1 //===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief Implements the AMDGPU specific subclass of TargetSubtarget.
13 //===----------------------------------------------------------------------===//
15 #include "AMDGPUSubtarget.h"
16 #include "R600InstrInfo.h"
17 #include "SIInstrInfo.h"
21 #define DEBUG_TYPE "amdgpu-subtarget"
23 #define GET_SUBTARGETINFO_ENUM
24 #define GET_SUBTARGETINFO_TARGET_DESC
25 #define GET_SUBTARGETINFO_CTOR
26 #include "AMDGPUGenSubtargetInfo.inc"
28 AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
29 AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
30 InstrItins = getInstrItineraryForCPU(CPU);
35 HasVertexCache = false;
37 Gen = AMDGPUSubtarget::R600;
40 EnableIRStructurizer = true;
45 ParseSubtargetFeatures(GPU, FS);
48 if (getGeneration() <= AMDGPUSubtarget::NORTHERN_ISLANDS) {
49 InstrInfo.reset(new R600InstrInfo(*this));
51 InstrInfo.reset(new SIInstrInfo(*this));
56 AMDGPUSubtarget::is64bit() const {
60 AMDGPUSubtarget::hasVertexCache() const {
61 return HasVertexCache;
64 AMDGPUSubtarget::getTexVTXClauseSize() const {
65 return TexVTXClauseSize;
67 enum AMDGPUSubtarget::Generation
68 AMDGPUSubtarget::getGeneration() const {
72 AMDGPUSubtarget::hasHWFP64() const {
76 AMDGPUSubtarget::hasCaymanISA() const {
80 AMDGPUSubtarget::IsIRStructurizerEnabled() const {
81 return EnableIRStructurizer;
84 AMDGPUSubtarget::isIfCvtEnabled() const {
88 AMDGPUSubtarget::getWavefrontSize() const {
92 AMDGPUSubtarget::getStackEntrySize() const {
93 assert(getGeneration() <= NORTHERN_ISLANDS);
94 switch(getWavefrontSize()) {
105 llvm_unreachable("Illegal wavefront size.");
109 AMDGPUSubtarget::hasCFAluBug() const {
110 assert(getGeneration() <= NORTHERN_ISLANDS);
114 AMDGPUSubtarget::getLocalMemorySize() const {
115 return LocalMemorySize;
118 AMDGPUSubtarget::isTargetELF() const {
123 AMDGPUSubtarget::getDeviceName() const {