1 files changed, 94 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/ir-interpreter/TestIRInterpreter.py b/lldb/packages/Python/lldbsuite/test/commands/expression/ir-interpreter/TestIRInterpreter.py
new file mode 100644
index 00000000000..509e3fbd6d0
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/commands/expression/ir-interpreter/TestIRInterpreter.py
@@ -0,0 +1,94 @@
+"""
+Test the IR interpreter
+"""
+
+from __future__ import print_function
+
+import unittest2
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class IRInterpreterTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break for main.c.
+        self.line = line_number('main.c',
+                                '// Set breakpoint here')
+
+        # Disable confirmation prompt to avoid infinite wait
+        self.runCmd("settings set auto-confirm true")
+        self.addTearDownHook(
+            lambda: self.runCmd("settings clear auto-confirm"))
+
+    def build_and_run(self):
+        """Test the IR interpreter"""
+        self.build()
+
+        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.c", self.line, num_expected_locations=1, loc_exact=False)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+    @add_test_categories(['pyapi'])
+    # getpid() is POSIX, among other problems, see bug
+    @expectedFailureAll(
+        oslist=['windows'],
+        bugnumber="http://llvm.org/pr21765")
+    @expectedFailureNetBSD
+    @expectedFailureAll(
+        oslist=['linux'],
+        archs=['arm'],
+        bugnumber="llvm.org/pr27868")
+    def test_ir_interpreter(self):
+        self.build_and_run()
+
+        options = lldb.SBExpressionOptions()
+        options.SetLanguage(lldb.eLanguageTypeC_plus_plus)
+
+        set_up_expressions = ["int $i = 9", "int $j = 3", "int $k = 5"]
+
+        expressions = ["$i + $j",
+                       "$i - $j",
+                       "$i * $j",
+                       "$i / $j",
+                       "$i % $k",
+                       "$i << $j",
+                       "$i & $j",
+                       "$i | $j",
+                       "$i ^ $j"]
+
+        for expression in set_up_expressions:
+            self.frame().EvaluateExpression(expression, options)
+
+        for expression in expressions:
+            interp_expression = expression
+            jit_expression = "(int)getpid(); " + expression
+
+            interp_result = self.frame().EvaluateExpression(
+                interp_expression, options).GetValueAsSigned()
+            jit_result = self.frame().EvaluateExpression(
+                jit_expression, options).GetValueAsSigned()
+
+            self.assertEqual(
+                interp_result,
+                jit_result,
+                "While evaluating " +
+                expression)
+
+    def test_type_conversions(self):
+        target = self.dbg.GetDummyTarget()
+        short_val = target.EvaluateExpression("(short)-1")
+        self.assertEqual(short_val.GetValueAsSigned(), -1)
+        long_val = target.EvaluateExpression("(long) "+ short_val.GetName())
+        self.assertEqual(long_val.GetValueAsSigned(), -1)