llvm/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h

//===-- AMDGPUISelDAGToDAG.h - A dag to dag inst selector for AMDGPU ----===//
//
// 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
/// Defines an instruction selector for the AMDGPU target.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUISELDAGTODAG_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUISELDAGTODAG_H

#include "GCNSubtarget.h"
#include "SIMachineFunctionInfo.h"
#include "SIModeRegisterDefaults.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/Target/TargetMachine.h"

namespace llvm {

static inline bool getConstantValue(SDValue N, uint32_t &Out) { … }

// TODO: Handle undef as zero
static inline SDNode *packConstantV2I16(const SDNode *N, SelectionDAG &DAG) { … }

/// AMDGPU specific code to select AMDGPU machine instructions for
/// SelectionDAG operations.
class AMDGPUDAGToDAGISel : public SelectionDAGISel { … };

class AMDGPUISelDAGToDAGPass : public SelectionDAGISelPass { … };

class AMDGPUDAGToDAGISelLegacy : public SelectionDAGISelLegacy { … };

} // namespace llvm

#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUISELDAGTODAG_H