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[DebugInfo] Avoid repeated map lookups (NFC) #111936

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Merged
merged 1 commit into from
Oct 11, 2024
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[DebugInfo] Avoid repeated map lookups (NFC) #111936

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23 changes: 11 additions & 12 deletions llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewVisitor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -173,10 +173,11 @@ class LVForwardReferences {

// Update a previously recorded forward reference with its definition.
void update(StringRef Name, TypeIndex TIReference) {
if (ForwardTypesNames.find(Name) != ForwardTypesNames.end()) {
auto It = ForwardTypesNames.find(Name);
if (It != ForwardTypesNames.end()) {
// Update the recorded forward reference with its definition.
ForwardTypesNames[Name].second = TIReference;
add(ForwardTypesNames[Name].first, TIReference);
It->second.second = TIReference;
add(It->second.first, TIReference);
} else {
// We have not seen the forward reference. Insert the definition.
ForwardTypesNames.emplace(
Expand All @@ -196,15 +197,14 @@ class LVForwardReferences {
}

TypeIndex find(TypeIndex TIForward) {
return (ForwardTypes.find(TIForward) != ForwardTypes.end())
? ForwardTypes[TIForward]
: TypeIndex::None();
auto It = ForwardTypes.find(TIForward);
return It != ForwardTypes.end() ? It->second : TypeIndex::None();
}

TypeIndex find(StringRef Name) {
return (ForwardTypesNames.find(Name) != ForwardTypesNames.end())
? ForwardTypesNames[Name].second
: TypeIndex::None();
auto It = ForwardTypesNames.find(Name);
return It != ForwardTypesNames.end() ? It->second.second
: TypeIndex::None();
}

// If the given TI corresponds to a reference, return the reference.
Expand Down Expand Up @@ -242,9 +242,8 @@ class LVNamespaceDeduction {

// Find the logical namespace for the 'Name' component.
LVScope *find(StringRef Name) {
LVScope *Namespace = (NamespaceNames.find(Name) != NamespaceNames.end())
? NamespaceNames[Name]
: nullptr;
auto It = NamespaceNames.find(Name);
LVScope *Namespace = It != NamespaceNames.end() ? It->second : nullptr;
return Namespace;
}

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