ac: handle cast derefs

Just give back the same value for now.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 0416043eaf32ff165e4d578f46d46a48af74cf08..a109f5a8156a44f49a91d4efdeb99883455f7e56 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3730,6 +3730,9 @@ static void visit_deref(struct ac_nir_context *ctx,
                result = ac_build_gep0(&ctx->ac, get_src(ctx, instr->parent),
                                       get_src(ctx, instr->arr.index));
                break;
+       case nir_deref_type_cast:
+               result = get_src(ctx, instr->parent);
+               break;
        default:
                unreachable("Unhandled deref_instr deref type");
        }