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A Decl->getName() is not unique. However, the debug info descriptors

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are uniqued. The debug info descriptor describing record's context is
necessary to keep two Decl's descriptor unique if their name match.

There is more work to do to create descriptors for DeclContext. 
As a temp. step use type's name in FwdDecl.

llvm-svn: 94050
This commit is contained in:
Devang Patel
2010-01-20 23:56:40 +00:00
parent 58552bcd65
commit 3f4a77e082
1 changed files with 8 additions and 1 deletions
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9
clang/lib/CodeGen/CGDebugInfo.cpp
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@@ -609,8 +609,15 @@ llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty,
// its members. Finally, we create a descriptor for the complete type (which
// may refer to the forward decl if the struct is recursive) and replace all
// uses of the forward declaration with the final definition.
// A Decl->getName() is not unique. However, the debug info descriptors
// are uniqued. The debug info descriptor describing record's context is
// necessary to keep two Decl's descriptor unique if their name match.
// FIXME : Use RecordDecl's DeclContext's descriptor. As a temp. step
// use type's name in FwdDecl.
std::string STy = QualType(Ty, 0).getAsString();
llvm::DICompositeType FwdDecl =
DebugFactory.CreateCompositeType(Tag, Unit, Decl->getName(),
DebugFactory.CreateCompositeType(Tag, Unit, STy.c_str(),
DefUnit, Line, 0, 0, 0, 0,
llvm::DIType(), llvm::DIArray());