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nir/tests: Add tests for nir_loop_info::induction_vars tracking

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Later commits in this MR will change the way some data is track, and
these tests will verify this behavior change.

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21289>
This commit is contained in:
Ian Romanick
2023-02-17 10:10:41 -08:00
committed by Marge Bot
parent 168e54f7e3
commit c26d356dd5
1 changed files with 135 additions and 0 deletions
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src/compiler/nir/tests/loop_analyze_tests.cpp
+135
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@@ -243,6 +243,21 @@ TEST_F(nir_loop_analyze_test, infinite_loop_feq)
EXPECT_FALSE(loop->info->guessed_trip_count);
EXPECT_FALSE(loop->info->exact_trip_count_known);
EXPECT_EQ((void *)0, loop->info->limiting_terminator);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, zero_iterations_ine)
@@ -308,6 +323,21 @@ TEST_F(nir_loop_analyze_test, zero_iterations_ine)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(0, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, one_iteration_uge)
@@ -370,6 +400,21 @@ TEST_F(nir_loop_analyze_test, one_iteration_uge)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(1, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, one_iteration_ine)
@@ -432,6 +477,21 @@ TEST_F(nir_loop_analyze_test, one_iteration_ine)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(1, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, one_iteration_ieq)
@@ -494,6 +554,21 @@ TEST_F(nir_loop_analyze_test, one_iteration_ieq)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(1, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, one_iteration_easy_fneu)
@@ -556,6 +631,21 @@ TEST_F(nir_loop_analyze_test, one_iteration_easy_fneu)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(1, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, one_iteration_fneu)
@@ -623,6 +713,21 @@ TEST_F(nir_loop_analyze_test, one_iteration_fneu)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(1, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_4. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, zero_iterations_ine_inverted)
@@ -687,6 +792,21 @@ TEST_F(nir_loop_analyze_test, zero_iterations_ine_inverted)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(0, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_3. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}
TEST_F(nir_loop_analyze_test, five_iterations_ige_inverted)
@@ -751,4 +871,19 @@ TEST_F(nir_loop_analyze_test, five_iterations_ige_inverted)
ASSERT_NE((void *)0, loop->info);
EXPECT_EQ(5, loop->info->max_trip_count);
EXPECT_TRUE(loop->info->exact_trip_count_known);
/* Loop should have an induction variable for ssa_5 and ssa_3. */
EXPECT_EQ(2, loop->info->num_induction_vars);
ASSERT_NE((void *)0, loop->info->induction_vars);
/* Since the initializer and increments are constants, the init_src and
* update_src fields will be NULL. The def field should not be NULL.
*/
const nir_loop_induction_variable *const ivars = loop->info->induction_vars;
for (unsigned i = 0; i < loop->info->num_induction_vars; i++) {
EXPECT_NE((void *)0, ivars[i].def);
EXPECT_EQ((void *)0, ivars[i].init_src);
EXPECT_EQ((void *)0, ivars[i].update_src);
}
}