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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- ArgumentPromotion.h - Promote by-reference arguments -----*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H
#define LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H
#include "llvm/Analysis/CGSCCPassManager.h"
#include "llvm/Analysis/LazyCallGraph.h"
#include "llvm/IR/PassManager.h"
namespace llvm {
class TargetTransformInfo;
/// Argument promotion pass.
///
/// This pass walks the functions in each SCC and for each one tries to
/// transform it and all of its callers to replace indirect arguments with
/// direct (by-value) arguments.
class ArgumentPromotionPass : public PassInfoMixin<ArgumentPromotionPass> {
unsigned MaxElements;
public:
ArgumentPromotionPass(unsigned MaxElements = 3u) : MaxElements(MaxElements) {}
/// Checks if a type could have padding bytes.
static bool isDenselyPacked(Type *type, const DataLayout &DL);
PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &AM,
LazyCallGraph &CG, CGSCCUpdateResult &UR);
};
} // end namespace llvm
#endif // LLVM_TRANSFORMS_IPO_ARGUMENTPROMOTION_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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