[llvm-commits] [llvm] r45470 - in /llvm/trunk: include/llvm/Target/ lib/CodeGen/ lib/CodeGen/SelectionDAG/ lib/Target/ARM/ lib/Target/Alpha/ lib/Target/CellSPU/ lib/Target/IA64/ lib/Target/Mips/ lib/Target/PowerPC/ lib/Target/Sparc/ lib/Target/X86/

[Bill Wendling]

Hi Owen,

> ====================================================================== 
> ========
> --- llvm/trunk/include/llvm/Target/TargetInstrInfo.h (original)
> +++ llvm/trunk/include/llvm/Target/TargetInstrInfo.h Mon Dec 31  
> 00:32:00 2007
> @@ -458,6 +458,15 @@
>      return 0;
>    }
>
> +  /// copyRegToReg - Add a copy between a pair of registers
> +  virtual void copyRegToReg(MachineBasicBlock &MBB,
> +                            MachineBasicBlock::iterator MI,
> +                            unsigned DestReg, unsigned SrcReg,
> +                            const TargetRegisterClass *DestRC,
> +                            const TargetRegisterClass *SrcRC) const {
> +    assert(0 && "Target didn't implement  
> TargetInstrInfo::copyRegToReg!");
> +  }
> +
>    /// BlockHasNoFallThrough - Return true if the specified block  
> does not
>    /// fall-through into its successor block.  This is primarily  
> used when a
>    /// branch is unanalyzable.  It is useful for things like  
> unconditional
>
Is there any reason not to make this a pure virtual function?

Just wondering. :-)

-bw