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aco/tests: add some tests for combining s_add+s_lshl to s_lshl<n>_add

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7539>
This commit is contained in:
Samuel Pitoiset 2020-11-10 10:24:36 +01:00 • committed by Marge Bot
parent f89b29f708
commit 64748a2be2
1 changed files with 28 additions and 0 deletions
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28
src/amd/compiler/tests/test_optimizer.cpp
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@ -128,3 +128,31 @@ BEGIN_TEST(optimize.cndmask)
finish_opt_test();
}
END_TEST
BEGIN_TEST(optimize.add_lshl)
for (unsigned i = GFX9; i <= GFX10; i++) {
//>> s1: %a, v1: %b, s2: %_:exec = p_startpgm
if (!setup_cs("s1 v1", (chip_class)i))
continue;
Temp shift;
//! s1: %res0, s1: %_:scc = s_lshl3_add_u32 %a, 4
//! p_unit_test 0, %res0
shift = bld.sop2(aco_opcode::s_lshl_b32, bld.def(s1), bld.def(s1, scc),
Operand(inputs[0]), Operand(3u));
writeout(0, bld.sop2(aco_opcode::s_add_u32, bld.def(s1), bld.def(s1, scc), shift, Operand(4u)));
//! s1: %lshl, s1: %_:scc = s_lshl_b32 %a, 3
//! v1: %add = v_add_u32 %lshl, %b
//! v1: %res1 = v_add3_u32 %add, %lshl, 4
//! p_unit_test 1, %res1
shift = bld.sop2(aco_opcode::s_lshl_b32, bld.def(s1), bld.def(s1, scc),
Operand(inputs[0]), Operand(3u));
Temp sadd = bld.sop2(aco_opcode::s_add_u32, bld.def(s1), bld.def(s1, scc), shift, Operand(4u));
Temp vadd = bld.vadd32(bld.def(v1), shift, Operand(inputs[1]));
writeout(1, bld.vadd32(bld.def(v1), sadd, vadd));
finish_opt_test();
}
END_TEST