llvm-6502/lib/Target/PowerPC/PPCFrameInfo.h

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//===-- PPCFrameInfo.h - Define TargetFrameInfo for PowerPC -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#ifndef POWERPC_FRAMEINFO_H
#define POWERPC_FRAMEINFO_H
#include "PPC.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class PPCFrameInfo: public TargetFrameInfo {
const TargetMachine &TM;
std::pair<unsigned, int> LR[1];
public:
PPCFrameInfo(const TargetMachine &tm, bool LP64)
: TargetFrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0), TM(tm) {
LR[0].first = PPC::LR;
LR[0].second = LP64 ? 16 : 8;
}
const std::pair<unsigned, int> *
getCalleeSaveSpillSlots(unsigned &NumEntries) const {
NumEntries = 1;
return &LR[0];
}
};
} // End llvm namespace
#endif