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//===- TGSIRegisterInfo.h - TGSI 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 TGSI implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef TGSI_REGISTER_INFO_H
#define TGSI_REGISTER_INFO_H
#define GET_REGINFO_HEADER
#include "TGSIGenRegisterInfo.inc"
// These need to be kept in sync, so we keep them together here
#define TGSI_SV_REGISTER_DECL \
"DCL SV[0], BLOCK_ID[0]\n" \
"DCL SV[1], BLOCK_SIZE[0]\n" \
"DCL SV[2], GRID_SIZE[0]\n" \
"DCL SV[3], THREAD_ID[0]\n"
#define TGSI_BLOCK_ID(suffix) TGSI::SV0 ## suffix
#define TGSI_BLOCK_SIZE(suffix) TGSI::SV1 ## suffix
#define TGSI_GRID_SIZE(suffix) TGSI::SV2 ## suffix
#define TGSI_THREAD_ID(suffix) TGSI::SV3 ## suffix
// These needs to be kept in sync with the LD/ST definitions in TGSIInstrInfo.td
#define TGSI_MEM_DECL \
"DCL MEMORY[0], GLOBAL\n" \
"DCL MEMORY[1], SHARED\n" \
"DCL MEMORY[2], PRIVATE\n" \
"DCL MEMORY[3], INPUT\n"
namespace llvm {
class TGSISubtarget;
class TargetInstrInfo;
class Type;
namespace TGSIRF {
enum {
INDEX = 0xfff,
COMPONENT = 0xf000,
COMPONENT_X = 0x1000,
COMPONENT_Y = 0x2000,
COMPONENT_Z = 0x4000,
COMPONENT_W = 0x8000,
COMPONENT_XYZW = 0xf000
};
}
struct TGSIRegisterInfo : public TGSIGenRegisterInfo {
TGSISubtarget &Subtarget;
const TargetInstrInfo &TII;
TGSIRegisterInfo(TGSISubtarget &st, const TargetInstrInfo &tii);
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, unsigned FIOperandNum,
RegScavenger *RS = NULL) const;
unsigned getFrameRegister(const MachineFunction &MF) const;
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
};
}
#endif
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