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//===- Scalarizer.h --- Scalarize vector operations -----------------------===//
//
// 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
/// This pass converts vector operations into scalar operations (or, optionally,
/// operations on smaller vector widths), in order to expose optimization
/// opportunities on the individual scalar operations.
/// It is mainly intended for targets that do not have vector units, but it
/// may also be useful for revectorizing code to different vector widths.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_SCALAR_SCALARIZER_H
#define LLVM_TRANSFORMS_SCALAR_SCALARIZER_H
#include "llvm/IR/PassManager.h"
#include <optional>
namespace llvm {
class Function;
struct ScalarizerPassOptions {
// These options correspond 1:1 to cl::opt options defined in
// Scalarizer.cpp. When the cl::opt are specified, they take precedence.
// When the cl::opt are not specified, the present optional values allow to
// override the cl::opt's default values.
std::optional<bool> ScalarizeVariableInsertExtract;
std::optional<bool> ScalarizeLoadStore;
std::optional<unsigned> ScalarizeMinBits;
};
class ScalarizerPass : public PassInfoMixin<ScalarizerPass> {
ScalarizerPassOptions Options;
public:
ScalarizerPass() = default;
ScalarizerPass(const ScalarizerPassOptions &Options) : Options(Options) {}
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
void setScalarizeVariableInsertExtract(bool Value) {
Options.ScalarizeVariableInsertExtract = Value;
}
void setScalarizeLoadStore(bool Value) { Options.ScalarizeLoadStore = Value; }
void setScalarizeMinBits(unsigned Value) { Options.ScalarizeMinBits = Value; }
};
}
#endif /* LLVM_TRANSFORMS_SCALAR_SCALARIZER_H */
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