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//===- LowerConstantIntrinsics.h - Lower constant int. pass -*- C++ -*-========//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See 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.
#include "llvm/IR/PassManager.h"
namespace llvm {
class Function;
struct LowerConstantIntrinsicsPass :
PassInfoMixin<LowerConstantIntrinsicsPass> {
explicit LowerConstantIntrinsicsPass() = default;
/// 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 &);