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);
27   static bool isRequired() { return true; }
28 };
29 } // end namespace llvm
30 
31 #endif // LLVM_TRANSFORMS_COROUTINES_COROELIDE_H
32