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//===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief Implements the AMDGPU specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
#include "AMDGPUSubtarget.h"
using namespace llvm;
#define GET_SUBTARGETINFO_ENUM
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "AMDGPUGenSubtargetInfo.inc"
AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
InstrItins = getInstrItineraryForCPU(CPU);
// Default card
StringRef GPU = CPU;
Is64bit = false;
DefaultSize[0] = 64;
DefaultSize[1] = 1;
DefaultSize[2] = 1;
HasVertexCache = false;
TexVTXClauseSize = 0;
Gen = AMDGPUSubtarget::R600;
FP64 = false;
CaymanISA = false;
EnableIRStructurizer = false;
ParseSubtargetFeatures(GPU, FS);
DevName = GPU;
}
bool
AMDGPUSubtarget::is64bit() const {
return Is64bit;
}
bool
AMDGPUSubtarget::hasVertexCache() const {
return HasVertexCache;
}
short
AMDGPUSubtarget::getTexVTXClauseSize() const {
return TexVTXClauseSize;
}
enum AMDGPUSubtarget::Generation
AMDGPUSubtarget::getGeneration() const {
return Gen;
}
bool
AMDGPUSubtarget::hasHWFP64() const {
return FP64;
}
bool
AMDGPUSubtarget::hasCaymanISA() const {
return CaymanISA;
}
bool
AMDGPUSubtarget::IsIRStructurizerEnabled() const {
return EnableIRStructurizer;
}
bool
AMDGPUSubtarget::isTargetELF() const {
return false;
}
size_t
AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
if (dim > 3) {
return 1;
} else {
return DefaultSize[dim];
}
}
std::string
AMDGPUSubtarget::getDataLayout() const {
std::string DataLayout = std::string(
"e"
"-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
"-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128"
"-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048"
"-n32:64"
);
if (hasHWFP64()) {
DataLayout.append("-f64:64:64");
}
if (is64bit()) {
DataLayout.append("-p:64:64:64");
} else {
DataLayout.append("-p:32:32:32");
}
if (Gen >= AMDGPUSubtarget::SOUTHERN_ISLANDS) {
DataLayout.append("-p3:32:32:32");
}
return DataLayout;
}
std::string
AMDGPUSubtarget::getDeviceName() const {
return DevName;
}
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