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mesa/src/amd/compiler/tests/test_hard_clause.cpp
Georg Lehmann 64cae5c48d aco: form mixed MTBUF/MUBUF clauses 
This should be one clause (all of the instructions load from the same vertex buffer)

s_clause 0x2                                                ; bfa10002
tbuffer_load_format_xyzw v[8:11], v5, s[4:7], 0 format:[BUF_FMT_8_8_8_8_UNORM] idxen offset:36 ; e9c32024 80010805
tbuffer_load_format_xyzw v[12:15], v5, s[4:7], 0 format:[BUF_FMT_8_8_8_8_UNORM] idxen offset:16 ; e9c32010 80010c05
tbuffer_load_format_xyzw v[16:19], v5, s[4:7], 0 format:[BUF_FMT_8_8_8_8_UNORM] idxen offset:12 ; e9c3200c 80011005
s_clause 0x2                                                ; bfa10002
buffer_load_dwordx3 v[20:22], v5, s[4:7], 0 idxen           ; e03c2000 80011405
buffer_load_dwordx3 v[23:25], v5, s[4:7], 0 idxen offset:20 ; e03c2014 80011705
buffer_load_dwordx4 v[28:31], v5, s[4:7], 0 idxen offset:48 ; e0382030 80011c05
tbuffer_load_format_xy v[0:1], v5, s[4:7], 0 format:[BUF_FMT_8_8_UNORM] idxen offset:32 ; e8712020 80010005

Foz-DB Navi21:
Totals from 5624 (7.08% of 79395) affected shaders:
MaxWaves: 149894 -> 149898 (+0.00%)
Instrs: 3032697 -> 3034853 (+0.07%); split: -0.05%, +0.12%
CodeSize: 15907852 -> 15915752 (+0.05%); split: -0.05%, +0.10%
VGPRs: 216248 -> 216144 (-0.05%)
Latency: 10955137 -> 11008760 (+0.49%); split: -0.22%, +0.70%
InvThroughput: 2032857 -> 2033916 (+0.05%); split: -0.03%, +0.08%
VClause: 50120 -> 41778 (-16.64%); split: -16.66%, +0.02%
SClause: 62034 -> 62004 (-0.05%); split: -0.33%, +0.29%
Copies: 253836 -> 254505 (+0.26%); split: -0.17%, +0.43%
VALU: 1621606 -> 1622274 (+0.04%); split: -0.03%, +0.07%
SALU: 653251 -> 653252 (+0.00%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34379>
2025-04-08 09:22:04 +00:00

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9.7 KiB
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/*
* Copyright © 2020 Valve Corporation
*
* SPDX-License-Identifier: MIT
*/
#include "helpers.h"
#include "sid.h"
using namespace aco;
static void
create_mubuf(Temp desc = Temp(0, s8))
{
Operand desc_op(desc);
desc_op.setFixed(PhysReg(0));
bld.mubuf(aco_opcode::buffer_load_dword, Definition(PhysReg(256), v1), desc_op,
Operand(PhysReg(256), v1), Operand::zero(), 0, false);
}
static void
create_mubuf_store()
{
bld.mubuf(aco_opcode::buffer_store_dword, Operand(PhysReg(0), s4), Operand(PhysReg(256), v1),
Operand(PhysReg(256), v1), Operand::zero(), 0, false);
}
static void
create_mtbuf(Temp desc = Temp(0, s8))
{
Operand desc_op(desc);
desc_op.setFixed(PhysReg(0));
bld.mtbuf(aco_opcode::tbuffer_load_format_x, Definition(PhysReg(256), v1), desc_op,
Operand(PhysReg(256), v1), Operand::zero(), V_008F0C_BUF_DATA_FORMAT_32,
V_008F0C_BUF_NUM_FORMAT_FLOAT, 0, false);
}
static void
create_flat()
{
bld.flat(aco_opcode::flat_load_dword, Definition(PhysReg(256), v1), Operand(PhysReg(256), v2),
Operand(s2));
}
static void
create_global()
{
bld.global(aco_opcode::global_load_dword, Definition(PhysReg(256), v1),
Operand(PhysReg(256), v2), Operand(s2));
}
static void
create_mimg(bool nsa, Temp desc = Temp(0, s8))
{
aco_ptr<Instruction> mimg{create_instruction(aco_opcode::image_sample, Format::MIMG, 5, 1)};
mimg->definitions[0] = Definition(PhysReg(256), v1);
mimg->operands[0] = Operand(desc);
mimg->operands[0].setFixed(PhysReg(0));
mimg->operands[1] = Operand(PhysReg(0), s4);
mimg->operands[2] = Operand(v1);
for (unsigned i = 0; i < 2; i++)
mimg->operands[3 + i] = Operand(PhysReg(256 + (nsa ? i * 2 : i)), v1);
mimg->mimg().dmask = 0x1;
mimg->mimg().dim = ac_image_2d;
bld.insert(std::move(mimg));
}
static void
create_smem()
{
bld.smem(aco_opcode::s_load_dword, Definition(PhysReg(0), s1), Operand(PhysReg(0), s2),
Operand::zero());
}
static void
create_smem_buffer(Temp desc = Temp(0, s4))
{
Operand desc_op(desc);
desc_op.setFixed(PhysReg(0));
bld.smem(aco_opcode::s_buffer_load_dword, Definition(PhysReg(0), s1), desc_op, Operand::zero());
}
BEGIN_TEST(form_hard_clauses.type_restrictions)
if (!setup_cs(NULL, GFX10))
return;
//>> p_unit_test 0
//! s_clause imm:1
//; search_re('image_sample')
//; search_re('image_sample')
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
create_mimg(false);
create_mimg(false);
//>> p_unit_test 1
//! s_clause imm:1
//; search_re('buffer_load_dword')
//; search_re('buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
create_mubuf();
create_mubuf();
//>> p_unit_test 2
//! s_clause imm:1
//; search_re('global_load_dword')
//; search_re('global_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
create_global();
create_global();
//>> p_unit_test 3
//! s_clause imm:1
//; search_re('flat_load_dword')
//; search_re('flat_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(3u));
create_flat();
create_flat();
//>> p_unit_test 4
//! s_clause imm:1
//; search_re('s_load_dword')
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(4u));
create_smem();
create_smem();
//>> p_unit_test 5
//; search_re('buffer_load_dword')
//; search_re('flat_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(5u));
create_mubuf();
create_flat();
//>> p_unit_test 6
//; search_re('buffer_load_dword')
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(6u));
create_mubuf();
create_smem();
//>> p_unit_test 7
//; search_re('flat_load_dword')
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(7u));
create_flat();
create_smem();
finish_form_hard_clause_test();
END_TEST
BEGIN_TEST(form_hard_clauses.size)
if (!setup_cs(NULL, GFX10))
return;
//>> p_unit_test 0
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
create_smem();
//>> p_unit_test 1
//! s_clause imm:62
//; for i in range(63):
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
for (unsigned i = 0; i < 63; i++)
create_smem();
//>> p_unit_test 2
//! s_clause imm:62
//; for i in range(64):
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
for (unsigned i = 0; i < 64; i++)
create_smem();
//>> p_unit_test 3
//! s_clause imm:62
//; for i in range(63):
//; search_re('s_load_dword')
//! s_clause imm:1
//; search_re('s_load_dword')
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(3u));
for (unsigned i = 0; i < 65; i++)
create_smem();
finish_form_hard_clause_test();
END_TEST
BEGIN_TEST(form_hard_clauses.nsa)
for (unsigned i = GFX10; i <= GFX10_3; i++) {
if (!setup_cs(NULL, (amd_gfx_level)i))
continue;
//>> p_unit_test 0
//! s_clause imm:1
//; search_re(r'image_sample .* %0:v\[0\], %0:v\[1\]')
//; search_re(r'image_sample .* %0:v\[0\], %0:v\[1\]')
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
create_mimg(false);
create_mimg(false);
//>> p_unit_test 1
//~gfx10_3! s_clause imm:1
//; search_re(r'image_sample .* %0:v\[0\], %0:v\[1\]')
//; search_re(r'image_sample .* %0:v\[0\], %0:v\[2\]')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
create_mimg(false);
create_mimg(true);
//>> p_unit_test 2
//~gfx10_3! s_clause imm:1
//; search_re(r'image_sample .* %0:v\[0\], %0:v\[2\]')
//; search_re(r'image_sample .* %0:v\[0\], %0:v\[2\]')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
create_mimg(true);
create_mimg(true);
finish_form_hard_clause_test();
}
END_TEST
BEGIN_TEST(form_hard_clauses.heuristic)
if (!setup_cs(NULL, GFX10))
return;
Temp img_desc0 = bld.tmp(s8);
Temp img_desc1 = bld.tmp(s8);
Temp buf_desc0 = bld.tmp(s4);
Temp buf_desc1 = bld.tmp(s4);
/* Don't form clause with different descriptors */
//>> p_unit_test 0
//! s_clause imm:1
//; search_re('image_sample')
//; search_re('image_sample')
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
create_mimg(false, img_desc0);
create_mimg(false, img_desc0);
//>> p_unit_test 1
//; search_re('image_sample')
//; search_re('image_sample')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
create_mimg(false, img_desc0);
create_mimg(false, img_desc1);
//>> p_unit_test 2
//! s_clause imm:1
//; search_re('buffer_load_dword')
//; search_re('buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
create_mubuf(buf_desc0);
create_mubuf(buf_desc0);
//>> p_unit_test 3
//; search_re('buffer_load_dword')
//; search_re('buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(3u));
create_mubuf(buf_desc0);
create_mubuf(buf_desc1);
//>> p_unit_test 4
//! s_clause imm:1
//; search_re('s_buffer_load_dword')
//; search_re('s_buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(4u));
create_smem_buffer(buf_desc0);
create_smem_buffer(buf_desc0);
//>> p_unit_test 5
//; search_re('s_buffer_load_dword')
//; search_re('s_buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(5u));
create_smem_buffer(buf_desc0);
create_smem_buffer(buf_desc1);
//>> p_unit_test 6
//; search_re('s_buffer_load_dword')
//; search_re('s_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(6u));
create_smem_buffer(buf_desc0);
create_smem();
/* Form clause with MTBUF/MUBUF mix if they use the same descriptor. */
//>> p_unit_test 7
//! s_clause imm:1
//; search_re('buffer_load_dword')
//; search_re('tbuffer_load_format_x')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(7u));
create_mubuf(buf_desc0);
create_mtbuf(buf_desc0);
//>> p_unit_test 8
//; search_re('buffer_load_dword')
//; search_re('tbuffer_load_format_x')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(8u));
create_mubuf(buf_desc0);
create_mtbuf(buf_desc1);
finish_form_hard_clause_test();
END_TEST
BEGIN_TEST(form_hard_clauses.stores)
for (amd_gfx_level gfx : {GFX10, GFX11}) {
if (!setup_cs(NULL, gfx))
continue;
//>> p_unit_test 0
//~gfx11! s_clause imm:1
//; search_re('buffer_store_dword')
//; search_re('buffer_store_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::zero());
create_mubuf_store();
create_mubuf_store();
//>> p_unit_test 1
//! s_clause imm:1
//; search_re('buffer_load_dword')
//; search_re('buffer_load_dword')
//; search_re('buffer_store_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(1u));
create_mubuf();
create_mubuf();
create_mubuf_store();
//>> p_unit_test 2
//; search_re('buffer_store_dword')
//! s_clause imm:1
//; search_re('buffer_load_dword')
//; search_re('buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(2u));
create_mubuf_store();
create_mubuf();
create_mubuf();
/* Unclear whether this is the best behaviour */
//>> p_unit_test 3
//; search_re('buffer_load_dword')
//; search_re('buffer_store_dword')
//; search_re('buffer_load_dword')
bld.pseudo(aco_opcode::p_unit_test, Operand::c32(3u));
create_mubuf();
create_mubuf_store();
create_mubuf();
finish_form_hard_clause_test();
}
END_TEST
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