Example #1
0
 def getvar(self, arg):
     if not arg:
         return ConstInt(0)
     try:
         return ConstInt(int(arg))
     except ValueError:
         if self.is_float(arg):
             return ConstFloat(float(arg))
         if arg.startswith('"') or arg.startswith("'"):
             # XXX ootype
             info = arg.strip("'\"")
             return ConstPtr(
                 lltype.cast_opaque_ptr(llmemory.GCREF, llstr(info)))
         if arg.startswith('ConstClass('):
             name = arg[len('ConstClass('):-1]
             return self.get_const(name, 'class')
         elif arg == 'None':
             return None
         elif arg == 'NULL':
             if self.type_system == 'lltype':
                 return ConstPtr(ConstPtr.value)
             else:
                 return ConstObj(ConstObj.value)
         elif arg.startswith('ConstPtr('):
             name = arg[len('ConstPtr('):-1]
             return self.get_const(name, 'ptr')
         return self.vars[arg]
Example #2
0
def make_args_for_op(op, a, b):
    n=opname[op]
    if n[0:3] == 'INT' or n[0:4] == 'UINT':
        arg1 = ConstInt(a)
        arg2 = ConstInt(b)
    elif n[0:5] == 'FLOAT':
        arg1 = constfloat(float(a))
        arg2 = constfloat(float(b))
    elif n[0:3] == 'PTR':
        arg1 = ConstPtr(rffi.cast(llmemory.GCREF, a))
        arg2 = ConstPtr(rffi.cast(llmemory.GCREF, b))
    else:
        raise NotImplementedError(
            "Don't know how to make args for " + n)
    return arg1, arg2
Example #3
0
 def constant(value):
     if isinstance(lltype.typeOf(value), lltype.Ptr):
         return ConstPtr(value)
     elif isinstance(ootype.typeOf(value), ootype.OOType):
         return ConstObj(ootype.cast_to_object(value))
     else:
         return ConstInt(value)
Example #4
0
 def get_structptr_var(self, r, must_have_vtable=False, type=lltype.Struct):
     while True:
         ptrvars = [(v, S) for (v, S) in self.ptrvars
                           if isinstance(S, type)]
         if ptrvars and r.random() < 0.8:
             v, S = r.choice(ptrvars)
         else:
             prebuilt_ptr_consts = [(v, S)
                              for (v, S, _) in self.prebuilt_ptr_consts
                              if isinstance(S, type)]
             if prebuilt_ptr_consts and r.random() < 0.7:
                 v, S = r.choice(prebuilt_ptr_consts)
             else:
                 if type is lltype.Struct:
                     # create a new constant structure
                     must_have_vtable = must_have_vtable or r.random() < 0.5
                     p = self.get_random_structure(r,
                                             has_vtable=must_have_vtable)
                 else:
                     # create a new constant array
                     p = self.get_random_array(r)
                 S = lltype.typeOf(p).TO
                 v = ConstPtr(lltype.cast_opaque_ptr(llmemory.GCREF, p))
                 self.prebuilt_ptr_consts.append((v, S,
                                                  self.field_values(p)))
         if not (must_have_vtable and S._names[0] != 'parent'):
             break
     return v, S
Example #5
0
    def test_record_constptrs(self):
        class MyFakeCPU(object):
            def cast_adr_to_int(self, adr):
                assert adr == "some fake address"
                return 43

        class MyFakeGCRefList(object):
            def get_address_of_gcref(self, s_gcref1):
                assert s_gcref1 == s_gcref
                return "some fake address"

        S = lltype.GcStruct('S')
        s = lltype.malloc(S)
        s_gcref = lltype.cast_opaque_ptr(llmemory.GCREF, s)
        v_random_box = BoxPtr()
        v_result = BoxInt()
        operations = [
            ResOperation(rop.PTR_EQ,
                         [v_random_box, ConstPtr(s_gcref)], v_result),
        ]
        gc_ll_descr = self.gc_ll_descr
        gc_ll_descr.gcrefs = MyFakeGCRefList()
        gcrefs = []
        operations = get_deep_immutable_oplist(operations)
        operations2 = gc_ll_descr.rewrite_assembler(MyFakeCPU(), operations,
                                                    gcrefs)
        assert operations2 == operations
        assert gcrefs == [s_gcref]
Example #6
0
    def test_known_class_generalization(self):
        knownclass1 = OptValue(BoxPtr())
        knownclass1.make_constant_class(ConstPtr(self.someptr1), 0)
        info1 = NotVirtualStateInfo(knownclass1)
        info1.position = 0
        knownclass2 = OptValue(BoxPtr())
        knownclass2.make_constant_class(ConstPtr(self.someptr1), 0)
        info2 = NotVirtualStateInfo(knownclass2)
        info2.position = 0
        assert info1.generalization_of(info2, {}, {})
        assert info2.generalization_of(info1, {}, {})

        knownclass3 = OptValue(BoxPtr())
        knownclass3.make_constant_class(ConstPtr(self.someptr2), 0)
        info3 = NotVirtualStateInfo(knownclass3)
        info3.position = 0
        assert not info1.generalization_of(info3, {}, {})
        assert not info2.generalization_of(info3, {}, {})
        assert not info3.generalization_of(info2, {}, {})
        assert not info3.generalization_of(info1, {}, {})
Example #7
0
def test_wrap():
    def _is(box1, box2):
        return (box1.__class__ == box2.__class__ and box1.value == box2.value)

    p = lltype.malloc(lltype.GcStruct('S'))
    po = lltype.cast_opaque_ptr(llmemory.GCREF, p)
    assert _is(wrap(None, 42), BoxInt(42))
    assert _is(wrap(None, 42.5), BoxFloat(42.5))
    assert _is(wrap(None, p), BoxPtr(po))
    assert _is(wrap(None, 42, in_const_box=True), ConstInt(42))
    assert _is(wrap(None, 42.5, in_const_box=True), ConstFloat(42.5))
    assert _is(wrap(None, p, in_const_box=True), ConstPtr(po))
Example #8
0
 def get_string(self, builder, r):
     current = getattr(builder, self.builder_cache)
     if current and r.random() < .8:
         v_string = r.choice(current)
         string = v_string.getref(self.ptr)
     else:
         string = self.alloc(builder.get_index(500, r).getint())
         v_string = ConstPtr(lltype.cast_opaque_ptr(llmemory.GCREF, string))
         current.append(v_string)
     for i in range(len(string.chars)):
         char = r.random_integer() % self.max
         string.chars[i] = lltype.cast_primitive(self.primitive, char)
     return v_string
Example #9
0
 def gen_guard(self, builder, r):
     if r.random() < 0.5:
         return GuardClassOperation.gen_guard(self, builder, r)
     else:
         v = BoxPtr(lltype.nullptr(llmemory.GCREF.TO))
         op = ResOperation(rop.SAME_AS, [ConstPtr(v.value)], v)
         builder.loop.operations.append(op)
         v2, S2 = builder.get_structptr_var(r, must_have_vtable=True)
         vtable2 = S2._hints['vtable']._as_ptr()
         c_vtable2 = ConstAddr(llmemory.cast_ptr_to_adr(vtable2),
                               builder.cpu)
         op = ResOperation(self.opnum, [v, c_vtable2], None)
         return op, False
Example #10
0
    def test_NotVirtualStateInfo_generalization(self):
        def isgeneral(value1, value2):
            info1 = NotVirtualStateInfo(value1)
            info1.position = 0
            info2 = NotVirtualStateInfo(value2)
            info2.position = 0
            return info1.generalization_of(info2, {}, {})

        assert isgeneral(OptValue(BoxInt()), OptValue(ConstInt(7)))
        assert not isgeneral(OptValue(ConstInt(7)), OptValue(BoxInt()))

        ptr = OptValue(BoxPtr())
        nonnull = OptValue(BoxPtr())
        nonnull.make_nonnull(0)
        knownclass = OptValue(BoxPtr())
        knownclass.make_constant_class(ConstPtr(self.someptr1), 0)
        const = OptValue(BoxPtr)
        const.make_constant_class(ConstPtr(self.someptr1), 0)
        const.make_constant(ConstPtr(self.someptr1))
        inorder = [ptr, nonnull, knownclass, const]
        for i in range(len(inorder)):
            for j in range(i, len(inorder)):
                assert isgeneral(inorder[i], inorder[j])
                if i != j:
                    assert not isgeneral(inorder[j], inorder[i])

        value1 = OptValue(BoxInt())
        value2 = OptValue(BoxInt())
        value2.intbound.make_lt(IntBound(10, 10))
        assert isgeneral(value1, value2)
        assert not isgeneral(value2, value1)

        assert isgeneral(OptValue(ConstInt(7)), OptValue(ConstInt(7)))
        S = lltype.GcStruct('S')
        foo = lltype.malloc(S)
        fooref = lltype.cast_opaque_ptr(llmemory.GCREF, foo)
        assert isgeneral(OptValue(ConstPtr(fooref)),
                         OptValue(ConstPtr(fooref)))
Example #11
0
 def test_bug_setfield_64bit(self):
     if WORD == 4:
         py.test.skip("only for 64 bits")
     TP = lltype.GcStruct('S', ('i', lltype.Signed))
     ofsi = self.cpu.fielddescrof(TP, 'i')
     for i in range(500):
         p = lltype.malloc(TP)
         addr = rffi.cast(lltype.Signed, p)
         if fits_in_32bits(addr):
             break    # fitting in 32 bits, good
     else:
         py.test.skip("cannot get a 32-bit pointer")
     res = ConstPtr(rffi.cast(llmemory.GCREF, addr))
     self.execute_operation(rop.SETFIELD_RAW, [res, ConstInt(3**33)],
                            'void', ofsi)
     assert p.i == 3**33
Example #12
0
 def get_const(self, name, typ):
     if self._consts is None:
         return name
     obj = self._consts[name]
     if self.type_system == 'lltype':
         if typ == 'ptr':
             return ConstPtr(obj)
         else:
             assert typ == 'class'
             return ConstAddr(llmemory.cast_ptr_to_adr(obj), self.cpu)
     else:
         if typ == 'ptr':
             return ConstObj(obj)
         else:
             assert typ == 'class'
             return ConstObj(ootype.cast_to_object(obj))
Example #13
0
def test_wrap():
    def _is(box1, box2):
        return (box1.__class__ == box2.__class__ and box1.value == box2.value)

    p = lltype.malloc(lltype.GcStruct('S'))
    po = lltype.cast_opaque_ptr(llmemory.GCREF, p)
    assert _is(wrap(None, 42), BoxInt(42))
    assert _is(wrap(None, 42.5), boxfloat(42.5))
    assert _is(wrap(None, p), BoxPtr(po))
    assert _is(wrap(None, 42, in_const_box=True), ConstInt(42))
    assert _is(wrap(None, 42.5, in_const_box=True), constfloat(42.5))
    assert _is(wrap(None, p, in_const_box=True), ConstPtr(po))
    if longlong.supports_longlong:
        import sys
        from pypy.rlib.rarithmetic import r_longlong, r_ulonglong
        value = r_longlong(-sys.maxint * 17)
        assert _is(wrap(None, value), BoxFloat(value))
        assert _is(wrap(None, value, in_const_box=True), ConstFloat(value))
        value_unsigned = r_ulonglong(-sys.maxint * 17)
        assert _is(wrap(None, value_unsigned), BoxFloat(value))
    sfval = r_singlefloat(42.5)
    ival = longlong.singlefloat2int(sfval)
    assert _is(wrap(None, sfval), BoxInt(ival))
    assert _is(wrap(None, sfval, in_const_box=True), ConstInt(ival))
Example #14
0
    def setup_class(cls):
        if option.runappdirect:
            py.test.skip("Can't run this test with -A")
        space = gettestobjspace(usemodules=('pypyjit', ))
        cls.space = space
        w_f = space.appexec([], """():
        def function():
            pass
        return function
        """)
        cls.w_f = w_f
        ll_code = cast_instance_to_base_ptr(w_f.code)
        code_gcref = lltype.cast_opaque_ptr(llmemory.GCREF, ll_code)
        logger = Logger(MockSD())

        oplist = parse("""
        [i1, i2, p2]
        i3 = int_add(i1, i2)
        debug_merge_point(0, 0, 0, 0, ConstPtr(ptr0))
        guard_nonnull(p2) []
        guard_true(i3) []
        """,
                       namespace={
                           'ptr0': code_gcref
                       }).operations
        greenkey = [ConstInt(0), ConstInt(0), ConstPtr(code_gcref)]
        offset = {}
        for i, op in enumerate(oplist):
            if i != 1:
                offset[op] = i

        di_loop = JitDebugInfo(MockJitDriverSD, logger, JitCellToken(), oplist,
                               'loop', greenkey)
        di_loop_optimize = JitDebugInfo(MockJitDriverSD, logger,
                                        JitCellToken(), oplist, 'loop',
                                        greenkey)
        di_loop.asminfo = AsmInfo(offset, 0, 0)
        di_bridge = JitDebugInfo(MockJitDriverSD,
                                 logger,
                                 JitCellToken(),
                                 oplist,
                                 'bridge',
                                 fail_descr_no=0)
        di_bridge.asminfo = AsmInfo(offset, 0, 0)

        def interp_on_compile():
            di_loop.oplist = cls.oplist
            pypy_hooks.after_compile(di_loop)

        def interp_on_compile_bridge():
            pypy_hooks.after_compile_bridge(di_bridge)

        def interp_on_optimize():
            di_loop_optimize.oplist = cls.oplist
            pypy_hooks.before_compile(di_loop_optimize)

        def interp_on_abort():
            pypy_hooks.on_abort(ABORT_TOO_LONG, pypyjitdriver, greenkey,
                                'blah')

        cls.w_on_compile = space.wrap(interp2app(interp_on_compile))
        cls.w_on_compile_bridge = space.wrap(
            interp2app(interp_on_compile_bridge))
        cls.w_on_abort = space.wrap(interp2app(interp_on_abort))
        cls.w_int_add_num = space.wrap(rop.INT_ADD)
        cls.w_on_optimize = space.wrap(interp2app(interp_on_optimize))
        cls.orig_oplist = oplist
Example #15
0
def _get_cspecnode(s):
    from pypy.rpython.module.support import LLSupport
    llstr = lltype.cast_opaque_ptr(llmemory.GCREF, LLSupport.to_rstr(s))
    box = ConstPtr(llstr)
    return ConstantSpecNode(box)