blob: 260a18e278cf23dd235505330d63f9ec88dc2016 [file] [log] [blame]
//===--------------------- AMDGPUFrameLowering.h ----------------*- C++ -*-===//
// 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
/// Interface to describe a layout of a stack frame on an AMDGPU target.
#include "llvm/CodeGen/TargetFrameLowering.h"
namespace llvm {
/// Information about the stack frame layout on the AMDGPU targets.
/// It holds the direction of the stack growth, the known stack alignment on
/// entry to each function, and the offset to the locals area.
/// See TargetFrameInfo for more comments.
class AMDGPUFrameLowering : public TargetFrameLowering {
AMDGPUFrameLowering(StackDirection D, Align StackAl, int LAO,
Align TransAl = Align(1));
~AMDGPUFrameLowering() override;
/// \returns The number of 32-bit sub-registers that are used when storing
/// values to the stack.
unsigned getStackWidth(const MachineFunction &MF) const;
} // end namespace llvm