Thumb2RegisterInfo.h revision 378445303b10b092a898a75131141a8259cff50b
1//===- Thumb2RegisterInfo.h - Thumb-2 Register Information Impl ----*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains the Thumb-2 implementation of the TargetRegisterInfo class. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef THUMB2REGISTERINFO_H 15#define THUMB2REGISTERINFO_H 16 17#include "ARM.h" 18#include "ARMRegisterInfo.h" 19#include "llvm/Target/TargetRegisterInfo.h" 20 21namespace llvm { 22 class ARMSubtarget; 23 class ARMBaseInstrInfo; 24 class Type; 25 26struct Thumb2RegisterInfo : public ARMBaseRegisterInfo { 27public: 28 Thumb2RegisterInfo(const ARMBaseInstrInfo &tii, const ARMSubtarget &STI); 29 30 /// emitLoadConstPool - Emits a load from constpool to materialize the 31 /// specified immediate. 32 void emitLoadConstPool(MachineBasicBlock &MBB, 33 MachineBasicBlock::iterator &MBBI, 34 DebugLoc dl, 35 unsigned DestReg, unsigned SubIdx, int Val, 36 ARMCC::CondCodes Pred = ARMCC::AL, 37 unsigned PredReg = 0) const; 38 39 bool requiresRegisterScavenging(const MachineFunction &MF) const; 40}; 41} 42 43#endif // THUMB2REGISTERINFO_H 44