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/*========================== begin_copyright_notice ============================
Copyright (C) 2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
// clang-format off
#include "common/LLVMWarningsPush.hpp"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/raw_ostream.h"
#include "common/LLVMWarningsPop.hpp"
// clang-format on
#include "VISADebugDecoder.hpp"
#include "VISADebugInfo.hpp"
#include "VISAModule.hpp"
#include "Utils.hpp"
#include <algorithm>
#include <string>
#include <map>
using namespace llvm;
namespace IGC {
VISAObjectDebugInfo::VISAObjectDebugInfo(const CompiledObjectInfo &COIn)
: CO(COIn) {
// build GenIsaToVisa LUT
std::transform(CO.CISAIndexMap.begin(), CO.CISAIndexMap.end(),
std::back_inserter(GenISAToVISAIndex),
[](const auto &CisaIndex) {
return IDX_Gen2Visa{CisaIndex.second /*GenOffset*/,
CisaIndex.first /*VisaOffset*/};
});
// build GenIsaInstSize LUT
// TODO: we don't really need individual arrays for that, a single
// storage should work just fine
// Compute all Gen ISA offsets corresponding to each VISA index
for (auto &Gen2VisaIdx : GenISAToVISAIndex) {
auto FoundRecord = VISAIndexToAllGenISAOff.find(Gen2VisaIdx.VisaOffset);
if (FoundRecord != VISAIndexToAllGenISAOff.end()) {
FoundRecord->second.push_back(Gen2VisaIdx.GenOffset);
} else {
VISAIndexToAllGenISAOff.emplace(
std::make_pair(Gen2VisaIdx.VisaOffset,
std::vector<unsigned>({Gen2VisaIdx.GenOffset})));
}
}
// build VisaIndexToGen LUT
if (!GenISAToVISAIndex.empty()) {
auto CurRange = llvm::make_range(GenISAToVISAIndex.begin(),
std::prev(GenISAToVISAIndex.end()));
auto NextRange = llvm::make_range(std::next(GenISAToVISAIndex.begin()),
GenISAToVISAIndex.end());
for (const auto &IndexPair : llvm::zip(CurRange, NextRange)) {
IDX_Gen2Visa &CurGenIdx = std::get<0>(IndexPair);
IDX_Gen2Visa &NextGenIdx = std::get<1>(IndexPair);
IGC_ASSERT(NextGenIdx.GenOffset >= CurGenIdx.GenOffset);
auto Size = NextGenIdx.GenOffset - CurGenIdx.GenOffset;
GenISAInstSizeBytes.insert(std::make_pair(CurGenIdx.GenOffset, Size));
}
GenISAInstSizeBytes.insert(
std::make_pair(GenISAToVISAIndex.back().GenOffset, 16u));
}
}
void VISAObjectDebugInfo::dump() const { print(llvm::dbgs()); }
void VISAObjectDebugInfo::print(llvm::raw_ostream &OS) const {
OS << "LUT for <" << CO.kernelName << "> {\n";
OS << " --- VISAIndexToAllGenISAOff Dump (\n";
OrderedTraversal(VISAIndexToAllGenISAOff, [&OS](const auto &VisaIdx,
const auto &GenOffsets) {
OS << " VI2Gen: " << VisaIdx << " => [";
std::vector<std::string> HexStrings;
std::transform(
GenOffsets.begin(), GenOffsets.end(), std::back_inserter(HexStrings),
[](const auto &Offset) {
return (llvm::Twine("0x") + llvm::Twine::utohexstr(Offset)).str();
});
OS << llvm::join(HexStrings, ", ");
OS << "]\n";
});
OS << " )___\n";
OS << " --- GenISAToVISAIndex Dump (\n";
llvm::for_each(GenISAToVISAIndex, [&OS](const auto &GenToVisaIdx) {
OS << " G2V: 0x" << llvm::Twine::utohexstr(GenToVisaIdx.GenOffset)
<< " => " << GenToVisaIdx.VisaOffset << "\n";
});
OS << " )___\n";
OS << " --- GenISAInstSizeBytes Dump (\n";
OrderedTraversal(
GenISAInstSizeBytes, [&OS](const auto &GenOffset, const auto &Size) {
OS << " GI2Size: 0x" << llvm::Twine::utohexstr(GenOffset) << " => ";
OS << Size << "\n";
});
OS << " )___\n";
OS << "}\n";
}
VISADebugInfo::VISADebugInfo(const void *RawDbgDataPtr)
: DecodedDebugStorage(RawDbgDataPtr) {
for (const auto &CO : DecodedDebugStorage.compiledObjs) {
DebugInfoMap.emplace(std::make_pair(&CO, VISAObjectDebugInfo(CO)));
}
}
const VISAObjectDebugInfo &
VISADebugInfo::getVisaObjectDI(const VISAModule &VM) const {
auto EntryFuncName = VM.GetVISAFuncName();
IGC_ASSERT(!DebugInfoMap.empty());
if (DebugInfoMap.size() == 1)
return DebugInfoMap.begin()->second;
for (const auto &CO : DecodedDebugStorage.compiledObjs) {
auto VisaDebugInfoIt = DebugInfoMap.find(&CO);
IGC_ASSERT(VisaDebugInfoIt != DebugInfoMap.end());
if (CO.kernelName.compare(EntryFuncName.str()) == 0) {
return VisaDebugInfoIt->second;
}
if (VM.GetType() == VISAModule::ObjectType::SUBROUTINE) {
// Subroutine bounds are stored inside corresponding kernel struct
// in VISA debug info.
bool SubroutineMatched = std::any_of(
CO.subs.begin(), CO.subs.end(), [&EntryFuncName](const auto &Sub) {
return Sub.name.compare(EntryFuncName.str()) == 0;
});
if (SubroutineMatched) {
return VisaDebugInfoIt->second;
}
}
}
IGC_ASSERT_MESSAGE(0, "could not get debug info object!");
return DebugInfoMap.begin()->second;
}
const VISAObjectDebugInfo &VISADebugInfo::getVisaObjectByCompliledObjectName(
llvm::StringRef CompiledObjectName) const {
auto FoundIt = std::find_if(DecodedDebugStorage.compiledObjs.begin(),
DecodedDebugStorage.compiledObjs.end(),
[&CompiledObjectName](const auto &CO) {
return (CO.kernelName == CompiledObjectName);
});
IGC_ASSERT(FoundIt != DecodedDebugStorage.compiledObjs.end());
auto VisaDebugInfoIt = DebugInfoMap.find(&*FoundIt);
IGC_ASSERT(VisaDebugInfoIt != DebugInfoMap.end());
return VisaDebugInfoIt->second;
}
void VISADebugInfo::dump() const { print(llvm::dbgs()); }
void VISADebugInfo::print(llvm::raw_ostream &OS) const {
DecodedDebugStorage.print(OS);
OS << "--- [DBG] VISADebugInfo LUTS [DBG] ---\n";
OrderedTraversal(DebugInfoMap,
[&OS](const auto *CompiledObjDI, const auto &VoDI) {
(void)CompiledObjDI;
VoDI.print(OS);
},
[](const auto *CompiledObjL, const auto *CompiledObjR) {
return CompiledObjL->kernelName < CompiledObjR->kernelName;
});
}
} // namespace IGC
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