src/gallium/drivers/radeon/AMDILRegisterInfo.h

   1 //===- AMDILRegisterInfo.h - AMDIL 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 AMDIL implementation of the TargetRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef AMDILREGISTERINFO_H_
  15 #define AMDILREGISTERINFO_H_
  16
  17 #include "llvm/Target/TargetRegisterInfo.h"
  18
  19 #define GET_REGINFO_HEADER
  20 #include "AMDILGenRegisterInfo.inc"
  21 // See header file for explanation
  22
  23 namespace llvm
  24 {
  25
  26   class AMDILTargetMachine;
  27   class TargetInstrInfo;
  28   class Type;
  29
  30   /// DWARFFlavour - Flavour of dwarf regnumbers
  31   ///
  32   namespace DWARFFlavour {
  33     enum {
  34       AMDIL_Generic = 0
  35     };
  36   }
  37
  38   struct AMDILRegisterInfo : public AMDILGenRegisterInfo
  39   {
  40     AMDILTargetMachine &TM;
  41     const TargetInstrInfo &TII;
  42
  43     AMDILRegisterInfo(AMDILTargetMachine &tm, const TargetInstrInfo &tii);
  44     /// Code Generation virtual methods...
  45     const uint16_t * getCalleeSavedRegs(const MachineFunction *MF = 0) const;
  46
  47     const TargetRegisterClass* const*
  48       getCalleeSavedRegClasses(
  49           const MachineFunction *MF = 0) const;
  50
  51     BitVector
  52       getReservedRegs(const MachineFunction &MF) const;
  53     BitVector
  54       getAllocatableSet(const MachineFunction &MF,
  55           const TargetRegisterClass *RC) const;
  56
  57     void
  58       eliminateCallFramePseudoInstr(
  59           MachineFunction &MF,
  60           MachineBasicBlock &MBB,
  61           MachineBasicBlock::iterator I) const;
  62     void
  63       eliminateFrameIndex(MachineBasicBlock::iterator II,
  64           int SPAdj, RegScavenger *RS = NULL) const;
  65
  66     void
  67       processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
  68
  69     // Debug information queries.
  70     unsigned int
  71       getRARegister() const;
  72
  73     unsigned int
  74       getFrameRegister(const MachineFunction &MF) const;
  75
  76     // Exception handling queries.
  77     unsigned int
  78       getEHExceptionRegister() const;
  79     unsigned int
  80       getEHHandlerRegister() const;
  81
  82     int64_t
  83       getStackSize() const;
  84     private:
  85     mutable int64_t baseOffset;
  86     mutable int64_t nextFuncOffset;
  87   };
  88
  89 } // end namespace llvm
  90
  91 #endif // AMDILREGISTERINFO_H_