setOperationAction(ISD::RET,              MVT::Other, Custom);
   setOperationAction(ISD::GlobalAddress,    MVT::i16,   Custom);
   setOperationAction(ISD::ExternalSymbol,   MVT::i16,   Custom);