[llvm-commits] [llvm] r72941 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp

[Duncan Sands]

Hi Sanjiv,

> Allow libcalls for i16 sdiv/udiv/rem operations.

please factor out into helper methods that get the right
SDIV/SREM for the type, along the lines of RTLIB::getFPROUND.
Please modify LegalizeDAG.cpp to use the helpers also.

Thanks,

Duncan.

> ==============================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Fri Jun  5 09:41:10 2009
> @@ -1746,7 +1746,9 @@
>    DebugLoc dl = N->getDebugLoc();
>  
>    RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
> -  if (VT == MVT::i32)
> +  if (VT == MVT::i16)
> +    LC = RTLIB::SDIV_I16;
> +  else if (VT == MVT::i32)
>      LC = RTLIB::SDIV_I32;
>    else if (VT == MVT::i64)
>      LC = RTLIB::SDIV_I64;
> @@ -1908,7 +1910,9 @@
>    DebugLoc dl = N->getDebugLoc();
>  
>    RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
> -  if (VT == MVT::i32)
> +  if (VT == MVT::i16)
> +    LC = RTLIB::SREM_I16;
> +  else if (VT == MVT::i32)
>      LC = RTLIB::SREM_I32;
>    else if (VT == MVT::i64)
>      LC = RTLIB::SREM_I64;
> @@ -1937,7 +1941,9 @@
>    DebugLoc dl = N->getDebugLoc();
>  
>    RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
> -  if (VT == MVT::i32)
> +  if (VT == MVT::i16)
> +    LC = RTLIB::UDIV_I16;
> +  else if (VT == MVT::i32)
>      LC = RTLIB::UDIV_I32;
>    else if (VT == MVT::i64)
>      LC = RTLIB::UDIV_I64;
> @@ -1955,7 +1961,9 @@
>    DebugLoc dl = N->getDebugLoc();
>  
>    RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
> -  if (VT == MVT::i32)
> +  if (VT == MVT::i16)
> +    LC = RTLIB::UREM_I16;
> +  else if (VT == MVT::i32)
>      LC = RTLIB::UREM_I32;
>    else if (VT == MVT::i64)
>      LC = RTLIB::UREM_I64;
> 
> 
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