mirror of
				https://github.com/python/cpython.git
				synced 2025-11-03 23:21:29 +00:00 
			
		
		
		
	The commit introduced a ~2.5-3% regression in the free threading build.
This reverts commit ab61d3f430.
		
	
			
		
			
				
	
	
		
			1911 lines
		
	
	
	
		
			49 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			1911 lines
		
	
	
	
		
			49 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import contextlib
 | 
						|
import os
 | 
						|
import re
 | 
						|
import sys
 | 
						|
import tempfile
 | 
						|
import unittest
 | 
						|
 | 
						|
from io import StringIO
 | 
						|
from test import support
 | 
						|
from test import test_tools
 | 
						|
 | 
						|
 | 
						|
def skip_if_different_mount_drives():
 | 
						|
    if sys.platform != "win32":
 | 
						|
        return
 | 
						|
    ROOT = os.path.dirname(os.path.dirname(__file__))
 | 
						|
    root_drive = os.path.splitroot(ROOT)[0]
 | 
						|
    cwd_drive = os.path.splitroot(os.getcwd())[0]
 | 
						|
    if root_drive != cwd_drive:
 | 
						|
        # May raise ValueError if ROOT and the current working
 | 
						|
        # different have different mount drives (on Windows).
 | 
						|
        raise unittest.SkipTest(
 | 
						|
            f"the current working directory and the Python source code "
 | 
						|
            f"directory have different mount drives "
 | 
						|
            f"({cwd_drive} and {root_drive})"
 | 
						|
        )
 | 
						|
 | 
						|
 | 
						|
skip_if_different_mount_drives()
 | 
						|
 | 
						|
 | 
						|
test_tools.skip_if_missing("cases_generator")
 | 
						|
with test_tools.imports_under_tool("cases_generator"):
 | 
						|
    from analyzer import analyze_forest, StackItem
 | 
						|
    from cwriter import CWriter
 | 
						|
    import parser
 | 
						|
    from stack import Local, Stack
 | 
						|
    import tier1_generator
 | 
						|
    import opcode_metadata_generator
 | 
						|
    import optimizer_generator
 | 
						|
 | 
						|
 | 
						|
def handle_stderr():
 | 
						|
    if support.verbose > 1:
 | 
						|
        return contextlib.nullcontext()
 | 
						|
    else:
 | 
						|
        return support.captured_stderr()
 | 
						|
 | 
						|
 | 
						|
def parse_src(src):
 | 
						|
    p = parser.Parser(src, "test.c")
 | 
						|
    nodes = []
 | 
						|
    while node := p.definition():
 | 
						|
        nodes.append(node)
 | 
						|
    return nodes
 | 
						|
 | 
						|
 | 
						|
class TestEffects(unittest.TestCase):
 | 
						|
    def test_effect_sizes(self):
 | 
						|
        stack = Stack()
 | 
						|
        inputs = [
 | 
						|
            x := StackItem("x", None, "", "1"),
 | 
						|
            y := StackItem("y", None, "", "oparg"),
 | 
						|
            z := StackItem("z", None, "", "oparg*2"),
 | 
						|
        ]
 | 
						|
        outputs = [
 | 
						|
            StackItem("x", None, "", "1"),
 | 
						|
            StackItem("b", None, "", "oparg*4"),
 | 
						|
            StackItem("c", None, "", "1"),
 | 
						|
        ]
 | 
						|
        stack.pop(z)
 | 
						|
        stack.pop(y)
 | 
						|
        stack.pop(x)
 | 
						|
        for out in outputs:
 | 
						|
            stack.push(Local.undefined(out))
 | 
						|
        self.assertEqual(stack.base_offset.to_c(), "-1 - oparg - oparg*2")
 | 
						|
        self.assertEqual(stack.top_offset.to_c(), "1 - oparg - oparg*2 + oparg*4")
 | 
						|
 | 
						|
 | 
						|
class TestGenerateMaxStackEffect(unittest.TestCase):
 | 
						|
    def check(self, input, output):
 | 
						|
        analysis = analyze_forest(parse_src(input))
 | 
						|
        buf = StringIO()
 | 
						|
        writer = CWriter(buf, 0, False)
 | 
						|
        opcode_metadata_generator.generate_max_stack_effect_function(analysis, writer)
 | 
						|
        buf.seek(0)
 | 
						|
        generated = buf.read()
 | 
						|
        matches = re.search(r"(case OP: {[^}]+})", generated)
 | 
						|
        if matches is None:
 | 
						|
            self.fail(f"Couldn't find case statement for OP in:\n {generated}")
 | 
						|
        self.assertEqual(output.strip(), matches.group(1))
 | 
						|
 | 
						|
    def test_push_one(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (a -- b, c)) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = 1;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_cond_push(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (a -- b, c if (oparg))) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = ((oparg) ? 1 : 0);
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_ops_pass_two(self):
 | 
						|
        input = """
 | 
						|
        op(A, (-- val1)) {
 | 
						|
            val1 = SPAM();
 | 
						|
        }
 | 
						|
        op(B, (-- val2)) {
 | 
						|
            val2 = SPAM();
 | 
						|
        }
 | 
						|
        op(C, (val1, val2 --)) {
 | 
						|
        }
 | 
						|
        macro(OP) = A + B + C;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = 2;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_ops_pass_two_cond_push(self):
 | 
						|
        input = """
 | 
						|
        op(A, (-- val1, val2)) {
 | 
						|
            val1 = 0;
 | 
						|
            val2 = 1;
 | 
						|
        }
 | 
						|
        op(B, (val1, val2 -- val1, val2, val3 if (oparg))) {
 | 
						|
            val3 = SPAM();
 | 
						|
        }
 | 
						|
        macro(OP) = A + B;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = Py_MAX(2, 2 + ((oparg) ? 1 : 0));
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_pop_push_array(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (values[oparg] -- values[oparg], above)) {
 | 
						|
            SPAM(values, oparg);
 | 
						|
            above = 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = 1;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_family(self):
 | 
						|
        input = """
 | 
						|
        op(A, (-- val1, val2)) {
 | 
						|
            val1 = 0;
 | 
						|
            val2 = 1;
 | 
						|
        }
 | 
						|
        op(B, (val1, val2 -- val3)) {
 | 
						|
            val3 = 2;
 | 
						|
        }
 | 
						|
        macro(OP1) = A + B;
 | 
						|
 | 
						|
        inst(OP, (-- val)) {
 | 
						|
            val = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        family(OP, 0) = { OP1 };
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = 2;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_family_intermediate_array(self):
 | 
						|
        input = """
 | 
						|
        op(A, (-- values[oparg])) {
 | 
						|
            val1 = 0;
 | 
						|
            val2 = 1;
 | 
						|
        }
 | 
						|
        op(B, (values[oparg] -- val3)) {
 | 
						|
            val3 = 2;
 | 
						|
        }
 | 
						|
        macro(OP1) = A + B;
 | 
						|
 | 
						|
        inst(OP, (-- val)) {
 | 
						|
            val = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        family(OP, 0) = { OP1 };
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = Py_MAX(1, oparg);
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
    def test_negative_effect(self):
 | 
						|
        input = """
 | 
						|
        op(A, (val1 -- )) {
 | 
						|
        }
 | 
						|
        op(B, (val2 --)) {
 | 
						|
        }
 | 
						|
        op(C, (val3 --)) {
 | 
						|
        }
 | 
						|
 | 
						|
        macro(OP) = A + B + C;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            *effect = -1;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.check(input, output)
 | 
						|
 | 
						|
 | 
						|
class TestGeneratedCases(unittest.TestCase):
 | 
						|
    def setUp(self) -> None:
 | 
						|
        super().setUp()
 | 
						|
        self.maxDiff = None
 | 
						|
 | 
						|
        self.temp_dir = tempfile.gettempdir()
 | 
						|
        self.temp_input_filename = os.path.join(self.temp_dir, "input.txt")
 | 
						|
        self.temp_output_filename = os.path.join(self.temp_dir, "output.txt")
 | 
						|
        self.temp_metadata_filename = os.path.join(self.temp_dir, "metadata.txt")
 | 
						|
        self.temp_pymetadata_filename = os.path.join(self.temp_dir, "pymetadata.txt")
 | 
						|
        self.temp_executor_filename = os.path.join(self.temp_dir, "executor.txt")
 | 
						|
 | 
						|
    def tearDown(self) -> None:
 | 
						|
        for filename in [
 | 
						|
            self.temp_input_filename,
 | 
						|
            self.temp_output_filename,
 | 
						|
            self.temp_metadata_filename,
 | 
						|
            self.temp_pymetadata_filename,
 | 
						|
            self.temp_executor_filename,
 | 
						|
        ]:
 | 
						|
            try:
 | 
						|
                os.remove(filename)
 | 
						|
            except:
 | 
						|
                pass
 | 
						|
        super().tearDown()
 | 
						|
 | 
						|
    def run_cases_test(self, input: str, expected: str):
 | 
						|
        with open(self.temp_input_filename, "w+") as temp_input:
 | 
						|
            temp_input.write(parser.BEGIN_MARKER)
 | 
						|
            temp_input.write(input)
 | 
						|
            temp_input.write(parser.END_MARKER)
 | 
						|
            temp_input.flush()
 | 
						|
 | 
						|
        with handle_stderr():
 | 
						|
            tier1_generator.generate_tier1_from_files(
 | 
						|
                [self.temp_input_filename], self.temp_output_filename, False
 | 
						|
            )
 | 
						|
 | 
						|
        with open(self.temp_output_filename) as temp_output:
 | 
						|
            lines = temp_output.readlines()
 | 
						|
            while lines and lines[0].startswith(("// ", "#", "    #", "\n")):
 | 
						|
                lines.pop(0)
 | 
						|
            while lines and lines[-1].startswith(("#", "\n")):
 | 
						|
                lines.pop(-1)
 | 
						|
        actual = "".join(lines)
 | 
						|
        # if actual.strip() != expected.strip():
 | 
						|
        #     print("Actual:")
 | 
						|
        #     print(actual)
 | 
						|
        #     print("Expected:")
 | 
						|
        #     print(expected)
 | 
						|
        #     print("End")
 | 
						|
 | 
						|
        self.assertEqual(actual.strip(), expected.strip())
 | 
						|
 | 
						|
    def test_inst_no_args(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            SPAM();
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_inst_one_pop(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (value --)) {
 | 
						|
            SPAM(value);
 | 
						|
            DEAD(value);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef value;
 | 
						|
            value = stack_pointer[-1];
 | 
						|
            SPAM(value);
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_inst_one_push(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (-- res)) {
 | 
						|
            res = SPAM();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef res;
 | 
						|
            res = SPAM();
 | 
						|
            stack_pointer[0] = res;
 | 
						|
            stack_pointer += 1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_inst_one_push_one_pop(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (value -- res)) {
 | 
						|
            res = SPAM(value);
 | 
						|
            DEAD(value);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef value;
 | 
						|
            _PyStackRef res;
 | 
						|
            value = stack_pointer[-1];
 | 
						|
            res = SPAM(value);
 | 
						|
            stack_pointer[-1] = res;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_binary_op(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (left, right -- res)) {
 | 
						|
            res = SPAM(left, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef res;
 | 
						|
            right = stack_pointer[-1];
 | 
						|
            left = stack_pointer[-2];
 | 
						|
            res = SPAM(left, right);
 | 
						|
            stack_pointer[-2] = res;
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_overlap(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (left, right -- left, result)) {
 | 
						|
            result = SPAM(left, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef result;
 | 
						|
            right = stack_pointer[-1];
 | 
						|
            left = stack_pointer[-2];
 | 
						|
            result = SPAM(left, right);
 | 
						|
            stack_pointer[-1] = result;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_predictions(self):
 | 
						|
        input = """
 | 
						|
        inst(OP1, (arg -- res)) {
 | 
						|
            res = Py_None;
 | 
						|
        }
 | 
						|
        inst(OP3, (arg -- res)) {
 | 
						|
            DEOPT_IF(xxx);
 | 
						|
            res = Py_None;
 | 
						|
        }
 | 
						|
        family(OP1, INLINE_CACHE_ENTRIES_OP1) = { OP3 };
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP1) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            PREDICTED_OP1:;
 | 
						|
            _PyStackRef res;
 | 
						|
            res = Py_None;
 | 
						|
            stack_pointer[-1] = res;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP3) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP3);
 | 
						|
            static_assert(INLINE_CACHE_ENTRIES_OP1 == 0, "incorrect cache size");
 | 
						|
            _PyStackRef res;
 | 
						|
            DEOPT_IF(xxx, OP1);
 | 
						|
            res = Py_None;
 | 
						|
            stack_pointer[-1] = res;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_sync_sp(self):
 | 
						|
        input = """
 | 
						|
        inst(A, (arg -- res)) {
 | 
						|
            SYNC_SP();
 | 
						|
            escaping_call();
 | 
						|
            res = Py_None;
 | 
						|
        }
 | 
						|
        inst(B, (arg -- res)) {
 | 
						|
            res = Py_None;
 | 
						|
            SYNC_SP();
 | 
						|
            escaping_call();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(A) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(A);
 | 
						|
            _PyStackRef res;
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            escaping_call();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            res = Py_None;
 | 
						|
            stack_pointer[0] = res;
 | 
						|
            stack_pointer += 1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(B) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(B);
 | 
						|
            _PyStackRef res;
 | 
						|
            res = Py_None;
 | 
						|
            stack_pointer[-1] = res;
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            escaping_call();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
 | 
						|
    def test_pep7_condition(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (arg1 -- out)) {
 | 
						|
            if (arg1)
 | 
						|
                out = 0;
 | 
						|
            else {
 | 
						|
                out = 1;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = ""
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_error_if_plain(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            ERROR_IF(cond, label);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            if (cond) goto label;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_error_if_plain_with_comment(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            ERROR_IF(cond, label);  // Comment is ok
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            if (cond) goto label;
 | 
						|
            // Comment is ok
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_error_if_pop(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (left, right -- res)) {
 | 
						|
            SPAM(left, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
            ERROR_IF(cond, label);
 | 
						|
            res = 0;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef res;
 | 
						|
            right = stack_pointer[-1];
 | 
						|
            left = stack_pointer[-2];
 | 
						|
            SPAM(left, right);
 | 
						|
            if (cond) goto pop_2_label;
 | 
						|
            res = 0;
 | 
						|
            stack_pointer[-2] = res;
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_error_if_pop_with_result(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (left, right -- res)) {
 | 
						|
            res = SPAM(left, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
            ERROR_IF(cond, label);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef res;
 | 
						|
            right = stack_pointer[-1];
 | 
						|
            left = stack_pointer[-2];
 | 
						|
            res = SPAM(left, right);
 | 
						|
            if (cond) goto pop_2_label;
 | 
						|
            stack_pointer[-2] = res;
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_cache_effect(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (counter/1, extra/2, value --)) {
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            _Py_CODEUNIT* const this_instr = frame->instr_ptr = next_instr;
 | 
						|
            (void)this_instr;
 | 
						|
            next_instr += 4;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            uint16_t counter = read_u16(&this_instr[1].cache);
 | 
						|
            (void)counter;
 | 
						|
            uint32_t extra = read_u32(&this_instr[2].cache);
 | 
						|
            (void)extra;
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_suppress_dispatch(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            goto somewhere;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            goto somewhere;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_macro_instruction(self):
 | 
						|
        input = """
 | 
						|
        inst(OP1, (counter/1, left, right -- left, right)) {
 | 
						|
            op1(left, right);
 | 
						|
        }
 | 
						|
        op(OP2, (extra/2, arg2, left, right -- res)) {
 | 
						|
            res = op2(arg2, left, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
        macro(OP) = OP1 + cache/2 + OP2;
 | 
						|
        inst(OP3, (unused/5, arg2, left, right -- res)) {
 | 
						|
            res = op3(arg2, left, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
        family(OP, INLINE_CACHE_ENTRIES_OP) = { OP3 };
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 6;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            PREDICTED_OP:;
 | 
						|
            _Py_CODEUNIT* const this_instr = next_instr - 6;
 | 
						|
            (void)this_instr;
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef arg2;
 | 
						|
            _PyStackRef res;
 | 
						|
            // _OP1
 | 
						|
            {
 | 
						|
                right = stack_pointer[-1];
 | 
						|
                left = stack_pointer[-2];
 | 
						|
                uint16_t counter = read_u16(&this_instr[1].cache);
 | 
						|
                (void)counter;
 | 
						|
                _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
                op1(left, right);
 | 
						|
                stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            }
 | 
						|
            /* Skip 2 cache entries */
 | 
						|
            // OP2
 | 
						|
            {
 | 
						|
                arg2 = stack_pointer[-3];
 | 
						|
                uint32_t extra = read_u32(&this_instr[4].cache);
 | 
						|
                (void)extra;
 | 
						|
                _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
                res = op2(arg2, left, right);
 | 
						|
                stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            }
 | 
						|
            stack_pointer[-3] = res;
 | 
						|
            stack_pointer += -2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP1) {
 | 
						|
            _Py_CODEUNIT* const this_instr = frame->instr_ptr = next_instr;
 | 
						|
            (void)this_instr;
 | 
						|
            next_instr += 2;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            right = stack_pointer[-1];
 | 
						|
            left = stack_pointer[-2];
 | 
						|
            uint16_t counter = read_u16(&this_instr[1].cache);
 | 
						|
            (void)counter;
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            op1(left, right);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP3) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 6;
 | 
						|
            INSTRUCTION_STATS(OP3);
 | 
						|
            static_assert(INLINE_CACHE_ENTRIES_OP == 5, "incorrect cache size");
 | 
						|
            _PyStackRef arg2;
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef res;
 | 
						|
            /* Skip 5 cache entries */
 | 
						|
            right = stack_pointer[-1];
 | 
						|
            left = stack_pointer[-2];
 | 
						|
            arg2 = stack_pointer[-3];
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            res = op3(arg2, left, right);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            stack_pointer[-3] = res;
 | 
						|
            stack_pointer += -2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_unused_caches(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (unused/1, unused/2 --)) {
 | 
						|
            body;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 4;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            /* Skip 1 cache entry */
 | 
						|
            /* Skip 2 cache entries */
 | 
						|
            body;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pseudo_instruction_no_flags(self):
 | 
						|
        input = """
 | 
						|
        pseudo(OP, (in -- out1, out2)) = {
 | 
						|
            OP1,
 | 
						|
        };
 | 
						|
 | 
						|
        inst(OP1, (--)) {
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP1) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pseudo_instruction_with_flags(self):
 | 
						|
        input = """
 | 
						|
        pseudo(OP, (in1, in2 --), (HAS_ARG, HAS_JUMP)) = {
 | 
						|
            OP1,
 | 
						|
        };
 | 
						|
 | 
						|
        inst(OP1, (--)) {
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP1) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pseudo_instruction_as_sequence(self):
 | 
						|
        input = """
 | 
						|
        pseudo(OP, (in -- out1, out2)) = [
 | 
						|
            OP1, OP2
 | 
						|
        ];
 | 
						|
 | 
						|
        inst(OP1, (--)) {
 | 
						|
        }
 | 
						|
 | 
						|
        inst(OP2, (--)) {
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP1) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP2) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP2);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
 | 
						|
    def test_array_input(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (below, values[oparg*2], above --)) {
 | 
						|
            SPAM(values, oparg);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef *values;
 | 
						|
            values = &stack_pointer[-1 - oparg*2];
 | 
						|
            SPAM(values, oparg);
 | 
						|
            stack_pointer += -2 - oparg*2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_array_output(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (unused, unused -- below, values[oparg*3], above)) {
 | 
						|
            SPAM(values, oparg);
 | 
						|
            below = 0;
 | 
						|
            above = 0;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef below;
 | 
						|
            _PyStackRef *values;
 | 
						|
            _PyStackRef above;
 | 
						|
            values = &stack_pointer[-1];
 | 
						|
            SPAM(values, oparg);
 | 
						|
            below = 0;
 | 
						|
            above = 0;
 | 
						|
            stack_pointer[-2] = below;
 | 
						|
            stack_pointer[-1 + oparg*3] = above;
 | 
						|
            stack_pointer += oparg*3;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_array_input_output(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (values[oparg] -- values[oparg], above)) {
 | 
						|
            SPAM(values, oparg);
 | 
						|
            above = 0;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef *values;
 | 
						|
            _PyStackRef above;
 | 
						|
            values = &stack_pointer[-oparg];
 | 
						|
            SPAM(values, oparg);
 | 
						|
            above = 0;
 | 
						|
            stack_pointer[0] = above;
 | 
						|
            stack_pointer += 1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_array_error_if(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (extra, values[oparg] --)) {
 | 
						|
            ERROR_IF(oparg == 0, somewhere);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            if (oparg == 0) {
 | 
						|
                stack_pointer += -1 - oparg;
 | 
						|
                assert(WITHIN_STACK_BOUNDS());
 | 
						|
                goto somewhere;
 | 
						|
            }
 | 
						|
            stack_pointer += -1 - oparg;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_cond_effect(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (aa, input if ((oparg & 1) == 1), cc -- xx, output if (oparg & 2), zz)) {
 | 
						|
            output = SPAM(oparg, aa, cc, input);
 | 
						|
            INPUTS_DEAD();
 | 
						|
            xx = 0;
 | 
						|
            zz = 0;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef aa;
 | 
						|
            _PyStackRef input = PyStackRef_NULL;
 | 
						|
            _PyStackRef cc;
 | 
						|
            _PyStackRef xx;
 | 
						|
            _PyStackRef output = PyStackRef_NULL;
 | 
						|
            _PyStackRef zz;
 | 
						|
            cc = stack_pointer[-1];
 | 
						|
            if ((oparg & 1) == 1) { input = stack_pointer[-1 - (((oparg & 1) == 1) ? 1 : 0)]; }
 | 
						|
            aa = stack_pointer[-2 - (((oparg & 1) == 1) ? 1 : 0)];
 | 
						|
            output = SPAM(oparg, aa, cc, input);
 | 
						|
            xx = 0;
 | 
						|
            zz = 0;
 | 
						|
            stack_pointer[-2 - (((oparg & 1) == 1) ? 1 : 0)] = xx;
 | 
						|
            if (oparg & 2) stack_pointer[-1 - (((oparg & 1) == 1) ? 1 : 0)] = output;
 | 
						|
            stack_pointer[-1 - (((oparg & 1) == 1) ? 1 : 0) + ((oparg & 2) ? 1 : 0)] = zz;
 | 
						|
            stack_pointer += -(((oparg & 1) == 1) ? 1 : 0) + ((oparg & 2) ? 1 : 0);
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_macro_cond_effect(self):
 | 
						|
        input = """
 | 
						|
        op(A, (left, middle, right --)) {
 | 
						|
            USE(left, middle, right);
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
        op(B, (-- deep, extra if (oparg), res)) {
 | 
						|
            deep = -1;
 | 
						|
            res = 0;
 | 
						|
            extra = 1;
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
        macro(M) = A + B;
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(M) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(M);
 | 
						|
            _PyStackRef left;
 | 
						|
            _PyStackRef middle;
 | 
						|
            _PyStackRef right;
 | 
						|
            _PyStackRef deep;
 | 
						|
            _PyStackRef extra = PyStackRef_NULL;
 | 
						|
            _PyStackRef res;
 | 
						|
            // A
 | 
						|
            {
 | 
						|
                right = stack_pointer[-1];
 | 
						|
                middle = stack_pointer[-2];
 | 
						|
                left = stack_pointer[-3];
 | 
						|
                USE(left, middle, right);
 | 
						|
            }
 | 
						|
            // B
 | 
						|
            {
 | 
						|
                deep = -1;
 | 
						|
                res = 0;
 | 
						|
                extra = 1;
 | 
						|
            }
 | 
						|
            stack_pointer[-3] = deep;
 | 
						|
            if (oparg) stack_pointer[-2] = extra;
 | 
						|
            stack_pointer[-2 + ((oparg) ? 1 : 0)] = res;
 | 
						|
            stack_pointer += -1 + ((oparg) ? 1 : 0);
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_macro_push_push(self):
 | 
						|
        input = """
 | 
						|
        op(A, (-- val1)) {
 | 
						|
            val1 = SPAM();
 | 
						|
        }
 | 
						|
        op(B, (-- val2)) {
 | 
						|
            val2 = SPAM();
 | 
						|
        }
 | 
						|
        macro(M) = A + B;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(M) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(M);
 | 
						|
            _PyStackRef val1;
 | 
						|
            _PyStackRef val2;
 | 
						|
            // A
 | 
						|
            {
 | 
						|
                val1 = SPAM();
 | 
						|
            }
 | 
						|
            // B
 | 
						|
            {
 | 
						|
                val2 = SPAM();
 | 
						|
            }
 | 
						|
            stack_pointer[0] = val1;
 | 
						|
            stack_pointer[1] = val2;
 | 
						|
            stack_pointer += 2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_override_inst(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            spam;
 | 
						|
        }
 | 
						|
        override inst(OP, (--)) {
 | 
						|
            ham;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            ham;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_override_op(self):
 | 
						|
        input = """
 | 
						|
        op(OP, (--)) {
 | 
						|
            spam;
 | 
						|
        }
 | 
						|
        macro(M) = OP;
 | 
						|
        override op(OP, (--)) {
 | 
						|
            ham;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(M) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(M);
 | 
						|
            ham;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_annotated_inst(self):
 | 
						|
        input = """
 | 
						|
        pure inst(OP, (--)) {
 | 
						|
            ham;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            ham;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_annotated_op(self):
 | 
						|
        input = """
 | 
						|
        pure op(OP, (--)) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
        macro(M) = OP;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(M) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(M);
 | 
						|
            SPAM();
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
        input = """
 | 
						|
        pure register specializing op(OP, (--)) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
        macro(M) = OP;
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_deopt_and_exit(self):
 | 
						|
        input = """
 | 
						|
        pure op(OP, (arg1 -- out)) {
 | 
						|
            DEOPT_IF(1);
 | 
						|
            EXIT_IF(1);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = ""
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_array_of_one(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (arg[1] -- out[1])) {
 | 
						|
            out[0] = arg[0];
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef *arg;
 | 
						|
            _PyStackRef *out;
 | 
						|
            arg = &stack_pointer[-1];
 | 
						|
            out = &stack_pointer[-1];
 | 
						|
            out[0] = arg[0];
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pointer_to_stackref(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (arg: _PyStackRef * -- out)) {
 | 
						|
            out = *arg;
 | 
						|
            DEAD(arg);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef *arg;
 | 
						|
            _PyStackRef out;
 | 
						|
            arg = (_PyStackRef *)stack_pointer[-1].bits;
 | 
						|
            out = *arg;
 | 
						|
            stack_pointer[-1] = out;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_unused_cached_value(self):
 | 
						|
        input = """
 | 
						|
        op(FIRST, (arg1 -- out)) {
 | 
						|
            out = arg1;
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (unused -- unused)) {
 | 
						|
        }
 | 
						|
 | 
						|
        macro(BOTH) = FIRST + SECOND;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_unused_named_values(self):
 | 
						|
        input = """
 | 
						|
        op(OP, (named -- named)) {
 | 
						|
        }
 | 
						|
 | 
						|
        macro(INST) = OP;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(INST) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(INST);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_used_unused_used(self):
 | 
						|
        input = """
 | 
						|
        op(FIRST, (w -- w)) {
 | 
						|
            USE(w);
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (x -- x)) {
 | 
						|
        }
 | 
						|
 | 
						|
        op(THIRD, (y -- y)) {
 | 
						|
            USE(y);
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND + THIRD;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(TEST);
 | 
						|
            _PyStackRef w;
 | 
						|
            _PyStackRef y;
 | 
						|
            // FIRST
 | 
						|
            {
 | 
						|
                w = stack_pointer[-1];
 | 
						|
                USE(w);
 | 
						|
            }
 | 
						|
            // SECOND
 | 
						|
            {
 | 
						|
            }
 | 
						|
            // THIRD
 | 
						|
            {
 | 
						|
                y = w;
 | 
						|
                USE(y);
 | 
						|
            }
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_unused_used_used(self):
 | 
						|
        input = """
 | 
						|
        op(FIRST, (w -- w)) {
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (x -- x)) {
 | 
						|
            USE(x);
 | 
						|
        }
 | 
						|
 | 
						|
        op(THIRD, (y -- y)) {
 | 
						|
            USE(y);
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND + THIRD;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(TEST);
 | 
						|
            _PyStackRef x;
 | 
						|
            _PyStackRef y;
 | 
						|
            // FIRST
 | 
						|
            {
 | 
						|
            }
 | 
						|
            // SECOND
 | 
						|
            {
 | 
						|
                x = stack_pointer[-1];
 | 
						|
                USE(x);
 | 
						|
            }
 | 
						|
            // THIRD
 | 
						|
            {
 | 
						|
                y = x;
 | 
						|
                USE(y);
 | 
						|
            }
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_flush(self):
 | 
						|
        input = """
 | 
						|
        op(FIRST, ( -- a, b)) {
 | 
						|
            a = 0;
 | 
						|
            b = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (a, b -- )) {
 | 
						|
            USE(a, b);
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + flush + SECOND;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(TEST);
 | 
						|
            _PyStackRef a;
 | 
						|
            _PyStackRef b;
 | 
						|
            // FIRST
 | 
						|
            {
 | 
						|
                a = 0;
 | 
						|
                b = 1;
 | 
						|
            }
 | 
						|
            // flush
 | 
						|
            stack_pointer[0] = a;
 | 
						|
            stack_pointer[1] = b;
 | 
						|
            stack_pointer += 2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            // SECOND
 | 
						|
            {
 | 
						|
                USE(a, b);
 | 
						|
            }
 | 
						|
            stack_pointer += -2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pop_on_error_peeks(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        op(FIRST, (x, y -- a, b)) {
 | 
						|
            a = x;
 | 
						|
            DEAD(x);
 | 
						|
            b = y;
 | 
						|
            DEAD(y);
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (a, b -- a, b)) {
 | 
						|
        }
 | 
						|
 | 
						|
        op(THIRD, (j, k --)) {
 | 
						|
            INPUTS_DEAD(); // Mark j and k as used
 | 
						|
            ERROR_IF(cond, error);
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND + THIRD;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(TEST);
 | 
						|
            _PyStackRef x;
 | 
						|
            _PyStackRef y;
 | 
						|
            _PyStackRef a;
 | 
						|
            _PyStackRef b;
 | 
						|
            // FIRST
 | 
						|
            {
 | 
						|
                y = stack_pointer[-1];
 | 
						|
                x = stack_pointer[-2];
 | 
						|
                a = x;
 | 
						|
                b = y;
 | 
						|
            }
 | 
						|
            // SECOND
 | 
						|
            {
 | 
						|
            }
 | 
						|
            // THIRD
 | 
						|
            {
 | 
						|
                // Mark j and k as used
 | 
						|
                if (cond) goto pop_2_error;
 | 
						|
            }
 | 
						|
            stack_pointer += -2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_push_then_error(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        op(FIRST, ( -- a)) {
 | 
						|
            a = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (a -- a, b)) {
 | 
						|
            b = 1;
 | 
						|
            ERROR_IF(cond, error);
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND;
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(TEST);
 | 
						|
            _PyStackRef a;
 | 
						|
            _PyStackRef b;
 | 
						|
            // FIRST
 | 
						|
            {
 | 
						|
                a = 1;
 | 
						|
            }
 | 
						|
            // SECOND
 | 
						|
            {
 | 
						|
                b = 1;
 | 
						|
                if (cond) {
 | 
						|
                    stack_pointer[0] = a;
 | 
						|
                    stack_pointer[1] = b;
 | 
						|
                    stack_pointer += 2;
 | 
						|
                    assert(WITHIN_STACK_BOUNDS());
 | 
						|
                    goto error;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            stack_pointer[0] = a;
 | 
						|
            stack_pointer[1] = b;
 | 
						|
            stack_pointer += 2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_error_if_true(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(OP1, ( --)) {
 | 
						|
            ERROR_IF(true, here);
 | 
						|
        }
 | 
						|
        inst(OP2, ( --)) {
 | 
						|
            ERROR_IF(1, there);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP1) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            goto here;
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP2) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP2);
 | 
						|
            goto there;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_scalar_array_inconsistency(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        op(FIRST, ( -- a)) {
 | 
						|
            a = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (a[1] -- b)) {
 | 
						|
            b = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND;
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_array_size_inconsistency(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        op(FIRST, ( -- a[2])) {
 | 
						|
            a[0] = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        op(SECOND, (a[1] -- b)) {
 | 
						|
            b = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND;
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_stack_save_reload(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(BALANCED, ( -- )) {
 | 
						|
            SAVE_STACK();
 | 
						|
            RELOAD_STACK();
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(BALANCED) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(BALANCED);
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_stack_reload_only(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(BALANCED, ( -- )) {
 | 
						|
            RELOAD_STACK();
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(BALANCED) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(BALANCED);
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_stack_save_only(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(BALANCED, ( -- )) {
 | 
						|
            SAVE_STACK();
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(BALANCED) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(BALANCED);
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_instruction_size_macro(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            frame->return_offset = INSTRUCTION_SIZE;
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            frame->return_offset = 1 ;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
        # Two instructions of different sizes referencing the same
 | 
						|
        # uop containing the `INSTRUCTION_SIZE` macro is not allowed.
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            frame->return_offset = INSTRUCTION_SIZE;
 | 
						|
        }
 | 
						|
        macro(OP2) = unused/1 + OP;
 | 
						|
        """
 | 
						|
 | 
						|
        output = ""  # No output needed as this should raise an error.
 | 
						|
        with self.assertRaisesRegex(SyntaxError, "All instructions containing a uop"):
 | 
						|
            self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_escaping_call_next_to_cmacro(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            #ifdef Py_GIL_DISABLED
 | 
						|
            escaping_call();
 | 
						|
            #else
 | 
						|
            another_escaping_call();
 | 
						|
            #endif
 | 
						|
            yet_another_escaping_call();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            #ifdef Py_GIL_DISABLED
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            escaping_call();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            #else
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            another_escaping_call();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            #endif
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            yet_another_escaping_call();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pystackref_frompyobject_new_next_to_cmacro(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (-- out1, out2)) {
 | 
						|
            PyObject *obj = SPAM();
 | 
						|
            #ifdef Py_GIL_DISABLED
 | 
						|
            out1 = PyStackRef_FromPyObjectNew(obj);
 | 
						|
            #else
 | 
						|
            out1 = PyStackRef_FromPyObjectNew(obj);
 | 
						|
            #endif
 | 
						|
            out2 = PyStackRef_FromPyObjectNew(obj);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef out1;
 | 
						|
            _PyStackRef out2;
 | 
						|
            PyObject *obj = SPAM();
 | 
						|
            #ifdef Py_GIL_DISABLED
 | 
						|
            out1 = PyStackRef_FromPyObjectNew(obj);
 | 
						|
            #else
 | 
						|
            out1 = PyStackRef_FromPyObjectNew(obj);
 | 
						|
            #endif
 | 
						|
            out2 = PyStackRef_FromPyObjectNew(obj);
 | 
						|
            stack_pointer[0] = out1;
 | 
						|
            stack_pointer[1] = out2;
 | 
						|
            stack_pointer += 2;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pop_input(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (a, b --)) {
 | 
						|
            POP_INPUT(b);
 | 
						|
            HAM(a);
 | 
						|
            INPUTS_DEAD();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef a;
 | 
						|
            _PyStackRef b;
 | 
						|
            b = stack_pointer[-1];
 | 
						|
            a = stack_pointer[-2];
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            HAM(a);
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_pop_input_with_empty_stack(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            POP_INPUT(foo);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, "")
 | 
						|
 | 
						|
    def test_pop_input_with_non_tos(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (a, b --)) {
 | 
						|
            POP_INPUT(a);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, "")
 | 
						|
 | 
						|
    def test_no_escaping_calls_in_branching_macros(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(OP, ( -- )) {
 | 
						|
            DEOPT_IF(escaping_call());
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, "")
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(OP, ( -- )) {
 | 
						|
            EXIT_IF(escaping_call());
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, "")
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(OP, ( -- )) {
 | 
						|
            ERROR_IF(escaping_call(), error);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, "")
 | 
						|
 | 
						|
    def test_kill_in_wrong_order(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (a, b -- c)) {
 | 
						|
            c = b;
 | 
						|
            PyStackRef_CLOSE(a);
 | 
						|
            PyStackRef_CLOSE(b);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaises(SyntaxError):
 | 
						|
            self.run_cases_test(input, "")
 | 
						|
 | 
						|
 | 
						|
class TestGeneratedAbstractCases(unittest.TestCase):
 | 
						|
    def setUp(self) -> None:
 | 
						|
        super().setUp()
 | 
						|
        self.maxDiff = None
 | 
						|
 | 
						|
        self.temp_dir = tempfile.gettempdir()
 | 
						|
        self.temp_input_filename = os.path.join(self.temp_dir, "input.txt")
 | 
						|
        self.temp_input2_filename = os.path.join(self.temp_dir, "input2.txt")
 | 
						|
        self.temp_output_filename = os.path.join(self.temp_dir, "output.txt")
 | 
						|
 | 
						|
    def tearDown(self) -> None:
 | 
						|
        for filename in [
 | 
						|
            self.temp_input_filename,
 | 
						|
            self.temp_input2_filename,
 | 
						|
            self.temp_output_filename,
 | 
						|
        ]:
 | 
						|
            try:
 | 
						|
                os.remove(filename)
 | 
						|
            except:
 | 
						|
                pass
 | 
						|
        super().tearDown()
 | 
						|
 | 
						|
    def run_cases_test(self, input: str, input2: str, expected: str):
 | 
						|
        with open(self.temp_input_filename, "w+") as temp_input:
 | 
						|
            temp_input.write(parser.BEGIN_MARKER)
 | 
						|
            temp_input.write(input)
 | 
						|
            temp_input.write(parser.END_MARKER)
 | 
						|
            temp_input.flush()
 | 
						|
 | 
						|
        with open(self.temp_input2_filename, "w+") as temp_input:
 | 
						|
            temp_input.write(parser.BEGIN_MARKER)
 | 
						|
            temp_input.write(input2)
 | 
						|
            temp_input.write(parser.END_MARKER)
 | 
						|
            temp_input.flush()
 | 
						|
 | 
						|
        with handle_stderr():
 | 
						|
            optimizer_generator.generate_tier2_abstract_from_files(
 | 
						|
                [self.temp_input_filename, self.temp_input2_filename],
 | 
						|
                self.temp_output_filename
 | 
						|
            )
 | 
						|
 | 
						|
        with open(self.temp_output_filename) as temp_output:
 | 
						|
            lines = temp_output.readlines()
 | 
						|
            while lines and lines[0].startswith(("// ", "#", "    #", "\n")):
 | 
						|
                lines.pop(0)
 | 
						|
            while lines and lines[-1].startswith(("#", "\n")):
 | 
						|
                lines.pop(-1)
 | 
						|
        actual = "".join(lines)
 | 
						|
        self.assertEqual(actual.strip(), expected.strip())
 | 
						|
 | 
						|
    def test_overridden_abstract(self):
 | 
						|
        input = """
 | 
						|
        pure op(OP, (--)) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        input2 = """
 | 
						|
        pure op(OP, (--)) {
 | 
						|
            eggs();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            eggs();
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, input2, output)
 | 
						|
 | 
						|
    def test_overridden_abstract_args(self):
 | 
						|
        input = """
 | 
						|
        pure op(OP, (arg1 -- out)) {
 | 
						|
            out = SPAM(arg1);
 | 
						|
        }
 | 
						|
        op(OP2, (arg1 -- out)) {
 | 
						|
            out = EGGS(arg1);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        input2 = """
 | 
						|
        op(OP, (arg1 -- out)) {
 | 
						|
            out = EGGS(arg1);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            JitOptSymbol *arg1;
 | 
						|
            JitOptSymbol *out;
 | 
						|
            arg1 = stack_pointer[-1];
 | 
						|
            out = EGGS(arg1);
 | 
						|
            stack_pointer[-1] = out;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
        case OP2: {
 | 
						|
            JitOptSymbol *out;
 | 
						|
            out = sym_new_not_null(ctx);
 | 
						|
            stack_pointer[-1] = out;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
       """
 | 
						|
        self.run_cases_test(input, input2, output)
 | 
						|
 | 
						|
    def test_no_overridden_case(self):
 | 
						|
        input = """
 | 
						|
        pure op(OP, (arg1 -- out)) {
 | 
						|
            out = SPAM(arg1);
 | 
						|
        }
 | 
						|
 | 
						|
        pure op(OP2, (arg1 -- out)) {
 | 
						|
        }
 | 
						|
 | 
						|
        """
 | 
						|
        input2 = """
 | 
						|
        pure op(OP2, (arg1 -- out)) {
 | 
						|
            out = NULL;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        case OP: {
 | 
						|
            JitOptSymbol *out;
 | 
						|
            out = sym_new_not_null(ctx);
 | 
						|
            stack_pointer[-1] = out;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
        case OP2: {
 | 
						|
            JitOptSymbol *out;
 | 
						|
            out = NULL;
 | 
						|
            stack_pointer[-1] = out;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, input2, output)
 | 
						|
 | 
						|
    def test_missing_override_failure(self):
 | 
						|
        input = """
 | 
						|
        pure op(OP, (arg1 -- out)) {
 | 
						|
            SPAM();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        input2 = """
 | 
						|
        pure op(OTHER, (arg1 -- out)) {
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        """
 | 
						|
        with self.assertRaisesRegex(AssertionError, "All abstract uops"):
 | 
						|
            self.run_cases_test(input, input2, output)
 | 
						|
 | 
						|
 | 
						|
if __name__ == "__main__":
 | 
						|
    unittest.main()
 |