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-rw-r--r--packages/Python/lldbsuite/test/expression_command/ir-interpreter-phi-nodes/TestIRInterpreterPHINodes.py40
1 files changed, 40 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/expression_command/ir-interpreter-phi-nodes/TestIRInterpreterPHINodes.py b/packages/Python/lldbsuite/test/expression_command/ir-interpreter-phi-nodes/TestIRInterpreterPHINodes.py
new file mode 100644
index 000000000000..c4f176703225
--- /dev/null
+++ b/packages/Python/lldbsuite/test/expression_command/ir-interpreter-phi-nodes/TestIRInterpreterPHINodes.py
@@ -0,0 +1,40 @@
+"""
+Test PHI nodes work in the IR interpreter.
+"""
+
+import os, os.path
+
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class IRInterpreterPHINodesTestCase(TestBase):
+ mydir = TestBase.compute_mydir(__file__)
+
+ def test_phi_node_support(self):
+ """Test support for PHI nodes in the IR interpreter."""
+
+ self.build()
+ exe = os.path.join(os.getcwd(), 'a.out')
+ self.runCmd('file ' + exe, CURRENT_EXECUTABLE_SET)
+
+ # Break on the first assignment to i
+ line = line_number('main.cpp', 'i = 5')
+ lldbutil.run_break_set_by_file_and_line(self, 'main.cpp', line, num_expected_locations=1, loc_exact=True)
+
+ self.runCmd('run', RUN_SUCCEEDED)
+
+ # The stop reason of the thread should be breakpoint
+ self.expect('thread list', STOPPED_DUE_TO_BREAKPOINT,
+ substrs = ['stopped', 'stop reason = breakpoint'])
+
+ self.runCmd('s')
+
+ # The logical 'or' causes a PHI node to be generated. Execute without JIT
+ # to test that the interpreter can handle this
+ self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['true'])
+
+ self.runCmd('s')
+ self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['false'])
+ self.runCmd('s')
+ self.expect('expr -j 0 -- i == 3 || i == 5', substrs=['true'])