[PATCH] D52634: [WebAssembly] Add DBG_VALUE with local operands location in WebAssemblyExplicitLocals pass

[Yury Delendik via Phabricator via llvm-commits]

yurydelendik added a comment.

In D52634#1334758 <https://reviews.llvm.org/D52634#1334758>, @aprantl wrote:

> >   I also found that the tools (e.g. LLVM or LLDB) are eager to know about number of registers (which we cannot determine) to allocate internal structures.
>
> What I was thinking of was to define exactly three WASM DWARF register numbers: wasm_reg_local, wasm_reg_global, wasm_reg_stack and use `DW_OP_breg regnum offset` like you would use the new special operation introduced by this patch.


Okay, let me try that. It will be sufficient to try it out, since signatures are identical, just spec defined meaning is different (it is not a memory location and offset is not bytes) from what we are trying to achieve, and that's my main concern. I'll make the changes.


Repository:
  rL LLVM

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  https://reviews.llvm.org/D52634/new/

https://reviews.llvm.org/D52634