[llvm] [AMDGPU] Cache calls to `getCanBeVOPD` (PR #199714)

[Stanislav Mekhanoshin via llvm-commits]

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@@ -169,18 +169,32 @@ bool llvm::checkVOPDRegConstraints(const SIInstrInfo &TII,
   return true;
 }
 
+static AMDGPU::CanBeVOPD cachedGetCanBeVOPD(unsigned Opc,
+                                            unsigned EncodingFamily,
+                                            bool IsVOPD3,
+                                            CanBeVOPDCache &Cache) {
+  return Cache
+      .try_emplace((Opc << 1) | IsVOPD3,
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rampitec wrote:

Yes

https://github.com/llvm/llvm-project/pull/199714