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DebugInfo: Delete DIDescriptor (but not its subclasses)

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Delete `DIDescriptor` and update the remaining users.  I'll follow-up by
deleting subclasses in manageable groups (top-down).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235248 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-04-18 00:35:36 +00:00
parent 603fc8c265
commit 20b39c653c
5 changed files with 18 additions and 50 deletions
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19
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@ -167,7 +167,7 @@ int64_t DwarfUnit::getDefaultLowerBound() const {
}
/// Check whether the DIE for this MDNode can be shared across CUs.
static bool isShareableAcrossCUs(DIDescriptor D) {
static bool isShareableAcrossCUs(const DebugNode *D) {
// When the MDNode can be part of the type system, the DIE can be shared
// across CUs.
// Combining type units and cross-CU DIE sharing is lower value (since
@ -184,7 +184,7 @@ static bool isShareableAcrossCUs(DIDescriptor D) {
/// specified debug variable. We delegate the request to DwarfDebug
/// when the DIE for this MDNode can be shared across CUs. The mappings
/// will be kept in DwarfDebug for shareable DIEs.
DIE *DwarfUnit::getDIE(DIDescriptor D) const {
DIE *DwarfUnit::getDIE(const DebugNode *D) const {
if (isShareableAcrossCUs(D))
return DU->getDIE(D);
return MDNodeToDieMap.lookup(D);
@ -193,7 +193,7 @@ DIE *DwarfUnit::getDIE(DIDescriptor D) const {
/// insertDIE - Insert DIE into the map. We delegate the request to DwarfDebug
/// when the DIE for this MDNode can be shared across CUs. The mappings
/// will be kept in DwarfDebug for shareable DIEs.
void DwarfUnit::insertDIE(DIDescriptor Desc, DIE *D) {
void DwarfUnit::insertDIE(const DebugNode *Desc, DIE *D) {
if (isShareableAcrossCUs(Desc)) {
DU->insertDIE(Desc, D);
return;
@ -356,7 +356,7 @@ void DwarfUnit::addDIEEntry(DIE &Die, dwarf::Attribute Attribute,
/// Create a DIE with the given Tag, add the DIE to its parent, and
/// call insertDIE if MD is not null.
DIE &DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, DIDescriptor N) {
DIE &DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, const DebugNode *N) {
assert(Tag != dwarf::DW_TAG_auto_variable &&
Tag != dwarf::DW_TAG_arg_variable);
Parent.addChild(make_unique<DIE>((dwarf::Tag)Tag));
@ -763,8 +763,7 @@ void DwarfUnit::addLinkageName(DIE &Die, StringRef LinkageName) {
/// addTemplateParams - Add template parameters into buffer.
void DwarfUnit::addTemplateParams(DIE &Buffer, DIArray TParams) {
// Add template parameters.
for (unsigned i = 0, e = TParams.size(); i != e; ++i) {
DIDescriptor Element = TParams[i];
for (const auto *Element : TParams) {
if (auto *TTP = dyn_cast<MDTemplateTypeParameter>(Element))
constructTemplateTypeParameterDIE(Buffer, TTP);
else if (auto *TVP = dyn_cast<MDTemplateValueParameter>(Element))
@ -1040,8 +1039,7 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
case dwarf::DW_TAG_class_type: {
// Add elements to structure type.
DIArray Elements = CTy->getElements();
for (unsigned i = 0, N = Elements.size(); i < N; ++i) {
DIDescriptor Element = Elements[i];
for (const auto *Element : Elements) {
if (!Element)
continue;
if (auto *SP = dyn_cast<MDSubprogram>(Element))
@ -1438,11 +1436,10 @@ void DwarfUnit::constructEnumTypeDIE(DIE &Buffer, DICompositeType CTy) {
/// constructContainingTypeDIEs - Construct DIEs for types that contain
/// vtables.
void DwarfUnit::constructContainingTypeDIEs() {
for (DenseMap<DIE *, const MDNode *>::iterator CI = ContainingTypeMap.begin(),
CE = ContainingTypeMap.end();
for (auto CI = ContainingTypeMap.begin(), CE = ContainingTypeMap.end();
CI != CE; ++CI) {
DIE &SPDie = *CI->first;
DIDescriptor D(CI->second);
const DebugNode *D = CI->second;
if (!D)
continue;
DIE *NDie = getDIE(D);