// TODO: Determine whether or not we should add names for programs
// that do not have a DW_AT_name or DW_AT_linkage_name field - this
// is only slightly different than the lookup of non-standard ObjC names.
-void DwarfDebug::addSubprogramNames(DISubprogram SP, DIE &Die) {
+void DwarfDebug::addSubprogramNames(const MDSubprogram *SP, DIE &Die) {
if (!SP->isDefinition())
return;
addAccelName(SP->getName(), Die);
// Create new DwarfCompileUnit for the given metadata node with tag
// DW_TAG_compile_unit.
-DwarfCompileUnit &DwarfDebug::constructDwarfCompileUnit(DICompileUnit DIUnit) {
+DwarfCompileUnit &
+DwarfDebug::constructDwarfCompileUnit(const MDCompileUnit *DIUnit) {
StringRef FN = DIUnit->getFilename();
CompilationDir = DIUnit->getDirectory();
}
void DwarfDebug::constructAndAddImportedEntityDIE(DwarfCompileUnit &TheCU,
- const MDNode *N) {
- DIImportedEntity Module = cast<MDImportedEntity>(N);
- if (DIE *D = TheCU.getOrCreateContextDIE(Module->getScope()))
- D->addChild(TheCU.constructImportedEntityDIE(Module));
+ const MDImportedEntity *N) {
+ if (DIE *D = TheCU.getOrCreateContextDIE(N->getScope()))
+ D->addChild(TheCU.constructImportedEntityDIE(N));
}
// Emit all Dwarf sections that should come prior to the content. Create
SingleCU = CU_Nodes->getNumOperands() == 1;
for (MDNode *N : CU_Nodes->operands()) {
- DICompileUnit CUNode = cast<MDCompileUnit>(N);
+ auto *CUNode = cast<MDCompileUnit>(N);
DwarfCompileUnit &CU = constructDwarfCompileUnit(CUNode);
for (auto *IE : CUNode->getImportedEntities())
ScopesWithImportedEntities.push_back(std::make_pair(IE->getScope(), IE));
if (NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu")) {
for (MDNode *N : CU_Nodes->operands()) {
- DICompileUnit TheCU = cast<MDCompileUnit>(N);
+ auto *TheCU = cast<MDCompileUnit>(N);
// Construct subprogram DIE and add variables DIEs.
DwarfCompileUnit *SPCU =
static_cast<DwarfCompileUnit *>(CUMap.lookup(TheCU));
}
// Find abstract variable, if any, associated with Var.
-DbgVariable *DwarfDebug::getExistingAbstractVariable(InlinedVariable IV,
- DIVariable &Cleansed) {
+DbgVariable *
+DwarfDebug::getExistingAbstractVariable(InlinedVariable IV,
+ const MDLocalVariable *&Cleansed) {
// More then one inlined variable corresponds to one abstract variable.
Cleansed = IV.first;
auto I = AbstractVariables.find(Cleansed);
}
DbgVariable *DwarfDebug::getExistingAbstractVariable(InlinedVariable IV) {
- DIVariable Cleansed;
+ const MDLocalVariable *Cleansed;
return getExistingAbstractVariable(IV, Cleansed);
}
-void DwarfDebug::createAbstractVariable(const DIVariable &Var,
+void DwarfDebug::createAbstractVariable(const MDLocalVariable *Var,
LexicalScope *Scope) {
auto AbsDbgVariable =
- make_unique<DbgVariable>(Var, nullptr, DIExpression(), this);
+ make_unique<DbgVariable>(Var, /* IA */ nullptr, /* Expr */ nullptr, this);
InfoHolder.addScopeVariable(Scope, AbsDbgVariable.get());
AbstractVariables[Var] = std::move(AbsDbgVariable);
}
void DwarfDebug::ensureAbstractVariableIsCreated(InlinedVariable IV,
const MDNode *ScopeNode) {
- DIVariable Cleansed;
+ const MDLocalVariable *Cleansed = nullptr;
if (getExistingAbstractVariable(IV, Cleansed))
return;
void DwarfDebug::ensureAbstractVariableIsCreatedIfScoped(
InlinedVariable IV, const MDNode *ScopeNode) {
- DIVariable Cleansed;
+ const MDLocalVariable *Cleansed = nullptr;
if (getExistingAbstractVariable(IV, Cleansed))
return;
if (!Scope)
continue;
- DIExpression Expr = cast_or_null<MDExpression>(VI.Expr);
+ const MDExpression *Expr = cast_or_null<MDExpression>(VI.Expr);
ensureAbstractVariableIsCreatedIfScoped(Var, Scope->getScopeNode());
auto RegVar =
make_unique<DbgVariable>(Var.first, Var.second, Expr, this, VI.Slot);
}
/// Determine whether two variable pieces overlap.
-static bool piecesOverlap(DIExpression P1, DIExpression P2) {
+static bool piecesOverlap(const MDExpression *P1, const MDExpression *P2) {
if (!P1->isBitPiece() || !P2->isBitPiece())
return true;
unsigned l1 = P1->getBitPieceOffset();
}
// If this piece overlaps with any open ranges, truncate them.
- DIExpression DIExpr = Begin->getDebugExpression();
+ const MDExpression *DIExpr = Begin->getDebugExpression();
auto Last = std::remove_if(OpenRanges.begin(), OpenRanges.end(),
[&](DebugLocEntry::Value R) {
return piecesOverlap(DIExpr, R.getExpression());
// Find variables for each lexical scope.
-void DwarfDebug::collectVariableInfo(DwarfCompileUnit &TheCU, DISubprogram SP,
+void DwarfDebug::collectVariableInfo(DwarfCompileUnit &TheCU,
+ const MDSubprogram *SP,
DenseSet<InlinedVariable> &Processed) {
// Grab the variable info that was squirreled away in the MMI side-table.
collectVariableInfoFromMMITable(Processed);
}
// Collect info for variables that were optimized out.
- for (DIVariable DV : SP->getVariables()) {
+ for (const MDLocalVariable *DV : SP->getVariables()) {
if (!Processed.insert(InlinedVariable(DV, nullptr)).second)
continue;
if (LexicalScope *Scope = LScopes.findLexicalScope(DV->getScope())) {
ensureAbstractVariableIsCreatedIfScoped(InlinedVariable(DV, nullptr),
Scope->getScopeNode());
- DIExpression NoExpr;
- ConcreteVariables.push_back(
- make_unique<DbgVariable>(DV, nullptr, NoExpr, this));
+ ConcreteVariables.push_back(make_unique<DbgVariable>(
+ DV, /* IA */ nullptr, /* Expr */ nullptr, this));
InfoHolder.addScopeVariable(Scope, ConcreteVariables.back().get());
}
}
// The first mention of a function argument gets the CurrentFnBegin
// label, so arguments are visible when breaking at function entry.
- DIVariable DIVar = Ranges.front().first->getDebugVariable();
+ const MDLocalVariable *DIVar = Ranges.front().first->getDebugVariable();
if (DIVar->getTag() == dwarf::DW_TAG_arg_variable &&
getDISubprogram(DIVar->getScope())->describes(MF->getFunction())) {
LabelsBeforeInsn[Ranges.front().first] = Asm->getFunctionBegin();
if (Ranges.front().first->getDebugExpression()->isBitPiece()) {
// Mark all non-overlapping initial pieces.
for (auto I = Ranges.begin(); I != Ranges.end(); ++I) {
- DIExpression Piece = I->first->getDebugExpression();
+ const MDExpression *Piece = I->first->getDebugExpression();
if (std::all_of(Ranges.begin(), I,
[&](DbgValueHistoryMap::InstrRange Pred) {
return !piecesOverlap(Piece, Pred.first->getDebugExpression());
Asm->OutStreamer.getContext().setDwarfCompileUnitID(0);
LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
- DISubprogram SP = cast<MDSubprogram>(FnScope->getScopeNode());
+ auto *SP = cast<MDSubprogram>(FnScope->getScopeNode());
DwarfCompileUnit &TheCU = *SPMap.lookup(SP);
DenseSet<InlinedVariable> ProcessedVars;
#endif
// Construct abstract scopes.
for (LexicalScope *AScope : LScopes.getAbstractScopesList()) {
- DISubprogram SP = cast<MDSubprogram>(AScope->getScopeNode());
+ auto *SP = cast<MDSubprogram>(AScope->getScopeNode());
// Collect info for variables that were optimized out.
- for (DIVariable DV : SP->getVariables()) {
+ for (const MDLocalVariable *DV : SP->getVariables()) {
if (!ProcessedVars.insert(InlinedVariable(DV, nullptr)).second)
continue;
ensureAbstractVariableIsCreated(InlinedVariable(DV, nullptr),
DwarfExpr.AddUnsignedConstant(Value.getInt());
} else if (Value.isLocation()) {
MachineLocation Loc = Value.getLoc();
- DIExpression Expr = Value.getExpression();
+ const MDExpression *Expr = Value.getExpression();
if (!Expr || !Expr->getNumElements())
// Regular entry.
AP.EmitDwarfRegOp(Streamer, Loc);
unsigned Offset = 0;
for (auto Piece : Values) {
- DIExpression Expr = Piece.getExpression();
+ const MDExpression *Expr = Piece.getExpression();
unsigned PieceOffset = Expr->getBitPieceOffset();
unsigned PieceSize = Expr->getBitPieceSize();
assert(Offset <= PieceOffset && "overlapping or duplicate pieces");
void DwarfDebug::addDwarfTypeUnitType(DwarfCompileUnit &CU,
StringRef Identifier, DIE &RefDie,
- DICompositeType CTy) {
+ const MDCompositeType *CTy) {
// Fast path if we're building some type units and one has already used the
// address pool we know we're going to throw away all this work anyway, so
// don't bother building dependent types.
// This is inefficient because all the dependent types will be rebuilt
// from scratch, including building them in type units, discovering that
// they depend on addresses, throwing them out and rebuilding them.
- CU.constructTypeDIE(RefDie, CTy);
+ CU.constructTypeDIE(RefDie, cast<MDCompositeType>(CTy));
return;
}