[llvm] [AMDGPU][SIInsertWaitcnts] Do not add s_waitcnt when the counters are known to be 0 already (PR #72830)

[Pierre van Houtryve via llvm-commits]

Juan Manuel MARTINEZ =?utf-8?q?CAAMAÑO?= <juamarti at amd.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/72830 at github.com>


Pierre-vh wrote:

(Apologies for the noise but I rebased again and squashed commits as well. There are now 2 commits in this PR, one has a separate review.)


https://github.com/llvm/llvm-project/pull/72830