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[cxxmodules] Enable the semantic global module index to boost performance. #5884

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[cxxmodules] Enable the semantic global module index to boost performance. #5884

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ef07ff3
Properly check if environment variable boolean values.
vgvassilev Jun 17, 2020
2149fcf
[cxxmodules] Enable the semantic global module index to boost perform…
vgvassilev Jun 17, 2020
ac2cf5a
Try reduce the visitation
vgvassilev Jul 8, 2020
916be13
Visit deeper again.
vgvassilev Jul 10, 2020
1bd7f12
Allow the first not yet loaded module only.
vgvassilev Jul 9, 2020
6b1c8a6
Operations might trigger deserialization.
vgvassilev Jul 14, 2020
8a70b4e
Load all
vgvassilev Jul 28, 2020
8bc19ca
Try to fix classification
vgvassilev Aug 7, 2020
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@vgvassilev
vgvassilev committed Aug 7, 2020
commit 916be13a02c356af552b7dec4433022f0688420c
44 changes: 21 additions & 23 deletions core/metacling/src/TCling.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1113,37 +1113,35 @@ static GlobalModuleIndex *loadGlobalModuleIndex(SourceLocation TriggerLoc, cling
struct DefinitionFinder : public RecursiveASTVisitor<DefinitionFinder> {
DefinitionFinder(clang::GlobalModuleIndex::UserDefinedInterestingIDs& IDs,
clang::TranslationUnitDecl* TU) : DefinitionIDs(IDs) {
for (const Decl* D : TU->decls()) {
if (!isa<NamedDecl>(D))
continue;
const NamedDecl* ND = cast<NamedDecl>(D);
if (!ND->isFromASTFile())
continue;

if (const TagDecl *TD = llvm::dyn_cast<TagDecl>(ND)) {
if (TD->isCompleteDefinition())
Register(TD);
} else if (const NamespaceDecl *NSD = llvm::dyn_cast<NamespaceDecl>(ND)) {
// if (!NSD->getParent()->isTranslationUnit())
// return false;
Register(NSD, /*AddSingleEntry=*/ false);
}
else if (const TypedefNameDecl *TND = dyn_cast<TypedefNameDecl>(ND))
Register(TND);
// FIXME: Add the rest...
}
//TraverseDecl(TU);
// for (const Decl* D : TU->decls()) {
// if (!isa<NamedDecl>(D))
// continue;
// const NamedDecl* ND = cast<NamedDecl>(D);
// if (!ND->isFromASTFile())
// continue;

// if (const TagDecl *TD = llvm::dyn_cast<TagDecl>(ND)) {
// if (TD->isCompleteDefinition())
// Register(TD);
// } else if (const NamespaceDecl *NSD = llvm::dyn_cast<NamespaceDecl>(ND)) {
// // if (!NSD->getParent()->isTranslationUnit())
// // return false;
// Register(NSD, /*AddSingleEntry=*/ false);
// }
// else if (const TypedefNameDecl *TND = dyn_cast<TypedefNameDecl>(ND))
// Register(TND);
// // FIXME: Add the rest...
// }
TraverseDecl(TU);
}
bool VisitNamedDecl(NamedDecl *ND) {
if (!ND->isFromASTFile())
return true; // Do not descend.
return true;

if (TagDecl *TD = llvm::dyn_cast<TagDecl>(ND)) {
if (TD->isCompleteDefinition())
Register(TD);
} else if (NamespaceDecl *NSD = llvm::dyn_cast<NamespaceDecl>(ND)) {
// if (!NSD->getParent()->isTranslationUnit())
// return false;
Register(NSD, /*AddSingleEntry=*/ false);
}
else if (TypedefNameDecl *TND = dyn_cast<TypedefNameDecl>(ND))
Expand Down