lxfind added a comment. > Then if we want to put the result of the await_suspend in the stack, I think > we can do it under CodeGen part only. It should be easy to judge the return > type of await_suspend and create a call to llvm.coro.forcestack to the return > value of await_suspend.
We probably could, but it would be very very tedious. During CodeGen, we only have the AST that's calling __builtin_coro_resume, which we will call Emit as a whole. So we need to manually match the AST 2 levels down to find the await_suspend call, get its name, and then walk through the emitted IR to find a call with the same name, and then find the tmp that's used to store the return value of the call, and then emit llvm.coro.forcestack. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D98638/new/ https://reviews.llvm.org/D98638 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
