mirror of https://github.com/python/cpython
1618 lines
42 KiB
Python
1618 lines
42 KiB
Python
import contextlib
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import os
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import sys
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import tempfile
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import unittest
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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 StackItem
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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 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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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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stack.pop(z)
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stack.pop(y)
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stack.pop(x)
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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.top_offset.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.readlines()
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while lines and lines[0].startswith(("// ", "#", " #", "\n")):
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lines.pop(0)
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while lines and lines[-1].startswith(("#", "\n")):
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lines.pop(-1)
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actual = "".join(lines)
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# if actual.strip() != expected.strip():
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# print("Actual:")
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# print(actual)
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# print("Expected:")
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# print(expected)
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# print("End")
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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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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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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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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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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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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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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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def test_predictions(self):
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input = """
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inst(OP1, (arg -- res)) {
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res = Py_None;
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}
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inst(OP3, (arg -- res)) {
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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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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 res;
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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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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 res;
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DEOPT_IF(xxx, 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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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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res = Py_None;
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SYNC_SP();
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escaping_call();
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}
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"""
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output = """
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TARGET(A) {
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frame->instr_ptr = next_instr;
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next_instr += 1;
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INSTRUCTION_STATS(A);
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_PyStackRef res;
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stack_pointer += -1;
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assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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escaping_call();
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stack_pointer = _PyFrame_GetStackPointer(frame);
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res = Py_None;
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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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TARGET(B) {
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frame->instr_ptr = next_instr;
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next_instr += 1;
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INSTRUCTION_STATS(B);
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_PyStackRef res;
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res = Py_None;
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stack_pointer[-1] = res;
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_PyFrame_SetStackPointer(frame, stack_pointer);
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escaping_call();
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stack_pointer = _PyFrame_GetStackPointer(frame);
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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_pep7_condition(self):
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input = """
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inst(OP, (arg1 -- out)) {
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if (arg1)
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out = 0;
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else {
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out = 1;
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}
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}
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"""
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output = ""
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with self.assertRaises(SyntaxError):
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self.run_cases_test(input, output)
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def test_error_if_plain(self):
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input = """
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inst(OP, (--)) {
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ERROR_IF(cond, label);
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}
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"""
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output = """
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TARGET(OP) {
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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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if (cond) goto label;
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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_error_if_plain_with_comment(self):
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input = """
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inst(OP, (--)) {
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ERROR_IF(cond, label); // Comment is ok
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}
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"""
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output = """
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TARGET(OP) {
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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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if (cond) goto label;
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// Comment is ok
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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_error_if_pop(self):
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input = """
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inst(OP, (left, right -- res)) {
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SPAM(left, right);
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INPUTS_DEAD();
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ERROR_IF(cond, label);
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res = 0;
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}
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"""
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output = """
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TARGET(OP) {
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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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SPAM(left, right);
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if (cond) goto pop_2_label;
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res = 0;
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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_error_if_pop_with_result(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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ERROR_IF(cond, label);
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}
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"""
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output = """
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TARGET(OP) {
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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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if (cond) goto pop_2_label;
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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_cache_effect(self):
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input = """
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inst(OP, (counter/1, extra/2, value --)) {
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}
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"""
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output = """
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TARGET(OP) {
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_Py_CODEUNIT* const this_instr = frame->instr_ptr = next_instr;
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(void)this_instr;
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next_instr += 4;
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INSTRUCTION_STATS(OP);
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uint16_t counter = read_u16(&this_instr[1].cache);
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(void)counter;
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uint32_t extra = read_u32(&this_instr[2].cache);
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(void)extra;
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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_suppress_dispatch(self):
|
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input = """
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inst(OP, (--)) {
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goto somewhere;
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}
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"""
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output = """
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TARGET(OP) {
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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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goto somewhere;
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}
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|
"""
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self.run_cases_test(input, output)
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|
|
|
def test_macro_instruction(self):
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input = """
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inst(OP1, (counter/1, left, right -- left, right)) {
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op1(left, right);
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}
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op(OP2, (extra/2, arg2, left, right -- res)) {
|
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res = op2(arg2, left, right);
|
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INPUTS_DEAD();
|
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}
|
|
macro(OP) = OP1 + cache/2 + OP2;
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inst(OP3, (unused/5, arg2, left, right -- res)) {
|
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res = op3(arg2, left, right);
|
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INPUTS_DEAD();
|
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}
|
|
family(OP, INLINE_CACHE_ENTRIES_OP) = { OP3 };
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|
"""
|
|
output = """
|
|
TARGET(OP) {
|
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frame->instr_ptr = next_instr;
|
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next_instr += 6;
|
|
INSTRUCTION_STATS(OP);
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|
PREDICTED(OP);
|
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_Py_CODEUNIT* const this_instr = next_instr - 6;
|
|
(void)this_instr;
|
|
_PyStackRef left;
|
|
_PyStackRef right;
|
|
_PyStackRef arg2;
|
|
_PyStackRef res;
|
|
// _OP1
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{
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right = stack_pointer[-1];
|
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left = stack_pointer[-2];
|
|
uint16_t counter = read_u16(&this_instr[1].cache);
|
|
(void)counter;
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
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op1(left, right);
|
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stack_pointer = _PyFrame_GetStackPointer(frame);
|
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}
|
|
/* Skip 2 cache entries */
|
|
// OP2
|
|
{
|
|
arg2 = stack_pointer[-3];
|
|
uint32_t extra = read_u32(&this_instr[4].cache);
|
|
(void)extra;
|
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_PyFrame_SetStackPointer(frame, stack_pointer);
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res = op2(arg2, left, right);
|
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stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
}
|
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stack_pointer[-3] = res;
|
|
stack_pointer += -2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
|
|
TARGET(OP1) {
|
|
_Py_CODEUNIT* const this_instr = frame->instr_ptr = next_instr;
|
|
(void)this_instr;
|
|
next_instr += 2;
|
|
INSTRUCTION_STATS(OP1);
|
|
_PyStackRef left;
|
|
_PyStackRef right;
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
uint16_t counter = read_u16(&this_instr[1].cache);
|
|
(void)counter;
|
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_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
op1(left, right);
|
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stack_pointer = _PyFrame_GetStackPointer(frame);
|
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DISPATCH();
|
|
}
|
|
|
|
TARGET(OP3) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 6;
|
|
INSTRUCTION_STATS(OP3);
|
|
static_assert(INLINE_CACHE_ENTRIES_OP == 5, "incorrect cache size");
|
|
_PyStackRef arg2;
|
|
_PyStackRef left;
|
|
_PyStackRef right;
|
|
_PyStackRef res;
|
|
/* Skip 5 cache entries */
|
|
right = stack_pointer[-1];
|
|
left = stack_pointer[-2];
|
|
arg2 = stack_pointer[-3];
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
res = op3(arg2, left, right);
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
stack_pointer[-3] = res;
|
|
stack_pointer += -2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_unused_caches(self):
|
|
input = """
|
|
inst(OP, (unused/1, unused/2 --)) {
|
|
body;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 4;
|
|
INSTRUCTION_STATS(OP);
|
|
/* Skip 1 cache entry */
|
|
/* Skip 2 cache entries */
|
|
body;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_pseudo_instruction_no_flags(self):
|
|
input = """
|
|
pseudo(OP, (in -- out1, out2)) = {
|
|
OP1,
|
|
};
|
|
|
|
inst(OP1, (--)) {
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP1) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP1);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_pseudo_instruction_with_flags(self):
|
|
input = """
|
|
pseudo(OP, (in1, in2 --), (HAS_ARG, HAS_JUMP)) = {
|
|
OP1,
|
|
};
|
|
|
|
inst(OP1, (--)) {
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP1) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP1);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_pseudo_instruction_as_sequence(self):
|
|
input = """
|
|
pseudo(OP, (in -- out1, out2)) = [
|
|
OP1, OP2
|
|
];
|
|
|
|
inst(OP1, (--)) {
|
|
}
|
|
|
|
inst(OP2, (--)) {
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP1) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP1);
|
|
DISPATCH();
|
|
}
|
|
|
|
TARGET(OP2) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP2);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
|
|
def test_array_input(self):
|
|
input = """
|
|
inst(OP, (below, values[oparg*2], above --)) {
|
|
SPAM(values, oparg);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
_PyStackRef *values;
|
|
values = &stack_pointer[-1 - oparg*2];
|
|
SPAM(values, oparg);
|
|
stack_pointer += -2 - oparg*2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_output(self):
|
|
input = """
|
|
inst(OP, (unused, unused -- below, values[oparg*3], above)) {
|
|
SPAM(values, oparg);
|
|
below = 0;
|
|
above = 0;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
_PyStackRef below;
|
|
_PyStackRef *values;
|
|
_PyStackRef above;
|
|
values = &stack_pointer[-1];
|
|
SPAM(values, oparg);
|
|
below = 0;
|
|
above = 0;
|
|
stack_pointer[-2] = below;
|
|
stack_pointer[-1 + oparg*3] = above;
|
|
stack_pointer += oparg*3;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_input_output(self):
|
|
input = """
|
|
inst(OP, (values[oparg] -- values[oparg], above)) {
|
|
SPAM(values, oparg);
|
|
above = 0;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
_PyStackRef *values;
|
|
_PyStackRef above;
|
|
values = &stack_pointer[-oparg];
|
|
SPAM(values, oparg);
|
|
above = 0;
|
|
stack_pointer[0] = above;
|
|
stack_pointer += 1;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_error_if(self):
|
|
input = """
|
|
inst(OP, (extra, values[oparg] --)) {
|
|
ERROR_IF(oparg == 0, somewhere);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
if (oparg == 0) {
|
|
stack_pointer += -1 - oparg;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
goto somewhere;
|
|
}
|
|
stack_pointer += -1 - oparg;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_cond_effect(self):
|
|
input = """
|
|
inst(OP, (aa, input if ((oparg & 1) == 1), cc -- xx, output if (oparg & 2), zz)) {
|
|
output = SPAM(oparg, aa, cc, input);
|
|
INPUTS_DEAD();
|
|
xx = 0;
|
|
zz = 0;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
_PyStackRef aa;
|
|
_PyStackRef input = PyStackRef_NULL;
|
|
_PyStackRef cc;
|
|
_PyStackRef xx;
|
|
_PyStackRef output = PyStackRef_NULL;
|
|
_PyStackRef zz;
|
|
cc = stack_pointer[-1];
|
|
if ((oparg & 1) == 1) { input = stack_pointer[-1 - (((oparg & 1) == 1) ? 1 : 0)]; }
|
|
aa = stack_pointer[-2 - (((oparg & 1) == 1) ? 1 : 0)];
|
|
output = SPAM(oparg, aa, cc, input);
|
|
xx = 0;
|
|
zz = 0;
|
|
stack_pointer[-2 - (((oparg & 1) == 1) ? 1 : 0)] = xx;
|
|
if (oparg & 2) stack_pointer[-1 - (((oparg & 1) == 1) ? 1 : 0)] = output;
|
|
stack_pointer[-1 - (((oparg & 1) == 1) ? 1 : 0) + ((oparg & 2) ? 1 : 0)] = zz;
|
|
stack_pointer += -(((oparg & 1) == 1) ? 1 : 0) + ((oparg & 2) ? 1 : 0);
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_macro_cond_effect(self):
|
|
input = """
|
|
op(A, (left, middle, right --)) {
|
|
USE(left, middle, right);
|
|
INPUTS_DEAD();
|
|
}
|
|
op(B, (-- deep, extra if (oparg), res)) {
|
|
deep = -1;
|
|
res = 0;
|
|
extra = 1;
|
|
INPUTS_DEAD();
|
|
}
|
|
macro(M) = A + B;
|
|
"""
|
|
output = """
|
|
TARGET(M) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(M);
|
|
_PyStackRef left;
|
|
_PyStackRef middle;
|
|
_PyStackRef right;
|
|
_PyStackRef deep;
|
|
_PyStackRef extra = PyStackRef_NULL;
|
|
_PyStackRef res;
|
|
// A
|
|
{
|
|
right = stack_pointer[-1];
|
|
middle = stack_pointer[-2];
|
|
left = stack_pointer[-3];
|
|
USE(left, middle, right);
|
|
}
|
|
// B
|
|
{
|
|
deep = -1;
|
|
res = 0;
|
|
extra = 1;
|
|
}
|
|
stack_pointer[-3] = deep;
|
|
if (oparg) stack_pointer[-2] = extra;
|
|
stack_pointer[-2 + ((oparg) ? 1 : 0)] = res;
|
|
stack_pointer += -1 + ((oparg) ? 1 : 0);
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_macro_push_push(self):
|
|
input = """
|
|
op(A, (-- val1)) {
|
|
val1 = SPAM();
|
|
}
|
|
op(B, (-- val2)) {
|
|
val2 = SPAM();
|
|
}
|
|
macro(M) = A + B;
|
|
"""
|
|
output = """
|
|
TARGET(M) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(M);
|
|
_PyStackRef val1;
|
|
_PyStackRef val2;
|
|
// A
|
|
{
|
|
val1 = SPAM();
|
|
}
|
|
// B
|
|
{
|
|
val2 = SPAM();
|
|
}
|
|
stack_pointer[0] = val1;
|
|
stack_pointer[1] = val2;
|
|
stack_pointer += 2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_override_inst(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
spam;
|
|
}
|
|
override inst(OP, (--)) {
|
|
ham;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
ham;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_override_op(self):
|
|
input = """
|
|
op(OP, (--)) {
|
|
spam;
|
|
}
|
|
macro(M) = OP;
|
|
override op(OP, (--)) {
|
|
ham;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(M) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(M);
|
|
ham;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_annotated_inst(self):
|
|
input = """
|
|
pure inst(OP, (--)) {
|
|
ham;
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
ham;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_annotated_op(self):
|
|
input = """
|
|
pure op(OP, (--)) {
|
|
SPAM();
|
|
}
|
|
macro(M) = OP;
|
|
"""
|
|
output = """
|
|
TARGET(M) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(M);
|
|
SPAM();
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
input = """
|
|
pure register specializing op(OP, (--)) {
|
|
SPAM();
|
|
}
|
|
macro(M) = OP;
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_deopt_and_exit(self):
|
|
input = """
|
|
pure op(OP, (arg1 -- out)) {
|
|
DEOPT_IF(1);
|
|
EXIT_IF(1);
|
|
}
|
|
"""
|
|
output = ""
|
|
with self.assertRaises(SyntaxError):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_of_one(self):
|
|
input = """
|
|
inst(OP, (arg[1] -- out[1])) {
|
|
out[0] = arg[0];
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
_PyStackRef *arg;
|
|
_PyStackRef *out;
|
|
arg = &stack_pointer[-1];
|
|
out = &stack_pointer[-1];
|
|
out[0] = arg[0];
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_pointer_to_stackref(self):
|
|
input = """
|
|
inst(OP, (arg: _PyStackRef * -- out)) {
|
|
out = *arg;
|
|
DEAD(arg);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
_PyStackRef *arg;
|
|
_PyStackRef out;
|
|
arg = (_PyStackRef *)stack_pointer[-1].bits;
|
|
out = *arg;
|
|
stack_pointer[-1] = out;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_unused_cached_value(self):
|
|
input = """
|
|
op(FIRST, (arg1 -- out)) {
|
|
out = arg1;
|
|
}
|
|
|
|
op(SECOND, (unused -- unused)) {
|
|
}
|
|
|
|
macro(BOTH) = FIRST + SECOND;
|
|
"""
|
|
output = """
|
|
"""
|
|
with self.assertRaises(SyntaxError):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_unused_named_values(self):
|
|
input = """
|
|
op(OP, (named -- named)) {
|
|
}
|
|
|
|
macro(INST) = OP;
|
|
"""
|
|
output = """
|
|
TARGET(INST) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(INST);
|
|
DISPATCH();
|
|
}
|
|
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_used_unused_used(self):
|
|
input = """
|
|
op(FIRST, (w -- w)) {
|
|
USE(w);
|
|
}
|
|
|
|
op(SECOND, (x -- x)) {
|
|
}
|
|
|
|
op(THIRD, (y -- y)) {
|
|
USE(y);
|
|
}
|
|
|
|
macro(TEST) = FIRST + SECOND + THIRD;
|
|
"""
|
|
output = """
|
|
TARGET(TEST) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(TEST);
|
|
_PyStackRef w;
|
|
_PyStackRef y;
|
|
// FIRST
|
|
{
|
|
w = stack_pointer[-1];
|
|
USE(w);
|
|
}
|
|
// SECOND
|
|
{
|
|
}
|
|
// THIRD
|
|
{
|
|
y = w;
|
|
USE(y);
|
|
}
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_unused_used_used(self):
|
|
input = """
|
|
op(FIRST, (w -- w)) {
|
|
}
|
|
|
|
op(SECOND, (x -- x)) {
|
|
USE(x);
|
|
}
|
|
|
|
op(THIRD, (y -- y)) {
|
|
USE(y);
|
|
}
|
|
|
|
macro(TEST) = FIRST + SECOND + THIRD;
|
|
"""
|
|
output = """
|
|
TARGET(TEST) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(TEST);
|
|
_PyStackRef x;
|
|
_PyStackRef y;
|
|
// FIRST
|
|
{
|
|
}
|
|
// SECOND
|
|
{
|
|
x = stack_pointer[-1];
|
|
USE(x);
|
|
}
|
|
// THIRD
|
|
{
|
|
y = x;
|
|
USE(y);
|
|
}
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_flush(self):
|
|
input = """
|
|
op(FIRST, ( -- a, b)) {
|
|
a = 0;
|
|
b = 1;
|
|
}
|
|
|
|
op(SECOND, (a, b -- )) {
|
|
USE(a, b);
|
|
INPUTS_DEAD();
|
|
}
|
|
|
|
macro(TEST) = FIRST + flush + SECOND;
|
|
"""
|
|
output = """
|
|
TARGET(TEST) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(TEST);
|
|
_PyStackRef a;
|
|
_PyStackRef b;
|
|
// FIRST
|
|
{
|
|
a = 0;
|
|
b = 1;
|
|
}
|
|
// flush
|
|
stack_pointer[0] = a;
|
|
stack_pointer[1] = b;
|
|
stack_pointer += 2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
// SECOND
|
|
{
|
|
USE(a, b);
|
|
}
|
|
stack_pointer += -2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_pop_on_error_peeks(self):
|
|
|
|
input = """
|
|
op(FIRST, (x, y -- a, b)) {
|
|
a = x;
|
|
DEAD(x);
|
|
b = y;
|
|
DEAD(y);
|
|
}
|
|
|
|
op(SECOND, (a, b -- a, b)) {
|
|
}
|
|
|
|
op(THIRD, (j, k --)) {
|
|
INPUTS_DEAD(); // Mark j and k as used
|
|
ERROR_IF(cond, error);
|
|
}
|
|
|
|
macro(TEST) = FIRST + SECOND + THIRD;
|
|
"""
|
|
output = """
|
|
TARGET(TEST) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(TEST);
|
|
_PyStackRef x;
|
|
_PyStackRef y;
|
|
_PyStackRef a;
|
|
_PyStackRef b;
|
|
// FIRST
|
|
{
|
|
y = stack_pointer[-1];
|
|
x = stack_pointer[-2];
|
|
a = x;
|
|
b = y;
|
|
}
|
|
// SECOND
|
|
{
|
|
}
|
|
// THIRD
|
|
{
|
|
// Mark j and k as used
|
|
if (cond) goto pop_2_error;
|
|
}
|
|
stack_pointer += -2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_push_then_error(self):
|
|
|
|
input = """
|
|
op(FIRST, ( -- a)) {
|
|
a = 1;
|
|
}
|
|
|
|
op(SECOND, (a -- a, b)) {
|
|
b = 1;
|
|
ERROR_IF(cond, error);
|
|
}
|
|
|
|
macro(TEST) = FIRST + SECOND;
|
|
"""
|
|
|
|
output = """
|
|
TARGET(TEST) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(TEST);
|
|
_PyStackRef a;
|
|
_PyStackRef b;
|
|
// FIRST
|
|
{
|
|
a = 1;
|
|
}
|
|
// SECOND
|
|
{
|
|
b = 1;
|
|
if (cond) {
|
|
stack_pointer[0] = a;
|
|
stack_pointer[1] = b;
|
|
stack_pointer += 2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
goto error;
|
|
}
|
|
}
|
|
stack_pointer[0] = a;
|
|
stack_pointer[1] = b;
|
|
stack_pointer += 2;
|
|
assert(WITHIN_STACK_BOUNDS());
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_error_if_true(self):
|
|
|
|
input = """
|
|
inst(OP1, ( --)) {
|
|
ERROR_IF(true, here);
|
|
}
|
|
inst(OP2, ( --)) {
|
|
ERROR_IF(1, there);
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP1) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP1);
|
|
goto here;
|
|
}
|
|
|
|
TARGET(OP2) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP2);
|
|
goto there;
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_scalar_array_inconsistency(self):
|
|
|
|
input = """
|
|
op(FIRST, ( -- a)) {
|
|
a = 1;
|
|
}
|
|
|
|
op(SECOND, (a[1] -- b)) {
|
|
b = 1;
|
|
}
|
|
|
|
macro(TEST) = FIRST + SECOND;
|
|
"""
|
|
|
|
output = """
|
|
"""
|
|
with self.assertRaises(SyntaxError):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_array_size_inconsistency(self):
|
|
|
|
input = """
|
|
op(FIRST, ( -- a[2])) {
|
|
a[0] = 1;
|
|
}
|
|
|
|
op(SECOND, (a[1] -- b)) {
|
|
b = 1;
|
|
}
|
|
|
|
macro(TEST) = FIRST + SECOND;
|
|
"""
|
|
|
|
output = """
|
|
"""
|
|
with self.assertRaises(SyntaxError):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_stack_save_reload(self):
|
|
|
|
input = """
|
|
inst(BALANCED, ( -- )) {
|
|
SAVE_STACK();
|
|
RELOAD_STACK();
|
|
}
|
|
"""
|
|
|
|
output = """
|
|
TARGET(BALANCED) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(BALANCED);
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_stack_reload_only(self):
|
|
|
|
input = """
|
|
inst(BALANCED, ( -- )) {
|
|
RELOAD_STACK();
|
|
}
|
|
"""
|
|
|
|
output = """
|
|
TARGET(BALANCED) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(BALANCED);
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
with self.assertRaises(SyntaxError):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_stack_save_only(self):
|
|
|
|
input = """
|
|
inst(BALANCED, ( -- )) {
|
|
SAVE_STACK();
|
|
}
|
|
"""
|
|
|
|
output = """
|
|
TARGET(BALANCED) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(BALANCED);
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
with self.assertRaises(SyntaxError):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_instruction_size_macro(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
frame->return_offset = INSTRUCTION_SIZE;
|
|
}
|
|
"""
|
|
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
frame->return_offset = 1 ;
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
# Two instructions of different sizes referencing the same
|
|
# uop containing the `INSTRUCTION_SIZE` macro is not allowed.
|
|
input = """
|
|
inst(OP, (--)) {
|
|
frame->return_offset = INSTRUCTION_SIZE;
|
|
}
|
|
macro(OP2) = unused/1 + OP;
|
|
"""
|
|
|
|
output = "" # No output needed as this should raise an error.
|
|
with self.assertRaisesRegex(SyntaxError, "All instructions containing a uop"):
|
|
self.run_cases_test(input, output)
|
|
|
|
def test_escaping_call_next_to_cmacro(self):
|
|
input = """
|
|
inst(OP, (--)) {
|
|
#ifdef Py_GIL_DISABLED
|
|
escaping_call();
|
|
#else
|
|
another_escaping_call();
|
|
#endif
|
|
yet_another_escaping_call();
|
|
}
|
|
"""
|
|
output = """
|
|
TARGET(OP) {
|
|
frame->instr_ptr = next_instr;
|
|
next_instr += 1;
|
|
INSTRUCTION_STATS(OP);
|
|
#ifdef Py_GIL_DISABLED
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
escaping_call();
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
#else
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
another_escaping_call();
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
#endif
|
|
_PyFrame_SetStackPointer(frame, stack_pointer);
|
|
yet_another_escaping_call();
|
|
stack_pointer = _PyFrame_GetStackPointer(frame);
|
|
DISPATCH();
|
|
}
|
|
"""
|
|
self.run_cases_test(input, output)
|
|
|
|
|
|
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: {
|
|
_Py_UopsSymbol *arg1;
|
|
_Py_UopsSymbol *out;
|
|
arg1 = stack_pointer[-1];
|
|
out = EGGS(arg1);
|
|
stack_pointer[-1] = out;
|
|
break;
|
|
}
|
|
|
|
case OP2: {
|
|
_Py_UopsSymbol *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: {
|
|
_Py_UopsSymbol *out;
|
|
out = sym_new_not_null(ctx);
|
|
stack_pointer[-1] = out;
|
|
break;
|
|
}
|
|
|
|
case OP2: {
|
|
_Py_UopsSymbol *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()
|