| //===- LowerConstantIntrinsics.h - Lower constant int. pass -*- C++ -*-========// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// |
| /// The header file for the LowerConstantIntrinsics pass as used by the new pass |
| /// manager. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H |
| #define LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H |
| |
| #include "llvm/IR/Function.h" |
| #include "llvm/IR/PassManager.h" |
| |
| namespace llvm { |
| |
| struct LowerConstantIntrinsicsPass : |
| PassInfoMixin<LowerConstantIntrinsicsPass> { |
| public: |
| explicit LowerConstantIntrinsicsPass() {} |
| |
| /// Run the pass over the function. |
| /// |
| /// This will lower all remaining 'objectsize' and 'is.constant'` |
| /// intrinsic calls in this function, even when the argument has no known |
| /// size or is not a constant respectively. The resulting constant is |
| /// propagated and conditional branches are resolved where possible. |
| /// This complements the Instruction Simplification and |
| /// Instruction Combination passes of the optimized pass chain. |
| PreservedAnalyses run(Function &F, FunctionAnalysisManager &); |
| }; |
| |
| } |
| |
| #endif |