[llvm] [AMDGPU] Correctly insert s_nops for dst forwarding hazard (PR #100276)

[Jeffrey Byrnes via llvm-commits]

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@@ -2904,6 +2905,15 @@ def getVCMPXOpFromVCMP : InstrMapping {
   let ValueCols = [["1"]];
 }
 
+def FP8DstByteSelTable : GenericTable {
+  let FilterClass = "VOP3_Pseudo";
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jrbyrnes wrote:

We need to resolve hazard for mi300 and mi350 (at least). For gfx12 I think there is no issue, but `HasFP8DstByteSel` should be consistent -- it's behavior shouldn't be reliant upon the current users of it.

I've resolved the inconsistency by modifying VOP3_CVT_SR_F8_ByteSel_Profile

https://github.com/llvm/llvm-project/pull/100276