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SPIRVToLLVMDbgTran.cpp
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//===- SPIRVToLLVMDbgTran.cpp - Converts debug info to LLVM -----*- C++ -*-===//
//
// The LLVM/SPIR-V Translator
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
// Copyright (c) 2018 Intel Corporation. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal with the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimers.
// Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimers in the documentation
// and/or other materials provided with the distribution.
// Neither the names of Intel Corporation, nor the names of its
// contributors may be used to endorse or promote products derived from this
// Software without specific prior written permission.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH
// THE SOFTWARE.
//
//===----------------------------------------------------------------------===//
//
// This file implements translation of debug info from SPIR-V to LLVM metadata
//
//===----------------------------------------------------------------------===//
#include "SPIRVToLLVMDbgTran.h"
#include "SPIRVEntry.h"
#include "SPIRVFunction.h"
#include "SPIRVInstruction.h"
#include "SPIRVInternal.h"
#include "SPIRVReader.h"
#include "SPIRVType.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
using namespace std;
using namespace SPIRVDebug::Operand;
namespace SPIRV {
static uint64_t getDerivedSizeInBits(const DIType *Ty) {
if (auto Size = Ty->getSizeInBits())
return Size;
if (auto *DT = llvm::dyn_cast<const llvm::DIDerivedType>(Ty))
if (auto *BT = llvm::dyn_cast<const llvm::DIType>(DT->getRawBaseType()))
return getDerivedSizeInBits(BT);
return 0;
}
SPIRVToLLVMDbgTran::SPIRVToLLVMDbgTran(SPIRVModule *TBM, Module *TM,
SPIRVToLLVM *Reader)
: BM(TBM), M(TM), SPIRVReader(Reader) {
Enable = BM->hasDebugInfo();
}
void SPIRVToLLVMDbgTran::addDbgInfoVersion() {
if (!Enable)
return;
M->addModuleFlag(Module::Warning, "Debug Info Version",
DEBUG_METADATA_VERSION);
}
DIFile *
SPIRVToLLVMDbgTran::getDIFile(const std::string &FileName,
std::optional<DIFile::ChecksumInfo<StringRef>> CS,
std::optional<StringRef> Source) {
return getOrInsert(FileMap, FileName, [=]() {
SplitFileName Split(FileName);
// Use the first builder from the map to crete DIFile since it's
// relations with other debug metadata is not going through DICompileUnit
if (!Split.BaseName.empty())
return BuilderMap.begin()->second->createFile(Split.BaseName, Split.Path,
CS, Source);
return static_cast<DIFile *>(nullptr);
});
}
SPIRVExtInst *SPIRVToLLVMDbgTran::getDbgInst(const SPIRVId Id) {
SPIRVEntry *E = BM->getEntry(Id);
if (isa<OpExtInst>(E)) {
SPIRVExtInst *EI = static_cast<SPIRVExtInst *>(E);
if (EI->getExtSetKind() == SPIRV::SPIRVEIS_Debug ||
EI->getExtSetKind() == SPIRV::SPIRVEIS_OpenCL_DebugInfo_100 ||
EI->getExtSetKind() ==
SPIRV::SPIRVEIS_NonSemantic_Shader_DebugInfo_100 ||
EI->getExtSetKind() == SPIRV::SPIRVEIS_NonSemantic_Shader_DebugInfo_200)
return EI;
}
return nullptr;
}
// Check if module is generated using NonSemantic.Shader.DebugInfo.XXX
// extended instruction set
inline bool isNonSemanticDebugInfo(const SPIRVExtInstSetKind Kind) {
return (Kind == SPIRVEIS_NonSemantic_Shader_DebugInfo_100 ||
Kind == SPIRVEIS_NonSemantic_Shader_DebugInfo_200);
}
// Get integer parameter of debug instruction considering whether it's
// Literal or <id> of OpConstant instruction depending on DebugInfo
// extended instruction set kind
SPIRVWord
SPIRVToLLVMDbgTran::getConstantValueOrLiteral(const std::vector<SPIRVWord> &Ops,
const SPIRVWord Idx,
const SPIRVExtInstSetKind Kind) {
if (!isNonSemanticDebugInfo(Kind))
return Ops[Idx];
SPIRVValue *SPVConst = BM->get<SPIRVValue>(Ops[Idx]);
assert(isConstantOpCode(SPVConst->getOpCode()) &&
"NonSemantic Debug instruction's parameters must be OpConstant");
ConstantInt *Const =
cast<ConstantInt>(SPIRVReader->transValue(SPVConst, nullptr, nullptr));
return Const->getZExtValue();
}
const std::string &SPIRVToLLVMDbgTran::getString(const SPIRVId Id) {
SPIRVString *String = BM->get<SPIRVString>(Id);
assert(String && "Invalid string");
return String->getStr();
}
const std::string
SPIRVToLLVMDbgTran::getStringSourceContinued(const SPIRVId Id,
SPIRVExtInst *DebugInst) {
if (!isValidId(Id) || getDbgInst<SPIRVDebug::DebugInfoNone>(Id))
return "";
std::string Str = BM->get<SPIRVString>(Id)->getStr();
using namespace SPIRVDebug::Operand::SourceContinued;
for (auto *I : DebugInst->getContinuedInstructions()) {
std::string TmpStr =
BM->get<SPIRVString>(I->getArguments()[TextIdx])->getStr();
Str.append(TmpStr);
}
return Str;
}
void SPIRVToLLVMDbgTran::transDbgInfo(const SPIRVValue *SV, Value *V) {
// A constant sampler does not have a corresponding SPIRVInstruction.
if (SV->getOpCode() == OpConstantSampler)
return;
if (Instruction *I = dyn_cast<Instruction>(V)) {
const SPIRVInstruction *SI = static_cast<const SPIRVInstruction *>(SV);
I->setDebugLoc(transDebugScope(SI));
}
}
DIScope *SPIRVToLLVMDbgTran::getScope(const SPIRVEntry *ScopeInst) {
if (ScopeInst->getOpCode() == OpString)
return getDIFile(static_cast<const SPIRVString *>(ScopeInst)->getStr());
return transDebugInst<DIScope>(static_cast<const SPIRVExtInst *>(ScopeInst));
}
void SPIRVToLLVMDbgTran::appendToSourceLangLiteral(DICompileUnit *CompileUnit,
SPIRVWord SourceLang) {
if (!M->getModuleFlag("Source Lang Literal")) {
M->addModuleFlag(llvm::Module::Warning, "Source Lang Literal",
MDTuple::get(M->getContext(), {}));
}
auto *SourceLangLiteral =
dyn_cast<MDTuple>(M->getModuleFlag("Source Lang Literal"));
// Copy old content
SmallVector<Metadata *, 4> Nodes;
for (auto &Node : SourceLangLiteral->operands()) {
Nodes.push_back(Node);
}
// Add new entry
Nodes.push_back(MDTuple::get(
M->getContext(), SmallVector<Metadata *, 2>{
CompileUnit,
ConstantAsMetadata::get(ConstantInt::get(
Type::getInt32Ty(M->getContext()), SourceLang)),
}));
// Update
M->setModuleFlag(llvm::Module::Warning, "Source Lang Literal",
MDTuple::get(M->getContext(), Nodes));
}
DICompileUnit *
SPIRVToLLVMDbgTran::transCompilationUnit(const SPIRVExtInst *DebugInst,
const std::string CompilerVersion,
const std::string Flags) {
// Do nothing in case we have already translated the CU (e.g. during
// DebugEntryPoint translation)
if (BuilderMap[DebugInst->getId()])
return cast<DICompileUnit>(DebugInstCache[DebugInst]);
const SPIRVWordVec &Ops = DebugInst->getArguments();
using namespace SPIRVDebug::Operand::CompilationUnit;
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
// We must preserve only one Dwarf version module level metadata
// UpgradeDebugInfo from llvm/lib/IR/AutoUpgrade.cpp has already done all
// work for us during linking stage leaving a single Dwarf version in the
// module
if (!M->getModuleFlag("Dwarf Version")) {
SPIRVWord DWARFVersion = getConstantValueOrLiteral(
Ops, DWARFVersionIdx, DebugInst->getExtSetKind());
M->addModuleFlag(llvm::Module::Max, "Dwarf Version", DWARFVersion);
}
SPIRVWord SourceLang =
getConstantValueOrLiteral(Ops, LanguageIdx, DebugInst->getExtSetKind());
SPIRVWord OriginalSourceLang = SourceLang;
bool InvalidSourceLang = false;
if (DebugInst->getExtSetKind() == SPIRVEIS_NonSemantic_Shader_DebugInfo_200) {
SourceLang = convertSPIRVSourceLangToDWARFNonSemanticDbgInfo(SourceLang);
} else if (isSPIRVSourceLangValid(SourceLang)) {
SourceLang = convertSPIRVSourceLangToDWARF(SourceLang);
} else {
// Some SPIR-V producers generate invalid source language value. In such
// case the original value should be preserved in "Source Lang Literal"
// module flag for later use by LLVM IR consumers.
SourceLang = dwarf::DW_LANG_OpenCL;
InvalidSourceLang = true;
}
BuilderMap[DebugInst->getId()] = std::make_unique<DIBuilder>(*M);
assert(BuilderMap.size() != 0 && "No debug compile units");
if (isNonSemanticDebugInfo(DebugInst->getExtSetKind())) {
// Only initialize once
if (BuilderMap.size() == 1)
setBuildIdentifierAndStoragePath();
// This assertion is a guard/reminder to update the Producer argument to
// createCompileUnit() if a new DebugInfo type is ever created
assert(DebugInst->getExtSetKind() ==
SPIRVEIS_NonSemantic_Shader_DebugInfo_100 ||
DebugInst->getExtSetKind() ==
SPIRVEIS_NonSemantic_Shader_DebugInfo_200);
auto *CompileUnit = BuilderMap[DebugInst->getId()]->createCompileUnit(
SourceLang, getFile(Ops[SourceIdx]),
DebugInst->getExtSetKind() == SPIRVEIS_NonSemantic_Shader_DebugInfo_100
? CompilerVersion
: getString(Ops[ProducerIdx]),
false, Flags, 0, StoragePath,
DICompileUnit::DebugEmissionKind::FullDebug, BuildIdentifier);
if (InvalidSourceLang) {
appendToSourceLangLiteral(CompileUnit, OriginalSourceLang);
}
return CompileUnit;
}
// TODO: Remove this workaround once we switch to NonSemantic.Shader.* debug
// info by default
auto Producer = findModuleProducer();
auto *CompileUnit = BuilderMap[DebugInst->getId()]->createCompileUnit(
SourceLang, getFile(Ops[SourceIdx]), Producer, false, Flags, 0);
if (InvalidSourceLang) {
appendToSourceLangLiteral(CompileUnit, OriginalSourceLang);
}
return CompileUnit;
}
DIBasicType *SPIRVToLLVMDbgTran::transTypeBasic(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeBasic;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert((Ops.size() == OperandCountOCL ||
Ops.size() == OperandCountNonSemantic) &&
"Invalid number of operands");
StringRef Name = getString(Ops[NameIdx]);
auto Tag = static_cast<SPIRVDebug::EncodingTag>(
getConstantValueOrLiteral(Ops, EncodingIdx, DebugInst->getExtSetKind()));
unsigned Encoding = SPIRV::DbgEncodingMap::rmap(Tag);
if (Encoding == 0)
return getDIBuilder(DebugInst).createUnspecifiedType(Name);
uint64_t Size = BM->get<SPIRVConstant>(Ops[SizeIdx])->getZExtIntValue();
return getDIBuilder(DebugInst).createBasicType(Name, Size, Encoding);
}
DIDerivedType *
SPIRVToLLVMDbgTran::transTypeQualifier(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeQualifier;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() == OperandCount && "Invalid number of operands");
DIType *BaseTy =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
SPIRVWord Tag = SPIRV::DbgTypeQulifierMap::rmap(
static_cast<SPIRVDebug::TypeQualifierTag>(getConstantValueOrLiteral(
Ops, QualifierIdx, DebugInst->getExtSetKind())));
return getDIBuilder(DebugInst).createQualifiedType(Tag, BaseTy);
}
DIType *SPIRVToLLVMDbgTran::transTypePointer(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypePointer;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() == OperandCount && "Invalid number of operands");
DIType *PointeeTy = nullptr;
if (BM->getEntry(Ops[BaseTypeIdx])->getOpCode() != OpTypeVoid)
PointeeTy = transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
std::optional<unsigned> AS;
SPIRVWord SC = getConstantValueOrLiteral(Ops, StorageClassIdx,
DebugInst->getExtSetKind());
if (SC != ~0U) // all ones denote no address space
AS = SPIRSPIRVAddrSpaceMap::rmap(static_cast<SPIRVStorageClassKind>(SC));
DIType *Ty;
SPIRVWord Flags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
if (Flags & SPIRVDebug::FlagIsLValueReference)
Ty = getDIBuilder(DebugInst).createReferenceType(
dwarf::DW_TAG_reference_type, PointeeTy, 0, 0, AS);
else if (Flags & SPIRVDebug::FlagIsRValueReference)
Ty = getDIBuilder(DebugInst).createReferenceType(
dwarf::DW_TAG_rvalue_reference_type, PointeeTy, 0, 0, AS);
else
Ty = getDIBuilder(DebugInst).createPointerType(
PointeeTy, BM->getAddressingModel() * 32, 0, AS);
if (Flags & SPIRVDebug::FlagIsObjectPointer)
Ty = getDIBuilder(DebugInst).createObjectPointerType(Ty);
else if (Flags & SPIRVDebug::FlagIsArtificial)
Ty = getDIBuilder(DebugInst).createArtificialType(Ty);
return Ty;
}
DICompositeType *
SPIRVToLLVMDbgTran::transTypeArray(const SPIRVExtInst *DebugInst) {
if (DebugInst->getExtSetKind() == SPIRVEIS_NonSemantic_Shader_DebugInfo_200)
return transTypeArrayNonSemantic(DebugInst);
// TODO: figure out better naming for transTypeArrayOpenCL since
// it also handles SPIRVEIS_NonSemantic_Shader_DebugInfo_100.
// Also to consider separating OpenCL from NonSemantic, as OpenCL has several
// workarounds
return transTypeArrayOpenCL(DebugInst);
}
DICompositeType *
SPIRVToLLVMDbgTran::transTypeArrayOpenCL(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeArray;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
DIType *BaseTy =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
size_t TotalCount = 1;
SmallVector<llvm::Metadata *, 8> Subscripts;
// Ops looks like: { BaseType, count1|upperBound1, count2|upperBound2, ...,
// countN|upperBoundN, lowerBound1, lowerBound2, ..., lowerBoundN }
for (size_t I = ComponentCountIdx, E = Ops.size() / 2 + 1; I < E; ++I) {
if (auto *LocalVar = getDbgInst<SPIRVDebug::LocalVariable>(Ops[I])) {
auto *UpperBound = transDebugInst<DILocalVariable>(LocalVar);
SPIRVConstant *C = BM->get<SPIRVConstant>(Ops[Ops.size() / 2 + I]);
int64_t ConstantAsInt = static_cast<int64_t>(C->getZExtIntValue());
auto *LowerBound = ConstantAsMetadata::get(
ConstantInt::get(M->getContext(), APInt(64, ConstantAsInt)));
Subscripts.push_back(getDIBuilder(DebugInst).getOrCreateSubrange(
nullptr, LowerBound, UpperBound, nullptr));
continue;
}
if (const SPIRVExtInst * ExprUB, *ExprLB;
(ExprUB = getDbgInst<SPIRVDebug::Expression>(Ops[I])) &&
(ExprLB =
getDbgInst<SPIRVDebug::Expression>(Ops[Ops.size() / 2 + I]))) {
auto *UpperBound = transDebugInst<DIExpression>(ExprUB);
auto *LowerBound = transDebugInst<DIExpression>(ExprLB);
Subscripts.push_back(getDIBuilder(DebugInst).getOrCreateSubrange(
nullptr, LowerBound, UpperBound, nullptr));
continue;
}
if (!getDbgInst<SPIRVDebug::DebugInfoNone>(Ops[I])) {
SPIRVConstant *C = BM->get<SPIRVConstant>(Ops[I]);
int64_t Count = static_cast<int64_t>(C->getZExtIntValue());
// If the SPIR-V file was generated by an older version of the translator,
// Ops may not contain the LowerBound
if (Ops.size() / 2 + I < Ops.size()) {
C = BM->get<SPIRVConstant>(Ops[Ops.size() / 2 + I]);
int64_t LowerBound = static_cast<int64_t>(C->getZExtIntValue());
Subscripts.push_back(
getDIBuilder(DebugInst).getOrCreateSubrange(LowerBound, Count));
} else {
auto *CountAsMD = ConstantAsMetadata::get(
ConstantInt::get(M->getContext(), APInt(64, Count)));
Subscripts.push_back(getDIBuilder(DebugInst).getOrCreateSubrange(
CountAsMD, nullptr, nullptr, nullptr));
}
// Count = -1 means that the array is empty
TotalCount *= Count > 0 ? static_cast<size_t>(Count) : 0;
continue;
}
}
DINodeArray SubscriptArray =
getDIBuilder(DebugInst).getOrCreateArray(Subscripts);
size_t Size = getDerivedSizeInBits(BaseTy) * TotalCount;
return getDIBuilder(DebugInst).createArrayType(Size, 0 /*align*/, BaseTy,
SubscriptArray);
}
DICompositeType *
SPIRVToLLVMDbgTran::transTypeArrayNonSemantic(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeArray;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
DIType *BaseTy =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
size_t TotalCount = 1;
SmallVector<llvm::Metadata *, 8> Subscripts;
if (DebugInst->getExtOp() == SPIRVDebug::TypeArray) {
for (size_t I = SubrangesIdx; I < Ops.size(); ++I) {
auto *SR = transDebugInst<DISubrange>(BM->get<SPIRVExtInst>(Ops[I]));
if (auto *Count = SR->getCount().get<ConstantInt *>())
TotalCount *= Count->getSExtValue() > 0 ? Count->getSExtValue() : 0;
Subscripts.push_back(SR);
}
}
DINodeArray SubscriptArray =
getDIBuilder(DebugInst).getOrCreateArray(Subscripts);
size_t Size = getDerivedSizeInBits(BaseTy) * TotalCount;
return getDIBuilder(DebugInst).createArrayType(Size, 0 /*align*/, BaseTy,
SubscriptArray);
}
DICompositeType *
SPIRVToLLVMDbgTran::transTypeArrayDynamic(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeArrayDynamic;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
DIType *BaseTy =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
size_t TotalCount = 1;
SmallVector<llvm::Metadata *, 8> Subscripts;
for (size_t I = SubrangesIdx; I < Ops.size(); ++I) {
auto *SR = transDebugInst<DISubrange>(BM->get<SPIRVExtInst>(Ops[I]));
if (auto *Count = SR->getCount().get<ConstantInt *>())
TotalCount *= Count->getSExtValue() > 0 ? Count->getSExtValue() : 0;
Subscripts.push_back(SR);
}
DINodeArray SubscriptArray =
getDIBuilder(DebugInst).getOrCreateArray(Subscripts);
size_t Size = getDerivedSizeInBits(BaseTy) * TotalCount;
auto TransOperand =
[&](SPIRVWord Idx) -> PointerUnion<DIExpression *, DIVariable *> {
if (!getDbgInst<SPIRVDebug::DebugInfoNone>(Ops[Idx])) {
if (const auto *GV = getDbgInst<SPIRVDebug::GlobalVariable>(Ops[Idx]))
return transDebugInst<DIGlobalVariable>(GV);
if (const auto *LV = getDbgInst<SPIRVDebug::LocalVariable>(Ops[Idx]))
return transDebugInst<DILocalVariable>(LV);
if (const auto *DIExpr = getDbgInst<SPIRVDebug::Expression>(Ops[Idx]))
return transDebugInst<DIExpression>(DIExpr);
}
return nullptr;
};
PointerUnion<DIExpression *, DIVariable *> DataLocation =
TransOperand(DataLocationIdx);
PointerUnion<DIExpression *, DIVariable *> Associated =
TransOperand(AssociatedIdx);
PointerUnion<DIExpression *, DIVariable *> Allocated =
TransOperand(AllocatedIdx);
PointerUnion<DIExpression *, DIVariable *> Rank = TransOperand(RankIdx);
return getDIBuilder(DebugInst).createArrayType(Size, 0 /*align*/, BaseTy,
SubscriptArray, DataLocation,
Associated, Allocated, Rank);
}
DICompositeType *
SPIRVToLLVMDbgTran::transTypeVector(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeVector;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
DIType *BaseTy =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
SPIRVWord Count = getConstantValueOrLiteral(Ops, ComponentCountIdx,
DebugInst->getExtSetKind());
// FIXME: The current design of SPIR-V Debug Info doesn't provide a field
// for the derived memory size. Meanwhile, OpenCL/SYCL 3-element vectors
// occupy the same amount of memory as 4-element vectors, hence the simple
// elem_count * elem_size formula fails in this edge case.
// Once the specification is updated to reflect the whole memory block's
// size in SPIR-V, the calculations below must be replaced with a simple
// translation of the known size.
SPIRVWord SizeCount = (Count == 3) ? 4 : Count;
uint64_t Size = getDerivedSizeInBits(BaseTy) * SizeCount;
SmallVector<llvm::Metadata *, 8> Subscripts;
Subscripts.push_back(getDIBuilder(DebugInst).getOrCreateSubrange(0, Count));
DINodeArray SubscriptArray =
getDIBuilder(DebugInst).getOrCreateArray(Subscripts);
return getDIBuilder(DebugInst).createVectorType(Size, 0 /*align*/, BaseTy,
SubscriptArray);
}
DICompositeType *
SPIRVToLLVMDbgTran::transTypeComposite(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeComposite;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
StringRef Name = getString(Ops[NameIdx]);
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord LineNo =
getConstantValueOrLiteral(Ops, LineIdx, DebugInst->getExtSetKind());
DIScope *ParentScope = getScope(BM->getEntry(Ops[ParentIdx]));
uint64_t Size = 0;
SPIRVEntry *SizeEntry = BM->getEntry(Ops[SizeIdx]);
if (!(SizeEntry->isExtInst(SPIRVEIS_Debug, SPIRVDebug::DebugInfoNone) ||
SizeEntry->isExtInst(SPIRVEIS_OpenCL_DebugInfo_100,
SPIRVDebug::DebugInfoNone) ||
SizeEntry->isExtInst(SPIRVEIS_NonSemantic_Shader_DebugInfo_200,
SPIRVDebug::DebugInfoNone))) {
Size = BM->get<SPIRVConstant>(Ops[SizeIdx])->getZExtIntValue();
}
uint64_t Align = 0;
DIType *DerivedFrom = nullptr;
StringRef Identifier;
SPIRVEntry *UniqId = BM->get<SPIRVEntry>(Ops[LinkageNameIdx]);
if (UniqId->getOpCode() == OpString)
Identifier = static_cast<SPIRVString *>(UniqId)->getStr();
DINode::DIFlags Flags = DINode::FlagZero;
SPIRVWord SPIRVFlags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
if (SPIRVFlags & SPIRVDebug::FlagIsFwdDecl)
Flags |= DINode::FlagFwdDecl;
if (SPIRVFlags & SPIRVDebug::FlagTypePassByValue)
Flags |= DINode::FlagTypePassByValue;
if (SPIRVFlags & SPIRVDebug::FlagTypePassByReference)
Flags |= DINode::FlagTypePassByReference;
DICompositeType *CT = nullptr;
switch (getConstantValueOrLiteral(Ops, TagIdx, DebugInst->getExtSetKind())) {
case SPIRVDebug::Class:
// TODO: should be replaced with createClassType, when bug with creating
// ClassType with llvm::dwarf::DW_TAG_struct_type tag will be fixed
CT = getDIBuilder(DebugInst).createReplaceableCompositeType(
llvm::dwarf::DW_TAG_class_type, Name, ParentScope, File, LineNo, 0,
Size, Align, Flags, Identifier);
CT = llvm::MDNode::replaceWithDistinct(llvm::TempDICompositeType(CT));
break;
case SPIRVDebug::Structure:
CT = getDIBuilder(DebugInst).createStructType(
ParentScope, Name, File, LineNo, Size, Align, Flags, DerivedFrom,
DINodeArray() /*elements*/, 0 /*RunTimeLang*/, nullptr /*VTableHolder*/,
Identifier);
break;
case SPIRVDebug::Union:
CT = getDIBuilder(DebugInst).createUnionType(
ParentScope, Name, File, LineNo, Size, Align, Flags, DINodeArray(),
0 /*RuntimrLang*/, Identifier);
break;
default:
llvm_unreachable("Unexpected composite type");
break;
}
DebugInstCache[DebugInst] = CT;
SmallVector<llvm::Metadata *, 8> EltTys;
for (size_t I = FirstMemberIdx; I < Ops.size(); ++I) {
auto *MemberInst = BM->get<SPIRVExtInst>(Ops[I]);
if (MemberInst->getExtOp() == SPIRVDebug::TypeMember) {
auto *SPVMemberInst = BM->get<SPIRVExtInst>(Ops[I]);
DINode *MemberMD =
transTypeMember(SPVMemberInst, DebugInst, cast<DIScope>(CT));
EltTys.push_back(MemberMD);
DebugInstCache[SPVMemberInst] = MemberMD;
} else if (MemberInst->getExtOp() == SPIRVDebug::TypeInheritance) {
auto *SPVMemberInst = BM->get<SPIRVExtInst>(Ops[I]);
DINode *MemberMD = transTypeInheritance(SPVMemberInst, cast<DIType>(CT));
EltTys.push_back(MemberMD);
DebugInstCache[SPVMemberInst] = MemberMD;
} else {
EltTys.emplace_back(transDebugInst(BM->get<SPIRVExtInst>(Ops[I])));
}
}
DINodeArray Elements = getDIBuilder(DebugInst).getOrCreateArray(EltTys);
getDIBuilder(DebugInst).replaceArrays(CT, Elements);
assert(CT && "Composite type translation failed.");
return CT;
}
DISubrange *
SPIRVToLLVMDbgTran::transTypeSubrange(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeSubrange;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert((Ops.size() == MinOperandCount || Ops.size() == MaxOperandCount) &&
"Invalid number of operands");
std::vector<Metadata *> TranslatedOps(MaxOperandCount, nullptr);
auto TransOperand = [&Ops, &TranslatedOps, this](int Idx) -> void {
if (!getDbgInst<SPIRVDebug::DebugInfoNone>(Ops[Idx])) {
if (auto *GlobalVar = getDbgInst<SPIRVDebug::GlobalVariable>(Ops[Idx])) {
TranslatedOps[Idx] =
cast<Metadata>(transDebugInst<DIGlobalVariable>(GlobalVar));
} else if (auto *LocalVar =
getDbgInst<SPIRVDebug::LocalVariable>(Ops[Idx])) {
TranslatedOps[Idx] =
cast<Metadata>(transDebugInst<DILocalVariable>(LocalVar));
} else if (auto *Expr = getDbgInst<SPIRVDebug::Expression>(Ops[Idx])) {
TranslatedOps[Idx] = cast<Metadata>(transDebugInst<DIExpression>(Expr));
} else if (auto *Const = BM->get<SPIRVConstant>(Ops[Idx])) {
int64_t ConstantAsInt = static_cast<int64_t>(Const->getZExtIntValue());
TranslatedOps[Idx] = cast<Metadata>(ConstantAsMetadata::get(
ConstantInt::get(M->getContext(), APInt(64, ConstantAsInt))));
}
}
};
for (size_t Idx = 0; Idx < Ops.size(); ++Idx)
TransOperand(Idx);
return getDIBuilder(DebugInst).getOrCreateSubrange(
TranslatedOps[CountIdx], TranslatedOps[LowerBoundIdx],
TranslatedOps[UpperBoundIdx], TranslatedOps[StrideIdx]);
}
DIStringType *
SPIRVToLLVMDbgTran::transTypeString(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeString;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
StringRef Name = getString(Ops[NameIdx]);
unsigned Encoding = 0;
if (!getDbgInst<SPIRVDebug::DebugInfoNone>((Ops[BaseTypeIdx]))) {
DIBasicType *BaseTy =
transTypeBasic(BM->get<SPIRVExtInst>(Ops[BaseTypeIdx]));
Encoding = BaseTy->getEncoding();
}
DIExpression *StrLocationExp = nullptr;
if (!getDbgInst<SPIRVDebug::DebugInfoNone>(Ops[DataLocationIdx])) {
if (const auto *DIExpr =
getDbgInst<SPIRVDebug::Expression>(Ops[DataLocationIdx]))
StrLocationExp = transDebugInst<DIExpression>(DIExpr);
}
uint64_t SizeInBits = BM->get<SPIRVConstant>(Ops[SizeIdx])->getZExtIntValue();
DIExpression *StringLengthExp = nullptr;
DIVariable *StringLengthVar = nullptr;
if (!getDbgInst<SPIRVDebug::DebugInfoNone>(Ops[LengthAddrIdx])) {
if (const auto *GV =
getDbgInst<SPIRVDebug::GlobalVariable>(Ops[LengthAddrIdx]))
StringLengthVar = transDebugInst<DIGlobalVariable>(GV);
if (const auto *LV =
getDbgInst<SPIRVDebug::LocalVariable>(Ops[LengthAddrIdx]))
StringLengthVar = transDebugInst<DILocalVariable>(LV);
if (const auto *DIExpr =
getDbgInst<SPIRVDebug::Expression>(Ops[LengthAddrIdx]))
StringLengthExp = transDebugInst<DIExpression>(DIExpr);
}
return DIStringType::get(M->getContext(), dwarf::DW_TAG_string_type, Name,
cast_or_null<Metadata>(StringLengthVar),
cast_or_null<Metadata>(StringLengthExp),
cast_or_null<Metadata>(StrLocationExp), SizeInBits,
0 /*AlignInBits*/, Encoding);
}
DINode *SPIRVToLLVMDbgTran::transTypeMember(const SPIRVExtInst *DebugInst,
const SPIRVExtInst *ParentInst,
DIScope *Scope) {
if (isNonSemanticDebugInfo(DebugInst->getExtSetKind()))
// In NonSemantic spec TypeMember doesn't have Scope parameter
return transTypeMemberNonSemantic(DebugInst, ParentInst, Scope);
return transTypeMemberOpenCL(DebugInst);
}
DINode *
SPIRVToLLVMDbgTran::transTypeMemberOpenCL(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeMember::OpenCL;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord LineNo =
getConstantValueOrLiteral(Ops, LineIdx, DebugInst->getExtSetKind());
StringRef Name = getString(Ops[NameIdx]);
DIScope *Scope = getScope(BM->getEntry(Ops[ParentIdx]));
DIType *BaseType =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[TypeIdx]));
uint64_t OffsetInBits =
BM->get<SPIRVConstant>(Ops[OffsetIdx])->getZExtIntValue();
SPIRVWord SPIRVFlags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
DINode::DIFlags Flags = DINode::FlagZero;
if ((SPIRVDebug::FlagAccess & SPIRVFlags) == SPIRVDebug::FlagIsPublic) {
Flags |= DINode::FlagPublic;
} else if (SPIRVFlags & SPIRVDebug::FlagIsProtected) {
Flags |= DINode::FlagProtected;
} else if (SPIRVFlags & SPIRVDebug::FlagIsPrivate) {
Flags |= DINode::FlagPrivate;
}
if (SPIRVFlags & SPIRVDebug::FlagIsStaticMember)
Flags |= DINode::FlagStaticMember;
if (Flags & DINode::FlagStaticMember && Ops.size() > MinOperandCount) {
SPIRVValue *ConstVal = BM->get<SPIRVValue>(Ops[ValueIdx]);
assert(isConstantOpCode(ConstVal->getOpCode()) &&
"Static member must be a constant");
llvm::Value *Val = SPIRVReader->transValue(ConstVal, nullptr, nullptr);
return getDIBuilder(DebugInst).createStaticMemberType(
Scope, Name, File, LineNo, BaseType, Flags, cast<llvm::Constant>(Val));
}
uint64_t Size = BM->get<SPIRVConstant>(Ops[SizeIdx])->getZExtIntValue();
uint64_t Alignment = 0;
return getDIBuilder(DebugInst).createMemberType(Scope, Name, File, LineNo,
Size, Alignment, OffsetInBits,
Flags, BaseType);
}
DINode *
SPIRVToLLVMDbgTran::transTypeMemberNonSemantic(const SPIRVExtInst *DebugInst,
const SPIRVExtInst *ParentInst,
DIScope *Scope) {
if (!Scope)
// Will be translated later when processing TypeMember's parent
return nullptr;
using namespace SPIRVDebug::Operand::TypeMember::NonSemantic;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord LineNo =
getConstantValueOrLiteral(Ops, LineIdx, DebugInst->getExtSetKind());
StringRef Name = getString(Ops[NameIdx]);
DIType *BaseType =
transDebugInst<DIType>(BM->get<SPIRVExtInst>(Ops[TypeIdx]));
uint64_t OffsetInBits =
BM->get<SPIRVConstant>(Ops[OffsetIdx])->getZExtIntValue();
SPIRVWord SPIRVFlags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
DINode::DIFlags Flags = DINode::FlagZero;
if ((SPIRVDebug::FlagAccess & SPIRVFlags) == SPIRVDebug::FlagIsPublic) {
Flags |= DINode::FlagPublic;
} else if (SPIRVFlags & SPIRVDebug::FlagIsProtected) {
Flags |= DINode::FlagProtected;
} else if (SPIRVFlags & SPIRVDebug::FlagIsPrivate) {
Flags |= DINode::FlagPrivate;
}
if (SPIRVFlags & SPIRVDebug::FlagIsStaticMember)
Flags |= DINode::FlagStaticMember;
if (SPIRVFlags & SPIRVDebug::FlagBitField)
Flags |= DINode::FlagBitField;
if (Flags & DINode::FlagStaticMember && Ops.size() > MinOperandCount) {
SPIRVValue *ConstVal = BM->get<SPIRVValue>(Ops[ValueIdx]);
assert(isConstantOpCode(ConstVal->getOpCode()) &&
"Static member must be a constant");
llvm::Value *Val = SPIRVReader->transValue(ConstVal, nullptr, nullptr);
return getDIBuilder(DebugInst).createStaticMemberType(
Scope, Name, File, LineNo, BaseType, Flags, cast<llvm::Constant>(Val));
}
uint64_t Size = BM->get<SPIRVConstant>(Ops[SizeIdx])->getZExtIntValue();
uint64_t Alignment = 0;
return getDIBuilder(ParentInst)
.createMemberType(Scope, Name, File, LineNo, Size, Alignment,
OffsetInBits, Flags, BaseType);
}
DINode *SPIRVToLLVMDbgTran::transTypeEnum(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeEnum;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
StringRef Name = getString(Ops[NameIdx]);
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord LineNo =
getConstantValueOrLiteral(Ops, LineIdx, DebugInst->getExtSetKind());
DIScope *Scope = getScope(BM->getEntry(Ops[ParentIdx]));
uint64_t SizeInBits = BM->get<SPIRVConstant>(Ops[SizeIdx])->getZExtIntValue();
SPIRVWord AlignInBits = 0;
SPIRVWord Flags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
if (Flags & SPIRVDebug::FlagIsFwdDecl) {
return getDIBuilder(DebugInst).createForwardDecl(
dwarf::DW_TAG_enumeration_type, Name, Scope, File, LineNo, AlignInBits,
SizeInBits);
} else {
SmallVector<llvm::Metadata *, 16> Elts;
for (size_t I = FirstEnumeratorIdx, E = Ops.size(); I < E; I += 2) {
uint64_t Val = BM->get<SPIRVConstant>(Ops[I])->getZExtIntValue();
StringRef Name = getString(Ops[I + 1]);
Elts.push_back(getDIBuilder(DebugInst).createEnumerator(Name, Val));
}
DINodeArray Enumerators = getDIBuilder(DebugInst).getOrCreateArray(Elts);
DIType *UnderlyingType = nullptr;
SPIRVEntry *E = BM->getEntry(Ops[UnderlyingTypeIdx]);
if (!isa<OpTypeVoid>(E))
UnderlyingType = transDebugInst<DIType>(static_cast<SPIRVExtInst *>(E));
return getDIBuilder(DebugInst).createEnumerationType(
Scope, Name, File, LineNo, SizeInBits, AlignInBits, Enumerators,
UnderlyingType, "", UnderlyingType);
}
}
DINode *SPIRVToLLVMDbgTran::transTypeFunction(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypeFunction;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
SPIRVWord SPIRVFlags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
DINode::DIFlags Flags = DINode::FlagZero;
if (SPIRVFlags & SPIRVDebug::FlagIsLValueReference)
Flags |= llvm::DINode::FlagLValueReference;
if (SPIRVFlags & SPIRVDebug::FlagIsRValueReference)
Flags |= llvm::DINode::FlagRValueReference;
SPIRVEntry *E = BM->getEntry(Ops[ReturnTypeIdx]);
MDNode *RT = isa<OpTypeVoid>(E)
? nullptr
: transDebugInst(BM->get<SPIRVExtInst>(Ops[ReturnTypeIdx]));
SmallVector<llvm::Metadata *, 16> Elements{RT};
for (size_t I = FirstParameterIdx, E = Ops.size(); I < E; ++I) {
SPIRVEntry *P = BM->getEntry(Ops[I]);
MDNode *Param = isa<OpTypeVoid>(P)
? nullptr
: transDebugInst(BM->get<SPIRVExtInst>(Ops[I]));
Elements.push_back(Param);
}
DITypeRefArray ArgTypes =
getDIBuilder(DebugInst).getOrCreateTypeArray(Elements);
return getDIBuilder(DebugInst).createSubroutineType(ArgTypes, Flags);
}
DINode *
SPIRVToLLVMDbgTran::transTypePtrToMember(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::TypePtrToMember;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= OperandCount && "Invalid number of operands");
SPIRVExtInst *Member = BM->get<SPIRVExtInst>(Ops[MemberTypeIdx]);
DIType *PointeeTy = transDebugInst<DIType>(Member);
SPIRVExtInst *ContainingTy = BM->get<SPIRVExtInst>(Ops[ParentIdx]);
DIType *BaseTy = transDebugInst<DIType>(ContainingTy);
return getDIBuilder(DebugInst).createMemberPointerType(PointeeTy, BaseTy, 0);
}
DINode *SPIRVToLLVMDbgTran::transLexicalBlock(const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::LexicalBlock;
const SPIRVWordVec &Ops = DebugInst->getArguments();
DIScope *ParentScope = getScope(BM->getEntry(Ops[ParentIdx]));
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord LineNo =
getConstantValueOrLiteral(Ops, LineIdx, DebugInst->getExtSetKind());
if (Ops.size() > MinOperandCount) {
StringRef Name = getString(Ops[NameIdx]);
bool InlinedNamespace = false;
if (DebugInst->getExtSetKind() ==
SPIRVEIS_NonSemantic_Shader_DebugInfo_200) {
SPIRVValue *V = BM->get<SPIRVValue>(Ops[InlineNamespaceIdx]);
Value *Var = SPIRVReader->transValue(V, nullptr, nullptr);
InlinedNamespace = cast<ConstantInt>(Var)->isOne();
}
return getDIBuilder(DebugInst).createNameSpace(ParentScope, Name,
InlinedNamespace);
}
unsigned Column = Ops[ColumnIdx];
return getDIBuilder(DebugInst).createLexicalBlock(ParentScope, File, LineNo,
Column);
}
DINode *SPIRVToLLVMDbgTran::transLexicalBlockDiscriminator(
const SPIRVExtInst *DebugInst) {
using namespace SPIRVDebug::Operand::LexicalBlockDiscriminator;
const SPIRVWordVec &Ops = DebugInst->getArguments();
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord Disc = getConstantValueOrLiteral(Ops, DiscriminatorIdx,
DebugInst->getExtSetKind());
DIScope *ParentScope = getScope(BM->getEntry(Ops[ParentIdx]));
return getDIBuilder(DebugInst).createLexicalBlockFile(ParentScope, File,
Disc);
}
DINode *SPIRVToLLVMDbgTran::transFunction(const SPIRVExtInst *DebugInst,
bool IsMainSubprogram) {
using namespace SPIRVDebug::Operand::Function;
const SPIRVWordVec &Ops = DebugInst->getArguments();
assert(Ops.size() >= MinOperandCountNonSem && "Invalid number of operands");
if (!isNonSemanticDebugInfo(DebugInst->getExtSetKind()))
assert(Ops.size() >= MinOperandCount && "Invalid number of operands");
StringRef Name = getString(Ops[NameIdx]);
DISubroutineType *Ty =
transDebugInst<DISubroutineType>(BM->get<SPIRVExtInst>(Ops[TypeIdx]));
DIFile *File = getFile(Ops[SourceIdx]);
SPIRVWord LineNo =
getConstantValueOrLiteral(Ops, LineIdx, DebugInst->getExtSetKind());
DIScope *Scope = getScope(BM->getEntry(Ops[ParentIdx]));
StringRef LinkageName = getString(Ops[LinkageNameIdx]);
SPIRVWord SPIRVDebugFlags =
getConstantValueOrLiteral(Ops, FlagsIdx, DebugInst->getExtSetKind());
DINode::DIFlags Flags = DINode::FlagZero;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsArtificial)
Flags |= llvm::DINode::FlagArtificial;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsExplicit)
Flags |= llvm::DINode::FlagExplicit;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsPrototyped)
Flags |= llvm::DINode::FlagPrototyped;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsLValueReference)
Flags |= llvm::DINode::FlagLValueReference;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsRValueReference)
Flags |= llvm::DINode::FlagRValueReference;
if ((SPIRVDebugFlags & SPIRVDebug::FlagAccess) == SPIRVDebug::FlagIsPublic)
Flags |= llvm::DINode::FlagPublic;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsProtected)
Flags |= llvm::DINode::FlagProtected;
if (SPIRVDebugFlags & SPIRVDebug::FlagIsPrivate)
Flags |= llvm::DINode::FlagPrivate;
bool IsDefinition = SPIRVDebugFlags & SPIRVDebug::FlagIsDefinition;
bool IsOptimized = SPIRVDebugFlags & SPIRVDebug::FlagIsOptimized;
bool IsLocal = SPIRVDebugFlags & SPIRVDebug::FlagIsLocal;
bool IsMainSubprogramFlag =
IsMainSubprogram ||
(!isNonSemanticDebugInfo(DebugInst->getExtSetKind()) &&
BM->isEntryPoint(spv::ExecutionModelKernel, Ops[FunctionIdIdx]));
DISubprogram::DISPFlags SPFlags = DISubprogram::toSPFlags(
IsLocal, IsDefinition, IsOptimized, DISubprogram::SPFlagNonvirtual,
IsMainSubprogramFlag);
SPIRVWord ScopeLine =
getConstantValueOrLiteral(Ops, ScopeLineIdx, DebugInst->getExtSetKind());
// Function declaration descriptor
DISubprogram *FD = nullptr;
if (isNonSemanticDebugInfo(DebugInst->getExtSetKind()) &&
Ops.size() > DeclarationNonSemIdx) {
FD = transDebugInst<DISubprogram>(
BM->get<SPIRVExtInst>(Ops[DeclarationNonSemIdx]));
} else if (Ops.size() > DeclarationIdx) {
FD = transDebugInst<DISubprogram>(
BM->get<SPIRVExtInst>(Ops[DeclarationIdx]));
}
// Here we create fake array of template parameters. If it was plain nullptr,
// the template parameter operand would be removed in DISubprogram::getImpl.
// But we want it to be there, because if there is DebugTypeTemplate
// instruction refering to this function, transTypeTemplate method must be
// able to replace the template parameter operand, thus it must be in the
// operands list.
SmallVector<llvm::Metadata *, 8> Elts;
DINodeArray TParams = getDIBuilder(DebugInst).getOrCreateArray(Elts);
llvm::DITemplateParameterArray TParamsArray = TParams.get();
DISubprogram *DIS = nullptr;
if (Scope && (isa<DICompositeType>(Scope) || isa<DINamespace>(Scope)) &&
!IsDefinition)
DIS = getDIBuilder(DebugInst).createMethod(Scope, Name, LinkageName, File,
LineNo, Ty, 0, 0, nullptr, Flags,
SPFlags, TParamsArray);
else {
// Create targetFuncName mostly for Fortran trampoline function if it is
// the case
StringRef TargetFunction = "";
if (DebugInst->getExtSetKind() ==
SPIRVEIS_NonSemantic_Shader_DebugInfo_200 &&
Ops.size() > TargetFunctionNameIdx) {
TargetFunction = getString(Ops[TargetFunctionNameIdx]);
}
DIS = getDIBuilder(DebugInst).createFunction(
Scope, Name, LinkageName, File, LineNo, Ty, ScopeLine, Flags, SPFlags,
TParamsArray, FD,
/*ThrownTypes*/ nullptr,
/*Annotations*/ nullptr, TargetFunction);
}
DebugInstCache[DebugInst] = DIS;
// At this point, we don't have info about the function definition for
// NonSemantic.Shader debug info. If function definition is present, it'll be
// translated later within the function scope.
// For "default" debug info we do translate function body here.
if (!isNonSemanticDebugInfo(DebugInst->getExtSetKind()))
transFunctionBody(DIS, Ops[FunctionIdIdx]);
return DIS;
}
void SPIRVToLLVMDbgTran::transFunctionBody(DISubprogram *DIS, SPIRVId FuncId) {
FuncMap[FuncId] = DIS;
SPIRVEntry *E = BM->getEntry(FuncId);
if (E->getOpCode() == OpFunction) {
SPIRVFunction *BF = static_cast<SPIRVFunction *>(E);
llvm::Function *F = SPIRVReader->transFunction(BF);
assert(F && "Translation of function failed!");
if (!F->hasMetadata("dbg"))