Fix a bug in PPCTargetLowering::isLegalAddressingMode, scales other than 0/1/2

are always unsupported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35835 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/PowerPC/PPCISelLowering.cpp

@@ -3389,6 +3389,9 @@ bool PPCTargetLowering::isLegalAddressingMode(const AddrMode &AM,
       return false;
     // Allow 2*r as r+r.
     break;
+  default:
+    // No other scales are supported.
+    return false;
   }
   
   return true;