[clang] Performance optimizations for function effects (nonblocking attribute etc.) (PR #96844)

[Doug Wyatt via cfe-commits]

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@@ -3857,9 +3857,19 @@ void FunctionProtoType::Profile(llvm::FoldingSetNodeID &ID, QualType Result,
   }
 
   epi.ExtInfo.Profile(ID);
-  ID.AddInteger((epi.AArch64SMEAttributes << 1) | epi.HasTrailingReturn);
 
-  epi.FunctionEffects.Profile(ID);
+  unsigned EffectCount = epi.FunctionEffects.size();
+  bool HasConds = !epi.FunctionEffects.Conditions.empty();
+
+  ID.AddInteger(
+      (EffectCount << 3) | (HasConds << 2) |
+      (epi.AArch64SMEAttributes << 1) | epi.HasTrailingReturn);
+
+  for (unsigned Idx = 0; Idx != EffectCount; ++Idx) {
+		ID.AddInteger(epi.FunctionEffects.Effects[Idx].toOpaqueInt32());
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dougsonos wrote:

Oops, I forgot to run clang-format.

https://github.com/llvm/llvm-project/pull/96844