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3fe7158174
This allows expressions such as 'i == 1 || i == 2` to be executed using the IR interpreter, instead of relying on JIT code injection (which may not be available on some platforms). Patch by cameron314 Differential Revision: http://reviews.llvm.org/D19124 llvm-svn: 269340
41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
"""
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Test PHI nodes work in the IR interpreter.
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"""
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import os, os.path
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import lldb
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from lldbsuite.test.lldbtest import *
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import lldbsuite.test.lldbutil as lldbutil
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class IRInterpreterPHINodesTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def test_phi_node_support(self):
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"""Test support for PHI nodes in the IR interpreter."""
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self.build()
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exe = os.path.join(os.getcwd(), 'a.out')
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self.runCmd('file ' + exe, CURRENT_EXECUTABLE_SET)
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# Break on the first assignment to i
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line = line_number('main.cpp', 'i = 5')
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lldbutil.run_break_set_by_file_and_line(self, 'main.cpp', line, num_expected_locations=1, loc_exact=True)
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self.runCmd('run', RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint
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self.expect('thread list', STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped', 'stop reason = breakpoint'])
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self.runCmd('s')
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# The logical 'or' causes a PHI node to be generated. Execute without JIT
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# to test that the interpreter can handle this
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self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['true'])
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self.runCmd('s')
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self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['false'])
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self.runCmd('s')
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self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['true'])
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