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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
//===- XCoreMachineFunctionInfo.h - XCore machine function info -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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