break;
}
+ case CastExpr::CK_DerivedToBaseMemberPointer:
case CastExpr::CK_BaseToDerivedMemberPointer: {
QualType SrcType = E->getSubExpr()->getType();
llvm::Value *DstAdj = Builder.CreateStructGEP(DestPtr, 1, "dst.adj");
// Now See if we need to update the adjustment.
- const CXXRecordDecl *SrcDecl =
+ const CXXRecordDecl *BaseDecl =
cast<CXXRecordDecl>(SrcType->getAs<MemberPointerType>()->
getClass()->getAs<RecordType>()->getDecl());
- const CXXRecordDecl *DstDecl =
+ const CXXRecordDecl *DerivedDecl =
cast<CXXRecordDecl>(E->getType()->getAs<MemberPointerType>()->
getClass()->getAs<RecordType>()->getDecl());
-
- llvm::Constant *Adj = CGF.CGM.GetCXXBaseClassOffset(DstDecl, SrcDecl);
- if (Adj)
- SrcAdj = Builder.CreateAdd(SrcAdj, Adj, "adj");
+ if (E->getCastKind() == CastExpr::CK_DerivedToBaseMemberPointer)
+ std::swap(DerivedDecl, BaseDecl);
+
+ llvm::Constant *Adj = CGF.CGM.GetCXXBaseClassOffset(DerivedDecl, BaseDecl);
+ if (Adj) {
+ if (E->getCastKind() == CastExpr::CK_DerivedToBaseMemberPointer)
+ SrcAdj = Builder.CreateSub(SrcAdj, Adj, "adj");
+ else
+ SrcAdj = Builder.CreateAdd(SrcAdj, Adj, "adj");
+ }
Builder.CreateStore(SrcAdj, DstAdj, VolatileDest);
break;