1 | //===- BreakCriticalEdges.h - Critical Edge Elimination Pass --------------===// |
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 | // BreakCriticalEdges pass - Break all of the critical edges in the CFG by |
10 | // inserting a dummy basic block. This pass may be "required" by passes that |
11 | // cannot deal with critical edges. For this usage, the structure type is |
12 | // forward declared. This pass obviously invalidates the CFG, but can update |
13 | // dominator trees. |
14 | // |
15 | //===----------------------------------------------------------------------===// |
16 | |
17 | #ifndef LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H |
18 | #define LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H |
19 | |
20 | #include "llvm/IR/PassManager.h" |
21 | |
22 | namespace llvm { |
23 | |
24 | class Function; |
25 | struct BreakCriticalEdgesPass : public PassInfoMixin<BreakCriticalEdgesPass> { |
26 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
27 | }; |
28 | } // namespace llvm |
29 | #endif // LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H |
30 | |