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* The MIT License (MIT)

* 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 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 <migraphx/eliminate_common_subexpression.hpp>

#include <migraphx/pass_manager.hpp>

#include <migraphx/dead_code_elimination.hpp>

#include <basic_ops.hpp>

#include <migraphx/make_op.hpp>

#include <test.hpp>

static void run_pass(migraphx::program& p)

{

migraphx::run_passes(

p, {migraphx::eliminate_common_subexpression{}, migraphx::dead_code_elimination{}});

}

static void run_pass(migraphx::module& m)

{

migraphx::run_passes(

m, {migraphx::eliminate_common_subexpression{}, migraphx::dead_code_elimination{}});

}

TEST_CASE(cse_test1)

{

migraphx::module m1;

{

auto one = m1.add_literal(1);

auto two = m1.add_literal(2);

auto sum1 = m1.add_instruction(migraphx::make_op("add"), one, two);

auto sum2 = m1.add_instruction(migraphx::make_op("add"), one, two);

auto sum3 = m1.add_instruction(migraphx::make_op("add"), sum1, sum2);

m1.add_instruction(pass_op{}, sum3);

}

run_pass(m1);

migraphx::module m2;

{

auto one = m2.add_literal(1);

auto two = m2.add_literal(2);

auto sum1 = m2.add_instruction(migraphx::make_op("add"), one, two);

auto sum3 = m2.add_instruction(migraphx::make_op("add"), sum1, sum1);

m2.add_instruction(pass_op{}, sum3);

}

EXPECT(m1 == m2);

}

TEST_CASE(cse_test2)

{

migraphx::module m1;

{

auto one = m1.add_literal(1);

auto two = m1.add_literal(2);

auto sum1 = m1.add_instruction(migraphx::make_op("add"), one, two);

auto sum2 = m1.add_instruction(migraphx::make_op("add"), two, one);

auto sum3 = m1.add_instruction(migraphx::make_op("add"), sum1, sum2);

m1.add_instruction(pass_op{}, sum3);

}

run_pass(m1);

migraphx::module m2;

{

auto one = m2.add_literal(1);

auto two = m2.add_literal(2);

auto sum1 = m2.add_instruction(migraphx::make_op("add"), one, two);

auto sum2 = m2.add_instruction(migraphx::make_op("add"), two, one);

auto sum3 = m2.add_instruction(migraphx::make_op("add"), sum1, sum2);

m2.add_instruction(pass_op{}, sum3);

}

EXPECT(m1 == m2);

}

TEST_CASE(cse_test3)

{

migraphx::module m1;

{

auto one = m1.add_literal(1);

auto two = m1.add_literal(1);

auto sum1 = m1.add_instruction(migraphx::make_op("add"), one, two);

auto sum2 = m1.add_instruction(migraphx::make_op("add"), two, one);

auto sum3 = m1.add_instruction(migraphx::make_op("add"), sum1, sum2);

m1.add_instruction(pass_op{}, sum3);

}

run_pass(m1);

migraphx::module m2;

{

auto one = m2.add_literal(1);

auto sum1 = m2.add_instruction(migraphx::make_op("add"), one, one);

auto sum3 = m2.add_instruction(migraphx::make_op("add"), sum1, sum1);

m2.add_instruction(pass_op{}, sum3);

}

EXPECT(m1 == m2);

}

TEST_CASE(cse_test4)

{

migraphx::module m1;

{

auto one = m1.add_literal(1);

auto two = m1.add_literal(1);

auto sum1 = m1.add_instruction(migraphx::make_op("add"), one, two);

auto sum2 = m1.add_instruction(migraphx::make_op("add"), two, one);

auto sum3 = m1.add_instruction(migraphx::make_op("add"), sum1, one);

auto sum4 = m1.add_instruction(migraphx::make_op("add"), sum2, two);

auto sum5 = m1.add_instruction(migraphx::make_op("add"), sum4, sum3);

m1.add_instruction(pass_op{}, sum5);

}

run_pass(m1);

migraphx::module m2;

{

auto one = m2.add_literal(1);

auto sum1 = m2.add_instruction(migraphx::make_op("add"), one, one);

auto sum3 = m2.add_instruction(migraphx::make_op("add"), sum1, one);

auto sum5 = m2.add_instruction(migraphx::make_op("add"), sum3, sum3);

m2.add_instruction(pass_op{}, sum5);

}

EXPECT(m1 == m2);

}

TEST_CASE(cse_test_literal)

{

migraphx::module m1;

{

auto six1 = m1.add_literal(6);

auto zero1 = m1.add_literal(0);

auto six2 = m1.add_literal(6);

auto zero2 = m1.add_literal(0);

auto six3 = m1.add_literal(6);

auto zero3 = m1.add_literal(0);

auto sum1 = m1.add_instruction(migraphx::make_op("add"), six1, zero1);

auto sum2 = m1.add_instruction(migraphx::make_op("add"), six2, zero2);

auto sum3 = m1.add_instruction(migraphx::make_op("add"), six3, zero3);

auto sum4 = m1.add_instruction(migraphx::make_op("add"), sum1, sum2);

auto sum5 = m1.add_instruction(migraphx::make_op("add"), sum3, sum4);

m1.add_instruction(pass_op{}, sum5);

}

run_pass(m1);

migraphx::module m2;

{

auto six = m2.add_literal(6);

auto zero = m2.add_literal(0);

auto sum1 = m2.add_instruction(migraphx::make_op("add"), six, zero);

auto sum2 = m2.add_instruction(migraphx::make_op("add"), sum1, sum1);

auto sum3 = m2.add_instruction(migraphx::make_op("add"), sum1, sum2);

m2.add_instruction(pass_op{}, sum3);

}

EXPECT(m1 == m2);

}

TEST_CASE(cse_test_submodule)

{

migraphx::shape si{migraphx::shape::int64_type};

migraphx::shape s{migraphx::shape::int64_type, {1}};

migraphx::shape sc{migraphx::shape::bool_type};

auto create_program = [&](bool remove_literal = false) {

migraphx::program p;

std::vector<bool> vc = {true};

std::vector<int64_t> vd = {3};

auto* mm = p.get_main_module();

auto in_cond = mm->add_parameter("ccond", sc);

auto in_val = mm->add_parameter("val", s);

auto b0 = mm->add_literal(migraphx::literal(sc, vc));

auto b1 = b0;

if(not(remove_literal))

b1 = mm->add_literal(migraphx::literal(sc, vc));

auto* body1 = p.create_module("loop_module1");

body1->add_parameter("#loop_module_in_1", sc);

auto in_v1 = body1->add_parameter("#loop_module_in_2", s);

auto l1 = body1->add_literal(migraphx::literal(si, vd));

auto ad1 = body1->add_instruction(migraphx::make_op("add"), l1, l1);

auto val1 = body1->add_instruction(migraphx::make_op("add"), in_v1, ad1);

auto cond1 = body1->add_instruction(

migraphx::make_op("convert", {{"target_type", migraphx::shape::bool_type}}), b0);

auto cond2 = body1->add_instruction(

migraphx::make_op("convert", {{"target_type", migraphx::shape::bool_type}}), b1);

body1->add_return({cond1, cond2, val1, val1});

auto* body2 = p.create_module("loop_module2");

body2->add_parameter("#loop_module_in_1", sc);

auto in_v2 = body2->add_parameter("#loop_module_in_2", s);

auto l2 = body2->add_literal(migraphx::literal(si, vd));

auto ad2 = body2->add_instruction(migraphx::make_op("add"), l2, l2);

auto val2 = body2->add_instruction(migraphx::make_op("add"), in_v2, ad2);

auto cond3 = body2->add_instruction(

migraphx::make_op("convert", {{"target_type", migraphx::shape::bool_type}}), b1);

body2->add_return({cond3, val2, val2});

auto loop1 = mm->add_instruction(

migraphx::make_op("loop", {{"max_iterations", 1}}), {in_cond, in_val}, {body1});

auto loop2 = mm->add_instruction(

migraphx::make_op("loop", {{"max_iterations", 1}}), {in_cond, in_val}, {body2});

mm->add_return({loop1, loop2});

return p;

};

auto p = create_program();

run_pass(p);

EXPECT(p == create_program(true));

}

int main(int argc, const char* argv[]) { test::run(argc, argv); }

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