[llvm-commits] llvm-gcc: sign matters for EXACT_DIV_EXPR

[Chris Lattner]

Applied, thanks!

On Jan 15, 2007, at 9:09 AM, Duncan Sands wrote:

> EXACT_DIV_EXPR can be used on signed operands, so it is wrong to  
> always
> turn it into UDiv.  Since EXACT_DIV_EXPR always gives the same  
> result as
> TRUNC_DIV_EXPR (it exists in gcc because it might give that result  
> faster
> on some targets, not because it gives a different result), it is  
> pointless
> to distinguish between the two in LLVM.