mesa/src/amd/compiler/tests/test_insert_nops.cpp

167 lines
7.3 KiB
C++

/*
* Copyright © 2020 Valve Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include "helpers.h"
using namespace aco;
void create_mubuf(unsigned offset)
{
bld.mubuf(aco_opcode::buffer_load_dword, Definition(PhysReg(256), v1), Operand(PhysReg(0), s4),
Operand(PhysReg(256), v1), Operand::zero(), offset, true);
}
void create_mimg(bool nsa, unsigned addrs, unsigned instr_dwords)
{
aco_ptr<MIMG_instruction> mimg{create_instruction<MIMG_instruction>(
aco_opcode::image_sample, Format::MIMG, 3 + addrs, 1)};
mimg->definitions[0] = Definition(PhysReg(256), v1);
mimg->operands[0] = Operand(PhysReg(0), s8);
mimg->operands[1] = Operand(PhysReg(0), s4);
mimg->operands[2] = Operand(v1);
for (unsigned i = 0; i < addrs; i++)
mimg->operands[3 + i] = Operand(PhysReg(256 + (nsa ? i * 2 : i)), v1);
mimg->dmask = 0x1;
mimg->dim = ac_image_2d;
assert(get_mimg_nsa_dwords(mimg.get()) + 2 == instr_dwords);
bld.insert(std::move(mimg));
}
BEGIN_TEST(insert_nops.nsa_to_vmem_bug)
if (!setup_cs(NULL, GFX10))
return;
/* no nop needed because offset&6==0 */
//>> p_unit_test 0
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2], %0:v[4], %0:v[6], %0:v[8], %0:v[10] 2d storage: semantics: scope:invocation
//! v1: %0:v[0] = buffer_load_dword %0:s[0-3], %0:v[0], 0 offset:8 offen storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
create_mimg(true, 6, 4);
create_mubuf(8);
/* nop needed */
//! p_unit_test 1
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2], %0:v[4], %0:v[6], %0:v[8], %0:v[10] 2d storage: semantics: scope:invocation
//! s_nop
//! v1: %0:v[0] = buffer_load_dword %0:s[0-3], %0:v[0], 0 offset:4 offen storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
create_mimg(true, 6, 4);
create_mubuf(4);
/* no nop needed because the MIMG is not NSA */
//! p_unit_test 2
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[1], %0:v[2], %0:v[3], %0:v[4], %0:v[5] 2d storage: semantics: scope:invocation
//! v1: %0:v[0] = buffer_load_dword %0:s[0-3], %0:v[0], 0 offset:4 offen storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
create_mimg(false, 6, 2);
create_mubuf(4);
/* no nop needed because there's already an instruction in-between */
//! p_unit_test 3
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2], %0:v[4], %0:v[6], %0:v[8], %0:v[10] 2d storage: semantics: scope:invocation
//! v_nop
//! v1: %0:v[0] = buffer_load_dword %0:s[0-3], %0:v[0], 0 offset:4 offen storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(3u));
create_mimg(true, 6, 4);
bld.vop1(aco_opcode::v_nop);
create_mubuf(4);
/* no nop needed because the NSA instruction is under 4 dwords */
//! p_unit_test 4
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2] 2d storage: semantics: scope:invocation
//! v1: %0:v[0] = buffer_load_dword %0:s[0-3], %0:v[0], 0 offset:4 offen storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(4u));
create_mimg(true, 2, 3);
create_mubuf(4);
/* NSA instruction and MUBUF/MTBUF in a different block */
//! p_unit_test 5
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2], %0:v[4], %0:v[6], %0:v[8], %0:v[10] 2d storage: semantics: scope:invocation
//! BB1
//! /* logical preds: / linear preds: BB0, / kind: uniform, */
//! s_nop
//! v1: %0:v[0] = buffer_load_dword %0:s[0-3], %0:v[0], 0 offset:4 offen storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(5u));
create_mimg(true, 6, 4);
bld.reset(program->create_and_insert_block());
create_mubuf(4);
program->blocks[0].linear_succs.push_back(1);
program->blocks[1].linear_preds.push_back(0);
finish_insert_nops_test();
END_TEST
BEGIN_TEST(insert_nops.writelane_to_nsa_bug)
if (!setup_cs(NULL, GFX10))
return;
/* nop needed */
//>> p_unit_test 0
//! v1: %0:v[255] = v_writelane_b32_e64 0, 0, %0:v[255]
//! s_nop
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2] 2d storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
bld.writelane(Definition(PhysReg(511), v1), Operand::zero(), Operand::zero(),
Operand(PhysReg(511), v1));
create_mimg(true, 2, 3);
/* no nop needed because the MIMG is not NSA */
//! p_unit_test 1
//! v1: %0:v[255] = v_writelane_b32_e64 0, 0, %0:v[255]
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[1] 2d storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
bld.writelane(Definition(PhysReg(511), v1), Operand::zero(), Operand::zero(),
Operand(PhysReg(511), v1));
create_mimg(false, 2, 2);
/* no nop needed because there's already an instruction in-between */
//! p_unit_test 2
//! v1: %0:v[255] = v_writelane_b32_e64 0, 0, %0:v[255]
//! v_nop
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2] 2d storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
bld.writelane(Definition(PhysReg(511), v1), Operand::zero(), Operand::zero(),
Operand(PhysReg(511), v1));
bld.vop1(aco_opcode::v_nop);
create_mimg(true, 2, 3);
/* writelane and NSA instruction in different blocks */
//! p_unit_test 3
//! v1: %0:v[255] = v_writelane_b32_e64 0, 0, %0:v[255]
//! BB1
//! /* logical preds: / linear preds: BB0, / kind: uniform, */
//! s_nop
//! v1: %0:v[0] = image_sample %0:s[0-7], %0:s[0-3], v1: undef, %0:v[0], %0:v[2] 2d storage: semantics: scope:invocation
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(3u));
bld.writelane(Definition(PhysReg(511), v1), Operand::zero(), Operand::zero(),
Operand(PhysReg(511), v1));
bld.reset(program->create_and_insert_block());
create_mimg(true, 2, 3);
program->blocks[0].linear_succs.push_back(1);
program->blocks[1].linear_preds.push_back(0);
finish_insert_nops_test();
END_TEST