This patch converts optimization-test.sh to python, in this process it removes external shell dependencies including diff. It replaces the python script that generates shell scripts with a python library that generates test cases and runs them using subprocess.
Signed-off-by: Dylan Baker <dylan.c.ba...@intel.com> --- src/compiler/glsl/tests/lower_jump_cases.py | 643 ++++++++- src/compiler/glsl/tests/lower_jumps/.gitignore | 3 +- src/compiler/glsl/tests/lower_jumps/create_test_cases.py | 673 +-------- src/compiler/glsl/tests/optimization-test.sh | 87 +- src/compiler/glsl/tests/optimization_test.py | 95 +- 5 files changed, 739 insertions(+), 762 deletions(-) create mode 100644 src/compiler/glsl/tests/lower_jump_cases.py delete mode 100644 src/compiler/glsl/tests/lower_jumps/.gitignore delete mode 100644 src/compiler/glsl/tests/lower_jumps/create_test_cases.py create mode 100755 src/compiler/glsl/tests/optimization_test.py diff --git a/src/compiler/glsl/tests/lower_jump_cases.py b/src/compiler/glsl/tests/lower_jump_cases.py new file mode 100644 index 0000000..b50ab73 --- /dev/null +++ b/src/compiler/glsl/tests/lower_jump_cases.py @@ -0,0 +1,643 @@ +# coding=utf-8 +# +# Copyright © 2011, 2018 Intel Corporation +# +# 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. + +from sexps import * + +def make_test_case(f_name, ret_type, body): + """Create a simple optimization test case consisting of a single + function with the given name, return type, and body. + + Global declarations are automatically created for any undeclared + variables that are referenced by the function. All undeclared + variables are assumed to be floats. + """ + check_sexp(body) + declarations = {} + def make_declarations(sexp, already_declared = ()): + if isinstance(sexp, list): + if len(sexp) == 2 and sexp[0] == 'var_ref': + if sexp[1] not in already_declared: + declarations[sexp[1]] = [ + 'declare', ['in'], 'float', sexp[1]] + elif len(sexp) == 4 and sexp[0] == 'assign': + assert sexp[2][0] == 'var_ref' + if sexp[2][1] not in already_declared: + declarations[sexp[2][1]] = [ + 'declare', ['out'], 'float', sexp[2][1]] + make_declarations(sexp[3], already_declared) + else: + already_declared = set(already_declared) + for s in sexp: + if isinstance(s, list) and len(s) >= 4 and \ + s[0] == 'declare': + already_declared.add(s[3]) + else: + make_declarations(s, already_declared) + make_declarations(body) + return declarations.values() + \ + [['function', f_name, ['signature', ret_type, ['parameters'], body]]] + + +# The following functions can be used to build expressions. + +def const_float(value): + """Create an expression representing the given floating point value.""" + return ['constant', 'float', ['{0:.6f}'.format(value)]] + +def const_bool(value): + """Create an expression representing the given boolean value. + + If value is not a boolean, it is converted to a boolean. So, for + instance, const_bool(1) is equivalent to const_bool(True). + """ + return ['constant', 'bool', ['{0}'.format(1 if value else 0)]] + +def gt_zero(var_name): + """Create Construct the expression var_name > 0""" + return ['expression', 'bool', '<', const_float(0), ['var_ref', var_name]] + + +# The following functions can be used to build complex control flow +# statements. All of these functions return statement lists (even +# those which only create a single statement), so that statements can +# be sequenced together using the '+' operator. + +def return_(value = None): + """Create a return statement.""" + if value is not None: + return [['return', value]] + else: + return [['return']] + +def break_(): + """Create a break statement.""" + return ['break'] + +def continue_(): + """Create a continue statement.""" + return ['continue'] + +def simple_if(var_name, then_statements, else_statements = None): + """Create a statement of the form + + if (var_name > 0.0) { + <then_statements> + } else { + <else_statements> + } + + else_statements may be omitted. + """ + if else_statements is None: + else_statements = [] + check_sexp(then_statements) + check_sexp(else_statements) + return [['if', gt_zero(var_name), then_statements, else_statements]] + +def loop(statements): + """Create a loop containing the given statements as its loop + body. + """ + check_sexp(statements) + return [['loop', statements]] + +def declare_temp(var_type, var_name): + """Create a declaration of the form + + (declare (temporary) <var_type> <var_name) + """ + return [['declare', ['temporary'], var_type, var_name]] + +def assign_x(var_name, value): + """Create a statement that assigns <value> to the variable + <var_name>. The assignment uses the mask (x). + """ + check_sexp(value) + return [['assign', ['x'], ['var_ref', var_name], value]] + +def complex_if(var_prefix, statements): + """Create a statement of the form + + if (<var_prefix>a > 0.0) { + if (<var_prefix>b > 0.0) { + <statements> + } + } + + This is useful in testing jump lowering, because if <statements> + ends in a jump, lower_jumps.cpp won't try to combine this + construct with the code that follows it, as it might do for a + simple if. + + All variables used in the if statement are prefixed with + var_prefix. This can be used to ensure uniqueness. + """ + check_sexp(statements) + return simple_if(var_prefix + 'a', simple_if(var_prefix + 'b', statements)) + +def declare_execute_flag(): + """Create the statements that lower_jumps.cpp uses to declare and + initialize the temporary boolean execute_flag. + """ + return declare_temp('bool', 'execute_flag') + \ + assign_x('execute_flag', const_bool(True)) + +def declare_return_flag(): + """Create the statements that lower_jumps.cpp uses to declare and + initialize the temporary boolean return_flag. + """ + return declare_temp('bool', 'return_flag') + \ + assign_x('return_flag', const_bool(False)) + +def declare_return_value(): + """Create the statements that lower_jumps.cpp uses to declare and + initialize the temporary variable return_value. Assume that + return_value is a float. + """ + return declare_temp('float', 'return_value') + +def declare_break_flag(): + """Create the statements that lower_jumps.cpp uses to declare and + initialize the temporary boolean break_flag. + """ + return declare_temp('bool', 'break_flag') + \ + assign_x('break_flag', const_bool(False)) + +def lowered_return_simple(value = None): + """Create the statements that lower_jumps.cpp lowers a return + statement to, in situations where it does not need to clear the + execute flag. + """ + if value: + result = assign_x('return_value', value) + else: + result = [] + return result + assign_x('return_flag', const_bool(True)) + +def lowered_return(value = None): + """Create the statements that lower_jumps.cpp lowers a return + statement to, in situations where it needs to clear the execute + flag. + """ + return lowered_return_simple(value) + \ + assign_x('execute_flag', const_bool(False)) + +def lowered_continue(): + """Create the statement that lower_jumps.cpp lowers a continue + statement to. + """ + return assign_x('execute_flag', const_bool(False)) + +def lowered_break_simple(): + """Create the statement that lower_jumps.cpp lowers a break + statement to, in situations where it does not need to clear the + execute flag. + """ + return assign_x('break_flag', const_bool(True)) + +def lowered_break(): + """Create the statement that lower_jumps.cpp lowers a break + statement to, in situations where it needs to clear the execute + flag. + """ + return lowered_break_simple() + assign_x('execute_flag', const_bool(False)) + +def if_execute_flag(statements): + """Wrap statements in an if test so that they will only execute if + execute_flag is True. + """ + check_sexp(statements) + return [['if', ['var_ref', 'execute_flag'], statements, []]] + +def if_return_flag(then_statements, else_statements): + """Wrap statements in an if test with return_flag as the condition. + """ + check_sexp(then_statements) + check_sexp(else_statements) + return [['if', ['var_ref', 'return_flag'], then_statements, else_statements]] + +def if_not_return_flag(statements): + """Wrap statements in an if test so that they will only execute if + return_flag is False. + """ + check_sexp(statements) + return [['if', ['var_ref', 'return_flag'], [], statements]] + +def final_return(): + """Create the return statement that lower_jumps.cpp places at the + end of a function when lowering returns. + """ + return [['return', ['var_ref', 'return_value']]] + +def final_break(): + """Create the conditional break statement that lower_jumps.cpp + places at the end of a function when lowering breaks. + """ + return [['if', ['var_ref', 'break_flag'], break_(), []]] + +def bash_quote(*args): + """Quote the arguments appropriately so that bash will understand + each argument as a single word. + """ + def quote_word(word): + for c in word: + if not (c.isalpha() or c.isdigit() or c in '@%_-+=:,./'): + break + else: + if not word: + return "''" + return word + return "'{0}'".format(word.replace("'", "'\"'\"'")) + return ' '.join(quote_word(word) for word in args) + +def create_test_case(input_sexp, expected_sexp, test_name, + pull_out_jumps=False, lower_sub_return=False, + lower_main_return=False, lower_continue=False, + lower_break=False): + """Create a test case that verifies that do_lower_jumps transforms + the given code in the expected way. + """ + check_sexp(input_sexp) + check_sexp(expected_sexp) + input_str = sexp_to_string(sort_decls(input_sexp)) + expected_output = sexp_to_string(sort_decls(expected_sexp)) # XXX: don't stringify this + optimization = ( + 'do_lower_jumps({0:d}, {1:d}, {2:d}, {3:d}, {4:d})'.format( + pull_out_jumps, lower_sub_return, lower_main_return, + lower_continue, lower_break)) + + return (test_name, optimization, input_str, expected_output) + +def test_lower_returns_main(): + """Test that do_lower_jumps respects the lower_main_return flag in deciding + whether to lower returns in the main function. + """ + input_sexp = make_test_case('main', 'void', ( + complex_if('', return_()) + )) + expected_sexp = make_test_case('main', 'void', ( + declare_execute_flag() + + declare_return_flag() + + complex_if('', lowered_return()) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_returns_main_true', + lower_main_return=True) + yield create_test_case( + input_sexp, input_sexp, 'lower_returns_main_false', + lower_main_return=False) + +def test_lower_returns_sub(): + """Test that do_lower_jumps respects the lower_sub_return flag in deciding + whether to lower returns in subroutines. + """ + input_sexp = make_test_case('sub', 'void', ( + complex_if('', return_()) + )) + expected_sexp = make_test_case('sub', 'void', ( + declare_execute_flag() + + declare_return_flag() + + complex_if('', lowered_return()) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_returns_sub_true', + lower_sub_return=True) + yield create_test_case( + input_sexp, input_sexp, 'lower_returns_sub_false', + lower_sub_return=False) + +def test_lower_returns_1(): + """Test that a void return at the end of a function is eliminated.""" + input_sexp = make_test_case('main', 'void', ( + assign_x('a', const_float(1)) + + return_() + )) + expected_sexp = make_test_case('main', 'void', ( + assign_x('a', const_float(1)) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_returns_1', lower_main_return=True) + +def test_lower_returns_2(): + """Test that lowering is not performed on a non-void return at the end of + subroutine. + """ + input_sexp = make_test_case('sub', 'float', ( + assign_x('a', const_float(1)) + + return_(const_float(1)) + )) + yield create_test_case( + input_sexp, input_sexp, 'lower_returns_2', lower_sub_return=True) + +def test_lower_returns_3(): + """Test lowering of returns when there is one nested inside a complex + structure of ifs, and one at the end of a function. + + In this case, the latter return needs to be lowered because it will not be + at the end of the function once the final return is inserted. + """ + input_sexp = make_test_case('sub', 'float', ( + complex_if('', return_(const_float(1))) + + return_(const_float(2)) + )) + expected_sexp = make_test_case('sub', 'float', ( + declare_execute_flag() + + declare_return_value() + + declare_return_flag() + + complex_if('', lowered_return(const_float(1))) + + if_execute_flag(lowered_return(const_float(2))) + + final_return() + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_returns_3', lower_sub_return=True) + +def test_lower_returns_4(): + """Test that returns are properly lowered when they occur in both branches + of an if-statement. + """ + input_sexp = make_test_case('sub', 'float', ( + simple_if('a', return_(const_float(1)), + return_(const_float(2))) + )) + expected_sexp = make_test_case('sub', 'float', ( + declare_execute_flag() + + declare_return_value() + + declare_return_flag() + + simple_if('a', lowered_return(const_float(1)), + lowered_return(const_float(2))) + + final_return() + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_returns_4', lower_sub_return=True) + +def test_lower_unified_returns(): + """If both branches of an if statement end in a return, and pull_out_jumps + is True, then those returns should be lifted outside the if and then + properly lowered. + + Verify that this lowering occurs during the same pass as the lowering of + other returns by checking that extra temporary variables aren't generated. + """ + input_sexp = make_test_case('main', 'void', ( + complex_if('a', return_()) + + simple_if('b', simple_if('c', return_(), return_())) + )) + expected_sexp = make_test_case('main', 'void', ( + declare_execute_flag() + + declare_return_flag() + + complex_if('a', lowered_return()) + + if_execute_flag(simple_if('b', (simple_if('c', [], []) + + lowered_return()))) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_unified_returns', + lower_main_return=True, pull_out_jumps=True) + +def test_lower_pulled_out_jump(): + doc_string = """If one branch of an if ends in a jump, and control cannot + fall out the bottom of the other branch, and pull_out_jumps is + True, then the jump is lifted outside the if. + + Verify that this lowering occurs during the same pass as the + lowering of other jumps by checking that extra temporary + variables aren't generated. + """ + input_sexp = make_test_case('main', 'void', ( + complex_if('a', return_()) + + loop(simple_if('b', simple_if('c', break_(), continue_()), + return_())) + + assign_x('d', const_float(1)) + )) + # Note: optimization produces two other effects: the break + # gets lifted out of the if statements, and the code after the + # loop gets guarded so that it only executes if the return + # flag is clear. + expected_sexp = make_test_case('main', 'void', ( + declare_execute_flag() + + declare_return_flag() + + complex_if('a', lowered_return()) + + if_execute_flag( + loop(simple_if('b', simple_if('c', [], continue_()), + lowered_return_simple()) + + break_()) + + + if_return_flag(assign_x('return_flag', const_bool(1)) + + assign_x('execute_flag', const_bool(0)), + assign_x('d', const_float(1)))) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_pulled_out_jump', + lower_main_return=True, pull_out_jumps=True) + +def test_lower_breaks_1(): + """If a loop contains an unconditional break at the bottom of it, it should + not be lowered. + """ + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + break_()) + )) + expected_sexp = input_sexp + yield create_test_case( + input_sexp, expected_sexp, 'lower_breaks_1', lower_break=True) + +def test_lower_breaks_2(): + """If a loop contains a conditional break at the bottom of it, it should + not be lowered if it is in the then-clause. + """ + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + simple_if('b', break_())) + )) + expected_sexp = input_sexp + yield create_test_case( + input_sexp, expected_sexp, 'lower_breaks_2', lower_break=True) + +def test_lower_breaks_3(): + """If a loop contains a conditional break at the bottom of it, it should + not be lowered if it is in the then-clause, even if there are statements + preceding the break. + """ + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + simple_if('b', (assign_x('c', const_float(1)) + + break_()))) + )) + expected_sexp = input_sexp + yield create_test_case( + input_sexp, expected_sexp, 'lower_breaks_3', lower_break=True) + +def test_lower_breaks_4(): + """If a loop contains a conditional break at the bottom of it, it should + not be lowered if it is in the else-clause. + """ + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + simple_if('b', [], break_())) + )) + expected_sexp = input_sexp + yield create_test_case( + input_sexp, expected_sexp, 'lower_breaks_4', lower_break=True) + +def test_lower_breaks_5(): + """If a loop contains a conditional break at the bottom of it, it should + not be lowered if it is in the else-clause, even if there are statements + preceding the break. + """ + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + simple_if('b', [], (assign_x('c', const_float(1)) + + break_()))) + )) + expected_sexp = input_sexp + yield create_test_case( + input_sexp, expected_sexp, 'lower_breaks_5', lower_break=True) + +def test_lower_breaks_6(): + """If a loop contains conditional breaks and continues, and ends in an + unconditional break, then the unconditional break needs to be lowered, + because it will no longer be at the end of the loop after the final break + is added. + """ + input_sexp = make_test_case('main', 'void', ( + loop(simple_if('a', (complex_if('b', continue_()) + + complex_if('c', break_()))) + + break_()) + )) + expected_sexp = make_test_case('main', 'void', ( + declare_break_flag() + + loop(declare_execute_flag() + + simple_if( + 'a', + (complex_if('b', lowered_continue()) + + if_execute_flag( + complex_if('c', lowered_break())))) + + if_execute_flag(lowered_break_simple()) + + final_break()) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_breaks_6', lower_break=True, + lower_continue=True) + +def test_lower_guarded_conditional_break(): + """Normally a conditional break at the end of a loop isn't lowered, however + if the conditional break gets placed inside an if(execute_flag) because of + earlier lowering of continues, then the break needs to be lowered. + """ + input_sexp = make_test_case('main', 'void', ( + loop(complex_if('a', continue_()) + + simple_if('b', break_())) + )) + expected_sexp = make_test_case('main', 'void', ( + declare_break_flag() + + loop(declare_execute_flag() + + complex_if('a', lowered_continue()) + + if_execute_flag(simple_if('b', lowered_break())) + + final_break()) + )) + yield create_test_case( + input_sexp, expected_sexp, 'lower_guarded_conditional_break', + lower_break=True, lower_continue=True) + +def test_remove_continue_at_end_of_loop(): + """Test that a redundant continue-statement at the end of a loop is + removed. + """ + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + continue_()) + )) + expected_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1))) + )) + yield create_test_case(input_sexp, expected_sexp, 'remove_continue_at_end_of_loop') + +def test_lower_return_void_at_end_of_loop(): + """Test that a return of void at the end of a loop is properly lowered.""" + input_sexp = make_test_case('main', 'void', ( + loop(assign_x('a', const_float(1)) + + return_()) + + assign_x('b', const_float(2)) + )) + expected_sexp = make_test_case('main', 'void', ( + declare_execute_flag() + + declare_return_flag() + + loop(assign_x('a', const_float(1)) + + lowered_return_simple() + + break_()) + + if_return_flag(assign_x('return_flag', const_bool(1)) + + assign_x('execute_flag', const_bool(0)), + assign_x('b', const_float(2))) + )) + yield create_test_case( + input_sexp, input_sexp, 'return_void_at_end_of_loop_lower_nothing') + yield create_test_case( + input_sexp, expected_sexp, 'return_void_at_end_of_loop_lower_return', + lower_main_return=True) + yield create_test_case( + input_sexp, expected_sexp, + 'return_void_at_end_of_loop_lower_return_and_break', + lower_main_return=True, lower_break=True) + +def test_lower_return_non_void_at_end_of_loop(): + """Test that a non-void return at the end of a loop is properly lowered.""" + input_sexp = make_test_case('sub', 'float', ( + loop(assign_x('a', const_float(1)) + + return_(const_float(2))) + + assign_x('b', const_float(3)) + + return_(const_float(4)) + )) + expected_sexp = make_test_case('sub', 'float', ( + declare_execute_flag() + + declare_return_value() + + declare_return_flag() + + loop(assign_x('a', const_float(1)) + + lowered_return_simple(const_float(2)) + + break_()) + + if_return_flag(assign_x('return_value', '(var_ref return_value)') + + assign_x('return_flag', const_bool(1)) + + assign_x('execute_flag', const_bool(0)), + assign_x('b', const_float(3)) + + lowered_return(const_float(4))) + + final_return() + )) + yield create_test_case( + input_sexp, input_sexp, 'return_non_void_at_end_of_loop_lower_nothing') + yield create_test_case( + input_sexp, expected_sexp, + 'return_non_void_at_end_of_loop_lower_return', lower_sub_return=True) + yield create_test_case( + input_sexp, expected_sexp, + 'return_non_void_at_end_of_loop_lower_return_and_break', + lower_sub_return=True, lower_break=True) + +CASES = [ + test_lower_breaks_1, test_lower_breaks_2, test_lower_breaks_3, + test_lower_breaks_4, test_lower_breaks_5, test_lower_breaks_6, + test_lower_guarded_conditional_break, test_lower_pulled_out_jump, + test_lower_return_non_void_at_end_of_loop, + test_lower_return_void_at_end_of_loop, + test_lower_returns_1, test_lower_returns_2, test_lower_returns_3, + test_lower_returns_4, test_lower_returns_main, test_lower_returns_sub, + test_lower_unified_returns, test_remove_continue_at_end_of_loop, +] diff --git a/src/compiler/glsl/tests/lower_jumps/.gitignore b/src/compiler/glsl/tests/lower_jumps/.gitignore deleted file mode 100644 index e98df62..0000000 --- a/src/compiler/glsl/tests/lower_jumps/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -*.opt_test -*.expected -*.out diff --git a/src/compiler/glsl/tests/lower_jumps/create_test_cases.py b/src/compiler/glsl/tests/lower_jumps/create_test_cases.py deleted file mode 100644 index 88a74a3..0000000 --- a/src/compiler/glsl/tests/lower_jumps/create_test_cases.py +++ /dev/null @@ -1,673 +0,0 @@ -# coding=utf-8 -# -# Copyright © 2011 Intel Corporation -# -# 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. - -import argparse -import os -import os.path -import re -import subprocess -import sys - -sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..')) # For access to sexps.py, which is in parent dir -from sexps import * - -runner = ":" -outdir = "." -def make_test_case(f_name, ret_type, body): - """Create a simple optimization test case consisting of a single - function with the given name, return type, and body. - - Global declarations are automatically created for any undeclared - variables that are referenced by the function. All undeclared - variables are assumed to be floats. - """ - check_sexp(body) - declarations = {} - def make_declarations(sexp, already_declared = ()): - if isinstance(sexp, list): - if len(sexp) == 2 and sexp[0] == 'var_ref': - if sexp[1] not in already_declared: - declarations[sexp[1]] = [ - 'declare', ['in'], 'float', sexp[1]] - elif len(sexp) == 4 and sexp[0] == 'assign': - assert sexp[2][0] == 'var_ref' - if sexp[2][1] not in already_declared: - declarations[sexp[2][1]] = [ - 'declare', ['out'], 'float', sexp[2][1]] - make_declarations(sexp[3], already_declared) - else: - already_declared = set(already_declared) - for s in sexp: - if isinstance(s, list) and len(s) >= 4 and \ - s[0] == 'declare': - already_declared.add(s[3]) - else: - make_declarations(s, already_declared) - make_declarations(body) - return declarations.values() + \ - [['function', f_name, ['signature', ret_type, ['parameters'], body]]] - - -# The following functions can be used to build expressions. - -def const_float(value): - """Create an expression representing the given floating point value.""" - return ['constant', 'float', ['{0:.6f}'.format(value)]] - -def const_bool(value): - """Create an expression representing the given boolean value. - - If value is not a boolean, it is converted to a boolean. So, for - instance, const_bool(1) is equivalent to const_bool(True). - """ - return ['constant', 'bool', ['{0}'.format(1 if value else 0)]] - -def gt_zero(var_name): - """Create Construct the expression var_name > 0""" - return ['expression', 'bool', '<', const_float(0), ['var_ref', var_name]] - - -# The following functions can be used to build complex control flow -# statements. All of these functions return statement lists (even -# those which only create a single statement), so that statements can -# be sequenced together using the '+' operator. - -def return_(value = None): - """Create a return statement.""" - if value is not None: - return [['return', value]] - else: - return [['return']] - -def break_(): - """Create a break statement.""" - return ['break'] - -def continue_(): - """Create a continue statement.""" - return ['continue'] - -def simple_if(var_name, then_statements, else_statements = None): - """Create a statement of the form - - if (var_name > 0.0) { - <then_statements> - } else { - <else_statements> - } - - else_statements may be omitted. - """ - if else_statements is None: - else_statements = [] - check_sexp(then_statements) - check_sexp(else_statements) - return [['if', gt_zero(var_name), then_statements, else_statements]] - -def loop(statements): - """Create a loop containing the given statements as its loop - body. - """ - check_sexp(statements) - return [['loop', statements]] - -def declare_temp(var_type, var_name): - """Create a declaration of the form - - (declare (temporary) <var_type> <var_name) - """ - return [['declare', ['temporary'], var_type, var_name]] - -def assign_x(var_name, value): - """Create a statement that assigns <value> to the variable - <var_name>. The assignment uses the mask (x). - """ - check_sexp(value) - return [['assign', ['x'], ['var_ref', var_name], value]] - -def complex_if(var_prefix, statements): - """Create a statement of the form - - if (<var_prefix>a > 0.0) { - if (<var_prefix>b > 0.0) { - <statements> - } - } - - This is useful in testing jump lowering, because if <statements> - ends in a jump, lower_jumps.cpp won't try to combine this - construct with the code that follows it, as it might do for a - simple if. - - All variables used in the if statement are prefixed with - var_prefix. This can be used to ensure uniqueness. - """ - check_sexp(statements) - return simple_if(var_prefix + 'a', simple_if(var_prefix + 'b', statements)) - -def declare_execute_flag(): - """Create the statements that lower_jumps.cpp uses to declare and - initialize the temporary boolean execute_flag. - """ - return declare_temp('bool', 'execute_flag') + \ - assign_x('execute_flag', const_bool(True)) - -def declare_return_flag(): - """Create the statements that lower_jumps.cpp uses to declare and - initialize the temporary boolean return_flag. - """ - return declare_temp('bool', 'return_flag') + \ - assign_x('return_flag', const_bool(False)) - -def declare_return_value(): - """Create the statements that lower_jumps.cpp uses to declare and - initialize the temporary variable return_value. Assume that - return_value is a float. - """ - return declare_temp('float', 'return_value') - -def declare_break_flag(): - """Create the statements that lower_jumps.cpp uses to declare and - initialize the temporary boolean break_flag. - """ - return declare_temp('bool', 'break_flag') + \ - assign_x('break_flag', const_bool(False)) - -def lowered_return_simple(value = None): - """Create the statements that lower_jumps.cpp lowers a return - statement to, in situations where it does not need to clear the - execute flag. - """ - if value: - result = assign_x('return_value', value) - else: - result = [] - return result + assign_x('return_flag', const_bool(True)) - -def lowered_return(value = None): - """Create the statements that lower_jumps.cpp lowers a return - statement to, in situations where it needs to clear the execute - flag. - """ - return lowered_return_simple(value) + \ - assign_x('execute_flag', const_bool(False)) - -def lowered_continue(): - """Create the statement that lower_jumps.cpp lowers a continue - statement to. - """ - return assign_x('execute_flag', const_bool(False)) - -def lowered_break_simple(): - """Create the statement that lower_jumps.cpp lowers a break - statement to, in situations where it does not need to clear the - execute flag. - """ - return assign_x('break_flag', const_bool(True)) - -def lowered_break(): - """Create the statement that lower_jumps.cpp lowers a break - statement to, in situations where it needs to clear the execute - flag. - """ - return lowered_break_simple() + assign_x('execute_flag', const_bool(False)) - -def if_execute_flag(statements): - """Wrap statements in an if test so that they will only execute if - execute_flag is True. - """ - check_sexp(statements) - return [['if', ['var_ref', 'execute_flag'], statements, []]] - -def if_return_flag(then_statements, else_statements): - """Wrap statements in an if test with return_flag as the condition. - """ - check_sexp(then_statements) - check_sexp(else_statements) - return [['if', ['var_ref', 'return_flag'], then_statements, else_statements]] - -def if_not_return_flag(statements): - """Wrap statements in an if test so that they will only execute if - return_flag is False. - """ - check_sexp(statements) - return [['if', ['var_ref', 'return_flag'], [], statements]] - -def final_return(): - """Create the return statement that lower_jumps.cpp places at the - end of a function when lowering returns. - """ - return [['return', ['var_ref', 'return_value']]] - -def final_break(): - """Create the conditional break statement that lower_jumps.cpp - places at the end of a function when lowering breaks. - """ - return [['if', ['var_ref', 'break_flag'], break_(), []]] - -def bash_quote(*args): - """Quote the arguments appropriately so that bash will understand - each argument as a single word. - """ - def quote_word(word): - for c in word: - if not (c.isalpha() or c.isdigit() or c in '@%_-+=:,./'): - break - else: - if not word: - return "''" - return word - return "'{0}'".format(word.replace("'", "'\"'\"'")) - return ' '.join(quote_word(word) for word in args) - -def create_test_case(doc_string, input_sexp, expected_sexp, test_name, - pull_out_jumps=False, lower_sub_return=False, - lower_main_return=False, lower_continue=False, - lower_break=False): - """Create a test case that verifies that do_lower_jumps transforms - the given code in the expected way. - """ - doc_lines = [line.strip() for line in doc_string.splitlines()] - doc_string = ''.join('# {0}\n'.format(line) for line in doc_lines if line != '') - check_sexp(input_sexp) - check_sexp(expected_sexp) - input_str = sexp_to_string(sort_decls(input_sexp)) - expected_output = sexp_to_string(sort_decls(expected_sexp)) - - optimization = ( - 'do_lower_jumps({0:d}, {1:d}, {2:d}, {3:d}, {4:d})'.format( - pull_out_jumps, lower_sub_return, lower_main_return, - lower_continue, lower_break)) - args = [runner, 'optpass', '--quiet', '--input-ir', optimization] - test_file = os.path.join(outdir, '{0}.opt_test'.format(test_name)) - with open(test_file, 'w') as f: - f.write('#!/usr/bin/env bash\n#\n# This file was generated by create_test_cases.py.\n#\n') - f.write(doc_string) - f.write('{0} <<EOF\n'.format(bash_quote(*args))) - f.write('{0}\nEOF\n'.format(input_str)) - os.chmod(test_file, 0774) - expected_file = os.path.join(outdir, '{0}.opt_test.expected'.format(test_name)) - with open(expected_file, 'w') as f: - f.write('{0}\n'.format(expected_output)) - -def test_lower_returns_main(): - doc_string = """Test that do_lower_jumps respects the lower_main_return - flag in deciding whether to lower returns in the main - function. - """ - input_sexp = make_test_case('main', 'void', ( - complex_if('', return_()) - )) - expected_sexp = make_test_case('main', 'void', ( - declare_execute_flag() + - declare_return_flag() + - complex_if('', lowered_return()) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_returns_main_true', - lower_main_return=True) - create_test_case(doc_string, input_sexp, input_sexp, 'lower_returns_main_false', - lower_main_return=False) - -def test_lower_returns_sub(): - doc_string = """Test that do_lower_jumps respects the lower_sub_return flag - in deciding whether to lower returns in subroutines. - """ - input_sexp = make_test_case('sub', 'void', ( - complex_if('', return_()) - )) - expected_sexp = make_test_case('sub', 'void', ( - declare_execute_flag() + - declare_return_flag() + - complex_if('', lowered_return()) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_returns_sub_true', - lower_sub_return=True) - create_test_case(doc_string, input_sexp, input_sexp, 'lower_returns_sub_false', - lower_sub_return=False) - -def test_lower_returns_1(): - doc_string = """Test that a void return at the end of a function is - eliminated. - """ - input_sexp = make_test_case('main', 'void', ( - assign_x('a', const_float(1)) + - return_() - )) - expected_sexp = make_test_case('main', 'void', ( - assign_x('a', const_float(1)) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_returns_1', - lower_main_return=True) - -def test_lower_returns_2(): - doc_string = """Test that lowering is not performed on a non-void return at - the end of subroutine. - """ - input_sexp = make_test_case('sub', 'float', ( - assign_x('a', const_float(1)) + - return_(const_float(1)) - )) - create_test_case(doc_string, input_sexp, input_sexp, 'lower_returns_2', - lower_sub_return=True) - -def test_lower_returns_3(): - doc_string = """Test lowering of returns when there is one nested inside a - complex structure of ifs, and one at the end of a function. - - In this case, the latter return needs to be lowered because it - will not be at the end of the function once the final return - is inserted. - """ - input_sexp = make_test_case('sub', 'float', ( - complex_if('', return_(const_float(1))) + - return_(const_float(2)) - )) - expected_sexp = make_test_case('sub', 'float', ( - declare_execute_flag() + - declare_return_value() + - declare_return_flag() + - complex_if('', lowered_return(const_float(1))) + - if_execute_flag(lowered_return(const_float(2))) + - final_return() - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_returns_3', - lower_sub_return=True) - -def test_lower_returns_4(): - doc_string = """Test that returns are properly lowered when they occur in - both branches of an if-statement. - """ - input_sexp = make_test_case('sub', 'float', ( - simple_if('a', return_(const_float(1)), - return_(const_float(2))) - )) - expected_sexp = make_test_case('sub', 'float', ( - declare_execute_flag() + - declare_return_value() + - declare_return_flag() + - simple_if('a', lowered_return(const_float(1)), - lowered_return(const_float(2))) + - final_return() - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_returns_4', - lower_sub_return=True) - -def test_lower_unified_returns(): - doc_string = """If both branches of an if statement end in a return, and - pull_out_jumps is True, then those returns should be lifted - outside the if and then properly lowered. - - Verify that this lowering occurs during the same pass as the - lowering of other returns by checking that extra temporary - variables aren't generated. - """ - input_sexp = make_test_case('main', 'void', ( - complex_if('a', return_()) + - simple_if('b', simple_if('c', return_(), return_())) - )) - expected_sexp = make_test_case('main', 'void', ( - declare_execute_flag() + - declare_return_flag() + - complex_if('a', lowered_return()) + - if_execute_flag(simple_if('b', (simple_if('c', [], []) + - lowered_return()))) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_unified_returns', - lower_main_return=True, pull_out_jumps=True) - -def test_lower_pulled_out_jump(): - doc_string = """If one branch of an if ends in a jump, and control cannot - fall out the bottom of the other branch, and pull_out_jumps is - True, then the jump is lifted outside the if. - - Verify that this lowering occurs during the same pass as the - lowering of other jumps by checking that extra temporary - variables aren't generated. - """ - input_sexp = make_test_case('main', 'void', ( - complex_if('a', return_()) + - loop(simple_if('b', simple_if('c', break_(), continue_()), - return_())) + - assign_x('d', const_float(1)) - )) - # Note: optimization produces two other effects: the break - # gets lifted out of the if statements, and the code after the - # loop gets guarded so that it only executes if the return - # flag is clear. - expected_sexp = make_test_case('main', 'void', ( - declare_execute_flag() + - declare_return_flag() + - complex_if('a', lowered_return()) + - if_execute_flag( - loop(simple_if('b', simple_if('c', [], continue_()), - lowered_return_simple()) + - break_()) + - - if_return_flag(assign_x('return_flag', const_bool(1)) + - assign_x('execute_flag', const_bool(0)), - assign_x('d', const_float(1)))) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_pulled_out_jump', - lower_main_return=True, pull_out_jumps=True) - -def test_lower_breaks_1(): - doc_string = """If a loop contains an unconditional break at the bottom of - it, it should not be lowered.""" - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - break_()) - )) - expected_sexp = input_sexp - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_breaks_1', lower_break=True) - -def test_lower_breaks_2(): - doc_string = """If a loop contains a conditional break at the bottom of it, - it should not be lowered if it is in the then-clause. - """ - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - simple_if('b', break_())) - )) - expected_sexp = input_sexp - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_breaks_2', lower_break=True) - -def test_lower_breaks_3(): - doc_string = """If a loop contains a conditional break at the bottom of it, - it should not be lowered if it is in the then-clause, even if - there are statements preceding the break. - """ - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - simple_if('b', (assign_x('c', const_float(1)) + - break_()))) - )) - expected_sexp = input_sexp - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_breaks_3', lower_break=True) - -def test_lower_breaks_4(): - doc_string = """If a loop contains a conditional break at the bottom of it, - it should not be lowered if it is in the else-clause. - """ - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - simple_if('b', [], break_())) - )) - expected_sexp = input_sexp - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_breaks_4', lower_break=True) - -def test_lower_breaks_5(): - doc_string = """If a loop contains a conditional break at the bottom of it, - it should not be lowered if it is in the else-clause, even if - there are statements preceding the break. - """ - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - simple_if('b', [], (assign_x('c', const_float(1)) + - break_()))) - )) - expected_sexp = input_sexp - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_breaks_5', lower_break=True) - -def test_lower_breaks_6(): - doc_string = """If a loop contains conditional breaks and continues, and - ends in an unconditional break, then the unconditional break - needs to be lowered, because it will no longer be at the end - of the loop after the final break is added. - """ - input_sexp = make_test_case('main', 'void', ( - loop(simple_if('a', (complex_if('b', continue_()) + - complex_if('c', break_()))) + - break_()) - )) - expected_sexp = make_test_case('main', 'void', ( - declare_break_flag() + - loop(declare_execute_flag() + - simple_if( - 'a', - (complex_if('b', lowered_continue()) + - if_execute_flag( - complex_if('c', lowered_break())))) + - if_execute_flag(lowered_break_simple()) + - final_break()) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_breaks_6', - lower_break=True, lower_continue=True) - -def test_lower_guarded_conditional_break(): - doc_string = """Normally a conditional break at the end of a loop isn't - lowered, however if the conditional break gets placed inside - an if(execute_flag) because of earlier lowering of continues, - then the break needs to be lowered. - """ - input_sexp = make_test_case('main', 'void', ( - loop(complex_if('a', continue_()) + - simple_if('b', break_())) - )) - expected_sexp = make_test_case('main', 'void', ( - declare_break_flag() + - loop(declare_execute_flag() + - complex_if('a', lowered_continue()) + - if_execute_flag(simple_if('b', lowered_break())) + - final_break()) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'lower_guarded_conditional_break', - lower_break=True, lower_continue=True) - -def test_remove_continue_at_end_of_loop(): - doc_string = """Test that a redundant continue-statement at the end of a - loop is removed. - """ - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - continue_()) - )) - expected_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1))) - )) - create_test_case(doc_string, input_sexp, expected_sexp, 'remove_continue_at_end_of_loop') - -def test_lower_return_void_at_end_of_loop(): - doc_string = """Test that a return of void at the end of a loop is properly - lowered. - """ - input_sexp = make_test_case('main', 'void', ( - loop(assign_x('a', const_float(1)) + - return_()) + - assign_x('b', const_float(2)) - )) - expected_sexp = make_test_case('main', 'void', ( - declare_execute_flag() + - declare_return_flag() + - loop(assign_x('a', const_float(1)) + - lowered_return_simple() + - break_()) + - if_return_flag(assign_x('return_flag', const_bool(1)) + - assign_x('execute_flag', const_bool(0)), - assign_x('b', const_float(2))) - )) - create_test_case(doc_string, input_sexp, input_sexp, 'return_void_at_end_of_loop_lower_nothing') - create_test_case(doc_string, input_sexp, expected_sexp, 'return_void_at_end_of_loop_lower_return', - lower_main_return=True) - create_test_case(doc_string, input_sexp, expected_sexp, 'return_void_at_end_of_loop_lower_return_and_break', - lower_main_return=True, lower_break=True) - -def test_lower_return_non_void_at_end_of_loop(): - doc_string = """Test that a non-void return at the end of a loop is - properly lowered. - """ - input_sexp = make_test_case('sub', 'float', ( - loop(assign_x('a', const_float(1)) + - return_(const_float(2))) + - assign_x('b', const_float(3)) + - return_(const_float(4)) - )) - expected_sexp = make_test_case('sub', 'float', ( - declare_execute_flag() + - declare_return_value() + - declare_return_flag() + - loop(assign_x('a', const_float(1)) + - lowered_return_simple(const_float(2)) + - break_()) + - if_return_flag(assign_x('return_value', '(var_ref return_value)') + - assign_x('return_flag', const_bool(1)) + - assign_x('execute_flag', const_bool(0)), - assign_x('b', const_float(3)) + - lowered_return(const_float(4))) + - final_return() - )) - create_test_case(doc_string, input_sexp, input_sexp, 'return_non_void_at_end_of_loop_lower_nothing') - create_test_case(doc_string, input_sexp, expected_sexp, 'return_non_void_at_end_of_loop_lower_return', - lower_sub_return=True) - create_test_case(doc_string, input_sexp, expected_sexp, 'return_non_void_at_end_of_loop_lower_return_and_break', - lower_sub_return=True, lower_break=True) - -if __name__ == '__main__': - parser = argparse.ArgumentParser() - parser.add_argument('--runner', - help='The glsl_test runner', - required=True) - parser.add_argument('--outdir', - help='Directory to put the generated files in', - required=True) - args = parser.parse_args() - runner = args.runner - outdir = args.outdir - - test_lower_returns_main() - test_lower_returns_sub() - test_lower_returns_1() - test_lower_returns_2() - test_lower_returns_3() - test_lower_returns_4() - test_lower_unified_returns() - test_lower_pulled_out_jump() - test_lower_breaks_1() - test_lower_breaks_2() - test_lower_breaks_3() - test_lower_breaks_4() - test_lower_breaks_5() - test_lower_breaks_6() - test_lower_guarded_conditional_break() - test_remove_continue_at_end_of_loop() - test_lower_return_void_at_end_of_loop() - test_lower_return_non_void_at_end_of_loop() diff --git a/src/compiler/glsl/tests/optimization-test.sh b/src/compiler/glsl/tests/optimization-test.sh index e54edc7..9117ef4 100755 --- a/src/compiler/glsl/tests/optimization-test.sh +++ b/src/compiler/glsl/tests/optimization-test.sh @@ -1,88 +1,3 @@ #!/bin/sh -if [ -z "$PYTHON2" ]; then - PYTHON2=python2 -fi - -which $PYTHON2 >/dev/null -if [ $? -ne 0 ]; then - echo "Could not find python2. Make sure that PYTHON2 variable is correctly set." - exit 1 -fi - -if [ -z "$srcdir" -o -z "$abs_builddir" ]; then - echo "" - echo "Warning: you're invoking the script manually and things may fail." - echo "Attempting to determine/set srcdir and abs_builddir variables." - echo "" - - # Variable should point to the Makefile.glsl.am - srcdir=./../../ - cd `dirname "$0"` - # Variable should point to the folder two levels above glsl_test - abs_builddir=`pwd`/../../ -fi - -compare_ir=$srcdir/glsl/tests/compare_ir.py - -total=0 -pass=0 -has_tests=0 - -# Store our location before we start diving into subdirectories. -ORIGDIR=`pwd` -echo "====== Generating tests ======" -for dir in $srcdir/glsl/tests/*/; do - if [ -e "${dir}create_test_cases.py" ]; then - echo "$dir" - # construct the correct builddir - completedir="$abs_builddir/glsl/tests/`echo ${dir} | sed 's|.*/glsl/tests/||g'`" - mkdir -p $completedir - cd $dir; - $PYTHON2 create_test_cases.py --runner $abs_builddir/glsl/glsl_test --outdir $completedir; - if [ $? -eq 0 ]; then - has_tests=1 - fi - cd .. - fi -done -cd "$ORIGDIR" - -if [ $has_tests -eq 0 ]; then - echo "Could not generate any tests." - exit 1 -fi - -if [ ! -f "$compare_ir" ]; then - echo "Could not find compare_ir. Make sure that srcdir variable is correctly set." - exit 1 -fi - -echo "====== Testing optimization passes ======" -for test in `find . -iname '*.opt_test'`; do - echo -n "Testing `echo $test| sed 's|.*/glsl/tests/||g'`..." - ./$test > "$test.out" 2>&1 - total=$((total+1)) - if $PYTHON2 $PYTHON_FLAGS $compare_ir "$test.expected" "$test.out" >/dev/null 2>&1; then - echo "PASS" - pass=$((pass+1)) - else - echo "FAIL" - $PYTHON2 $PYTHON_FLAGS $compare_ir "$test.expected" "$test.out" - fi -done - -if [ $total -eq 0 ]; then - echo "Could not find any tests." - exit 1 -fi - -echo "" -echo "$pass/$total tests returned correct results" -echo "" - -if [ $pass = $total ]; then - exit 0 -else - exit 1 -fi +$srcdir/glsl/tests/optimization_test.py --test-runner $abs_builddir/glsl/glsl_test diff --git a/src/compiler/glsl/tests/optimization_test.py b/src/compiler/glsl/tests/optimization_test.py new file mode 100755 index 0000000..577d2df --- /dev/null +++ b/src/compiler/glsl/tests/optimization_test.py @@ -0,0 +1,95 @@ +#!/usr/bin/env python2 +# encoding=utf-8 +# Copyright © 2018 Intel Corporation + +# 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. + +"""Script to generate and run glsl optimization tests.""" + +from __future__ import print_function +import argparse +import difflib +import subprocess +import sys + +import sexps +import lower_jump_cases + + +def arg_parser(): + parser = argparse.ArgumentParser() + parser.add_argument( + '--test-runner', + required=True, + help='The glsl_test binary.') + return parser.parse_args() + + +def compare(actual, expected): + """Compare the s-expresions and return a diff if they are different.""" + actual = sexps.sort_decls(sexps.parse_sexp(actual)) + expected = sexps.sort_decls(sexps.parse_sexp(expected)) + + if actual == expected: + return None + + actual = sexps.sexp_to_string(actual) + expected = sexps.sexp_to_string(expected) + + return difflib.unified_diff(expected.splitlines(), actual.splitlines()) + + +def main(): + """Generate each test and report pass or fail.""" + args = arg_parser() + + total = 0 + passes = 0 + + for gen in lower_jump_cases.CASES: + for name, opt, source, expected in gen(): + total += 1 + print('{}: '.format(name), end='') + proc = subprocess.Popen( + [args.test_runner, 'optpass', '--quiet', '--input-ir', opt], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + stdin=subprocess.PIPE) + out, err = proc.communicate(source) + if err: + print('FAIL') + print('Unexpected output on stderr: {}'.format(err), + file=sys.stdout) + continue + + result = compare(out, expected) + if result is not None: + print('FAIL') + for l in result: + print(l, file=sys.stderr) + else: + print('PASS') + passes += 1 + + print('{}/{} tests returned correct results'.format(passes, total)) + exit(0 if passes == total else 1) + + +if __name__ == '__main__': + main() -- git-series 0.9.1 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev