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      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> {
     25   CoroSplitPass(bool ReuseFrameSlot = false) : ReuseFrameSlot(ReuseFrameSlot) {}
     26 
     27   PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &AM,
     28                         LazyCallGraph &CG, CGSCCUpdateResult &UR);
     29   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