[llvm] [LICM] Hoisting writeonly calls (PR #143799)

[Jiachen Wang via llvm-commits]

WanderingAura wrote:

> It looks like a writeonly function is getting hoisting in CodeGen/AMDGPU/loop_exit_with_xor.ll and I'm not sure if it's incorrect behaviour.

I've assumed that it's correct behaviour and changed the test accordingly. I'd appreciate it if someone knowledgeable about the AMDGPU backend can have a look to check.


https://github.com/llvm/llvm-project/pull/143799