2 Test PHI nodes work in the IR interpreter.
9 from lldbsuite.test.lldbtest import *
10 import lldbsuite.test.lldbutil as lldbutil
13 class IRInterpreterPHINodesTestCase(TestBase):
14 mydir = TestBase.compute_mydir(__file__)
16 def test_phi_node_support(self):
17 """Test support for PHI nodes in the IR interpreter."""
20 exe = os.path.join(os.getcwd(), 'a.out')
21 self.runCmd('file ' + exe, CURRENT_EXECUTABLE_SET)
23 # Break on the first assignment to i
24 line = line_number('main.cpp', 'i = 5')
25 lldbutil.run_break_set_by_file_and_line(
26 self, 'main.cpp', line, num_expected_locations=1, loc_exact=True)
28 self.runCmd('run', RUN_SUCCEEDED)
30 # The stop reason of the thread should be breakpoint
31 self.expect('thread list', STOPPED_DUE_TO_BREAKPOINT,
32 substrs=['stopped', 'stop reason = breakpoint'])
36 # The logical 'or' causes a PHI node to be generated. Execute without JIT
37 # to test that the interpreter can handle this
38 self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['true'])
41 self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['false'])
43 self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['true'])