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//===- Scalarizer.h --- Scalarize vector operations -----------------------===//
// 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
/// This pass converts vector operations into scalar operations, 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.
#include "llvm/IR/PassManager.h"
#include <optional>
namespace llvm {
class Function;
class FunctionPass;
struct ScalarizerPassOptions {
// These optional booleans correspond 1:1 to cl::opt<bool> options defined in
// Scalarizer.cpp. When the cl::opt are specified, they take precedence.
// When the cl::opt are not specified, the present optional booleans allow to
// override the cl::opt's default values.
std::optional<bool> ScalarizeVariableInsertExtract;
std::optional<bool> ScalarizeLoadStore;
class ScalarizerPass : public PassInfoMixin<ScalarizerPass> {
ScalarizerPassOptions Options;
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
void setScalarizeVariableInsertExtract(bool Value) {
Options.ScalarizeVariableInsertExtract = Value;
void setScalarizeLoadStore(bool Value) { Options.ScalarizeLoadStore = Value; }
/// Create a legacy pass manager instance of the Scalarizer pass
FunctionPass *createScalarizerPass();