Author: Maciej Fijalkowski <fij...@gmail.com>
Branch:
Changeset: r48455:de02b302dd89
Date: 2011-10-25 22:32 +0200
http://bitbucket.org/pypy/pypy/changeset/de02b302dd89/
Log: progress towards get/set interiorfield in test_ll_random
diff --git a/pypy/jit/backend/test/test_ll_random.py
b/pypy/jit/backend/test/test_ll_random.py
--- a/pypy/jit/backend/test/test_ll_random.py
+++ b/pypy/jit/backend/test/test_ll_random.py
@@ -28,16 +28,27 @@
fork.structure_types_and_vtables = self.structure_types_and_vtables
return fork
- def get_structptr_var(self, r, must_have_vtable=False, type=lltype.Struct):
+ def _choose_ptr_vars(self, from_, type, array_of_structs):
+ ptrvars = []
+ for i in range(len(from_)):
+ v, S = from_[i][:2]
+ if not isinstance(S, type):
+ continue
+ if (isinstance(S, lltype.Array) and
+ isinstance(S.OF, lltype.Struct) == array_of_structs):
+ ptrvars.append((v, S))
+ return ptrvars
+
+ def get_structptr_var(self, r, must_have_vtable=False, type=lltype.Struct,
+ array_of_structs=False):
while True:
- ptrvars = [(v, S) for (v, S) in self.ptrvars
- if isinstance(S, type)]
+ ptrvars = self._choose_ptr_vars(self.ptrvars, type,
+ array_of_structs)
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)]
+ prebuilt_ptr_consts = self._choose_ptr_vars(
+ self.prebuilt_ptr_consts, type, array_of_structs)
if prebuilt_ptr_consts and r.random() < 0.7:
v, S = r.choice(prebuilt_ptr_consts)
else:
@@ -48,7 +59,8 @@
has_vtable=must_have_vtable)
else:
# create a new constant array
- p = self.get_random_array(r)
+ p = self.get_random_array(r,
+ must_be_array_of_structs=array_of_structs)
S = lltype.typeOf(p).TO
v = ConstPtr(lltype.cast_opaque_ptr(llmemory.GCREF, p))
self.prebuilt_ptr_consts.append((v, S,
@@ -74,7 +86,8 @@
TYPE = lltype.Signed
return TYPE
- def get_random_structure_type(self, r, with_vtable=None, cache=True):
+ def get_random_structure_type(self, r, with_vtable=None, cache=True,
+ type=lltype.GcStruct):
if cache and self.structure_types and r.random() < 0.5:
return r.choice(self.structure_types)
fields = []
@@ -85,7 +98,7 @@
for i in range(r.randrange(1, 5)):
TYPE = self.get_random_primitive_type(r)
fields.append(('f%d' % i, TYPE))
- S = lltype.GcStruct('S%d' % self.counter, *fields, **kwds)
+ S = type('S%d' % self.counter, *fields, **kwds)
self.counter += 1
if cache:
self.structure_types.append(S)
@@ -125,17 +138,29 @@
setattr(p, fieldname, rffi.cast(TYPE, r.random_integer()))
return p
- def get_random_array_type(self, r):
- TYPE = self.get_random_primitive_type(r)
+ def get_random_array_type(self, r, can_be_array_of_struct=False,
+ must_be_array_of_structs=False):
+ if ((can_be_array_of_struct and r.random() < 0.1) or
+ must_be_array_of_structs):
+ TYPE = self.get_random_structure_type(r, cache=False,
+ type=lltype.Struct)
+ else:
+ TYPE = self.get_random_primitive_type(r)
return lltype.GcArray(TYPE)
- def get_random_array(self, r):
- A = self.get_random_array_type(r)
+ def get_random_array(self, r, must_be_array_of_structs=False):
+ A = self.get_random_array_type(r,
+ must_be_array_of_structs=must_be_array_of_structs)
length = (r.random_integer() // 15) % 300 # length: between 0 and 299
# likely to be small
p = lltype.malloc(A, length)
- for i in range(length):
- p[i] = rffi.cast(A.OF, r.random_integer())
+ if isinstance(A.OF, lltype.Primitive):
+ for i in range(length):
+ p[i] = rffi.cast(A.OF, r.random_integer())
+ else:
+ for i in range(length):
+ for fname, TP in A.OF._flds.iteritems():
+ setattr(p[i], fname, rffi.cast(TP, r.random_integer()))
return p
def get_index(self, length, r):
@@ -220,7 +245,7 @@
class GetFieldOperation(test_random.AbstractOperation):
def field_descr(self, builder, r):
- v, S = builder.get_structptr_var(r)
+ v, S = builder.get_structptr_var(r, )
names = S._names
if names[0] == 'parent':
names = names[1:]
@@ -239,6 +264,31 @@
continue
break
+class GetInteriorFieldOperation(test_random.AbstractOperation):
+ def field_descr(self, builder, r):
+ v, A = builder.get_structptr_var(r, type=lltype.Array,
+ array_of_structs=True)
+ array = v.getref(lltype.Ptr(A))
+ v_index = builder.get_index(len(array), r)
+ names = A.OF._names
+ if names[0] == 'parent':
+ names = names[1:]
+ name = r.choice(names)
+ descr = builder.cpu.interiorfielddescrof(A, name)
+ descr._random_info = 'cpu.interiorfielddescrof(%s, %r)' % (A.OF._name,
+ name)
+ TYPE = getattr(A.OF, name)
+ return v, v_index, descr, TYPE
+
+ def produce_into(self, builder, r):
+ while True:
+ try:
+ v, v_index, descr, _ = self.field_descr(builder, r)
+ self.put(builder, [v, v_index], descr)
+ except lltype.UninitializedMemoryAccess:
+ continue
+ break
+
class SetFieldOperation(GetFieldOperation):
def produce_into(self, builder, r):
v, descr, TYPE = self.field_descr(builder, r)
@@ -251,6 +301,20 @@
break
builder.do(self.opnum, [v, w], descr)
+class SetInteriorFieldOperation(GetFieldOperation):
+ def produce_into(self, builder, r):
+ import pdb
+ pdb.set_trace()
+ v, descr, TYPE = self.field_descr(builder, r)
+ while True:
+ if r.random() < 0.3:
+ w = ConstInt(r.random_integer())
+ else:
+ w = r.choice(builder.intvars)
+ if rffi.cast(lltype.Signed, rffi.cast(TYPE, w.value)) == w.value:
+ break
+ builder.do(self.opnum, [v, w], descr)
+
class NewOperation(test_random.AbstractOperation):
def size_descr(self, builder, S):
descr = builder.cpu.sizeof(S)
@@ -306,7 +370,7 @@
class NewArrayOperation(ArrayOperation):
def produce_into(self, builder, r):
- A = builder.get_random_array_type(r)
+ A = builder.get_random_array_type(r, can_be_array_of_struct=True)
v_size = builder.get_index(300, r)
v_ptr = builder.do(self.opnum, [v_size], self.array_descr(builder, A))
builder.ptrvars.append((v_ptr, A))
@@ -586,7 +650,9 @@
for i in range(4): # make more common
OPERATIONS.append(GetFieldOperation(rop.GETFIELD_GC))
OPERATIONS.append(GetFieldOperation(rop.GETFIELD_GC))
+ OPERATIONS.append(GetInteriorFieldOperation(rop.GETINTERIORFIELD_GC))
OPERATIONS.append(SetFieldOperation(rop.SETFIELD_GC))
+ #OPERATIONS.append(SetInteriorFieldOperation(rop.GETINTERIORFIELD_GC))
OPERATIONS.append(NewOperation(rop.NEW))
OPERATIONS.append(NewOperation(rop.NEW_WITH_VTABLE))
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