/*
 * Copyright © 2023 Valve Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include "nir_test.h"

namespace {

class nir_lower_alu_width_test : public nir_test {
protected:
   nir_lower_alu_width_test()
      : nir_test::nir_test("nir_lower_alu_width_test")
   {
   }
};

TEST_F(nir_lower_alu_width_test, fdot_order)
{
   nir_variable *res_var = nir_local_variable_create(b->impl, glsl_float_type(), "res");

   b->exact = true;

   /* If this isn't done in xyz order, it evaluates to infinity. */
   nir_def *val = nir_fdot(
      b, nir_imm_vec3(b, 1.7014118346046923e+38, 1.7014118346046923e+38, 8.507059173023462e+37),
      nir_imm_vec3(b, -0.5, 1.5, 1.0));
   nir_intrinsic_instr *store =
      nir_build_store_deref(b, &nir_build_deref_var(b, res_var)->def, val);

   nir_lower_alu_width(b->shader, NULL, NULL);
   nir_opt_constant_folding(b->shader);

   ASSERT_TRUE(nir_src_is_const(store->src[1]));
   EXPECT_EQ(nir_src_as_float(store->src[1]), 2.5521177519070385e+38);
}

}