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97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
//===- XCoreMachineFunctionInfo.h - XCore machine function info -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares XCore-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H
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#define LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H
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#include "llvm/CodeGen/MachineBasicBlock.h"
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#include "llvm/CodeGen/MachineFrameInfo.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include <cassert>
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#include <utility>
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#include <vector>
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namespace llvm {
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/// XCoreFunctionInfo - This class is derived from MachineFunction private
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/// XCore target-specific information for each MachineFunction.
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class XCoreFunctionInfo : public MachineFunctionInfo {
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bool LRSpillSlotSet = false;
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int LRSpillSlot;
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bool FPSpillSlotSet = false;
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int FPSpillSlot;
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bool EHSpillSlotSet = false;
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int EHSpillSlot[2];
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unsigned ReturnStackOffset;
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bool ReturnStackOffsetSet = false;
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int VarArgsFrameIndex = 0;
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mutable int CachedEStackSize = -1;
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std::vector<std::pair<MachineBasicBlock::iterator, CalleeSavedInfo>>
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SpillLabels;
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virtual void anchor();
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public:
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XCoreFunctionInfo() = default;
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explicit XCoreFunctionInfo(MachineFunction &MF) {}
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~XCoreFunctionInfo() override = default;
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void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; }
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int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
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int createLRSpillSlot(MachineFunction &MF);
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bool hasLRSpillSlot() { return LRSpillSlotSet; }
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int getLRSpillSlot() const {
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assert(LRSpillSlotSet && "LR Spill slot not set");
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return LRSpillSlot;
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}
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int createFPSpillSlot(MachineFunction &MF);
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bool hasFPSpillSlot() { return FPSpillSlotSet; }
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int getFPSpillSlot() const {
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assert(FPSpillSlotSet && "FP Spill slot not set");
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return FPSpillSlot;
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}
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const int* createEHSpillSlot(MachineFunction &MF);
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bool hasEHSpillSlot() { return EHSpillSlotSet; }
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const int* getEHSpillSlot() const {
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assert(EHSpillSlotSet && "EH Spill slot not set");
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return EHSpillSlot;
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}
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void setReturnStackOffset(unsigned value) {
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assert(!ReturnStackOffsetSet && "Return stack offset set twice");
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ReturnStackOffset = value;
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ReturnStackOffsetSet = true;
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}
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unsigned getReturnStackOffset() const {
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assert(ReturnStackOffsetSet && "Return stack offset not set");
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return ReturnStackOffset;
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}
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bool isLargeFrame(const MachineFunction &MF) const;
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std::vector<std::pair<MachineBasicBlock::iterator, CalleeSavedInfo>> &
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getSpillLabels() {
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return SpillLabels;
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}
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H
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