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..00c34f3 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->deref_type == nir_deref_type_cast)
+ return NULL;
+
instr = nir_deref_instr_parent(instr);
+ }
return instr->var;
}
--
2.5.0.400.gff86faf
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