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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- BreakCriticalEdges.h - Critical Edge Elimination Pass --------------===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // BreakCriticalEdges pass - Break all of the critical edges in the CFG by |
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| 10 | // inserting a dummy basic block. This pass may be "required" by passes that |
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| 11 | // cannot deal with critical edges. For this usage, the structure type is |
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| 12 | // forward declared. This pass obviously invalidates the CFG, but can update |
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| 13 | // dominator trees. |
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| 14 | // |
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| 15 | //===----------------------------------------------------------------------===// |
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| 16 | |||
| 17 | #ifndef LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H |
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| 18 | #define LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H |
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| 19 | |||
| 20 | #include "llvm/IR/PassManager.h" |
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| 21 | |||
| 22 | namespace llvm { |
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| 23 | |||
| 24 | class Function; |
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| 25 | struct BreakCriticalEdgesPass : public PassInfoMixin<BreakCriticalEdgesPass> { |
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| 26 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
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| 27 | }; |
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| 28 | } // namespace llvm |
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| 29 | #endif // LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H |