[llvm-dev] How to build LLVM such that `llvm::Module::dump() const' is preserved?

[Chris Lattner via llvm-dev]

> On Feb 22, 2019, at 3:02 PM, Krzysztof Parzyszek via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> On 2/22/2019 4:05 PM, Yuri via llvm-dev wrote:
>> The FreeBSD port for the Intel's ISPC compiler fails to build because it can't find this symbol:
>> |llvmutil.cpp:(.text+0x3d60): undefined reference to `llvm::Value::dump() const' How to build LLVM to preserve these symbols? I suspect there is a cmake switch for this? Thank you, Yuri |
> 
> Use -DLLVM_ENABLE_ASSERTIONS=ON, or -DLLVM_ENABLE_DUMP=ON with cmake.

Random question: how much code size do these #ifdefs actually save in non-assert builds?  Is this still worth it at all?  I suspect the time is long past that this makes sense.

-Chris