- //===- BreakCriticalEdges.h - Critical Edge Elimination Pass --------------===// 
- // 
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
- // See https://llvm.org/LICENSE.txt for license information. 
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
- // 
- //===----------------------------------------------------------------------===// 
- // 
- // BreakCriticalEdges pass - Break all of the critical edges in the CFG by 
- // inserting a dummy basic block.  This pass may be "required" by passes that 
- // cannot deal with critical edges.  For this usage, the structure type is 
- // forward declared.  This pass obviously invalidates the CFG, but can update 
- // dominator trees. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H 
- #define LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H 
-   
- #include "llvm/IR/PassManager.h" 
-   
- namespace llvm { 
-   
- class Function; 
- struct BreakCriticalEdgesPass : public PassInfoMixin<BreakCriticalEdgesPass> { 
-   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 
- }; 
- } // namespace llvm 
- #endif // LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H 
-