850d945baf
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/20621>
60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
/*
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* Copyright © 2022 Valve Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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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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//>> lv1: %lv = p_start_linear_vgpr
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emit_divergent_if_else(program.get(), bld, Operand(inputs[0]), [&]() -> void {
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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 = bld.reduction(aco_opcode::p_reduce, bld.def(s1),
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bld.def(bld.lm), bld.def(s1, scc), inputs[1],
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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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}, [&]() -> void {
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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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