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dedfff9dbf
Cleaner to have this all in one place, in my opinion. Reviewed-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30368>
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*
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* Copyright © 2022 Valve Corporation
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "helpers.h"
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using namespace aco;
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BEGIN_TEST(setup_reduce_temp.divergent_if_phi)
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/*
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* This must have an end_linear_vgpr after the phi (to ensure it's live during the phi copies):
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* v0 = start_linear_vgpr
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* divergent_if (...) {
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*
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* } else {
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* use_linear_vgpr(v0)
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* }
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* ... = phi ...
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*/
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// TODO: fix the RA validator to spot this
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//>> s2: %_, v1: %a = p_startpgm
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if (!setup_cs("s2 v1", GFX9))
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return;
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//>> p_logical_start
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//>> p_logical_end
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bld.pseudo(aco_opcode::p_logical_start);
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bld.pseudo(aco_opcode::p_logical_end);
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//>> lv1: %lv = p_start_linear_vgpr
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emit_divergent_if_else(
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program.get(), bld, Operand(inputs[0]),
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[&]() -> void
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{
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//>> s1: %_, s2: %_, s1: %_:scc = p_reduce %a, %lv, lv1: undef op:umin32 cluster_size:64
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Instruction* reduce =
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bld.reduction(aco_opcode::p_reduce, bld.def(s1), bld.def(bld.lm), bld.def(s1, scc),
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inputs[1], Operand(v1.as_linear()), Operand(v1.as_linear()), umin32);
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reduce->reduction().cluster_size = bld.lm.bytes() * 8;
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},
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[&]() -> void
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{
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/* nothing */
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});
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bld.pseudo(aco_opcode::p_phi, bld.def(v1), Operand::c32(1), Operand::zero());
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//>> /* logical preds: BB1, BB4, / linear preds: BB4, BB5, / kind: uniform, top-level, merge, */
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//! p_end_linear_vgpr %lv
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finish_setup_reduce_temp_test();
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END_TEST
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