mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 03:30:28 +00:00
7d2dd96694
We also narrow the liveness of FP & LR during the prologue to reflect the actual usage of the registers. I have been unable to construct a test to prove the previous live range was too large. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198611 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
//===-- XCoreMachineFuctionInfo.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 XCOREMACHINEFUNCTIONINFO_H
|
|
#define 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;
|
|
int VarArgsFrameIndex;
|
|
mutable int CachedEStackSize;
|
|
std::vector<std::pair<MCSymbol*, CalleeSavedInfo> > SpillLabels;
|
|
|
|
public:
|
|
XCoreFunctionInfo() :
|
|
LRSpillSlotSet(false),
|
|
LRSpillSlot(0),
|
|
FPSpillSlotSet(false),
|
|
FPSpillSlot(0),
|
|
VarArgsFrameIndex(0),
|
|
CachedEStackSize(-1) {}
|
|
|
|
explicit XCoreFunctionInfo(MachineFunction &MF) :
|
|
LRSpillSlotSet(false),
|
|
LRSpillSlot(0),
|
|
FPSpillSlotSet(false),
|
|
FPSpillSlot(0),
|
|
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 no set");
|
|
return LRSpillSlot;
|
|
}
|
|
|
|
int createFPSpillSlot(MachineFunction &MF);
|
|
bool hasFPSpillSlot() { return FPSpillSlotSet; }
|
|
int getFPSpillSlot() const {
|
|
assert(FPSpillSlotSet && "FP Spill slot no set");
|
|
return FPSpillSlot;
|
|
}
|
|
|
|
bool isLargeFrame(const MachineFunction &MF) const;
|
|
|
|
std::vector<std::pair<MCSymbol*, CalleeSavedInfo> > &getSpillLabels() {
|
|
return SpillLabels;
|
|
}
|
|
};
|
|
} // End llvm namespace
|
|
|
|
#endif // XCOREMACHINEFUNCTIONINFO_H
|