[llvm] r183994 - Do not to perform RUN line substitution of llc if that's prefixed by a hypnen

[Eli Bendersky]

On Fri, Jun 14, 2013 at 12:45 PM, Rafael Espíndola <
rafael.espindola at gmail.com> wrote:

> btw, llvmc is long dead, why not remove it.
>
> Going back to the original question: For clang we ignore -clang and
> /clang. Why not do the same for llc (and maybe all tools?).
>

The answer to both your questions is that I wanted to keep the impact of
this change minimal. I have no idea what "/clang" is needed for, so I see
no reason to extend the same pattern for all tools. The same goes for llvmc
- maybe there are internal tools using it that are not part of the tree. I
tried to be careful and not break anyone else's code, even if the chances
for that are low.

I suppose we could hold a kind of a "poll" on llvmdev asking developers
what custom tools they have and what is really needed in lit.cfg - I agree
that a lot of stuff in there is probably historical cruft.

Eli
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