On Fri, Jun 1, 2018 at 1:34 PM, Rob Clark <robdcl...@gmail.com> wrote:
> On Fri, Jun 1, 2018 at 3:39 PM, Jason Ekstrand <ja...@jlekstrand.net> > wrote: > > If something uses get_variable, it's likely that it doesn't know what to > > do with casts. If there are any casts in the chain, just return NULL. > > --- > > src/compiler/nir/nir.h | 6 +++++- > > 1 file changed, 5 insertions(+), 1 deletion(-) > > > > diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h > > index 8b826d8..28a40c7 100644 > > --- a/src/compiler/nir/nir.h > > +++ b/src/compiler/nir/nir.h > > @@ -1015,8 +1015,12 @@ nir_deref_instr_parent(const nir_deref_instr > *instr) > > static inline nir_variable * > > nir_deref_instr_get_variable(const nir_deref_instr *instr) > > { > > - while (instr->deref_type != nir_deref_type_var) > > + while (instr->deref_type != nir_deref_type_var) { > > + if (!instr || instr->deref_type == nir_deref_type_cast) > > the "while (instr->foo ...) { if (!instr || ...)" thing looks a bit > suspicious.. > You're right, that is fishy. Let me try again.
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