[llvm-branch-commits] [GISelValueTracking] Use representation size for G_PTRTOINT src width (PR #139608)

[Alexander Richardson via llvm-branch-commits]

arichardson wrote:

Now that we use the full bitwidth the high KnownBits are no longer zext'ed to zeroes. But maybe the better approahc would be to just do KnownBits on the address bits and set the high bits to unknown?

That should fix the issue as well?

https://github.com/llvm/llvm-project/pull/139608