[llvm] [X86] Respect blockaddress offsets when performing X86 LEA fixups (PR #71641)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

> I tried to minimize my test case as much as possible. Now, the IR code does not really match the MIR code anymore. However, I was not able to remove it, as the blockaddress in MIR has a reference to an IR BB. I'm sure there is a way to rewrite that, but I didn't know how :D

> I don't think there is one and I have not created one myself. Should I do so?

I think it would be good to create an issue and comment the IR cannot demonstrate the issue by itself in the test case.

https://github.com/llvm/llvm-project/pull/71641