[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?CAAMAÑO?= <juamarti at amd.com>,pvanhout
 <pierre.vanhoutryve at amd.com>,pvanhout <pierre.vanhoutryve at amd.com>,pvanhout
 <pierre.vanhoutryve at amd.com>,pvanhout <pierre.vanhoutryve at amd.com>,pvanhout
 <pierre.vanhoutryve at amd.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/72830 at github.com>


jayfoad wrote:

> Is there any interaction with #73122, given the change to no longer auto-adding 0 on entry?

Yes there is definitely some overlap, but given that #73122 is proving harder to complete than I thought it would be, it doesn't seem fair to make it a prerequisite for this patch.

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