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Add methods to set volatile inst.

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This commit is contained in:
Siu Kwan Lam 2012-08-02 16:51:42 -07:00
commit 9d068fd582
3 changed files with 70 additions and 4 deletions
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test/volatile.py Normal file
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from llvm.core import *
import unittest
class TestVolatile(unittest.TestCase):
def test_volatile(self):
mod = Module.new('mod')
functype = Type.function(Type.void(), [])
func = mod.add_function(functype, name='foo')
bb = func.append_basic_block('entry')
bldr = Builder.new(bb)
ptr = bldr.alloca(Type.int())
# test load inst
val = bldr.load(ptr)
self.assertFalse(val.is_volatile, "default must be non-volatile")
val.set_volatile(True)
self.assertTrue(val.is_volatile, "fail to set volatile")
val.set_volatile(False)
self.assertFalse(val.is_volatile, "fail to unset volatile")
# test store inst
store_inst = bldr.store(val, ptr)
self.assertFalse(store_inst.is_volatile, "default must be non-volatile")
store_inst.set_volatile(True)
self.assertTrue(store_inst.is_volatile, "fail to set volatile")
store_inst.set_volatile(False)
self.assertFalse(store_inst.is_volatile, "fail to unset volatile")
def test_volatile_another(self):
mod = Module.new('mod')
functype = Type.function(Type.void(), [])
func = mod.add_function(functype, name='foo')
bb = func.append_basic_block('entry')
bldr = Builder.new(bb)
ptr = bldr.alloca(Type.int())
# test load inst
val = bldr.load(ptr, volatile=True)
self.assertTrue(val.is_volatile, "volatile kwarg does not work")
val.set_volatile(False)
self.assertFalse(val.is_volatile, "fail to unset volatile")
val.set_volatile(True)
self.assertTrue(val.is_volatile, "fail to set volatile")
# test store inst
store_inst = bldr.store(val, ptr, volatile=True)
self.assertTrue(store_inst.is_volatile, "volatile kwarg does not work")
store_inst.set_volatile(False)
self.assertFalse(store_inst.is_volatile, "fail to unset volatile")
store_inst.set_volatile(True)
self.assertTrue(store_inst.is_volatile, "fail to set volatile")
if __name__ == '__main__':
unittest.main()