[LLVMdev] reference to %llvm.dbg.variable in source level debug docs

[Devang Patel]

On Feb 1, 2011, at 3:58 AM, Eli Bendersky wrote:

> Hello
> I'm reading http://llvm.org/docs/SourceLevelDebugging.html and some
> things aren't clear.
> 
> There are a couple of references made to %llvm.dbg.variable, which
> isn't defined anywhere. It it an intrinsic? A global? Could it be a
> relic from the old debug info docs (where it *is* defined?). The same
> goes for llvm.dbg.derivedtype and llvm.dbg.subrange which are also
> referenced but not defined.

It was a stale reference. I fixed the docs.

> 
> Additionally, there's this definition:
> 
> """
>  void %llvm.dbg.declare(metadata, metadata)
> 
> This intrinsic provides information about a local element (ex.
> variable.) The first argument is metadata holding alloca for the
> variable.. The second argument is the %llvm.dbg.variable containing
> the description of the variable.
> """
> 
> I see all uses of llvm.dbg.declare having values/types as first
> argument, not metadata. What am I missing?

I am seeing 
  call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !12), !dbg !13

?
-
Devang