//===- ComplexDeinterleavingPass.h - Complex Deinterleaving 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
 
//
 
//===----------------------------------------------------------------------===//
 
//
 
// This pass implements generation of target-specific intrinsics to support
 
// handling of complex number arithmetic and deinterleaving.
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H
 
#define LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H
 
 
 
#include "llvm/IR/PassManager.h"
 
#include "llvm/IR/PatternMatch.h"
 
 
 
namespace llvm {
 
 
 
class Function;
 
class TargetMachine;
 
 
 
struct ComplexDeinterleavingPass
 
    : public PassInfoMixin<ComplexDeinterleavingPass> {
 
private:
 
  TargetMachine *TM;
 
 
 
public:
 
  ComplexDeinterleavingPass(TargetMachine *TM) : TM(TM) {}
 
 
 
  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
 
};
 
 
 
enum class ComplexDeinterleavingOperation {
 
  CAdd,
 
  CMulPartial,
 
  // The following 'operations' are used to represent internal states. Backends
 
  // are not expected to try and support these in any capacity.
 
  Shuffle
 
};
 
 
 
enum class ComplexDeinterleavingRotation {
 
  Rotation_0 = 0,
 
  Rotation_90 = 1,
 
  Rotation_180 = 2,
 
  Rotation_270 = 3,
 
};
 
 
 
} // namespace llvm
 
 
 
#endif // LLVM_CODEGEN_COMPLEXDEINTERLEAVING_H