def test_replace_exitswitch_by_constant_bug():
class X:
pass
def constant9():
x = X()
x.n = 3
x.n = 9
return x.n
def fn():
n = constant9()
if n == 1: return 5
elif n == 2: return 6
elif n == 3: return 8
elif n == 4: return -123
elif n == 5: return 12973
else: return n
t = TranslationContext()
a = t.buildannotator()
a.build_types(fn, [])
rtyper = t.buildrtyper()
rtyper.specialize()
graph = t.graphs[0]
remove_same_as(graph)
merge_if_blocks_once(graph)
from rpython.translator.backendopt import malloc, inline
inline.auto_inlining(t, 20)
malloc.remove_mallocs(t, t.graphs)
from rpython.translator import simplify
simplify.join_blocks(graph)
def inline_malloc_removal_phase(config, translator, graphs, inline_threshold,
inline_heuristic,
call_count_pred=None,
inline_graph_from_anywhere=False):
# inline functions in each other
if inline_threshold:
log.inlining("phase with threshold factor: %s" % inline_threshold)
log.inlining("heuristic: %s.%s" % (inline_heuristic.__module__,
inline_heuristic.__name__))
inline.auto_inline_graphs(translator, graphs, inline_threshold,
heuristic=inline_heuristic,
call_count_pred=call_count_pred,
inline_graph_from_anywhere=inline_graph_from_anywhere)
if config.print_statistics:
print "after inlining:"
print_statistics(translator.graphs[0], translator)
# vaporize mallocs
if config.mallocs:
log.malloc("starting malloc removal")
remove_mallocs(translator, graphs)
if config.print_statistics:
print "after malloc removal:"
print_statistics(translator.graphs[0], translator)
def test_replace_exitswitch_by_constant_bug():
class X:
pass
def constant9():
x = X()
x.n = 3
x.n = 9
return x.n
def fn():
n = constant9()
if n == 1: return 5
elif n == 2: return 6
elif n == 3: return 8
elif n == 4: return -123
elif n == 5: return 12973
else: return n
t = TranslationContext()
a = t.buildannotator()
a.build_types(fn, [])
rtyper = t.buildrtyper()
rtyper.specialize()
graph = t.graphs[0]
remove_same_as(graph)
merge_if_blocks_once(graph)
from rpython.translator.backendopt import malloc, inline
inline.auto_inlining(t, 20)
malloc.remove_mallocs(t, t.graphs)
from rpython.translator import simplify
simplify.join_blocks(graph)
def inline_malloc_removal_phase(config, translator, graphs, inline_threshold,
inline_heuristic,
call_count_pred=None,
inline_graph_from_anywhere=False):
# inline functions in each other
if inline_threshold:
log.inlining("phase with threshold factor: %s" % inline_threshold)
log.inlining("heuristic: %s.%s" % (inline_heuristic.__module__,
inline_heuristic.__name__))
inline.auto_inline_graphs(translator, graphs, inline_threshold,
heuristic=inline_heuristic,
call_count_pred=call_count_pred,
inline_graph_from_anywhere=inline_graph_from_anywhere)
if config.print_statistics:
print "after inlining:"
print_statistics(translator.graphs[0], translator)
# vaporize mallocs
if config.mallocs:
log.malloc("starting malloc removal")
remove_mallocs(translator, graphs)
if config.print_statistics:
print "after malloc removal:"
print_statistics(translator.graphs[0], translator)
def finish_helpers(self, **kwds):
GCTransformer.finish_helpers(self, **kwds)
from rpython.translator.backendopt.malloc import remove_mallocs
seen = {}
graphs = []
for fptr in self.static_deallocator_funcptrs.itervalues():
graph = fptr._obj.graph
if graph in seen:
continue
seen[graph] = True
graphs.append(graph)
remove_mallocs(self.translator, graphs)
def finish_helpers(self, **kwds):
GCTransformer.finish_helpers(self, **kwds)
from rpython.translator.backendopt.malloc import remove_mallocs
seen = {}
graphs = []
for fptr in self.static_deallocator_funcptrs.itervalues():
graph = fptr._obj.graph
if graph in seen:
continue
seen[graph] = True
graphs.append(graph)
remove_mallocs(self.translator, graphs)
