llvm-for-llvmta/include/llvm/Transforms/IPO/AlwaysInliner.h

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2022-04-25 10:02:23 +02:00
//===-- AlwaysInliner.h - Pass to inline "always_inline" functions --------===//
//
// 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
/// Provides passes to inlining "always_inline" functions.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
#define LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
#include "llvm/IR/PassManager.h"
namespace llvm {
/// Inlines functions marked as "always_inline".
///
/// Note that this does not inline call sites marked as always_inline and does
/// not delete the functions even when all users are inlined. The normal
/// inliner should be used to handle call site inlining, this pass's goal is to
/// be the simplest possible pass to remove always_inline function definitions'
/// uses by inlining them. The \c GlobalDCE pass can be used to remove these
/// functions once all users are gone.
class AlwaysInlinerPass : public PassInfoMixin<AlwaysInlinerPass> {
bool InsertLifetime;
public:
AlwaysInlinerPass(bool InsertLifetime = true)
: InsertLifetime(InsertLifetime) {}
PreservedAnalyses run(Module &M, ModuleAnalysisManager &);
static bool isRequired() { return true; }
};
/// Create a legacy pass manager instance of a pass to inline and remove
/// functions marked as "always_inline".
Pass *createAlwaysInlinerLegacyPass(bool InsertLifetime = true);
}
#endif // LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H