Caio Oliveira
74a4e7dd4b
Fixes: b605f76b2a ("brw/algebraic: Constant fold multiplicands of MAD")
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36867>
79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/*
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* Copyright 2025 Intel Corporation
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* SPDX-License-Identifier: MIT
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*/
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#include "test_helpers.h"
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#include "brw_builder.h"
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class algebraic_test : public brw_shader_pass_test {};
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TEST_F(algebraic_test, imax_a_a)
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{
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brw_builder bld = make_shader(MESA_SHADER_FRAGMENT, 16);
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brw_builder exp = make_shader(MESA_SHADER_FRAGMENT, 16);
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brw_reg dst0 = vgrf(bld, exp, BRW_TYPE_D);
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brw_reg src0 = vgrf(bld, exp, BRW_TYPE_D);
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bld.emit_minmax(dst0, src0, src0, BRW_CONDITIONAL_GE);
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EXPECT_PROGRESS(brw_opt_algebraic, bld);
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exp.MOV(dst0, src0);
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EXPECT_SHADERS_MATCH(bld, exp);
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}
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TEST_F(algebraic_test, sel_a_a)
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{
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brw_builder bld = make_shader(MESA_SHADER_FRAGMENT, 16);
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brw_builder exp = make_shader(MESA_SHADER_FRAGMENT, 16);
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brw_reg dst0 = vgrf(bld, exp, BRW_TYPE_D);
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brw_reg src0 = vgrf(bld, exp, BRW_TYPE_D);
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bld.SEL(dst0, src0, src0)
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->predicate = BRW_PREDICATE_NORMAL;
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EXPECT_PROGRESS(brw_opt_algebraic, bld);
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exp.MOV(dst0, src0);
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EXPECT_SHADERS_MATCH(bld, exp);
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}
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TEST_F(algebraic_test, fmax_a_a)
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{
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brw_builder bld = make_shader(MESA_SHADER_FRAGMENT, 16);
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brw_reg dst0 = vgrf(bld, BRW_TYPE_F);
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brw_reg src0 = vgrf(bld, BRW_TYPE_F);
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bld.emit_minmax(dst0, src0, src0, BRW_CONDITIONAL_GE);
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/* SEL.GE may flush denorms to zero. We don't have enough information at
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* this point in compilation to know whether or not it is safe to remove
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* that.
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*/
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EXPECT_NO_PROGRESS(brw_opt_algebraic, bld);
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}
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TEST_F(algebraic_test, mad_with_all_immediates)
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{
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brw_builder bld = make_shader();
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brw_builder exp = make_shader();
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brw_reg dst = vgrf(bld, exp, BRW_TYPE_UD);
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bld.MAD(dst, brw_imm_ud(2), brw_imm_ud(3), brw_imm_ud(4));
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EXPECT_PROGRESS(brw_opt_algebraic, bld);
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exp.MOV(dst, brw_imm_ud(14));
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EXPECT_SHADERS_MATCH(bld, exp);
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}
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