AMDGPUSubtarget.cpp revision 2ad8608cb3e6a8d2f375ad2295504167b082711f 
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// This file implements the AMDGPU specific subclass of TargetSubtarget.
11//
12//===----------------------------------------------------------------------===//
13
14#include "AMDGPUSubtarget.h"
15
16using namespace llvm;
17
18#define GET_SUBTARGETINFO_ENUM
19#define GET_SUBTARGETINFO_TARGET_DESC
20#define GET_SUBTARGETINFO_CTOR
21#include "AMDGPUGenSubtargetInfo.inc"
22
23AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
24  AMDGPUGenSubtargetInfo(TT, CPU, FS), mDumpCode(false) {
25    InstrItins = getInstrItineraryForCPU(CPU);
26
27  memset(CapsOverride, 0, sizeof(*CapsOverride)
28      * AMDGPUDeviceInfo::MaxNumberCapabilities);
29  // Default card
30  StringRef GPU = CPU;
31  mIs64bit = false;
32  mDefaultSize[0] = 64;
33  mDefaultSize[1] = 1;
34  mDefaultSize[2] = 1;
35  ParseSubtargetFeatures(GPU, FS);
36  mDevName = GPU;
37  mDevice = AMDGPUDeviceInfo::getDeviceFromName(mDevName, this, mIs64bit);
38}
39
40AMDGPUSubtarget::~AMDGPUSubtarget()
41{
42  delete mDevice;
43}
44
45bool
46AMDGPUSubtarget::isOverride(AMDGPUDeviceInfo::Caps caps) const
47{
48  assert(caps < AMDGPUDeviceInfo::MaxNumberCapabilities &&
49      "Caps index is out of bounds!");
50  return CapsOverride[caps];
51}
52bool
53AMDGPUSubtarget::is64bit() const
54{
55  return mIs64bit;
56}
57bool
58AMDGPUSubtarget::isTargetELF() const
59{
60  return false;
61}
62size_t
63AMDGPUSubtarget::getDefaultSize(uint32_t dim) const
64{
65  if (dim > 3) {
66    return 1;
67  } else {
68    return mDefaultSize[dim];
69  }
70}
71
72std::string
73AMDGPUSubtarget::getDataLayout() const
74{
75    if (!mDevice) {
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 mDevice->getDataLayout();
83}
84
85std::string
86AMDGPUSubtarget::getDeviceName() const
87{
88  return mDevName;
89}
90const AMDGPUDevice *
91AMDGPUSubtarget::device() const
92{
93  return mDevice;
94}
95