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1//===--------------------- AMDGPUFrameLowering.h ----------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9/// \file10/// Interface to describe a layout of a stack frame on an AMDGPU target.11//12//===----------------------------------------------------------------------===//13 14#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H15#define LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H16 17#include "llvm/CodeGen/TargetFrameLowering.h"18 19namespace llvm {20 21/// Information about the stack frame layout on the AMDGPU targets.22///23/// It holds the direction of the stack growth, the known stack alignment on24/// entry to each function, and the offset to the locals area.25/// See TargetFrameInfo for more comments.26class AMDGPUFrameLowering : public TargetFrameLowering {27public:28 AMDGPUFrameLowering(StackDirection D, Align StackAl, int LAO,29 Align TransAl = Align(1));30 ~AMDGPUFrameLowering() override;31 32 /// \returns The number of 32-bit sub-registers that are used when storing33 /// values to the stack.34 unsigned getStackWidth(const MachineFunction &MF) const;35};36 37} // end namespace llvm38 39#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H40