| //===--------------------- AMDGPUFrameLowering.h ----------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| /// \file |
| /// Interface to describe a layout of a stack frame on an AMDGPU target. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H |
| #define LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H |
| |
| #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 { |
| public: |
| AMDGPUFrameLowering(StackDirection D, Align StackAl, int LAO, |
| Align TransAl = Align::None()); |
| ~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 |
| |
| #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H |
