mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 02:33:06 +01:00
81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
//===--------------------- SIFrameLowering.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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_AMDGPU_SIFRAMELOWERING_H
|
|
#define LLVM_LIB_TARGET_AMDGPU_SIFRAMELOWERING_H
|
|
|
|
#include "AMDGPUFrameLowering.h"
|
|
|
|
namespace llvm {
|
|
|
|
class SIInstrInfo;
|
|
class SIMachineFunctionInfo;
|
|
class SIRegisterInfo;
|
|
class GCNSubtarget;
|
|
|
|
class SIFrameLowering final : public AMDGPUFrameLowering {
|
|
public:
|
|
SIFrameLowering(StackDirection D, Align StackAl, int LAO,
|
|
Align TransAl = Align(1))
|
|
: AMDGPUFrameLowering(D, StackAl, LAO, TransAl) {}
|
|
~SIFrameLowering() override = default;
|
|
|
|
void emitEntryFunctionPrologue(MachineFunction &MF,
|
|
MachineBasicBlock &MBB) const;
|
|
void emitPrologue(MachineFunction &MF,
|
|
MachineBasicBlock &MBB) const override;
|
|
void emitEpilogue(MachineFunction &MF,
|
|
MachineBasicBlock &MBB) const override;
|
|
StackOffset getFrameIndexReference(const MachineFunction &MF, int FI,
|
|
Register &FrameReg) const override;
|
|
|
|
void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
|
|
RegScavenger *RS = nullptr) const override;
|
|
void determineCalleeSavesSGPR(MachineFunction &MF, BitVector &SavedRegs,
|
|
RegScavenger *RS = nullptr) const;
|
|
bool
|
|
assignCalleeSavedSpillSlots(MachineFunction &MF,
|
|
const TargetRegisterInfo *TRI,
|
|
std::vector<CalleeSavedInfo> &CSI) const override;
|
|
|
|
bool isSupportedStackID(TargetStackID::Value ID) const override;
|
|
|
|
void processFunctionBeforeFrameFinalized(
|
|
MachineFunction &MF,
|
|
RegScavenger *RS = nullptr) const override;
|
|
|
|
MachineBasicBlock::iterator
|
|
eliminateCallFramePseudoInstr(MachineFunction &MF,
|
|
MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI) const override;
|
|
|
|
private:
|
|
void emitEntryFunctionFlatScratchInit(MachineFunction &MF,
|
|
MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator I,
|
|
const DebugLoc &DL,
|
|
Register ScratchWaveOffsetReg) const;
|
|
|
|
Register getEntryFunctionReservedScratchRsrcReg(MachineFunction &MF) const;
|
|
|
|
void emitEntryFunctionScratchRsrcRegSetup(
|
|
MachineFunction &MF, MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator I, const DebugLoc &DL,
|
|
Register PreloadedPrivateBufferReg, Register ScratchRsrcReg,
|
|
Register ScratchWaveOffsetReg) const;
|
|
|
|
public:
|
|
bool hasFP(const MachineFunction &MF) const override;
|
|
|
|
bool requiresStackPointerReference(const MachineFunction &MF) const;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_LIB_TARGET_AMDGPU_SIFRAMELOWERING_H
|