================
@@ -624,6 +624,20 @@ class ASTContext : public RefCountedBase<ASTContext> {
using ParameterIndexTable = llvm::DenseMap<const VarDecl *, unsigned>;
ParameterIndexTable ParamIndices;
+public:
+ struct CXXRecordDeclRelocationInfo {
+ unsigned IsRelocatable;
+ unsigned IsReplaceable;
+ };
+ std::optional<CXXRecordDeclRelocationInfo>
+ getRelocationInfoForCXXRecord(const CXXRecordDecl *) const;
+ void setRelocationInfoForCXXRecord(const CXXRecordDecl *,
+ CXXRecordDeclRelocationInfo);
+
+private:
+ llvm::DenseMap<const CXXRecordDecl *, CXXRecordDeclRelocationInfo>
----------------
erichkeane wrote:
With the 'value' here only being 2 bits of information, I find myself wondering
if we could switch `CXXRecordDeclRelocationInfo` to an enum-as-flags, and do
something with `PointerIntPair` here. Then store these either as a sorted
vector, or a 'set' in some way? Perhaps have a look around?
Also, do we typically do caching like this in ASTContext? I thought we did this
in Sema more often.
Also-also: does this play well with deserialization?
https://github.com/llvm/llvm-project/pull/127636
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