llvm-project

b8e1d4db - [AMDGPU] prevent shrinking udiv/urem if either operand is in (SignedMax,UnsignedMax] (#116733)

[AMDGPU] prevent shrinking udiv/urem if either operand is in (SignedMax,UnsignedMax] (#116733) Do this by using ComputeKnownBits and checking for !isNonNegative and isUnsigned. This rejects shrinking unsigned div/rem if operands exceed smax_bitwidth since we know NumSignBits will be always 0.