We don't have any div at all - thus mark it as expensive

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70714 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/MSP430/MSP430ISelLowering.cpp

@@ -44,6 +44,11 @@ MSP430TargetLowering::MSP430TargetLowering(MSP430TargetMachine &tm) :
   // Compute derived properties from the register classes
   computeRegisterProperties();
 
+  // Provide all sorts of operation actions
+
+  // Division is expensive
+  setIntDivIsCheap(false);
+
   setOperationAction(ISD::RET, MVT::Other, Custom);
 }