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DebugInfo: Gut DIDescriptor

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PR23080 is almost finished.  With this commit, there's no consequential
API in `DIDescriptor` and its subclasses.  What's left?

  - Default-constructed to `nullptr`.
  - Handy `const_cast<>` (constructed from `const`, but accessors are
    non-`const`).

I think the safe way to catch those is to delete the classes and fix
compile errors.  That'll be my next step, after I delete the `DITypeRef`
(etc.) wrapper around `MDTypeRef`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235069 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-04-16 01:53:33 +00:00
parent 9c1aa1c021
commit b07e129e63
7 changed files with 19 additions and 69 deletions
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8
lib/IR/DIBuilder.cpp
View File

@@ -203,7 +203,7 @@ DIImportedEntity DIBuilder::createImportedDeclaration(DIScope Context,
// types that have one.
return ::createImportedModule(
VMContext, dwarf::DW_TAG_imported_declaration, Context,
DebugNodeRef::get(cast_or_null<DebugNode>(Decl.get())), Line, Name,
DebugNodeRef::get(cast_or_null<DebugNode>(Decl)), Line, Name,
AllImportedModules);
}
@@ -318,7 +318,7 @@ DIDerivedType DIBuilder::createStaticMemberType(DIDescriptor Scope,
unsigned Flags,
llvm::Constant *Val) {
// TAG_member is encoded in DIDerivedType format.
Flags |= DIDescriptor::FlagStaticMember;
Flags |= DebugNode::FlagStaticMember;
return MDDerivedType::get(
VMContext, dwarf::DW_TAG_member, Name, File, LineNumber,
MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))),
@@ -529,8 +529,8 @@ DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
DICompositeType RetTy = MDCompositeType::get(
VMContext, Tag, Name, F, Line,
MDScopeRef::get(DIScope(getNonCompileUnitScope(Scope))), nullptr,
SizeInBits, AlignInBits, 0, DIDescriptor::FlagFwdDecl, nullptr,
RuntimeLang, nullptr, nullptr, UniqueIdentifier);
SizeInBits, AlignInBits, 0, DebugNode::FlagFwdDecl, nullptr, RuntimeLang,
nullptr, nullptr, UniqueIdentifier);
if (!UniqueIdentifier.empty())
retainType(RetTy);
trackIfUnresolved(RetTy);

15
lib/IR/DebugInfo.cpp
View File

@@ -307,21 +307,6 @@ bool DebugInfoFinder::addScope(DIScope Scope) {
return true;
}
//===----------------------------------------------------------------------===//
// DIDescriptor: dump routines for all descriptors.
//===----------------------------------------------------------------------===//
void DIDescriptor::dump() const {
print(dbgs());
dbgs() << '\n';
}
void DIDescriptor::print(raw_ostream &OS) const {
if (!get())
return;
get()->print(OS);
}
template <>
DIDescriptor
DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const {