// And load the address point from the VTT.
VTableAddressPoint = Builder.CreateLoad(VTT);
} else {
- const CodeGenVTables::AddrSubMap_t& AddressPoints =
- CGM.getVTables().getAddressPoints(VTableClass);
-
- uint64_t AddressPoint =
- AddressPoints.lookup(std::make_pair(Base.getBase(),
- Base.getBaseOffset()));
+ uint64_t AddressPoint = CGM.getVTables().getAddressPoint(Base, VTableClass);
VTableAddressPoint =
Builder.CreateConstInBoundsGEP2_64(VTable, 0, AddressPoint);
}
return I->second;
}
+uint64_t
+CodeGenVTables::getAddressPoint(BaseSubobject Base, const CXXRecordDecl *RD) {
+ const CodeGenVTables::AddrSubMap_t& AddressPoints = getAddressPoints(RD);
+
+ uint64_t AddressPoint =
+ AddressPoints.lookup(std::make_pair(Base.getBase(),
+ Base.getBaseOffset()));
+
+ assert(AddressPoint && "Address point must not be zero!");
+
+ return AddressPoint;
+}
+
const CodeGenVTables::AddrSubMap_t &
CodeGenVTables::getAddressPoints(const CXXRecordDecl *RD) {
if (!OldAddressPoints[RD]) {
int64_t getVirtualBaseOffsetOffset(const CXXRecordDecl *RD,
const CXXRecordDecl *VBase);
+ /// getAddressPoint - Get the address point of the given subobject in the
+ /// class decl.
+ uint64_t getAddressPoint(BaseSubobject Base, const CXXRecordDecl *RD);
+
/// GetAddrOfVTable - Get the address of the vtable for the given record decl.
llvm::Constant *GetAddrOfVTable(const CXXRecordDecl *RD);