[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Chris Lattner]

> Implement the llvm.bit.part_select.iN.iN.iN overloaded intrinsic.

Urr?  This is obviously incorrect.  I'd much rather have the code  
generator assert and die on an unsupported intrinsic than to  
miscompile it silently.

-Chris

>
> ---
> Diffs of the changes:  (+5 -0)
>
>  SelectionDAGISel.cpp |    5 +++++
>  1 files changed, 5 insertions(+)
>
>
> Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
> diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.402  
> llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.403
> --- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.402	Wed  
> Apr  4 16:14:49 2007
> +++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp	Wed Apr  4  
> 18:48:25 2007
> @@ -2438,6 +2438,11 @@
>      DAG.setRoot(Tmp.getValue(1));
>      return 0;
>    }
> +  case Intrinsic::bit_part_select: {
> +    MVT::ValueType Ty = getValue(I.getOperand(1)).getValueType();
> +    setValue(&I, DAG.getTargetConstant(0, Ty));
> +    return 0;
> +  }
>    case Intrinsic::bswap:
>      setValue(&I, DAG.getNode(ISD::BSWAP,
>                               getValue(I.getOperand(1)).getValueType 
> (),
>
>
>
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