[llvm] r247450 - Use function attribute "stackrealign" to decide whether stack

[Reid Kleckner via llvm-commits]

On Fri, Sep 11, 2015 at 12:40 PM, Joerg Sonnenberger via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> On Fri, Sep 11, 2015 at 06:54:39PM -0000, Akira Hatanaka via llvm-commits
> wrote:
> > URL: http://llvm.org/viewvc/llvm-project?rev=247450&view=rev
> > Log:
> > Use function attribute "stackrealign" to decide whether stack
> > realignment should be forced.
>
> Can you please actually call it force_stackrealign or
> always_realign_stack to avoid confusion?
>

The X86 backend looks for a "no-stack-realign" attribute. Perhaps we should
have a string attribute "stackrealign" with three values, "always", "auto",
and "never". The default behavior is "auto".
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