llvmpy/test/objcache.py
2012-08-19 01:27:42 -05:00

115 lines
3.3 KiB
Python

#!/usr/bin/env python
from llvm.core import *
import logging, sys, unittest
class TestObjCache(unittest.TestCase):
if sys.version_info[:2] < (2, 7):
def assertIs(self, expr1, expr2, msg=None):
if expr1 is not expr2:
standardMsg = '%s is not %s' % (safe_repr(expr1),
safe_repr(expr2))
self.fail(self._formatMessage(msg, standardMsg))
def test_objcache(self):
logging.debug("Testing module aliasing ..")
m1 = Module.new('a')
t = Type.int()
ft = Type.function(t, [t])
f1 = m1.add_function(ft, "func")
m2 = f1.module
self.assertIs(m1, m2)
logging.debug("Testing global vairable aliasing 1 .. ")
gv1 = GlobalVariable.new(m1, t, "gv")
gv2 = GlobalVariable.get(m1, "gv")
self.assertIs(gv1, gv2)
logging.debug("Testing global vairable aliasing 2 .. ")
gv3 = m1.global_variables[0]
self.assertIs(gv1, gv3)
logging.debug("Testing global vairable aliasing 3 .. ")
gv2 = None
gv3 = None
gv1.delete()
gv4 = GlobalVariable.new(m1, t, "gv")
self.assert_(gv1 is not gv4)
logging.debug("Testing function aliasing 1 ..")
b1 = f1.append_basic_block('entry')
f2 = b1.function
self.assertIs(f1, f2)
logging.debug("Testing function aliasing 2 ..")
f3 = m1.get_function_named("func")
self.assertIs(f1, f3)
logging.debug("Testing function aliasing 3 ..")
f4 = Function.get_or_insert(m1, ft, "func")
self.assertIs(f1, f4)
logging.debug("Testing function aliasing 4 ..")
f5 = Function.get(m1, "func")
self.assertIs(f1, f5)
logging.debug("Testing function aliasing 5 ..")
f6 = m1.get_or_insert_function(ft, "func")
self.assertIs(f1, f6)
logging.debug("Testing function aliasing 6 ..")
f7 = m1.functions[0]
self.assertIs(f1, f7)
logging.debug("Testing argument aliasing .. ")
a1 = f1.args[0]
a2 = f1.args[0]
self.assertIs(a1, a2)
logging.debug("Testing basic block aliasing 1 .. ")
b2 = f1.basic_blocks[0]
self.assertIs(b1, b2)
logging.debug("Testing basic block aliasing 2 .. ")
b3 = f1.get_entry_basic_block()
self.assertIs(b1, b3)
logging.debug("Testing basic block aliasing 3 .. ")
b31 = f1.entry_basic_block
self.assertIs(b1, b31)
logging.debug("Testing basic block aliasing 4 .. ")
bldr = Builder.new(b1)
b4 = bldr.basic_block
self.assertIs(b1, b4)
logging.debug("Testing basic block aliasing 5 .. ")
i1 = bldr.ret_void()
b5 = i1.basic_block
self.assertIs(b1, b5)
logging.debug("Testing instruction aliasing 1 .. ")
i2 = b5.instructions[0]
self.assertIs(i1, i2)
# phi node
phi = bldr.phi(t)
phi.add_incoming(f1.args[0], b1)
v2 = phi.get_incoming_value(0)
b6 = phi.get_incoming_block(0)
logging.debug("Testing PHI / basic block aliasing 5 .. ")
self.assertIs(b1, b6)
logging.debug("Testing PHI / value aliasing .. ")
self.assertIs(f1.args[0], v2)
if __name__ == '__main__':
unittest.main()