On Fri, Nov 01, 2013 at 05:47:14PM -0400, Andrew MacLeod wrote:
> On 11/01/2013 05:41 PM, Jakub Jelinek wrote:
> >On Fri, Nov 01, 2013 at 05:36:34PM -0400, Andrew MacLeod wrote:
> >>   static inline void
> >>! gimple_call_set_lhs (gimple gs, tree lhs)
> >>   {
> >>-   GIMPLE_CHECK (gs, GIMPLE_CALL);

The checking you are removing here.

> What checking?  There ought to be no checking at all in this
> example...  gimple_build_call_vec returns a gimple_call, and
> gimple_call_set_lhs()  doesn't have to check anything because it
> only accepts gimple_call's.. so there is no checking other than the
> usual "does my parameter match" that the compiler has to do...

and want to replace it by checking of the types at compile time.
The problem is that it uglifies the source too much, and, when you
actually don't have a gimple_call but supposedly a base class of it,
I expect you'd do as_a which is not only further uglification, but has
runtime cost also for --enable-checking=release.

        Jakub

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