[llvm] [ASAN][AMDGPU] NFC. Add CodeGen tests. (PR #73857)

[Valery Pykhtin via llvm-commits]

vpykhtin wrote:

Ok, but cases in my tests are already covered by existing tests, so I'll better drop this PR and remove it from https://github.com/llvm/llvm-project/pull/72247.

https://github.com/llvm/llvm-project/pull/73857