1//===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===//
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/// \file
11/// \brief Implements the AMDGPU specific subclass of TargetSubtarget.
12//
13//===----------------------------------------------------------------------===//
14
15#include "AMDGPUSubtarget.h"
16
17using namespace llvm;
18
19#define GET_SUBTARGETINFO_ENUM
20#define GET_SUBTARGETINFO_TARGET_DESC
21#define GET_SUBTARGETINFO_CTOR
22#include "AMDGPUGenSubtargetInfo.inc"
23
24AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
25  AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
26    InstrItins = getInstrItineraryForCPU(CPU);
27
28  memset(CapsOverride, 0, sizeof(*CapsOverride)
29      * AMDGPUDeviceInfo::MaxNumberCapabilities);
30  // Default card
31  StringRef GPU = CPU;
32  Is64bit = false;
33  DefaultSize[0] = 64;
34  DefaultSize[1] = 1;
35  DefaultSize[2] = 1;
36  HasVertexCache = false;
37  ParseSubtargetFeatures(GPU, FS);
38  DevName = GPU;
39  Device = AMDGPUDeviceInfo::getDeviceFromName(DevName, this, Is64bit);
40}
41
42AMDGPUSubtarget::~AMDGPUSubtarget() {
43  delete Device;
44}
45
46bool
47AMDGPUSubtarget::isOverride(AMDGPUDeviceInfo::Caps caps) const {
48  assert(caps < AMDGPUDeviceInfo::MaxNumberCapabilities &&
49      "Caps index is out of bounds!");
50  return CapsOverride[caps];
51}
52bool
53AMDGPUSubtarget::is64bit() const  {
54  return Is64bit;
55}
56bool
57AMDGPUSubtarget::hasVertexCache() const {
58  return HasVertexCache;
59}
60bool
61AMDGPUSubtarget::isTargetELF() const {
62  return false;
63}
64size_t
65AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
66  if (dim > 3) {
67    return 1;
68  } else {
69    return DefaultSize[dim];
70  }
71}
72
73std::string
74AMDGPUSubtarget::getDataLayout() const {
75    if (!Device) {
76        return std::string("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
77                "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
78                "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
79                "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
80                "-v512:512:512-v1024:1024:1024-v2048:2048:2048-a0:0:64");
81    }
82    return Device->getDataLayout();
83}
84
85std::string
86AMDGPUSubtarget::getDeviceName() const {
87  return DevName;
88}
89const AMDGPUDevice *
90AMDGPUSubtarget::device() const {
91  return Device;
92}
93