[NewPM] Remove MachinePassInfoMixin (#88243)

Unify the inheritance paths of IR and machine function.

Author: paperchalice

llvm/include/llvm/CodeGen/DeadMachineInstructionElim.h

@@ -14,7 +14,7 @@
 namespace llvm {
 
 class DeadMachineInstructionElimPass
-    : public MachinePassInfoMixin<DeadMachineInstructionElimPass> {
+    : public PassInfoMixin<DeadMachineInstructionElimPass> {
 public:
   PreservedAnalyses run(MachineFunction &MF,
                         MachineFunctionAnalysisManager &MFAM);

llvm/include/llvm/CodeGen/FreeMachineFunction.h

@@ -13,8 +13,7 @@
 
 namespace llvm {
 
-class FreeMachineFunctionPass
-    : public MachinePassInfoMixin<FreeMachineFunctionPass> {
+class FreeMachineFunctionPass : public PassInfoMixin<FreeMachineFunctionPass> {
 public:
   PreservedAnalyses run(MachineFunction &MF,
                         MachineFunctionAnalysisManager &MFAM);

llvm/include/llvm/CodeGen/MIRPrinter.h

@@ -24,15 +24,15 @@ class MachineFunction;
 class Module;
 template <typename T> class SmallVectorImpl;
 
-class PrintMIRPreparePass : public MachinePassInfoMixin<PrintMIRPreparePass> {
+class PrintMIRPreparePass : public PassInfoMixin<PrintMIRPreparePass> {
   raw_ostream &OS;
 
 public:
   PrintMIRPreparePass(raw_ostream &OS = errs()) : OS(OS) {}
   PreservedAnalyses run(Module &M, ModuleAnalysisManager &MFAM);
 };
 
-class PrintMIRPass : public MachinePassInfoMixin<PrintMIRPass> {
+class PrintMIRPass : public PassInfoMixin<PrintMIRPass> {
   raw_ostream &OS;
 
 public:

llvm/include/llvm/CodeGen/MachinePassManager.h

@@ -36,65 +36,6 @@ class MachineFunction;
 extern template class AnalysisManager<MachineFunction>;
 using MachineFunctionAnalysisManager = AnalysisManager<MachineFunction>;
 
-/// A CRTP mix-in that provides informational APIs needed for machine passes.
-///
-/// This provides some boilerplate for types that are machine passes. It
-/// automatically mixes in \c PassInfoMixin.
-template <typename DerivedT>
-struct MachinePassInfoMixin : public PassInfoMixin<DerivedT> {
-protected:
-  class PropertyChanger {
-    MachineFunction &MF;
-
-    template <typename T>
-    using has_get_required_properties_t =
-        decltype(std::declval<T &>().getRequiredProperties());
-
-    template <typename T>
-    using has_get_set_properties_t =
-        decltype(std::declval<T &>().getSetProperties());
-
-    template <typename T>
-    using has_get_cleared_properties_t =
-        decltype(std::declval<T &>().getClearedProperties());
-
-  public:
-    PropertyChanger(MachineFunction &MF) : MF(MF) {
-#ifndef NDEBUG
-      if constexpr (is_detected<has_get_required_properties_t,
-                                DerivedT>::value) {
-        auto &MFProps = MF.getProperties();
-        auto RequiredProperties = DerivedT::getRequiredProperties();
-        if (!MFProps.verifyRequiredProperties(RequiredProperties)) {
-          errs() << "MachineFunctionProperties required by " << DerivedT::name()
-                 << " pass are not met by function " << MF.getName() << ".\n"
-                 << "Required properties: ";
-          RequiredProperties.print(errs());
-          errs() << "\nCurrent properties: ";
-          MFProps.print(errs());
-          errs() << '\n';
-          report_fatal_error("MachineFunctionProperties check failed");
-        }
-      }
-#endif
-    }
-
-    ~PropertyChanger() {
-      if constexpr (is_detected<has_get_set_properties_t, DerivedT>::value)
-        MF.getProperties().set(DerivedT::getSetProperties());
-      if constexpr (is_detected<has_get_cleared_properties_t, DerivedT>::value)
-        MF.getProperties().reset(DerivedT::getClearedProperties());
-    }
-  };
-
-public:
-  PreservedAnalyses runImpl(MachineFunction &MF,
-                            MachineFunctionAnalysisManager &MFAM) {
-    PropertyChanger PC(MF);
-    return static_cast<DerivedT *>(this)->run(MF, MFAM);
-  }
-};
-
 namespace detail {
 
 template <typename PassT>
@@ -117,8 +58,44 @@ struct MachinePassModel
   MachinePassModel &operator=(const MachinePassModel &) = delete;
   PreservedAnalyses run(MachineFunction &IR,
                         MachineFunctionAnalysisManager &AM) override {
-    return this->Pass.runImpl(IR, AM);
+#ifndef NDEBUG
+    if constexpr (is_detected<has_get_required_properties_t, PassT>::value) {
+      auto &MFProps = IR.getProperties();
+      auto RequiredProperties = PassT::getRequiredProperties();
+      if (!MFProps.verifyRequiredProperties(RequiredProperties)) {
+        errs() << "MachineFunctionProperties required by " << PassT::name()
+               << " pass are not met by function " << IR.getName() << ".\n"
+               << "Required properties: ";
+        RequiredProperties.print(errs());
+        errs() << "\nCurrent properties: ";
+        MFProps.print(errs());
+        errs() << '\n';
+        report_fatal_error("MachineFunctionProperties check failed");
+      }
+    }
+#endif
+
+    auto PA = this->Pass.run(IR, AM);
+
+    if constexpr (is_detected<has_get_set_properties_t, PassT>::value)
+      IR.getProperties().set(PassT::getSetProperties());
+    if constexpr (is_detected<has_get_cleared_properties_t, PassT>::value)
+      IR.getProperties().reset(PassT::getClearedProperties());
+    return PA;
   }
+
+private:
+  template <typename T>
+  using has_get_required_properties_t =
+      decltype(std::declval<T &>().getRequiredProperties());
+
+  template <typename T>
+  using has_get_set_properties_t =
+      decltype(std::declval<T &>().getSetProperties());
+
+  template <typename T>
+  using has_get_cleared_properties_t =
+      decltype(std::declval<T &>().getClearedProperties());
 };
 } // namespace detail
 
@@ -246,20 +223,15 @@ createModuleToMachineFunctionPassAdaptor(MachineFunctionPassT &&Pass) {
 template <>
 template <typename PassT>
 void PassManager<MachineFunction>::addPass(PassT &&Pass) {
-  using PassModelT =
-      detail::PassModel<MachineFunction, PassT, MachineFunctionAnalysisManager>;
   using MachinePassModelT = detail::MachinePassModel<PassT>;
   // Do not use make_unique or emplace_back, they cause too many template
   // instantiations, causing terrible compile times.
-  if constexpr (std::is_base_of_v<MachinePassInfoMixin<PassT>, PassT>) {
-    Passes.push_back(std::unique_ptr<PassConceptT>(
-        new MachinePassModelT(std::forward<PassT>(Pass))));
-  } else if constexpr (std::is_same_v<PassT, PassManager<MachineFunction>>) {
+  if constexpr (std::is_same_v<PassT, PassManager<MachineFunction>>) {
     for (auto &P : Pass.Passes)
       Passes.push_back(std::move(P));
   } else {
-    Passes.push_back(std::unique_ptr<PassConceptT>(
-        new PassModelT(std::forward<PassT>(Pass))));
+    Passes.push_back(std::unique_ptr<MachinePassModelT>(
+        new MachinePassModelT(std::forward<PassT>(Pass))));
   }
 }
 

llvm/include/llvm/Passes/CodeGenPassBuilder.h

@@ -87,14 +87,14 @@ namespace llvm {
     }                                                                          \
   };
 #define DUMMY_MACHINE_MODULE_PASS(NAME, PASS_NAME)                             \
-  struct PASS_NAME : public MachinePassInfoMixin<PASS_NAME> {                  \
+  struct PASS_NAME : public PassInfoMixin<PASS_NAME> {                         \
     template <typename... Ts> PASS_NAME(Ts &&...) {}                           \
     PreservedAnalyses run(Module &, ModuleAnalysisManager &) {                 \
       return PreservedAnalyses::all();                                         \
     }                                                                          \
   };
 #define DUMMY_MACHINE_FUNCTION_PASS(NAME, PASS_NAME)                           \
-  struct PASS_NAME : public MachinePassInfoMixin<PASS_NAME> {                  \
+  struct PASS_NAME : public PassInfoMixin<PASS_NAME> {                         \
     template <typename... Ts> PASS_NAME(Ts &&...) {}                           \
     PreservedAnalyses run(MachineFunction &,                                   \
                           MachineFunctionAnalysisManager &) {                  \

llvm/include/llvm/Passes/PassBuilder.h

@@ -909,8 +909,7 @@ struct NoOpLoopPass : PassInfoMixin<NoOpLoopPass> {
 };
 
 /// No-op machine function pass which does nothing.
-struct NoOpMachineFunctionPass
-    : public MachinePassInfoMixin<NoOpMachineFunctionPass> {
+struct NoOpMachineFunctionPass : public PassInfoMixin<NoOpMachineFunctionPass> {
   PreservedAnalyses run(MachineFunction &, MachineFunctionAnalysisManager &) {
     return PreservedAnalyses::all();
   }

llvm/lib/Passes/PassBuilder.cpp

@@ -368,7 +368,7 @@ class TriggerVerifierErrorPass
 // A pass requires all MachineFunctionProperties.
 // DO NOT USE THIS EXCEPT FOR TESTING!
 class RequireAllMachineFunctionPropertiesPass
-    : public MachinePassInfoMixin<RequireAllMachineFunctionPropertiesPass> {
+    : public PassInfoMixin<RequireAllMachineFunctionPropertiesPass> {
 public:
   PreservedAnalyses run(MachineFunction &, MachineFunctionAnalysisManager &) {
     return PreservedAnalyses::none();

llvm/unittests/MIR/PassBuilderCallbacksTest.cpp

@@ -233,7 +233,7 @@ template <typename DerivedT> class MockAnalysisHandleBase {
 
 template <typename DerivedT> class MockPassHandleBase {
 public:
-  class Pass : public MachinePassInfoMixin<Pass> {
+  class Pass : public PassInfoMixin<Pass> {
     friend MockPassHandleBase;
 
     DerivedT *Handle;