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intel/fs: add a saturation propagation test

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Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20206>
This commit is contained in:
Lionel Landwerlin 2022-12-08 16:12:24 +02:00 • committed by Marge Bot
parent d5d8bb1dbb
commit b4b4294a78
1 changed files with 39 additions and 0 deletions
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39
src/intel/compiler/test_fs_saturate_propagation.cpp
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@ -802,3 +802,42 @@ TEST_F(saturate_propagation_test, larger_exec_size_consumer)
EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
EXPECT_TRUE(instruction(block0, 1)->saturate);
}
TEST_F(saturate_propagation_test, offset_source_barrier)
{
const fs_builder &bld = v->bld;
fs_reg dst0 = v->vgrf(glsl_type::float_type);
fs_reg dst1 = v->vgrf(glsl_type::float_type);
fs_reg dst2 = v->vgrf(glsl_type::float_type);
fs_reg src0 = v->vgrf(glsl_type::float_type);
fs_reg src1 = v->vgrf(glsl_type::float_type);
bld.group(16, 0).ADD(dst0, src0, src1);
bld.group(1, 0).ADD(dst1, component(dst0, 8), brw_imm_f(1.0f));
set_saturate(true, bld.group(16, 0).MOV(dst2, dst0));
/* = Before =
*
* 0: add(16) dst0 src0 src1
* 0: add(1) dst1 dst0+8 1.0f
* 1: mov.sat(16) dst2 dst0
*
* = After =
* (no changes)
*/
v->calculate_cfg();
bblock_t *block0 = v->cfg->blocks[0];
EXPECT_EQ(0, block0->start_ip);
EXPECT_EQ(2, block0->end_ip);
EXPECT_FALSE(saturate_propagation(v));
EXPECT_EQ(0, block0->start_ip);
EXPECT_EQ(2, block0->end_ip);
EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 0)->opcode);
EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 1)->opcode);
EXPECT_FALSE(instruction(block0, 0)->saturate);
EXPECT_FALSE(instruction(block0, 1)->saturate);
EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 2)->opcode);
EXPECT_TRUE(instruction(block0, 2)->saturate);
}