[llvm] AMDGPU: Assume true in getVOPNIsSingle helpers (PR #98516)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> This seems like a contradiction to me, and is asking for a different kind of fix. But if you want to fix it this way, can you add a test, so someone else doesn't come along and try to switch it back later?

The situation is a mess. We have isCodeGenOnly and isAsmParserOnly, so you can construct printable but not disassembled pseudo instructions. I can't test this directly but it will break all the codegen and disassembler tests in a future commit 


https://github.com/llvm/llvm-project/pull/98516