1 //===---- CoroElide.h - Coroutine frame allocation elision ------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // \file 10 // This file declares a pass that replaces dynamic allocation of coroutine 11 // frames with alloca and replaces calls to llvm.coro.resume and 12 // llvm.coro.destroy with direct calls to coroutine sub-functions. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_TRANSFORMS_COROUTINES_COROELIDE_H 17 #define LLVM_TRANSFORMS_COROUTINES_COROELIDE_H 18 19 #include "llvm/IR/PassManager.h" 20 21 namespace llvm { 22 23 class Function; 24 25 struct CoroElidePass : PassInfoMixin<CoroElidePass> { 26 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); isRequiredCoroElidePass27 static bool isRequired() { return true; } 28 }; 29 } // end namespace llvm 30 31 #endif // LLVM_TRANSFORMS_COROUTINES_COROELIDE_H 32