//===--------------------- AMDGPUFrameLowering.h ----------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // /// \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, unsigned StackAl, int LAO, unsigned TransAl = 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 #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUFRAMELOWERING_H |