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aco/tests: add test for branch definition RA

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13432>
This commit is contained in:
Rhys Perry 2021-07-27 11:24:53 +01:00 • committed by Marge Bot
parent 32d0bae8ec
commit c3070773f8
1 changed files with 54 additions and 0 deletions
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54
src/amd/compiler/tests/test_regalloc.cpp
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@ -286,3 +286,57 @@ BEGIN_TEST(regalloc.linear_vgpr.live_range_split.get_reg_create_vector)
finish_ra_test(ra_test_policy());
END_TEST
BEGIN_TEST(regalloc.branch_def_phis_at_merge_block)
//>> p_startpgm
if (!setup_cs("", GFX10))
return;
//! s2: %_:s[2-3] = p_branch
bld.branch(aco_opcode::p_branch, bld.def(s2));
//! BB1
//! /* logical preds: / linear preds: BB0, / kind: uniform, */
bld.reset(program->create_and_insert_block());
program->blocks[1].linear_preds.push_back(0);
//! s2: %tmp:s[0-1] = p_linear_phi 0
Temp tmp = bld.pseudo(aco_opcode::p_linear_phi, bld.def(s2), Operand::c64(0u));
//! p_unit_test %tmp:s[0-1]
bld.pseudo(aco_opcode::p_unit_test, tmp);
finish_ra_test(ra_test_policy());
END_TEST
BEGIN_TEST(regalloc.branch_def_phis_at_branch_block)
//>> p_startpgm
if (!setup_cs("", GFX10))
return;
//! s2: %tmp:s[0-1] = p_unit_test
Temp tmp = bld.pseudo(aco_opcode::p_unit_test, bld.def(s2));
//! s2: %_:s[2-3] = p_cbranch_z %0:scc
bld.branch(aco_opcode::p_cbranch_z, bld.def(s2), Operand(scc, s1));
//! BB1
//! /* logical preds: / linear preds: BB0, / kind: */
bld.reset(program->create_and_insert_block());
program->blocks[1].linear_preds.push_back(0);
//! p_unit_test %tmp:s[0-1]
bld.pseudo(aco_opcode::p_unit_test, tmp);
bld.branch(aco_opcode::p_branch, bld.def(s2));
bld.reset(program->create_and_insert_block());
program->blocks[2].linear_preds.push_back(0);
bld.branch(aco_opcode::p_branch, bld.def(s2));
bld.reset(program->create_and_insert_block());
program->blocks[3].linear_preds.push_back(1);
program->blocks[3].linear_preds.push_back(2);
finish_ra_test(ra_test_policy());
END_TEST