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from .base import TestBase
from ..core import OpCode
from ..core import MemoryBuffer
from ..core import PassRegistry
from ..core import Context
from ..core import Module
from ..bit_reader import parse_bitcode
class TestCore(TestBase):
def test_opcode(self):
self.assertTrue(hasattr(OpCode, 'Ret'))
self.assertTrue(isinstance(OpCode.Ret, OpCode))
self.assertEqual(OpCode.Ret.value, 1)
op = OpCode.from_value(1)
self.assertTrue(isinstance(op, OpCode))
self.assertEqual(op, OpCode.Ret)
def test_memory_buffer_create_from_file(self):
source = self.get_test_file()
MemoryBuffer(filename=source)
def test_memory_buffer_failing(self):
with self.assertRaises(Exception):
MemoryBuffer(filename="/hopefully/this/path/doesnt/exist")
def test_memory_buffer_len(self):
source = self.get_test_file()
m = MemoryBuffer(filename=source)
self.assertEqual(len(m), 50)
def test_create_passregistry(self):
PassRegistry()
def test_create_context(self):
Context.GetGlobalContext()
def test_create_module_with_name(self):
# Make sure we can not create a module without a LLVMModuleRef.
with self.assertRaises(TypeError):
m = Module()
m = Module.CreateWithName("test-module")
def test_module_getset_datalayout(self):
m = Module.CreateWithName("test-module")
dl = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
m.datalayout = dl
self.assertEqual(m.datalayout, dl)
def test_module_getset_target(self):
m = Module.CreateWithName("test-module")
target = "thumbv7-apple-ios5.0.0"
m.target = target
self.assertEqual(m.target, target)
def test_module_print_module_to_file(self):
m = Module.CreateWithName("test")
dl = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
m.datalayout = dl
target = "thumbv7-apple-ios5.0.0"
m.target = target
m.print_module_to_file("test2.ll")
def test_module_function_iteration(self):
m = parse_bitcode(MemoryBuffer(filename=self.get_test_bc()))
i = 0
functions = ["f", "f2", "f3", "f4", "f5", "f6", "g1", "g2", "h1", "h2",
"h3"]
# Forward
for f in m:
self.assertEqual(f.name, functions[i])
f.dump()
i += 1
# Backwards
for f in reversed(m):
i -= 1
self.assertEqual(f.name, functions[i])
f.dump()
def test_function_basicblock_iteration(self):
m = parse_bitcode(MemoryBuffer(filename=self.get_test_bc()))
i = 0
bb_list = ['b1', 'b2', 'end']
f = m.first
while f.name != "f6":
f = f.next
# Forward
for bb in f:
self.assertEqual(bb.name, bb_list[i])
bb.dump()
i += 1
# Backwards
for bb in reversed(f):
i -= 1
self.assertEqual(bb.name, bb_list[i])
bb.dump()
def test_basicblock_instruction_iteration(self):
m = parse_bitcode(MemoryBuffer(filename=self.get_test_bc()))
i = 0
inst_list = [('arg1', OpCode.ExtractValue),
('arg2', OpCode.ExtractValue),
('', OpCode.Call),
('', OpCode.Ret)]
bb = m.first.first
# Forward
for inst in bb:
self.assertEqual(inst.name, inst_list[i][0])
self.assertEqual(inst.opcode, inst_list[i][1])
for op in range(len(inst)):
o = inst.get_operand(op)
print o.name
o.dump()
inst.dump()
i += 1
# Backwards
for inst in reversed(bb):
i -= 1
self.assertEqual(inst.name, inst_list[i][0])
self.assertEqual(inst.opcode, inst_list[i][1])
inst.dump()
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