1//===- LowerConstantIntrinsics.h - Lower constant int. pass -*- 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/// \file
9///
10/// The header file for the LowerConstantIntrinsics pass as used by the new pass
11/// manager.
12///
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H
16#define LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H
17
18#include "llvm/IR/PassManager.h"
19
20namespace llvm {
21
22class Function;
23
24struct LowerConstantIntrinsicsPass :
25 PassInfoMixin<LowerConstantIntrinsicsPass> {
26public:
27 explicit LowerConstantIntrinsicsPass() = default;
28
29 /// Run the pass over the function.
30 ///
31 /// This will lower all remaining 'objectsize' and 'is.constant'`
32 /// intrinsic calls in this function, even when the argument has no known
33 /// size or is not a constant respectively. The resulting constant is
34 /// propagated and conditional branches are resolved where possible.
35 /// This complements the Instruction Simplification and
36 /// Instruction Combination passes of the optimized pass chain.
37 PreservedAnalyses run(Function &F, FunctionAnalysisManager &);
38};
39
40}
41
42#endif
43

source code of llvm/include/llvm/Transforms/Scalar/LowerConstantIntrinsics.h