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pan/bi: Unit test swizzle lowering

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We're about to extend this pass to support 8-bit swizzles. That will be a
nontrivial change, so let's get some testing for what's already in the pass.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18656>
This commit is contained in:
Alyssa Rosenzweig 2022-06-22 16:36:11 -04:00 • committed by Marge Bot
parent 1370c27728
commit d471b386c1
2 changed files with 67 additions and 0 deletions
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1
src/panfrost/bifrost/meson.build
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@ -164,6 +164,7 @@ if with_tests
files(
'test/test-constant-fold.cpp',
'test/test-dual-texture.cpp',
'test/test-lower-swizzle.cpp',
'test/test-message-preload.cpp',
'test/test-optimizer.cpp',
'test/test-pack-formats.cpp',

66
src/panfrost/bifrost/test/test-lower-swizzle.cpp Normal file
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@ -0,0 +1,66 @@
/*
* Copyright (C) 2022 Collabora, Ltd.
*
* 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 "compiler.h"
#include "bi_test.h"
#include "bi_builder.h"
#include <gtest/gtest.h>
#define CASE(instr, expected) INSTRUCTION_CASE(instr, expected, bi_lower_swizzle)
#define NEGCASE(instr) CASE(instr, instr)
class LowerSwizzle : public testing::Test {
protected:
LowerSwizzle() {
mem_ctx = ralloc_context(NULL);
reg = bi_register(0);
x = bi_register(1);
y = bi_register(2);
z = bi_register(3);
w = bi_register(4);
}
~LowerSwizzle() {
ralloc_free(mem_ctx);
}
void *mem_ctx;
bi_index reg, x, y, z, w;
};
TEST_F(LowerSwizzle, Csel16)
{
CASE(bi_csel_v2f16_to(b, reg, bi_half(x, 0), y, z, w, BI_CMPF_NE),
bi_csel_v2f16_to(b, reg, bi_swz_v2i16(b, bi_half(x, 0)), y, z, w, BI_CMPF_NE));
}
TEST_F(LowerSwizzle, Fma16)
{
NEGCASE(bi_fadd_v2f16_to(b, reg, bi_half(x, 0), y));
NEGCASE(bi_fma_v2f16_to(b, reg, bi_half(x, 0), y, z));
}