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

[Jay Foad via llvm-commits]

Juan Manuel MARTINEZ =?utf-8?q?CAAMA=C3=91O?= <juamarti at amd.com>,pvanhout
 <pierre.vanhoutryve at amd.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/72830 at github.com>


jayfoad wrote:

> Original patch by @jmmartinez : #65735

I had a bunch of outstanding comments on that PR.

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