nir: add load/store vectorizer tests

v7: run nir_opt_algebraic
v9: rework the callback function
v9: update alignment on all loads/stores, even if they're not vectorized
v10: add tests for 64-bit offsets
v10: add tests for signed offsets

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com> (v9)

src/compiler/nir/meson.build

@@ -336,4 +336,16 @@ if with_tests
     ),
     suite : ['compiler', 'nir'],
   )
+
+  test(
+    'load_store_vectorizer',
+    executable(
+      'load_store_vectorizer',
+      files('tests/load_store_vectorizer_tests.cpp'),
+      cpp_args : [cpp_vis_args, cpp_msvc_compat_args],
+      include_directories : [inc_common],
+      dependencies : [dep_thread, idep_gtest, idep_nir, idep_mesautil],
+    ),
+    suite : ['compiler', 'nir'],
+  )
 endif