[llvm-commits] [llvm] r100072 - in /llvm/trunk: include/llvm/Support/DebugLoc.h lib/VMCore/DebugLoc.cpp lib/VMCore/LLVMContextImpl.h

[nicolas geoffray]

Hi Chris,

On Thu, Apr 1, 2010 at 2:48 AM, Chris Lattner <clattner at apple.com> wrote:
>
> > Machine-generated code often goes over 255 columns.   Are you sure you
> want to design this limitation in?
>
> Yep.  Only clang generates column numbers, and I don't know of any
> debuggers that do anything with them.  We can always change this in the
> future.
>
>

Actually, I was using these values (column, line number) to store some
runtime informations on an instruction (line number in a Java source file,
Java bytecode number, etc). While I know that the interface is somehow not
fully defined yet for debug location, having the possibility to get a number
of high-level information on a machine instruction through this debugging
utility was really useful.

Nicolas



> -Chris
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