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from pypy.rpython.lltypesystem import lltype, llmemory
from pypy.jit.tool.oparser import parse
from pypy.jit.metainterp.resoperation import rop
from pypy.jit.metainterp.history import AbstractDescr, BoxInt, LoopToken,\
BoxFloat
def test_basic_parse():
x = """
[i0, i1]
# a comment
i2 = int_add(i0, i1)
i3 = int_sub(i2, 3) # another comment
finish() # (tricky)
"""
loop = parse(x)
assert len(loop.operations) == 3
assert [op.getopnum() for op in loop.operations] == [rop.INT_ADD, rop.INT_SUB,
rop.FINISH]
assert len(loop.inputargs) == 2
assert loop.operations[-1].getdescr()
def test_const_ptr_subops():
x = """
[p0]
guard_class(p0, ConstClass(vtable)) []
"""
S = lltype.Struct('S')
vtable = lltype.nullptr(S)
loop = parse(x, None, locals())
assert len(loop.operations) == 1
assert loop.operations[0].getdescr()
assert loop.operations[0].getfailargs() == []
def test_descr():
class Xyz(AbstractDescr):
pass
x = """
[p0]
i1 = getfield_gc(p0, descr=stuff)
"""
stuff = Xyz()
loop = parse(x, None, locals())
assert loop.operations[0].getdescr() is stuff
def test_after_fail():
x = """
[i0]
guard_value(i0, 3) []
i1 = int_add(1, 2)
"""
loop = parse(x, None, {})
assert len(loop.operations) == 2
def test_descr_setfield():
class Xyz(AbstractDescr):
pass
x = """
[p0]
setfield_gc(p0, 3, descr=stuff)
"""
stuff = Xyz()
loop = parse(x, None, locals())
assert loop.operations[0].getdescr() is stuff
def test_boxname():
x = """
[i42]
i50 = int_add(i42, 1)
"""
loop = parse(x, None, {})
assert str(loop.inputargs[0]) == 'i42'
assert str(loop.operations[0].result) == 'i50'
def test_getboxes():
x = """
[i0]
i1 = int_add(i0, 10)
"""
loop = parse(x, None, {})
boxes = loop.getboxes()
assert boxes.i0 is loop.inputargs[0]
assert boxes.i1 is loop.operations[0].result
def test_setvalues():
x = """
[i0]
i1 = int_add(i0, 10)
"""
loop = parse(x, None, {})
loop.setvalues(i0=32, i1=42)
assert loop.inputargs[0].value == 32
assert loop.operations[0].result.value == 42
def test_boxkind():
x = """
[sum0]
"""
loop = parse(x, None, {}, boxkinds={'sum': BoxInt})
b = loop.getboxes()
assert isinstance(b.sum0, BoxInt)
def test_getvar_const_ptr():
x = '''
[]
call(ConstPtr(func_ptr))
'''
TP = lltype.GcArray(lltype.Signed)
NULL = lltype.cast_opaque_ptr(llmemory.GCREF, lltype.nullptr(TP))
loop = parse(x, None, {'func_ptr' : NULL})
assert loop.operations[0].getarg(0).value == NULL
def test_jump_target():
x = '''
[]
jump()
'''
loop = parse(x)
assert loop.operations[0].getdescr() is loop.token
def test_jump_target_other():
looptoken = LoopToken()
x = '''
[]
jump(descr=looptoken)
'''
loop = parse(x, namespace=locals())
assert loop.operations[0].getdescr() is looptoken
def test_floats():
x = '''
[f0]
f1 = float_add(f0, 3.5)
'''
loop = parse(x)
assert isinstance(loop.operations[0].getarg(0), BoxFloat)
def test_debug_merge_point():
x = '''
[]
debug_merge_point("info")
debug_merge_point('info')
debug_merge_point('<some ('other,')> info')
debug_merge_point('(stuff) #1')
'''
loop = parse(x)
assert loop.operations[0].getarg(0)._get_str() == 'info'
assert loop.operations[1].getarg(0)._get_str() == 'info'
assert loop.operations[2].getarg(0)._get_str() == "<some ('other,')> info"
assert loop.operations[3].getarg(0)._get_str() == "(stuff) #1"
def test_descr_with_obj_print():
x = '''
[p0]
setfield_gc(p0, 1, descr=<SomeDescr>)
'''
loop = parse(x)
# assert did not explode
example_loop_log = '''\
# bridge out of Guard12, 6 ops
[i0, i1, i2]
i4 = int_add(i0, 2)
i6 = int_sub(i1, 1)
i8 = int_gt(i6, 3)
guard_true(i8, descr=<Guard15>) [i4, i6]
debug_merge_point('(no jitdriver.get_printable_location!)')
jump(i6, i4, descr=<Loop0>)
'''
def test_parse_no_namespace():
loop = parse(example_loop_log, no_namespace=True)
def test_attach_comment_to_loop():
loop = parse(example_loop_log, no_namespace=True)
assert loop.comment == '# bridge out of Guard12, 6 ops'
def test_parse_new_with_comma():
# this is generated by PYPYJITLOG, check that we can handle it
x = '''
[]
p0 = new(, descr=<SizeDescr 12>)
'''
loop = parse(x)
assert loop.operations[0].getopname() == 'new'
def test_no_fail_args():
x = '''
[i0]
guard_true(i0, descr=<Guard0>)
'''
loop = parse(x, nonstrict=True)
assert loop.operations[0].getfailargs() == []
def test_no_inputargs():
x = '''
i2 = int_add(i0, i1)
'''
loop = parse(x, nonstrict=True)
assert loop.inputargs == []
assert loop.operations[0].getopname() == 'int_add'
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