nir/tests: add tests for umod/imod/irem optimizations

Both nir_opt_algebraic and nir_opt_idiv_const have optimizations for
umod/imod/irem by constants.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12039>

src/compiler/nir/meson.build

@@ -519,4 +519,17 @@ if with_tests
     ),
     suite : ['compiler', 'nir'],
   )
+
+  test(
+    'algebraic',
+    executable(
+      'algebraic',
+      files('tests/algebraic_tests.cpp'),
+      c_args : [c_msvc_compat_args, no_override_init_args],
+      gnu_symbol_visibility : 'hidden',
+      include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux],
+      dependencies : [dep_thread, idep_gtest, idep_nir, idep_mesautil],
+    ),
+    suite : ['compiler', 'nir'],
+  )
 endif