1 //===- CoroSplit.h - Converts a coroutine into a state machine -*- 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 the pass that builds the coroutine frame and outlines 11 // the resume and destroy parts of the coroutine into separate functions. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TRANSFORMS_COROUTINES_COROSPLIT_H 16 #define LLVM_TRANSFORMS_COROUTINES_COROSPLIT_H 17 18 #include "llvm/Analysis/CGSCCPassManager.h" 19 #include "llvm/Analysis/LazyCallGraph.h" 20 #include "llvm/IR/PassManager.h" 21 22 namespace llvm { 23 24 struct CoroSplitPass : PassInfoMixin<CoroSplitPass> { ReuseFrameSlotCoroSplitPass25 CoroSplitPass(bool ReuseFrameSlot = false) : ReuseFrameSlot(ReuseFrameSlot) {} 26 27 PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &AM, 28 LazyCallGraph &CG, CGSCCUpdateResult &UR); isRequiredCoroSplitPass29 static bool isRequired() { return true; } 30 31 // Would be true if the Optimization level isn't O0. 32 bool ReuseFrameSlot; 33 }; 34 } // end namespace llvm 35 36 #endif // LLVM_TRANSFORMS_COROUTINES_COROSPLIT_H 37