[llvm-commits] CVS: llvm/include/llvm/CodeGen/CallingConvLower.h SelectionDAG.h SelectionDAGNodes.h ValueTypes.h

[Chris Lattner]

On Jun 25, 2007, at 11:02 PM, Chris Lattner wrote:

>> +  /// MVT::isExtendedValueType - Test if the given ValueType is  
>> extended
>> +  /// (as opposed to being simple).
>> +  static inline bool isExtendedValueType(ValueType VT) {
>> +    return VT & ~SimpleTypeMask;
>>    }

Oh, one other thing.  Empirically, GCC is not optimizing this to VT >  
255, which hurts on ppc and probably other targets (as this is often  
inlined into if conditions).  Since this is frequently executed,  
could you please manual do this xform?

yes, llvm does get this right. :)

-Chris