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Diffstat (limited to 'gnu/llvm/lib/Target/XCore/XCoreMachineFunctionInfo.h')
| -rw-r--r-- | gnu/llvm/lib/Target/XCore/XCoreMachineFunctionInfo.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gnu/llvm/lib/Target/XCore/XCoreMachineFunctionInfo.h b/gnu/llvm/lib/Target/XCore/XCoreMachineFunctionInfo.h new file mode 100644 index 00000000000..cdcc52fdc32 --- /dev/null +++ b/gnu/llvm/lib/Target/XCore/XCoreMachineFunctionInfo.h @@ -0,0 +1,106 @@ +//===- XCoreMachineFunctionInfo.h - XCore 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. +// +//===----------------------------------------------------------------------===// +// +// This file declares XCore-specific per-machine-function information. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H +#define LLVM_LIB_TARGET_XCORE_XCOREMACHINEFUNCTIONINFO_H + +#include "llvm/CodeGen/MachineFrameInfo.h" +#include "llvm/CodeGen/MachineFunction.h" +#include <vector> + +namespace llvm { + +// Forward declarations +class Function; + +/// XCoreFunctionInfo - This class is derived from MachineFunction private +/// XCore target-specific information for each MachineFunction. +class XCoreFunctionInfo : public MachineFunctionInfo { + virtual void anchor(); + bool LRSpillSlotSet; + int LRSpillSlot; + bool FPSpillSlotSet; + int FPSpillSlot; + bool EHSpillSlotSet; + int EHSpillSlot[2]; + unsigned ReturnStackOffset; + bool ReturnStackOffsetSet; + int VarArgsFrameIndex; + mutable int CachedEStackSize; + std::vector<std::pair<MachineBasicBlock::iterator, CalleeSavedInfo>> + SpillLabels; + +public: + XCoreFunctionInfo() : + LRSpillSlotSet(false), + FPSpillSlotSet(false), + EHSpillSlotSet(false), + ReturnStackOffsetSet(false), + VarArgsFrameIndex(0), + CachedEStackSize(-1) {} + + explicit XCoreFunctionInfo(MachineFunction &MF) : + LRSpillSlotSet(false), + FPSpillSlotSet(false), + EHSpillSlotSet(false), + ReturnStackOffsetSet(false), + VarArgsFrameIndex(0), + CachedEStackSize(-1) {} + + ~XCoreFunctionInfo() {} + + void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; } + int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } + + int createLRSpillSlot(MachineFunction &MF); + bool hasLRSpillSlot() { return LRSpillSlotSet; } + int getLRSpillSlot() const { + assert(LRSpillSlotSet && "LR Spill slot not set"); + return LRSpillSlot; + } + + int createFPSpillSlot(MachineFunction &MF); + bool hasFPSpillSlot() { return FPSpillSlotSet; } + int getFPSpillSlot() const { + assert(FPSpillSlotSet && "FP Spill slot not set"); + return FPSpillSlot; + } + + const int* createEHSpillSlot(MachineFunction &MF); + bool hasEHSpillSlot() { return EHSpillSlotSet; } + const int* getEHSpillSlot() const { + assert(EHSpillSlotSet && "EH Spill slot not set"); + return EHSpillSlot; + } + + void setReturnStackOffset(unsigned value) { + assert(!ReturnStackOffsetSet && "Return stack offset set twice"); + ReturnStackOffset = value; + ReturnStackOffsetSet = true; + } + + unsigned getReturnStackOffset() const { + assert(ReturnStackOffsetSet && "Return stack offset not set"); + return ReturnStackOffset; + } + + bool isLargeFrame(const MachineFunction &MF) const; + + std::vector<std::pair<MachineBasicBlock::iterator, CalleeSavedInfo>> & + getSpillLabels() { + return SpillLabels; + } +}; +} // End llvm namespace + +#endif |
