[llvm] [GlobalISel] Lower ptr/int bitcasts to INTTOPTR/PTRTOINT in IRTranslator (PR #196125)

[Matt Arsenault via llvm-commits]

https://github.com/arsenm commented:

Is this unique to the new byte type? Was this intentional? I'm surprised this bitcast is allowed in the IR. the gMIR rules shouldn't deviate from the IR here 

https://github.com/llvm/llvm-project/pull/196125