================
@@ -136,9 +136,69 @@ const llvm::abi::Type
*QualTypeMapper::convertRecordType(const RecordType *RT) {
if (RD->isUnion())
return convertUnionType(RD);
+
+ // Handle C++ classes with base classes
+ auto *const CXXRd = dyn_cast<CXXRecordDecl>(RD);
+ if (CXXRd && (CXXRd->getNumBases() > 0 || CXXRd->getNumVBases() > 0)) {
+ return convertCXXRecordType(CXXRd);
+ }
return convertStructType(RD);
}
+const llvm::abi::StructType *
+QualTypeMapper::convertCXXRecordType(const CXXRecordDecl *RD) {
+ const ASTRecordLayout &Layout = ASTCtx.getASTRecordLayout(RD);
+ SmallVector<llvm::abi::FieldInfo, 16> Fields;
+
+ if (RD->isPolymorphic()) {
+ const llvm::abi::Type *VtablePointer =
+ createPointerTypeForPointee(ASTCtx.VoidPtrTy);
+ Fields.emplace_back(VtablePointer, 0);
+ }
+
+ for (const auto &Base : RD->bases()) {
+ if (Base.isVirtual())
+ continue;
+
+ const RecordType *BaseRT = Base.getType()->getAs<RecordType>();
+ if (!BaseRT)
----------------
nikic wrote:
I don't think this can fail. Assert instead?
https://github.com/llvm/llvm-project/pull/140112
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