| //===-- DirectXFrameLowering.h - Frame lowering for DirectX --*- 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 class implements DirectX-specific bits of TargetFrameLowering class. |
| // This is just a stub because the current DXIL backend does not actually lower |
| // through the MC layer. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_DIRECTX_DIRECTXFRAMELOWERING_H |
| #define LLVM_DIRECTX_DIRECTXFRAMELOWERING_H |
| |
| #include "llvm/CodeGen/TargetFrameLowering.h" |
| #include "llvm/Support/Alignment.h" |
| |
| namespace llvm { |
| class DirectXSubtarget; |
| |
| class DirectXFrameLowering : public TargetFrameLowering { |
| public: |
| explicit DirectXFrameLowering(const DirectXSubtarget &STI) |
| : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(8), 0) {} |
| |
| void emitPrologue(MachineFunction &, MachineBasicBlock &) const override {} |
| void emitEpilogue(MachineFunction &, MachineBasicBlock &) const override {} |
| |
| bool hasFP(const MachineFunction &) const override { return false; } |
| }; |
| } // namespace llvm |
| #endif // LLVM_DIRECTX_DIRECTXFRAMELOWERING_H |