35 lines
993 B
Python
35 lines
993 B
Python
from llvm.core import *
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from llvm.tbaa import *
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from llvm.tests.support import TestCase
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import unittest
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class TestTBAABuilder(TestCase):
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def test_tbaa_builder(self):
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mod = Module.new('test_tbaa_builder')
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fty = Type.function(Type.void(), [Type.pointer(Type.float())])
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foo = mod.add_function(fty, 'foo')
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bb = foo.append_basic_block('entry')
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bldr = Builder.new(bb)
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tbaa = TBAABuilder.new(mod, "tbaa.root")
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float = tbaa.get_node('float', const=False)
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const_float = tbaa.get_node('const float', float, const=True)
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tbaa = TBAABuilder.new(mod, "tbaa.root")
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old_const_float = const_float
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del const_float
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const_float = tbaa.get_node('const float', float, const=True)
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self.assertIs(old_const_float, const_float)
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ptr = bldr.load(foo.args[0])
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ptr.set_metadata('tbaa', const_float)
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bldr.ret_void()
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print(mod)
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if __name__ == '__main__':
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unittest.main()
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