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