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aco/tests: test copy propagation with DPP instructions 

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12601>
This commit is contained in:
Rhys Perry 2021-08-27 17:53:48 +01:00 committed by Marge Bot
parent e27946ca11
commit 7d95f7510f
1 changed files with 26 additions and 0 deletions
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26
src/amd/compiler/tests/test_optimizer.cpp
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@ -1032,3 +1032,29 @@ BEGIN_TEST(optimizer.dpp)
finish_opt_test();
END_TEST
BEGIN_TEST(optimize.dpp_prop)
//>> v1: %a, s1: %b = p_startpgm
if (!setup_cs("v1 s1", GFX10))
return;
//! v1: %zero = p_parallelcopy 0
//! v1: %res0 = v_mul_f32 %zero, %a row_shl:1 bound_ctrl:1
//! p_unit_test 0, %res0
Temp zero = bld.copy(bld.def(v1), Operand::zero());
writeout(0, bld.vop2_dpp(aco_opcode::v_mul_f32, bld.def(v1), zero, inputs[0], dpp_row_sl(1)));
//! v1: %literal = p_parallelcopy 0x12345678
//! v1: %res1 = v_mul_f32 %literal, %a row_shl:1 bound_ctrl:1
//! p_unit_test 1, %res1
Temp literal = bld.copy(bld.def(v1), Operand::c32(0x12345678u));
writeout(1, bld.vop2_dpp(aco_opcode::v_mul_f32, bld.def(v1), literal, inputs[0], dpp_row_sl(1)));
//! v1: %b_v = p_parallelcopy %b
//! v1: %res2 = v_mul_f32 %b_v, %a row_shl:1 bound_ctrl:1
//! p_unit_test 2, %res2
Temp b_v = bld.copy(bld.def(v1), inputs[1]);
writeout(2, bld.vop2_dpp(aco_opcode::v_mul_f32, bld.def(v1), b_v, inputs[0], dpp_row_sl(1)));
finish_opt_test();
END_TEST