[llvm-dev] [Clang] memory allocation

[Mohammad Norouzi via llvm-dev]

I see it now.

But, why do they have different memory addresses when compiled with -O1?

Is there a specific optimization that prevents using/reusing the same stack
space?

Tnx!

On Tue, Nov 26, 2019 at 1:21 PM Tim Northover <t.p.northover at gmail.com>
wrote:

> On Tue, 26 Nov 2019 at 12:05, Mohammad Norouzi via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> > However, OK is called inside nqueens. So, the same stack space cannot be
> used/reused for both of them.
>
> nqueens is also called inside nqueens because it's a recursive
> implementation, and it's those two calls within nqueens that reuse the
> stack space. Notice that the reuse is *after* ok gets called.
>
> Cheers.
>
> Tim.
>
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