| 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 | const std::function<bool(Instruction &)> MaterializableCallback; |
| 26 | |
| 27 | CoroSplitPass(bool OptimizeFrame = false); |
| 28 | CoroSplitPass(std::function<bool(Instruction &)> MaterializableCallback, |
| 29 | bool OptimizeFrame = false) |
| 30 | : MaterializableCallback(MaterializableCallback), |
| 31 | OptimizeFrame(OptimizeFrame) {} |
| 32 | |
| 33 | PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &AM, |
| 34 | LazyCallGraph &CG, CGSCCUpdateResult &UR); |
| 35 | static bool isRequired() { return true; } |
| 36 | |
| 37 | // Would be true if the Optimization level isn't O0. |
| 38 | bool OptimizeFrame; |
| 39 | }; |
| 40 | } // end namespace llvm |
| 41 | |
| 42 | #endif // LLVM_TRANSFORMS_COROUTINES_COROSPLIT_H |
| 43 |