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Debug Info: When building a module, emit skeleton CUs for imported modules.

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llvm-svn: 248184
This commit is contained in:
Adrian Prantl
2015-09-21 17:48:37 +00:00
parent 53d5cea648
commit 85d938aadb
3 changed files with 30 additions and 9 deletions
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17
clang/lib/CodeGen/CGDebugInfo.cpp
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@@ -2161,7 +2161,14 @@ ObjCInterfaceDecl *CGDebugInfo::getObjCInterfaceDecl(QualType Ty) {
llvm::DIModule *CGDebugInfo::getParentModuleOrNull(const Decl *D) {
ExternalASTSource::ASTSourceDescriptor Info;
if (ClangModuleMap) {
if (DebugTypeExtRefs && D->isFromASTFile()) {
// Record a reference to an imported clang module or precompiled header.
auto *Reader = CGM.getContext().getExternalSource();
auto Idx = D->getOwningModuleID();
auto Info = Reader->getSourceDescriptor(Idx);
if (Info)
return getOrCreateModuleRef(*Info, /*SkeletonCU=*/true);
} else if (ClangModuleMap) {
// We are building a clang module or a precompiled header.
//
// TODO: When D is a CXXRecordDecl or a C++ Enum, the ODR applies
@@ -2179,14 +2186,6 @@ llvm::DIModule *CGDebugInfo::getParentModuleOrNull(const Decl *D) {
}
}
if (DebugTypeExtRefs && D->isFromASTFile()) {
// Record a reference to an imported clang module or precompiled header.
auto *Reader = CGM.getContext().getExternalSource();
auto Idx = D->getOwningModuleID();
auto Info = Reader->getSourceDescriptor(Idx);
if (Info)
return getOrCreateModuleRef(*Info, /*SkeletonCU=*/true);
}
return nullptr;
}