Transforms/Coroutines/CoroElide.h

0001 //===---- CoroElide.h - Coroutine frame allocation elision ------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // \file
0010 // This file declares a pass that replaces dynamic allocation of coroutine
0011 // frames with alloca and replaces calls to llvm.coro.resume and
0012 // llvm.coro.destroy with direct calls to coroutine sub-functions.
0013 //
0014 //===----------------------------------------------------------------------===//
0015
0016 #ifndef LLVM_TRANSFORMS_COROUTINES_COROELIDE_H
0017 #define LLVM_TRANSFORMS_COROUTINES_COROELIDE_H
0018
0019 #include "llvm/IR/PassManager.h"
0020
0021 namespace llvm {
0022
0023 class Function;
0024
0025 struct CoroElidePass : PassInfoMixin<CoroElidePass> {
0026   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
0027   static bool isRequired() { return true; }
0028 };
0029 } // end namespace llvm
0030
0031 #endif // LLVM_TRANSFORMS_COROUTINES_COROELIDE_H