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			2074 lines
		
	
	
	
		
			54 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			2074 lines
		
	
	
	
		
			54 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import contextlib
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import os
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import re
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import sys
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import tempfile
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import unittest
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from io import StringIO
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from test import support
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from test import test_tools
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def skip_if_different_mount_drives():
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    if sys.platform != "win32":
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        return
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    ROOT = os.path.dirname(os.path.dirname(__file__))
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    root_drive = os.path.splitroot(ROOT)[0]
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    cwd_drive = os.path.splitroot(os.getcwd())[0]
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    if root_drive != cwd_drive:
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        # May raise ValueError if ROOT and the current working
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        # different have different mount drives (on Windows).
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        raise unittest.SkipTest(
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            f"the current working directory and the Python source code "
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            f"directory have different mount drives "
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            f"({cwd_drive} and {root_drive})"
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        )
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skip_if_different_mount_drives()
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test_tools.skip_if_missing("cases_generator")
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with test_tools.imports_under_tool("cases_generator"):
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    from analyzer import analyze_forest, StackItem
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    from cwriter import CWriter
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    import parser
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    from stack import Local, Stack
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    import tier1_generator
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    import opcode_metadata_generator
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    import optimizer_generator
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def handle_stderr():
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    if support.verbose > 1:
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        return contextlib.nullcontext()
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    else:
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        return support.captured_stderr()
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def parse_src(src):
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    p = parser.Parser(src, "test.c")
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    nodes = []
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    while node := p.definition():
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        nodes.append(node)
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    return nodes
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class TestEffects(unittest.TestCase):
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    def test_effect_sizes(self):
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        stack = Stack()
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        inputs = [
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            x := StackItem("x", None, "1"),
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            y := StackItem("y", None, "oparg"),
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            z := StackItem("z", None, "oparg*2"),
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        ]
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        outputs = [
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            StackItem("x", None, "1"),
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            StackItem("b", None, "oparg*4"),
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            StackItem("c", None, "1"),
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        ]
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        null = CWriter.null()
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        stack.pop(z, null)
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        stack.pop(y, null)
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        stack.pop(x, null)
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        for out in outputs:
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            stack.push(Local.undefined(out))
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        self.assertEqual(stack.base_offset.to_c(), "-1 - oparg - oparg*2")
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        self.assertEqual(stack.physical_sp.to_c(), "0")
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        self.assertEqual(stack.logical_sp.to_c(), "1 - oparg - oparg*2 + oparg*4")
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class TestGeneratedCases(unittest.TestCase):
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    def setUp(self) -> None:
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        super().setUp()
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        self.maxDiff = None
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        self.temp_dir = tempfile.gettempdir()
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        self.temp_input_filename = os.path.join(self.temp_dir, "input.txt")
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        self.temp_output_filename = os.path.join(self.temp_dir, "output.txt")
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        self.temp_metadata_filename = os.path.join(self.temp_dir, "metadata.txt")
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        self.temp_pymetadata_filename = os.path.join(self.temp_dir, "pymetadata.txt")
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        self.temp_executor_filename = os.path.join(self.temp_dir, "executor.txt")
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    def tearDown(self) -> None:
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        for filename in [
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            self.temp_input_filename,
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            self.temp_output_filename,
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            self.temp_metadata_filename,
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            self.temp_pymetadata_filename,
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            self.temp_executor_filename,
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        ]:
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            try:
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                os.remove(filename)
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            except:
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                pass
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        super().tearDown()
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    def run_cases_test(self, input: str, expected: str):
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        with open(self.temp_input_filename, "w+") as temp_input:
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            temp_input.write(parser.BEGIN_MARKER)
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            temp_input.write(input)
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            temp_input.write(parser.END_MARKER)
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            temp_input.flush()
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        with handle_stderr():
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            tier1_generator.generate_tier1_from_files(
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                [self.temp_input_filename], self.temp_output_filename, False
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            )
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        with open(self.temp_output_filename) as temp_output:
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            lines = temp_output.read()
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            _, rest = lines.split(tier1_generator.INSTRUCTION_START_MARKER)
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            instructions, labels_with_prelude_and_postlude = rest.split(tier1_generator.INSTRUCTION_END_MARKER)
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            _, labels_with_postlude = labels_with_prelude_and_postlude.split(tier1_generator.LABEL_START_MARKER)
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            labels, _ = labels_with_postlude.split(tier1_generator.LABEL_END_MARKER)
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            actual = instructions.strip() + "\n\n        " + labels.strip()
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        self.assertEqual(actual.strip(), expected.strip())
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    def test_inst_no_args(self):
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        input = """
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        inst(OP, (--)) {
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            SPAM();
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        }
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    """
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        output = """
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        TARGET(OP) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP);
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            SPAM();
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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    def test_inst_one_pop(self):
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        input = """
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        inst(OP, (value --)) {
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            SPAM(value);
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            DEAD(value);
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        }
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    """
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        output = """
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        TARGET(OP) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP);
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            _PyStackRef value;
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            value = stack_pointer[-1];
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            SPAM(value);
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            stack_pointer += -1;
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            assert(WITHIN_STACK_BOUNDS());
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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    def test_inst_one_push(self):
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        input = """
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        inst(OP, (-- res)) {
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            res = SPAM();
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        }
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    """
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        output = """
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        TARGET(OP) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP);
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            _PyStackRef res;
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            res = SPAM();
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            stack_pointer[0] = res;
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            stack_pointer += 1;
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            assert(WITHIN_STACK_BOUNDS());
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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    def test_inst_one_push_one_pop(self):
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        input = """
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        inst(OP, (value -- res)) {
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            res = SPAM(value);
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            DEAD(value);
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        }
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    """
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        output = """
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        TARGET(OP) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP);
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            _PyStackRef value;
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            _PyStackRef res;
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            value = stack_pointer[-1];
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            res = SPAM(value);
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            stack_pointer[-1] = res;
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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    def test_binary_op(self):
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        input = """
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        inst(OP, (left, right -- res)) {
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            res = SPAM(left, right);
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            INPUTS_DEAD();
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        }
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    """
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        output = """
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        TARGET(OP) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP);
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            _PyStackRef left;
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            _PyStackRef right;
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            _PyStackRef res;
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            right = stack_pointer[-1];
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            left = stack_pointer[-2];
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            res = SPAM(left, right);
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            stack_pointer[-2] = res;
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            stack_pointer += -1;
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            assert(WITHIN_STACK_BOUNDS());
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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    def test_overlap(self):
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        input = """
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        inst(OP, (left, right -- left, result)) {
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            result = SPAM(left, right);
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            INPUTS_DEAD();
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        }
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    """
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        output = """
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        TARGET(OP) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP);
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            _PyStackRef left;
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            _PyStackRef right;
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            _PyStackRef result;
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            right = stack_pointer[-1];
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            left = stack_pointer[-2];
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            result = SPAM(left, right);
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            stack_pointer[-1] = result;
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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 | 
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    def test_predictions(self):
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        input = """
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        inst(OP1, (arg -- res)) {
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            DEAD(arg);
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            res = Py_None;
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        }
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        inst(OP3, (arg -- res)) {
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            DEAD(arg);
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            DEOPT_IF(xxx);
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            res = Py_None;
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        }
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        family(OP1, INLINE_CACHE_ENTRIES_OP1) = { OP3 };
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    """
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        output = """
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        TARGET(OP1) {
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            #if Py_TAIL_CALL_INTERP
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            int opcode = OP1;
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            (void)(opcode);
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            #endif
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP1);
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            PREDICTED_OP1:;
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            _PyStackRef arg;
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            _PyStackRef res;
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            arg = stack_pointer[-1];
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            res = Py_None;
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            stack_pointer[-1] = res;
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            DISPATCH();
 | 
						|
        }
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 | 
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        TARGET(OP3) {
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						|
            #if Py_TAIL_CALL_INTERP
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            int opcode = OP3;
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            (void)(opcode);
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						|
            #endif
 | 
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            _Py_CODEUNIT* const this_instr = next_instr;
 | 
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            (void)this_instr;
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            frame->instr_ptr = next_instr;
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            next_instr += 1;
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            INSTRUCTION_STATS(OP3);
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            static_assert(INLINE_CACHE_ENTRIES_OP1 == 0, "incorrect cache size");
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            _PyStackRef arg;
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            _PyStackRef res;
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            arg = stack_pointer[-1];
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            if (xxx) {
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                UPDATE_MISS_STATS(OP1);
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                assert(_PyOpcode_Deopt[opcode] == (OP1));
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                JUMP_TO_PREDICTED(OP1);
 | 
						|
            }
 | 
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            res = Py_None;
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            stack_pointer[-1] = res;
 | 
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            DISPATCH();
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        }
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    """
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        self.run_cases_test(input, output)
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 | 
						|
    def test_sync_sp(self):
 | 
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        input = """
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        inst(A, (arg -- res)) {
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            DEAD(arg);
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            SYNC_SP();
 | 
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            escaping_call();
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            res = Py_None;
 | 
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        }
 | 
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        inst(B, (arg -- res)) {
 | 
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            DEAD(arg);
 | 
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            res = Py_None;
 | 
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            SYNC_SP();
 | 
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            escaping_call();
 | 
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        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(A) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = A;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
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            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(A);
 | 
						|
            _PyStackRef arg;
 | 
						|
            _PyStackRef res;
 | 
						|
            arg = stack_pointer[-1];
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = B;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(B);
 | 
						|
            _PyStackRef arg;
 | 
						|
            _PyStackRef res;
 | 
						|
            arg = stack_pointer[-1];
 | 
						|
            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);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            if (cond) {
 | 
						|
                JUMP_TO_LABEL(error);
 | 
						|
            }
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
    """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_error_if_plain_with_comment(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (--)) {
 | 
						|
            ERROR_IF(cond);  // Comment is ok
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            if (cond) {
 | 
						|
                JUMP_TO_LABEL(error);
 | 
						|
            }
 | 
						|
            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);
 | 
						|
            res = 0;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
                JUMP_TO_LABEL(pop_2_error);
 | 
						|
            }
 | 
						|
            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);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
                JUMP_TO_LABEL(pop_2_error);
 | 
						|
            }
 | 
						|
            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 --)) {
 | 
						|
            DEAD(value);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            _Py_CODEUNIT* const this_instr = next_instr;
 | 
						|
            (void)this_instr;
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 4;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef value;
 | 
						|
            value = stack_pointer[-1];
 | 
						|
            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 = """
 | 
						|
        label(somewhere) {
 | 
						|
        }
 | 
						|
 | 
						|
        inst(OP, (--)) {
 | 
						|
            goto somewhere;
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            JUMP_TO_LABEL(somewhere);
 | 
						|
        }
 | 
						|
 | 
						|
        LABEL(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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP1;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            _Py_CODEUNIT* const this_instr = next_instr;
 | 
						|
            (void)this_instr;
 | 
						|
            frame->instr_ptr = next_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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP3;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP1;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP1;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP1;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP2) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP2;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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);
 | 
						|
            DEAD(below);
 | 
						|
            DEAD(values);
 | 
						|
            DEAD(above);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef below;
 | 
						|
            _PyStackRef *values;
 | 
						|
            _PyStackRef above;
 | 
						|
            above = stack_pointer[-1];
 | 
						|
            values = &stack_pointer[-1 - oparg*2];
 | 
						|
            below = stack_pointer[-2 - 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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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] --)) {
 | 
						|
            DEAD(extra);
 | 
						|
            DEAD(values);
 | 
						|
            ERROR_IF(oparg == 0);
 | 
						|
        }
 | 
						|
    """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef extra;
 | 
						|
            _PyStackRef *values;
 | 
						|
            values = &stack_pointer[-oparg];
 | 
						|
            extra = stack_pointer[-1 - oparg];
 | 
						|
            if (oparg == 0) {
 | 
						|
                stack_pointer += -1 - oparg;
 | 
						|
                assert(WITHIN_STACK_BOUNDS());
 | 
						|
                JUMP_TO_LABEL(error);
 | 
						|
            }
 | 
						|
            stack_pointer += -1 - oparg;
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = M;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = M;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = M;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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];
 | 
						|
            DEAD(arg);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = INST;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = TEST;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = TEST;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = TEST;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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);
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND + THIRD;
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = TEST;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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
 | 
						|
            {
 | 
						|
                if (cond) {
 | 
						|
                    JUMP_TO_LABEL(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);
 | 
						|
        }
 | 
						|
 | 
						|
        macro(TEST) = FIRST + SECOND;
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(TEST) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = TEST;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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());
 | 
						|
                    JUMP_TO_LABEL(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);
 | 
						|
        }
 | 
						|
        inst(OP2, ( --)) {
 | 
						|
            ERROR_IF(1);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP1) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP1;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP1);
 | 
						|
            JUMP_TO_LABEL(error);
 | 
						|
        }
 | 
						|
 | 
						|
        TARGET(OP2) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP2;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP2);
 | 
						|
            JUMP_TO_LABEL(error);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        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();
 | 
						|
            code();
 | 
						|
            RELOAD_STACK();
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(BALANCED) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = BALANCED;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(BALANCED);
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            code();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_stack_save_reload_paired(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(BALANCED, ( -- )) {
 | 
						|
            SAVE_STACK();
 | 
						|
            RELOAD_STACK();
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(BALANCED) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = BALANCED;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(BALANCED);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_stack_reload_only(self):
 | 
						|
 | 
						|
        input = """
 | 
						|
        inst(BALANCED, ( -- )) {
 | 
						|
            RELOAD_STACK();
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(BALANCED) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = BALANCED;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = BALANCED;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            _Py_CODEUNIT* const this_instr = next_instr;
 | 
						|
            (void)this_instr;
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            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_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());
 | 
						|
        }
 | 
						|
        """
 | 
						|
        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, "")
 | 
						|
 | 
						|
    def test_complex_label(self):
 | 
						|
        input = """
 | 
						|
        label(other_label) {
 | 
						|
        }
 | 
						|
 | 
						|
        label(other_label2) {
 | 
						|
        }
 | 
						|
 | 
						|
        label(my_label) {
 | 
						|
            // Comment
 | 
						|
            do_thing();
 | 
						|
            if (complex) {
 | 
						|
                goto other_label;
 | 
						|
            }
 | 
						|
            goto other_label2;
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        LABEL(other_label)
 | 
						|
        {
 | 
						|
        }
 | 
						|
 | 
						|
        LABEL(other_label2)
 | 
						|
        {
 | 
						|
        }
 | 
						|
 | 
						|
        LABEL(my_label)
 | 
						|
        {
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            do_thing();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            if (complex) {
 | 
						|
                JUMP_TO_LABEL(other_label);
 | 
						|
            }
 | 
						|
            JUMP_TO_LABEL(other_label2);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_spilled_label(self):
 | 
						|
        input = """
 | 
						|
        spilled label(one) {
 | 
						|
            RELOAD_STACK();
 | 
						|
            goto two;
 | 
						|
        }
 | 
						|
 | 
						|
        label(two) {
 | 
						|
            SAVE_STACK();
 | 
						|
            goto one;
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        LABEL(one)
 | 
						|
        {
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            JUMP_TO_LABEL(two);
 | 
						|
        }
 | 
						|
 | 
						|
        LABEL(two)
 | 
						|
        {
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            JUMP_TO_LABEL(one);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
 | 
						|
    def test_incorrect_spills(self):
 | 
						|
        input1 = """
 | 
						|
        spilled label(one) {
 | 
						|
            goto two;
 | 
						|
        }
 | 
						|
 | 
						|
        label(two) {
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        input2 = """
 | 
						|
        spilled label(one) {
 | 
						|
        }
 | 
						|
 | 
						|
        label(two) {
 | 
						|
            goto one;
 | 
						|
        }
 | 
						|
        """
 | 
						|
        with self.assertRaisesRegex(SyntaxError, ".*reload.*"):
 | 
						|
            self.run_cases_test(input1, "")
 | 
						|
        with self.assertRaisesRegex(SyntaxError, ".*spill.*"):
 | 
						|
            self.run_cases_test(input2, "")
 | 
						|
 | 
						|
 | 
						|
    def test_multiple_labels(self):
 | 
						|
        input = """
 | 
						|
        label(my_label_1) {
 | 
						|
            // Comment
 | 
						|
            do_thing1();
 | 
						|
            goto my_label_2;
 | 
						|
        }
 | 
						|
 | 
						|
        label(my_label_2) {
 | 
						|
            // Comment
 | 
						|
            do_thing2();
 | 
						|
            goto my_label_1;
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        LABEL(my_label_1)
 | 
						|
        {
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            do_thing1();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            JUMP_TO_LABEL(my_label_2);
 | 
						|
        }
 | 
						|
 | 
						|
        LABEL(my_label_2)
 | 
						|
        {
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            do_thing2();
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            JUMP_TO_LABEL(my_label_1);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_reassigning_live_inputs(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (in -- in)) {
 | 
						|
            in = 0;
 | 
						|
        }
 | 
						|
        """
 | 
						|
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef in;
 | 
						|
            in = stack_pointer[-1];
 | 
						|
            in = 0;
 | 
						|
            stack_pointer[-1] = in;
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
    def test_reassigning_dead_inputs(self):
 | 
						|
        input = """
 | 
						|
        inst(OP, (in -- )) {
 | 
						|
            temp = use(in);
 | 
						|
            DEAD(in);
 | 
						|
            in = temp;
 | 
						|
            PyStackRef_CLOSE(in);
 | 
						|
        }
 | 
						|
        """
 | 
						|
        output = """
 | 
						|
        TARGET(OP) {
 | 
						|
            #if Py_TAIL_CALL_INTERP
 | 
						|
            int opcode = OP;
 | 
						|
            (void)(opcode);
 | 
						|
            #endif
 | 
						|
            frame->instr_ptr = next_instr;
 | 
						|
            next_instr += 1;
 | 
						|
            INSTRUCTION_STATS(OP);
 | 
						|
            _PyStackRef in;
 | 
						|
            in = stack_pointer[-1];
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            temp = use(in);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            in = temp;
 | 
						|
            stack_pointer += -1;
 | 
						|
            assert(WITHIN_STACK_BOUNDS());
 | 
						|
            _PyFrame_SetStackPointer(frame, stack_pointer);
 | 
						|
            PyStackRef_CLOSE(in);
 | 
						|
            stack_pointer = _PyFrame_GetStackPointer(frame);
 | 
						|
            DISPATCH();
 | 
						|
        }
 | 
						|
        """
 | 
						|
        self.run_cases_test(input, output)
 | 
						|
 | 
						|
 | 
						|
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()
 |