Remove high level optimization warnings

Author: ZzEeKkAa

numba_dpex/kernel_api_impl/spirv/codegen.py

@@ -55,12 +55,6 @@ def inline_threshold(self, value: int):
             )
             self._inline_threshold = 0
         else:
-            if value == 3:
-                warnings.warn(
-                    "Due to an existing compiler bug, setting INLINE_THRESHOLD "
-                    f"to {value} can lead to incorrect code generation on "
-                    "certain devices."
-                )
             self._inline_threshold = value
 
     def _optimize_final_module(self):
@@ -69,12 +63,6 @@ def _optimize_final_module(self):
 
         # Make optimization level depending on config.DPEX_OPT variable
         pmb.opt_level = config.DPEX_OPT
-        if config.DPEX_OPT > 2:
-            warnings.warn(
-                "Setting NUMBA_DPEX_OPT greater than 2 known to cause issues "
-                + "related to very aggressive optimizations that leads to "
-                + "broken code."
-            )
 
         pmb.disable_unit_at_a_time = False
 

numba_dpex/tests/misc/test_warnings.py

@@ -16,26 +16,6 @@ def foo(a):
     a[dpex.get_global_id(0)] = 0
 
 
-def test_opt_warning():
-    bkp = config.DPEX_OPT
-    config.DPEX_OPT = 3
-
-    with pytest.warns(UserWarning):
-        dpex.call_kernel(foo, dpex.Range(10), dpnp.arange(10))
-
-    config.DPEX_OPT = bkp
-
-
-def test_inline_threshold_eq_3_warning():
-    bkp = config.INLINE_THRESHOLD
-    config.INLINE_THRESHOLD = 3
-
-    with pytest.warns(UserWarning):
-        dpex.call_kernel(foo, dpex.Range(10), dpnp.arange(10))
-
-    config.INLINE_THRESHOLD = bkp
-
-
 def test_inline_threshold_negative_val_warning_():
     bkp = config.INLINE_THRESHOLD
     config.INLINE_THRESHOLD = -1