def implementation_begin(self):
SSI_to_SSA(self.graph)
self.collect_var_and_types()
self.blocknum = {}
for block in self.graph.iterblocks():
self.blocknum[block] = len(self.blocknum)
db = self.db
lltypes = identity_dict()
for v in self.vars:
T = v.concretetype
typename = db.gettype(T)
lltypes[v] = T, typename
self.illtypes = lltypes
self.innerloops = {} # maps the loop's header block to a Loop()
for loop in find_inner_loops(self.graph, Bool):
self.innerloops[loop.headblock] = loop
def stack_optimization(self):
for graph in self.translator.graphs:
SSI_to_SSA(graph)
build_trees(graph)