pmatos added a comment.

In D122215#3991648 <https://reviews.llvm.org/D122215#3991648>, @MoritzS wrote:

> Thanks for the patch! I just tried it out and I think this enables many 
> interesting use cases for WebAssembly when using C/C++.
>
> Currently the lowering to wasm does not work when using externrefs when 
> compiling without optimizations. Is that intended behavior?

No - thanks for trying this out. This is definitely not intended behaviour. 
Somehow I probably didn't test enough without optimizations. I was expecting 
that the pass mem2reg would get rid of the allocas, but maybe it's not running 
at those optimization levels. I will have to take a closer look.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122215/new/

https://reviews.llvm.org/D122215

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