yaxunl marked an inline comment as done. yaxunl added inline comments.
================ Comment at: clang/test/SemaCUDA/device-use-host-var.cu:90 + const int &ref_const_var = global_const_var; const int &ref_constexpr_var = global_constexpr_var; *out = ref_host_var; ---------------- tra wrote: > What happens if we have `const int &ref_foo = > something_we_cant_emit_on_device;`? > Both if ref_foo is and isn't used from device code. > > If we have `const int &ref_foo = something_we_cant_emit_on_device`, `__constant__` attribute will not be added. If `ref_foo` is used in device code, it will be diagnosed. If `ref_foo` is not used in device code, no diagnostics is emitted. CHANGES SINCE LAST ACTION https://reviews.llvm.org/D103108/new/ https://reviews.llvm.org/D103108 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
