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//===-- SIRegisterInfo.cpp - SI Register Information ---------------------===//
//
// 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 SI implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#include "SIRegisterInfo.h"
#include "AMDGPUTargetMachine.h"
#include "AMDGPUUtil.h"
using namespace llvm;
SIRegisterInfo::SIRegisterInfo(AMDGPUTargetMachine &tm,
const TargetInstrInfo &tii)
: AMDGPURegisterInfo(tm, tii),
TM(tm),
TII(tii)
{ }
BitVector SIRegisterInfo::getReservedRegs(const MachineFunction &MF) const
{
BitVector Reserved(getNumRegs());
return Reserved;
}
unsigned SIRegisterInfo::getBinaryCode(unsigned reg) const
{
switch (reg) {
case AMDIL::M0: return 124;
case AMDIL::SREG_LIT_0: return 128;
default: return getHWRegNum(reg);
}
}
const TargetRegisterClass *
SIRegisterInfo::getISARegClass(const TargetRegisterClass * rc) const
{
switch (rc->getID()) {
case AMDIL::GPRF32RegClassID:
return &AMDIL::VReg_32RegClass;
default: return rc;
}
}
const TargetRegisterClass * SIRegisterInfo::getCFGStructurizerRegClass(
MVT VT) const
{
switch(VT.SimpleTy) {
default:
case MVT::i32: return AMDIL::VReg_32RegisterClass;
}
}
#include "SIRegisterGetHWRegNum.inc"
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