mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
5ce227e787
- Use static allocation for aligned stack objects. - Simplify dynamic stack object allocation. - Simplify elimination of frame-indices. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235521 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
//=- HexagonMachineFunctionInfo.h - Hexagon machine function info -*- C++ -*-=//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONMACHINEFUNCTIONINFO_H
|
|
#define LLVM_LIB_TARGET_HEXAGON_HEXAGONMACHINEFUNCTIONINFO_H
|
|
|
|
#include "llvm/CodeGen/MachineFunction.h"
|
|
#include <map>
|
|
|
|
namespace llvm {
|
|
|
|
namespace Hexagon {
|
|
const unsigned int StartPacket = 0x1;
|
|
const unsigned int EndPacket = 0x2;
|
|
}
|
|
|
|
|
|
/// Hexagon target-specific information for each MachineFunction.
|
|
class HexagonMachineFunctionInfo : public MachineFunctionInfo {
|
|
// SRetReturnReg - Some subtargets require that sret lowering includes
|
|
// returning the value of the returned struct in a register. This field
|
|
// holds the virtual register into which the sret argument is passed.
|
|
unsigned SRetReturnReg;
|
|
unsigned StackAlignBaseReg;
|
|
std::vector<MachineInstr*> AllocaAdjustInsts;
|
|
int VarArgsFrameIndex;
|
|
bool HasClobberLR;
|
|
bool HasEHReturn;
|
|
std::map<const MachineInstr*, unsigned> PacketInfo;
|
|
virtual void anchor();
|
|
|
|
public:
|
|
HexagonMachineFunctionInfo() : SRetReturnReg(0), StackAlignBaseReg(0),
|
|
HasClobberLR(0), HasEHReturn(false) {}
|
|
|
|
HexagonMachineFunctionInfo(MachineFunction &MF) : SRetReturnReg(0),
|
|
StackAlignBaseReg(0),
|
|
HasClobberLR(0),
|
|
HasEHReturn(false) {}
|
|
|
|
unsigned getSRetReturnReg() const { return SRetReturnReg; }
|
|
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
|
|
|
|
void addAllocaAdjustInst(MachineInstr* MI) {
|
|
AllocaAdjustInsts.push_back(MI);
|
|
}
|
|
const std::vector<MachineInstr*>& getAllocaAdjustInsts() {
|
|
return AllocaAdjustInsts;
|
|
}
|
|
|
|
void setVarArgsFrameIndex(int v) { VarArgsFrameIndex = v; }
|
|
int getVarArgsFrameIndex() { return VarArgsFrameIndex; }
|
|
|
|
void setStartPacket(MachineInstr* MI) {
|
|
PacketInfo[MI] |= Hexagon::StartPacket;
|
|
}
|
|
void setEndPacket(MachineInstr* MI) {
|
|
PacketInfo[MI] |= Hexagon::EndPacket;
|
|
}
|
|
bool isStartPacket(const MachineInstr* MI) const {
|
|
return (PacketInfo.count(MI) &&
|
|
(PacketInfo.find(MI)->second & Hexagon::StartPacket));
|
|
}
|
|
bool isEndPacket(const MachineInstr* MI) const {
|
|
return (PacketInfo.count(MI) &&
|
|
(PacketInfo.find(MI)->second & Hexagon::EndPacket));
|
|
}
|
|
void setHasClobberLR(bool v) { HasClobberLR = v; }
|
|
bool hasClobberLR() const { return HasClobberLR; }
|
|
|
|
bool hasEHReturn() const { return HasEHReturn; };
|
|
void setHasEHReturn(bool H = true) { HasEHReturn = H; };
|
|
|
|
void setStackAlignBaseVReg(unsigned R) { StackAlignBaseReg = R; }
|
|
unsigned getStackAlignBaseVReg() const { return StackAlignBaseReg; }
|
|
};
|
|
} // End llvm namespace
|
|
|
|
#endif
|