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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- LowerConstantIntrinsics.h - Lower constant int. pass -*- C++ -*-========// |
| 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 | /// \file |
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| 9 | /// |
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| 10 | /// The header file for the LowerConstantIntrinsics pass as used by the new pass |
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| 11 | /// manager. |
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| 12 | /// |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |||
| 15 | #ifndef LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H |
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| 16 | #define LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H |
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| 17 | |||
| 18 | #include "llvm/IR/PassManager.h" |
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| 19 | |||
| 20 | namespace llvm { |
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| 21 | |||
| 22 | class Function; |
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| 23 | |||
| 24 | struct LowerConstantIntrinsicsPass : |
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| 25 | PassInfoMixin<LowerConstantIntrinsicsPass> { |
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| 26 | public: |
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| 27 | explicit LowerConstantIntrinsicsPass() = default; |
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| 28 | |||
| 29 | /// Run the pass over the function. |
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| 30 | /// |
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| 31 | /// This will lower all remaining 'objectsize' and 'is.constant'` |
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| 32 | /// intrinsic calls in this function, even when the argument has no known |
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| 33 | /// size or is not a constant respectively. The resulting constant is |
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| 34 | /// propagated and conditional branches are resolved where possible. |
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| 35 | /// This complements the Instruction Simplification and |
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| 36 | /// Instruction Combination passes of the optimized pass chain. |
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| 37 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &); |
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| 38 | }; |
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| 39 | |||
| 40 | } |
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| 41 | |||
| 42 | #endif |