def copy_module(module, temper=None):
raise NotImplementedError("not finished, needs to insert all functions"
"in valuemap first")
new_module = Module(temper=temper)
valuemap = {}
### Copy Globals
for name, gv in module.globals.iteritems():
name = new_module.temp(name)
new_global = GlobalValue(name, gv.type, gv.external, gv.address,
gv.value)
new_module.add_global(new_global)
valuemap[gv] = new_global
### Copy Functions
for name, func in module.functions.iteritems():
new_func, _ = copy_function(func, module=new_module)
new_func.name = new_module.temp(name)
new_module.add_function(new_func)
valuemap[func] = new_func
return new_module
def assign(self, varname, rhs):
if self.in_function:
# Local variable
type = self.local_vars[varname]
self.assignvar(varname, self.visit(rhs, type=type))
else:
# Global variable
type = self.global_vars[varname]
self.mod.add_global(
GlobalValue(varname,
type=self.type,
value=self.visit(rhs, type=type)))
def visit_Decl(self, decl):
if decl.name in self.vars:
error(decl, "Var '%s' already declared!" % (decl.name, ))
type = self.visit(decl.type)
self.vars[decl.name] = type
if decl.init:
self.assign(decl.name, decl.init)
elif not self.in_function:
extern = decl.storage == 'external'
self.mod.add_global(GlobalValue(decl.name, type, external=extern))
return type
def lower_into_runtime(self, op, insert_decl=False):
"""
Lower op into a runtime call.
:param decl: Whether to insert an external declaration if not present
"""
_verify_args(op)
if insert_decl and not self.mod.get_global(op.opcode):
signature = types.Function(op.type, [arg.type for arg in op.args])
self.mod.add_global(
GlobalValue(op.opcode, signature, external=True))
call = self.builder.gen_call_external(op.opcode, op.args, op.result)
op.replace(call)
def _build_global(type, args):
return GlobalValue(args[1], args[3])