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author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 13:27:25 +0000 |
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committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 13:27:25 +0000 |
commit | 4403b930f867f61b48304a23a6843026b0b9a32a (patch) | |
tree | 4dfc4dc075d8144cc64c6db7093c5556111148f3 /lib/Target/SystemZ/SystemZRegisterInfo.h | |
parent | db9e697725e81edb4c5cb80f8dc7b412431be0d0 (diff) | |
download | llvm-4403b930f867f61b48304a23a6843026b0b9a32a.tar.gz llvm-4403b930f867f61b48304a23a6843026b0b9a32a.tar.bz2 llvm-4403b930f867f61b48304a23a6843026b0b9a32a.tar.xz |
Let's start another backend :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75909 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZRegisterInfo.h')
-rw-r--r-- | lib/Target/SystemZ/SystemZRegisterInfo.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.h b/lib/Target/SystemZ/SystemZRegisterInfo.h new file mode 100644 index 0000000000..1af6f931ae --- /dev/null +++ b/lib/Target/SystemZ/SystemZRegisterInfo.h @@ -0,0 +1,65 @@ +//===- SystemZRegisterInfo.h - SystemZ Register Information Impl ----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the SystemZ implementation of the TargetRegisterInfo class. +// +//===----------------------------------------------------------------------===// + +#ifndef SystemZREGISTERINFO_H +#define SystemZREGISTERINFO_H + +#include "llvm/Target/TargetRegisterInfo.h" +#include "SystemZGenRegisterInfo.h.inc" + +namespace llvm { + +class SystemZSubtarget; +class TargetInstrInfo; +class Type; + +struct SystemZRegisterInfo : public SystemZGenRegisterInfo { + SystemZTargetMachine &TM; + const TargetInstrInfo &TII; + + SystemZRegisterInfo(SystemZTargetMachine &tm, const TargetInstrInfo &tii); + + /// Code Generation virtual methods... + const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const; + + const TargetRegisterClass* const* getCalleeSavedRegClasses( + const MachineFunction *MF = 0) const; + + BitVector getReservedRegs(const MachineFunction &MF) const; + + bool hasFP(const MachineFunction &MF) const; + + void eliminateCallFramePseudoInstr(MachineFunction &MF, + MachineBasicBlock &MBB, + MachineBasicBlock::iterator I) const; + + void eliminateFrameIndex(MachineBasicBlock::iterator II, + int SPAdj, RegScavenger *RS = NULL) const; + + void emitPrologue(MachineFunction &MF) const; + void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; + + // Debug information queries. + unsigned getRARegister() const; + unsigned getFrameRegister(MachineFunction &MF) const; + + // Exception handling queries. + unsigned getEHExceptionRegister() const; + unsigned getEHHandlerRegister() const; + + int getDwarfRegNum(unsigned RegNum, bool isEH) const; +}; + +} // end namespace llvm + +#endif |