[llvm] [NewPM][CodeGen] Add callback style codegen pass builder (PR #108690)

[Christudasan Devadasan via llvm-commits]

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+//===- Construction of code generation pass pipelines ---------------------===//
+//
+// 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
+///
+/// This file provides the implementation of the PassBuilder based on our
+/// static pass registry as well as related functionality.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/CallBrPrepare.h"
+#include "llvm/CodeGen/CodeGenPrepare.h"
+#include "llvm/CodeGen/DwarfEHPrepare.h"
+#include "llvm/CodeGen/ExpandLargeDivRem.h"
+#include "llvm/CodeGen/ExpandLargeFpConvert.h"
+#include "llvm/CodeGen/ExpandMemCmp.h"
+#include "llvm/CodeGen/ExpandReductions.h"
+#include "llvm/CodeGen/FinalizeISel.h"
+#include "llvm/CodeGen/GCMetadata.h"
+#include "llvm/CodeGen/LiveVariables.h"
+#include "llvm/CodeGen/LocalStackSlotAllocation.h"
+#include "llvm/CodeGen/LowerEmuTLS.h"
+#include "llvm/CodeGen/MachineFunctionAnalysis.h"
+#include "llvm/CodeGen/MachineLoopInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/MachinePassManager.h"
+#include "llvm/CodeGen/PreISelIntrinsicLowering.h"
+#include "llvm/CodeGen/ReplaceWithVeclib.h"
+#include "llvm/CodeGen/SafeStack.h"
+#include "llvm/CodeGen/SelectOptimize.h"
+#include "llvm/CodeGen/ShadowStackGCLowering.h"
+#include "llvm/CodeGen/SjLjEHPrepare.h"
+#include "llvm/CodeGen/StackProtector.h"
+#include "llvm/CodeGen/TargetPassConfig.h"
+#include "llvm/CodeGen/UnreachableBlockElim.h"
+#include "llvm/CodeGen/WasmEHPrepare.h"
+#include "llvm/CodeGen/WinEHPrepare.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/Passes/CodeGenPassBuilder.h" // Dummy passes only!
+#include "llvm/Passes/PassBuilder.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormatVariadic.h"
+#include "llvm/Support/WithColor.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Transforms/ObjCARC.h"
+#include "llvm/Transforms/Scalar/ConstantHoisting.h"
+#include "llvm/Transforms/Scalar/LoopStrengthReduce.h"
+#include "llvm/Transforms/Scalar/MergeICmps.h"
+#include "llvm/Transforms/Scalar/PartiallyInlineLibCalls.h"
+#include "llvm/Transforms/Scalar/ScalarizeMaskedMemIntrin.h"
+#include "llvm/Transforms/Scalar/TLSVariableHoist.h"
+#include "llvm/Transforms/Utils/LowerGlobalDtors.h"
+#include "llvm/Transforms/Utils/LowerInvoke.h"
+
+namespace llvm {
+extern cl::opt<std::string> FSRemappingFile;
+}
+
+using namespace llvm;
+
+void PassBuilder::invokeCodeGenIREarlyEPCallbacks(ModulePassManager &MPM) {
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cdevadas wrote:

Maybe a template method to avoid all these EPCallbacks() functions?

https://github.com/llvm/llvm-project/pull/108690