rjmccall added inline comments.
================ Comment at: lib/CodeGen/CGObjCMac.cpp:7274 + // Classrefs pointing at Objective-C stub classes have the least + // significant bit set to 1. + auto *Tag = llvm::ConstantInt::get(CGM.IntPtrTy, 1); ---------------- slavapestov wrote: > rjmccall wrote: > > This isn't for an arbitrary class ref, it's for the global class list. I'd > > say something like "the global class list sets the LSB to 1 on any class > > stubs". > Can you explain what the difference is? My understanding is that the thing > you pass to objc_loadClassref() (or load from directly) is a "classref". This > is for classes you reference, not classes you define. Oh, I see what you're saying, nevermind. CHANGES SINCE LAST ACTION https://reviews.llvm.org/D59628/new/ https://reviews.llvm.org/D59628 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
