[cfe-users] How to dump the vtable's or record's layout?

Yi-Hong Lyu via cfe-users cfe-users at lists.llvm.org
Mon Sep 14 10:27:10 PDT 2015

Hello all,

I would like to dump the vtable's or record's layout therefore I download
the binary of Clang 3.7 for Linux from official site. But I got nothing

$ clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang++ -cc1
-fdump-vtable-layouts vtable.cpp


$ clang+llvm-3.7.0-x86_64-linux-gnu-ubuntu-14.04/bin/clang++ -cc1
-fdump-record-layouts vtable.cpp

I am wondering how to dump vtable's or record's layout? Is there anything
wrong with my instructions?

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