AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nir/tests: add basic terminator merge test

Browse Source 
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30862>
This commit is contained in:
Timothy Arceri
2024-08-27 11:08:23 +10:00
committed by Marge Bot
parent 85741c6a15
commit bb426b7f3c
1 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/compiler/nir/tests/opt_loop_tests.cpp
+33
View File
@@ -31,6 +31,7 @@ protected:
bool break_in_else, bool deref_array);
void create_loop_phis(nir_loop *loop, nir_if *term1, nir_if *term2,
nir_def *def1, nir_def *def2);
void test_merged_if(bool break_in_else);
nir_def *in_def;
nir_variable *out_var;
@@ -108,6 +109,38 @@ nir_opt_loop_test::create_loop_phis(nir_loop *loop,
&phi_instr->instr);
}
void
nir_opt_loop_test::test_merged_if(bool break_in_else)
{
/* Tests that opt_loop_merge_terminators results in valid nir and that
* the test condition is correct based on the location of the break in
* the terminators.
*/
nir_loop *loop = nir_push_loop(b);
nir_if *term1;
nir_if *term2;
add_loop_terminators(&term1, &term2, break_in_else, false);
nir_pop_loop(b, loop);
ASSERT_TRUE(nir_opt_loop(b->shader));
nir_validate_shader(b->shader, NULL);
nir_alu_instr *alu = nir_instr_as_alu(term2->condition.ssa->parent_instr);
if (break_in_else)
ASSERT_TRUE(alu->op == nir_op_iand);
else
ASSERT_TRUE(alu->op == nir_op_ior);
}
TEST_F(nir_opt_loop_test, opt_loop_merge_terminators_basic)
{
test_merged_if(false);
test_merged_if(true);
}
TEST_F(nir_opt_loop_test, opt_loop_merge_terminators_deref_after_first_if)
{
/* Tests that opt_loop_merge_terminators creates valid nir after it merges