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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "common/debug/Dump.hpp"
#include "common/debug/TeeOutputStream.hpp"
#include "AdaptorCommon/customApi.hpp"
#include "Compiler/CodeGenPublic.h"
#include "Compiler/CISACodeGen/ShaderCodeGen.hpp"
#include "common/igc_regkeys.hpp"
#include <iStdLib/utility.h>
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Value.h>
#include <llvm/Support/raw_ostream.h>
#include <llvm/Support/raw_os_ostream.h>
#include <llvm/Support/FormattedStream.h>
#include <llvm/Support/FileSystem.h>
#include "common/LLVMWarningsPop.hpp"
#include <stdarg.h>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <mutex>
#include <algorithm>
#include <regex>
#include "Probe/Assertion.h"
using namespace IGC;
using namespace IGC::Debug;
using namespace std;
namespace IGC
{
namespace Debug
{
char ModuleFlushDumpPass::ID = 0;
char FunctionFlushDumpPass::ID = 0;
const char* GetShaderTypeAcronym(ShaderType shaderType)
{
switch (shaderType)
{
case ShaderType::OPENCL_SHADER:
return "OCL";
case ShaderType::PIXEL_SHADER:
return "PS";
case ShaderType::DOMAIN_SHADER:
return "DS";
case ShaderType::HULL_SHADER:
return "HS";
case ShaderType::VERTEX_SHADER:
return "VS";
case ShaderType::GEOMETRY_SHADER:
return "GS";
case ShaderType::COMPUTE_SHADER:
return "CS"; break;
case ShaderType::RAYTRACING_SHADER:
return "RT"; break;
case ShaderType::UNKNOWN:
default:
IGC_ASSERT_MESSAGE(0, "Unknown Shader Type");
return "UNKNOWN";
}
}
/*************************************************************************************************\
* Generic
*/
DumpName::DumpName( std::string const& dumpName )
: m_dumpName(dumpName)
{
}
DumpName::DumpName()
{
}
DumpName DumpName::ShaderName(std::string const& name) const
{
IGC_ASSERT_MESSAGE(name.find(' ') == std::string::npos, "Shader name must not contain spaces");
DumpName copy(*this);
copy.m_shaderName = name;
return copy;
}
DumpName DumpName::Type(ShaderType type) const
{
DumpName copy(*this);
copy.m_type = type;
return copy;
}
DumpName DumpName::PSPhase(PixelShaderPhaseType phase) const
{
DumpName copy(*this);
copy.m_psPhase = phase;
return copy;
}
DumpName DumpName::Retry(unsigned retryId) const
{
DumpName copy(*this);
copy.m_retryId = retryId;
return copy;
}
DumpName DumpName::Extension(std::string const& extension) const
{
IGC_ASSERT_MESSAGE((extension.size() == 0) || (extension.at(0) != '.'),
"Extension shouldn't start with a '.', and shouldn't be empty");
IGC_ASSERT_MESSAGE(extension.find(' ') == std::string::npos, "Extension must not contain spaces");
DumpName copy(*this);
copy.m_extension = extension;
return copy;
}
DumpName DumpName::StagedInfo(void const* context) const
{
DumpName copy(*this);
if (!context)
{
return copy;
}
IGC::CodeGenContext const* ctx = static_cast<IGC::CodeGenContext const*>(context);
if (!IsStage2RestSIMDs(ctx->m_StagingCtx) &&
ctx->m_CgFlag != FLAG_CG_ALL_SIMDS)
{
copy.m_cgFlag = ctx->m_CgFlag;
}
else if (IsStage2RestSIMDs(ctx->m_StagingCtx))
{
copy.m_cgFlag = FLAG_CG_ALL_SIMDS;
}
return copy;
}
DumpName DumpName::SIMDSize(SIMDMode width) const
{
DumpName copy(*this);
copy.m_simdWidth = width;
return copy;
}
DumpName DumpName::DispatchMode(ShaderDispatchMode mode) const
{
DumpName copy(*this);
switch(mode)
{
case ShaderDispatchMode::SINGLE_PATCH:
case ShaderDispatchMode::DUAL_PATCH:
case ShaderDispatchMode::EIGHT_PATCH:
copy.m_ShaderMode = mode;
break;
default:
break;
}
return copy;
}
DumpName DumpName::Hash(ShaderHash hash) const
{
DumpName copy(*this);
copy.m_hash = hash;
return copy;
}
DumpName DumpName::PostFix(std::string const& postfixStr) const
{
DumpName copy(*this);
copy.m_postfixStr = postfixStr;
return copy;
}
DumpName DumpName::Pass(std::string const& name, llvm::Optional<unsigned int> index) const
{
std::string newName = name;
//remove spaces
newName.erase(remove_if(
newName.begin(),
newName.end(),
[](char c) { return isspace(static_cast<unsigned char>(c)); }),
newName.end());
std::replace_if(newName.begin(), newName.end(),
[](const char s) { return s == '/' || s == '\\'; }, '_');
IGC_ASSERT_MESSAGE(newName.find(' ') == std::string::npos, "Pass name must not contain spaces");
DumpName copy(*this);
CPassDescriptor pd = { newName, index };
copy.m_pass = pd;
return copy;
}
std::unordered_map<QWORD, unsigned int> shaderHashMap;
std::mutex DumpName::hashMapLock;
unsigned int DumpName::shaderNum = 1;
std::string DumpName::AbsolutePath(OutputFolderName folder) const
{
std::stringstream ss;
bool underscore = false; /// Determines whether the next segment prints a leading underscore
ss << folder;
// m_dumpName = IGC::Debug::GetShaderOutputName();
if(m_dumpName.hasValue() && m_dumpName.getValue() != "")
{
ss << m_dumpName.getValue();
underscore = true;
}
if(m_shaderName.hasValue())
{
ss << (underscore ? "_" : "")
<< m_shaderName.getValue();
underscore = true;
}
if(m_type.hasValue())
{
ss << (underscore ? "_" : "");
ss << GetShaderTypeAcronym(m_type.getValue());
underscore = true;
}
if(m_psPhase.hasValue())
{
if(m_psPhase.getValue() != PixelShaderPhaseType::PSPHASE_LEGACY)
{
ss << (underscore ? "_" : "");
switch(m_psPhase.getValue())
{
case PixelShaderPhaseType::PSPHASE_COARSE: ss << "CPS"; break;
case PixelShaderPhaseType::PSPHASE_PIXEL: ss << "PS"; break;
default: IGC_ASSERT(0); break;
}
}
}
if(m_hash.hasValue())
{
if (m_type.hasValue() && IGC_IS_FLAG_ENABLED(EnableShaderNumbering)) {
bool increment = shaderHashMap.insert({ m_hash->asmHash, shaderNum }).second;
//Need to serialize access to the shaderNum counter in case different threads need to dump the same shader at once.
hashMapLock.lock();
if (increment) shaderNum++;
hashMapLock.unlock();
ss << "_"
<< shaderHashMap[m_hash->asmHash]
<< "_";
}
if (m_hash->asmHash != 0) {
ss << (underscore ? "_" : "")
<< "asm"
<< std::hex
<< std::setfill('0')
<< std::setw(sizeof(m_hash->asmHash) * CHAR_BIT / 4)
<< m_hash->asmHash
<< std::dec
<< std::setfill(' ');
}
if (m_hash->nosHash != 0)
{
ss << "_"
<< "nos"
<< std::hex
<< std::setfill('0')
<< std::setw(sizeof(m_hash->nosHash) * CHAR_BIT / 4)
<< m_hash->nosHash
<< std::dec
<< std::setfill(' ');
}
if (m_hash->psoHash != 0)
{
ss << "_"
<< "pso"
<< std::hex
<< std::setfill('0')
<< std::setw(sizeof(m_hash->psoHash) * CHAR_BIT / 4)
<< m_hash->psoHash
<< std::dec
<< std::setfill(' ');
}
if (m_hash->perShaderPsoHash != 0)
{
ss << "_"
<< "spec"
<< std::hex
<< std::setfill('0')
<< std::setw(sizeof(m_hash->perShaderPsoHash) * CHAR_BIT / 4)
<< m_hash->perShaderPsoHash
<< std::dec
<< std::setfill(' ');
}
underscore = true;
}
if(m_pass.hasValue())
{
if(m_pass->m_index.hasValue())
{
ss << (underscore ? "_" : "")
<< std::setfill('0')
<< std::setw(4)
<< m_pass->m_index.getValue()
<< std::setfill(' ');
underscore = true;
}
ss << (underscore ? "_" : "")
<< m_pass->m_name;
underscore = true;
}
if (m_cgFlag.hasValue() && m_cgFlag.getValue() != FLAG_CG_ALL_SIMDS)
{
ss << (underscore ? "_" : "");
if (m_cgFlag.getValue() == FLAG_CG_STAGE1_FAST_COMPILE)
{
ss << "FastStage1";
}
else if (m_cgFlag.getValue() == FLAG_CG_STAGE1_BEST_PERF)
{
ss << "BestStage1";
}
else
{
IGC_ASSERT(m_cgFlag.getValue() == FLAG_CG_STAGE1_FASTEST_COMPILE);
ss << "FastestStage1";
}
underscore = true;
}
else if (m_cgFlag.hasValue())
{
ss << (underscore ? "_" : "");
ss << "RestStage2";
underscore = true;
}
if (m_retryId.hasValue())
{
if (m_retryId.getValue())
{
ss << "_" << m_retryId.getValue();
}
}
if(m_simdWidth.hasValue())
{
ss << (underscore ? "_" : "")
<< "simd"
<< numLanes(m_simdWidth.getValue());
underscore = true;
}
if(m_ShaderMode.hasValue())
{
if(m_ShaderMode.getValue() == ShaderDispatchMode::SINGLE_PATCH)
{
ss << (underscore ? "_" : "")
<< "SinglePatch";
underscore = true;
}
if (m_ShaderMode.getValue() == ShaderDispatchMode::DUAL_PATCH)
{
ss << (underscore ? "_" : "")
<< "DualPatch";
underscore = true;
}
if(m_ShaderMode.getValue() == ShaderDispatchMode::EIGHT_PATCH)
{
ss << (underscore ? "_" : "")
<< "EightPatch";
underscore = true;
}
}
if(m_postfixStr.hasValue() && !m_postfixStr.getValue().empty())
{
std::string s = m_postfixStr.getValue();
// sanitize the function name
std::replace(s.begin(), s.end(), (char)1, '_');
std::replace(s.begin(), s.end(), '/', '_');
std::replace(s.begin(), s.end(), '\\', '_');
std::replace(s.begin(), s.end(), ':', '_');
std::replace(s.begin(), s.end(), '*', '_');
std::replace(s.begin(), s.end(), '?', '_');
std::replace(s.begin(), s.end(), '\"', '_');
std::replace(s.begin(), s.end(), '<', '_');
std::replace(s.begin(), s.end(), '>', '_');
std::replace(s.begin(), s.end(), '|', '_');
// vISA does not support string of length >= 255. Truncate if this
// exceeds the limit. Note that vISA may append an extension, so relax
// it to a random number 240 here. And this assumes postfix string is
// the last chunk to compose the dump name before adding the extension.
// TODO: The existing WA does not guarantee the uniqueness of the
// filename when truncating the postfix. Will need to fix it.
const size_t MAX_VISA_STRING_LENGTH = 240;
const size_t curLen = static_cast<size_t>(ss.tellp());
const size_t extSize =
!m_extension.hasValue() ? 0 : 1 + m_extension.getValue().size();
if (curLen + 1 + s.size() + extSize > MAX_VISA_STRING_LENGTH)
{
s.resize(MAX_VISA_STRING_LENGTH - curLen - 1 - extSize);
}
ss << "_"
<< s;
}
if(m_extension.hasValue())
{
ss << "." << m_extension.getValue();
}
return ss.str();
}
std::string DumpName::GetKernelName() const
{
std::string kernelName = "";
if (m_postfixStr.hasValue() && !m_postfixStr.getValue().empty())
{
kernelName = m_postfixStr.getValue();
}
return kernelName;
}
std::string DumpName::str() const
{
return AbsolutePath(IGC::Debug::GetShaderOutputFolder());
}
std::string DumpName::overridePath() const
{
return AbsolutePath(IGC::Debug::GetShaderOverridePath());
}
std::string DumpName::RelativePath() const
{
return AbsolutePath("");
}
bool DumpName::allow() const
{
const char* regex = IGC_GET_REGKEYSTRING(ShaderDumpFilter);
if (!regex || *regex == '\0')
return true;
std::regex fileRegex(regex);
return std::regex_search(RelativePath(), fileRegex);
}
namespace {
bool isText( DumpType type )
{
switch ( type )
{
case DumpType::NOS_TEXT : return true;
case DumpType::CIS_TEXT : return true;
case DumpType::COS_TEXT : return true;
case DumpType::ASM_TEXT : return true;
case DumpType::ASM_BC : return false;
case DumpType::TRANSLATED_IR_TEXT : return true;
case DumpType::TRANSLATED_IR_BC : return false;
case DumpType::PASS_IR_TEXT : return true;
case DumpType::PASS_IR_BC : return false;
case DumpType::OptIR_TEXT : return true;
case DumpType::OptIR_BC : return false;
case DumpType::VISA_TEXT : return true;
case DumpType::VISA_BC : return false;
case DumpType::GENX_ISA_TEXT : return true;
case DumpType::GENX_ISA_BC : return false;
case DumpType::LLVM_OPT_STAT_TEXT : return true;
case DumpType::TIME_STATS_TEXT : return true;
case DumpType::TIME_STATS_CSV : return true;
case DumpType::DBG_MSG_TEXT : return true;
default : IGC_ASSERT_MESSAGE(0, "unreachable"); return true;
}
}
const char* commentPrefix( DumpType type )
{
IGC_ASSERT_MESSAGE(isText(type), "Only text types are supported");
switch ( type )
{
case DumpType::NOS_TEXT : return "// ";
case DumpType::CIS_TEXT : return "// ";
case DumpType::COS_TEXT : return "// ";
case DumpType::ASM_TEXT : return "// ";
case DumpType::TRANSLATED_IR_TEXT : return "; ";
case DumpType::PASS_IR_TEXT : return "; ";
case DumpType::OptIR_TEXT : return "; ";
case DumpType::VISA_TEXT : return "/// ";
case DumpType::GENX_ISA_TEXT : return "/// ";
case DumpType::LLVM_OPT_STAT_TEXT : return "";
case DumpType::TIME_STATS_TEXT : return "";
case DumpType::DBG_MSG_TEXT : return "";
case DumpType::TIME_STATS_CSV : IGC_ASSERT_MESSAGE(0, "CSV doesn't have comments"); return "";
default : IGC_ASSERT_MESSAGE(0, "unreachable"); return "#";
}
}
bool isConsolePrintable( DumpType type )
{
return isText( type ) && type != DumpType::TIME_STATS_CSV;
}
}
namespace
{
/// Writes a prefix to the underlying stream upon first write. Forwards to the underlying
/// stream on every subsequent write.
class PrefixStream
: public llvm::raw_ostream
{
public:
PrefixStream( std::string const& prefix, Colors color, llvm::raw_ostream* pUnder, bool deleteStream )
: llvm::raw_ostream( true /* unbuffered */ )
, m_prefix(prefix)
, m_prefixColor(color)
, m_pUnder(pUnder)
, m_deleteStream(deleteStream)
, m_isFirstWrite(true)
{
}
virtual ~PrefixStream()
{
flush();
if (m_deleteStream)
{
m_pUnder->flush();
delete m_pUnder;
}
}
virtual uint64_t current_pos() const override
{
return 0;
}
virtual raw_ostream& changeColor(enum Colors Color, bool Bold=false, bool BG=false) override
{
m_pUnder->changeColor(Color,Bold,BG);
return *this;
}
virtual raw_ostream& resetColor() override
{
m_pUnder->resetColor();
return *this;
}
virtual raw_ostream& reverseColor() override
{
m_pUnder->reverseColor();
return *this;
}
virtual bool is_displayed() const override
{
return m_pUnder->is_displayed();
}
virtual bool has_colors() const override
{
return m_pUnder->has_colors();
}
protected:
virtual size_t preferred_buffer_size() const override
{
return 0;
}
private:
void write_impl(const char* Ptr, size_t Size) override
{
if (m_isFirstWrite)
{
ods().changeColor(m_prefixColor, true, false);
*m_pUnder << m_prefix;
ods().resetColor();
m_isFirstWrite = false;
}
m_pUnder->write(Ptr,Size);
}
private:
const std::string m_prefix;
const Colors m_prefixColor;
llvm::raw_ostream* const m_pUnder;
const bool m_deleteStream;
bool m_isFirstWrite;
};
} // anonymous namespace
// Note: This constructor is not allowed to hold on to the dumpName reference after it finishes
// (In the case where Dump is on the heap and DumpName is on the stack, the reference would go bad
// when the calling function returns)
Dump::Dump( DumpName const& dumpName, DumpType type )
: m_name( dumpName )
, m_pStream(std::make_unique<llvm::raw_string_ostream>(m_string)) // buffered stream!
, m_pStringStream( nullptr )
, m_type(type)
, m_ClearFile(true)
{
m_pStringStream = m_pStream.get();
if (isConsolePrintable(m_type))
{
if (IGC_IS_FLAG_ENABLED(PrintToConsole))
{
m_pStream->SetUnbuffered();
m_pStream.reset(new TeeOutputStream(&ods(), false, m_pStream.release(), true));
}
std::stringstream ss;
ss << commentPrefix(m_type) << "------------------------------------------------\n";
ss << commentPrefix(m_type) << dumpName.RelativePath() << "\n";
ss << commentPrefix(m_type) << "------------------------------------------------\n";
m_pStream.reset(
new PrefixStream(
ss.str(),
llvm::raw_ostream::Colors::YELLOW,
m_pStream.release(),
true));
}
}
void Dump::flush()
{
m_pStringStream->flush();
if (m_string.empty() && !m_ClearFile)
{
return;
}
std::ios_base::openmode mode = std::ios_base::out;
if (m_ClearFile)
{
m_ClearFile = false;
}
else
{
mode |= std::ios_base::app;
}
if (!isText(m_type))
mode |= std::ios_base::binary;
std::ofstream asmFile(m_name.str(), mode);
asmFile << m_string;
asmFile.close();
m_string.clear();
}
Dump::~Dump()
{
flush();
}
llvm::raw_ostream& Dump::stream() const
{
return *m_pStream;
}
void DumpLLVMIRText(
llvm::Module* pModule,
const DumpName& dumpName,
llvm::AssemblyAnnotationWriter* optionalAnnotationWriter /* = nullptr */)
{
#if defined(IGC_DEBUG_VARIABLES)
if (dumpName.allow())
{
auto dump = Dump(dumpName, DumpType::PASS_IR_TEXT);
IGC::Debug::DumpLock();
pModule->print(dump.stream(), optionalAnnotationWriter);
IGC::Debug::DumpUnlock();
}
#endif
}
int PrintDebugMsgV(
const Dump* dump,
const char* fmt,
va_list ap)
{
#if defined( _DEBUG ) || defined( _INTERNAL )
if (dump)
{
char buf[512];
int r;
r = vsnprintf(buf, sizeof(buf), fmt, ap);
buf[sizeof(buf) - 1] = '\0';
dump->stream() << buf;
return r;
}
#endif
return 0;
}
void PrintDebugMsg(
const Dump* dump,
const char* fmt,
...)
{
#if defined( _DEBUG ) || defined( _INTERNAL )
va_list ap;
va_start(ap, fmt);
PrintDebugMsgV(dump, fmt, ap);
va_end(ap);
#endif
}
ShaderHash ShaderHashOCL(const UINT* pShaderCode, size_t size)
{
ShaderHash hash;
hash.asmHash = iSTD::Hash(reinterpret_cast<const DWORD*>(pShaderCode), int_cast<DWORD>(size));
hash.nosHash = 0;
return hash;
}
ShaderHash ShaderHashOGL(QWORD glslHash, QWORD nosHash)
{
ShaderHash shaderHash;
shaderHash.asmHash = glslHash;
shaderHash.nosHash = nosHash;
return shaderHash;
}
std::string GetDumpName(const IGC::CShader* pProgram, const char* ext)
{
return GetDumpNameObj(pProgram, ext).str();
}
DumpName GetDumpNameObj(const IGC::CShader* pProgram, const char* ext)
{
IGC::CodeGenContext* context = pProgram->GetContext();
bool overrideHash = false;
DumpName dumpName =
IGC::Debug::DumpName(IGC::Debug::GetShaderOutputName())
.Type(context->type)
.Hash(context->hash)
.StagedInfo(context);
if (overrideHash)
context->hash.asmHash = 0;
IGC_ASSERT_MESSAGE(pProgram->entry, "ICE: entry should be setup and valid!");
std::string shaderName(pProgram->entry->getName().str());
pProgram->getShaderFileName(shaderName);
dumpName = dumpName.PostFix(shaderName);
dumpName = dumpName.DispatchMode(pProgram->m_ShaderDispatchMode);
dumpName = dumpName.SIMDSize(pProgram->m_dispatchSize).Retry(context->m_retryManager.GetRetryId()).Extension(ext);
return dumpName;
}
DumpName GetLLDumpName(IGC::CodeGenContext* pContext, const char* dumpName)
{
auto name =
DumpName(GetShaderOutputName())
.Hash(pContext->hash)
.Type(pContext->type)
.Pass(dumpName)
.Retry(pContext->m_retryManager.GetRetryId())
.Extension("ll");
return name;
}
} // namespace Debug
} // namespace IGC
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