[llvm] [CodeGen] Support MachineFunctionProperties in PassConcept (PR #79749)

[via llvm-commits]

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@@ -43,7 +41,31 @@ extern template class AnalysisManager<MachineFunction>;
 /// automatically mixes in \c PassInfoMixin.
 template <typename DerivedT>
 struct MachinePassInfoMixin : public PassInfoMixin<DerivedT> {
-  // TODO: Add MachineFunctionProperties support.
+  // MachineFunctionProperties support
+  static MachineFunctionProperties getRequiredProperties() {
+    return MachineFunctionProperties();
+  }
+
+  static MachineFunctionProperties getSetProperties() {
+    return MachineFunctionProperties();
+  }
+
+  static MachineFunctionProperties getClearedProperties() {
+    return MachineFunctionProperties();
+  }
+};
+
+/// A CRTP mix-in that provides informational APIs needed for MachineFunction
+/// analysis passes. See also \c PassInfoMixin.
+template <typename DerivedT>
+struct MachineFunctionAnalysisInfoMixin
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paperchalice wrote:

May not, but some MachineFunction passes like StackMapLivenessAnalysis analyses and modifies machine function.

https://github.com/llvm/llvm-project/pull/79749