Port CodeGenPrepare to new pass manager

llvm/include/llvm/CodeGen/CodeGenPrepare.h

@@ -0,0 +1,35 @@
+//===- CodeGenPrepare.h ------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+/// \file
+///
+/// Defines an IR pass for type promotion.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_PREPARE_H
+#define LLVM_CODEGEN_PREPARE_H
+
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+class Function;
+class TargetMachine;
+
+class CodeGenPreparePass : public PassInfoMixin<CodeGenPreparePass> {
+private:
+  const TargetMachine *TM;
+
+public:
+  CodeGenPreparePass(const TargetMachine *TM): TM(TM) { }
+  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_CODEGEN_PREPARE_H

llvm/include/llvm/InitializePasses.h

@@ -81,7 +81,7 @@ void initializeCallGraphPrinterLegacyPassPass(PassRegistry&);
 void initializeCallGraphViewerPass(PassRegistry&);
 void initializeCallGraphWrapperPassPass(PassRegistry&);
 void initializeCheckDebugMachineModulePass(PassRegistry &);
-void initializeCodeGenPreparePass(PassRegistry&);
+void initializeCodeGenPrepareLegacyPass(PassRegistry&);
 void initializeComplexDeinterleavingLegacyPassPass(PassRegistry&);
 void initializeConstantHoistingLegacyPassPass(PassRegistry&);
 void initializeCostModelAnalysisPass(PassRegistry&);

llvm/lib/CodeGen/CodeGen.cpp

@@ -29,7 +29,7 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
   initializeCFIFixupPass(Registry);
   initializeCFIInstrInserterPass(Registry);
   initializeCheckDebugMachineModulePass(Registry);
-  initializeCodeGenPreparePass(Registry);
+  initializeCodeGenPrepareLegacyPass(Registry);
   initializeDeadMachineInstructionElimPass(Registry);
   initializeDebugifyMachineModulePass(Registry);
   initializeDetectDeadLanesPass(Registry);