mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-11 09:29:20 +00:00
b5632b5b45
the internals of TargetMachine could change. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183561 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
//===-- AMDGPURegisterInfo.cpp - AMDGPU Register Information -------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
/// \file
|
|
/// \brief Parent TargetRegisterInfo class common to all hw codegen targets.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "AMDGPURegisterInfo.h"
|
|
#include "AMDGPUTargetMachine.h"
|
|
|
|
using namespace llvm;
|
|
|
|
AMDGPURegisterInfo::AMDGPURegisterInfo(TargetMachine &tm)
|
|
: AMDGPUGenRegisterInfo(0),
|
|
TM(tm)
|
|
{ }
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Function handling callbacks - Functions are a seldom used feature of GPUS, so
|
|
// they are not supported at this time.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
const uint16_t AMDGPURegisterInfo::CalleeSavedReg = AMDGPU::NoRegister;
|
|
|
|
const uint16_t* AMDGPURegisterInfo::getCalleeSavedRegs(const MachineFunction *MF)
|
|
const {
|
|
return &CalleeSavedReg;
|
|
}
|
|
|
|
void AMDGPURegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
|
|
int SPAdj,
|
|
unsigned FIOperandNum,
|
|
RegScavenger *RS) const {
|
|
assert(!"Subroutines not supported yet");
|
|
}
|
|
|
|
unsigned AMDGPURegisterInfo::getFrameRegister(const MachineFunction &MF) const {
|
|
assert(!"Subroutines not supported yet");
|
|
return 0;
|
|
}
|
|
|
|
unsigned AMDGPURegisterInfo::getIndirectSubReg(unsigned IndirectIndex) const {
|
|
|
|
switch(IndirectIndex) {
|
|
case 0: return AMDGPU::sub0;
|
|
case 1: return AMDGPU::sub1;
|
|
case 2: return AMDGPU::sub2;
|
|
case 3: return AMDGPU::sub3;
|
|
case 4: return AMDGPU::sub4;
|
|
case 5: return AMDGPU::sub5;
|
|
case 6: return AMDGPU::sub6;
|
|
case 7: return AMDGPU::sub7;
|
|
case 8: return AMDGPU::sub8;
|
|
case 9: return AMDGPU::sub9;
|
|
case 10: return AMDGPU::sub10;
|
|
case 11: return AMDGPU::sub11;
|
|
case 12: return AMDGPU::sub12;
|
|
case 13: return AMDGPU::sub13;
|
|
case 14: return AMDGPU::sub14;
|
|
case 15: return AMDGPU::sub15;
|
|
default: llvm_unreachable("indirect index out of range");
|
|
}
|
|
}
|
|
|
|
#define GET_REGINFO_TARGET_DESC
|
|
#include "AMDGPUGenRegisterInfo.inc"
|