diff --git a/llvm/utils/lit/lit/main.py b/llvm/utils/lit/lit/main.py
--- a/llvm/utils/lit/lit/main.py
+++ b/llvm/utils/lit/lit/main.py
@@ -96,17 +96,13 @@
     run_tests(selected_tests, lit_config, opts, len(discovered_tests))
     elapsed = time.time() - start
 
-    # TODO(yln): eventually, all functions below should act on discovered_tests
-    executed_tests = [
-        t for t in selected_tests if t.result.code != lit.Test.SKIPPED]
-
     if opts.time_tests:
         print_histogram(discovered_tests)
 
     print_results(discovered_tests, elapsed, opts)
 
     for report in opts.reports:
-        report.write_results(executed_tests, elapsed)
+        report.write_results(discovered_tests, elapsed)
 
     if lit_config.numErrors:
         sys.stderr.write('\n%d error(s) in tests\n' % lit_config.numErrors)
diff --git a/llvm/utils/lit/lit/reports.py b/llvm/utils/lit/lit/reports.py
--- a/llvm/utils/lit/lit/reports.py
+++ b/llvm/utils/lit/lit/reports.py
@@ -17,7 +17,8 @@
         self.output_file = output_file
 
     def write_results(self, tests, elapsed):
-        assert not any(t.result.code in {lit.Test.EXCLUDED, lit.Test.SKIPPED} for t in tests)
+        unexecuted_codes = {lit.Test.EXCLUDED, lit.Test.SKIPPED}
+        tests = [t for t in tests if t.result.code not in unexecuted_codes]
         # Construct the data we will write.
         data = {}
         # Encode the current lit version as a schema version.
@@ -75,7 +76,6 @@
 
     # TODO(yln): elapsed unused, put it somewhere?
     def write_results(self, tests, elapsed):
-        assert not any(t.result.code in {lit.Test.EXCLUDED, lit.Test.SKIPPED} for t in tests)
         tests.sort(key=by_suite_and_test_path)
         tests_by_suite = itertools.groupby(tests, lambda t: t.suite)
 
@@ -136,4 +136,4 @@
         features = test.getMissingRequiredFeatures()
         if features:
             return 'Missing required feature(s): ' + ', '.join(features)
-        return 'Skipping because of configuration'
+        return 'Unsupported configuration'
diff --git a/llvm/utils/lit/tests/Inputs/xunit-output/dummy_format.py b/llvm/utils/lit/tests/Inputs/xunit-output/dummy_format.py
--- a/llvm/utils/lit/tests/Inputs/xunit-output/dummy_format.py
+++ b/llvm/utils/lit/tests/Inputs/xunit-output/dummy_format.py
@@ -23,6 +23,10 @@
         result = lit.Test.Result(getattr(lit.Test, result_code),
                                  result_output)
 
+        required_feature = cfg.get('global', 'required_feature', fallback=None)
+        if required_feature:
+            test.requires.append(required_feature)
+
         # Load additional metrics.
         for key,value_str in cfg.items('results'):
             value = eval(value_str)
diff --git a/llvm/utils/lit/tests/Inputs/xunit-output/excluded.ini b/llvm/utils/lit/tests/Inputs/xunit-output/excluded.ini
new file mode 100644
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/xunit-output/excluded.ini
@@ -0,0 +1,5 @@
+[global]
+result_code = EXCLUDED
+result_output = not shown
+
+[results]
diff --git a/llvm/utils/lit/tests/Inputs/xunit-output/missing_feature.ini b/llvm/utils/lit/tests/Inputs/xunit-output/missing_feature.ini
new file mode 100644
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/xunit-output/missing_feature.ini
@@ -0,0 +1,7 @@
+[global]
+result_code = UNSUPPORTED
+result_output = not shown
+
+required_feature = dummy_feature
+
+[results]
diff --git a/llvm/utils/lit/tests/Inputs/xunit-output/pass.ini b/llvm/utils/lit/tests/Inputs/xunit-output/pass.ini
new file mode 100644
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/xunit-output/pass.ini
@@ -0,0 +1,5 @@
+[global]
+result_code = PASS
+result_output = not shown
+
+[results]
diff --git a/llvm/utils/lit/tests/Inputs/xunit-output/unsupported.ini b/llvm/utils/lit/tests/Inputs/xunit-output/unsupported.ini
new file mode 100644
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/xunit-output/unsupported.ini
@@ -0,0 +1,5 @@
+[global]
+result_code = UNSUPPORTED
+result_output = not shown
+
+[results]
diff --git a/llvm/utils/lit/tests/shtest-format.py b/llvm/utils/lit/tests/shtest-format.py
--- a/llvm/utils/lit/tests/shtest-format.py
+++ b/llvm/utils/lit/tests/shtest-format.py
@@ -134,7 +134,7 @@
 # XUNIT: <testcase classname="shtest-format.shtest-format" name="unsupported-expr-false.txt" time="{{[0-9]+\.[0-9]+}}"/>
 
 # XUNIT: <testcase classname="shtest-format.shtest-format" name="unsupported-expr-true.txt" time="{{[0-9]+\.[0-9]+}}">
-# XUNIT-NEXT:<skipped message="Skipping because of configuration"/>
+# XUNIT-NEXT:<skipped message="Unsupported configuration"/>
 
 # XUNIT: <testcase classname="shtest-format.shtest-format" name="unsupported-star.txt" time="{{[0-9]+\.[0-9]+}}">
 # XUNIT-NEXT: <failure{{[ ]*}}>
@@ -142,7 +142,7 @@
 # XUNIT-NEXT: </testcase>
 
 # XUNIT: <testcase classname="shtest-format.unsupported_dir" name="some-test.txt" time="{{[0-9]+\.[0-9]+}}">
-# XUNIT-NEXT:<skipped message="Skipping because of configuration"/>
+# XUNIT-NEXT:<skipped message="Unsupported configuration"/>
 
 # XUNIT: <testcase classname="shtest-format.shtest-format" name="xfail-expr-false.txt" time="{{[0-9]+\.[0-9]+}}"/>
 
diff --git a/llvm/utils/lit/tests/xunit-output.py b/llvm/utils/lit/tests/xunit-output.py
--- a/llvm/utils/lit/tests/xunit-output.py
+++ b/llvm/utils/lit/tests/xunit-output.py
@@ -7,10 +7,21 @@
 # RUN: sh -c 'if command -v xmllint 2>/dev/null; then xmllint --noout %t.xunit.xml; fi'
 # RUN: FileCheck < %t.xunit.xml %s
 
-# CHECK: <?xml version="1.0" encoding="UTF-8"?>
-# CHECK: <testsuites>
-# CHECK: <testsuite name="test-data" tests="1" failures="1" skipped="0">
-# CHECK: <testcase classname="test-data.test-data" name="bad&amp;name.ini" time="{{[0-1]}}.{{[0-9]+}}">
-# CHECK-NEXT: <failure><![CDATA[& < > ]]]]><![CDATA[> &"]]></failure>
-# CHECK: </testsuite>
-# CHECK: </testsuites>
+# CHECK:      <?xml version="1.0" encoding="UTF-8"?>
+# CHECK-NEXT: <testsuites>
+# CHECK-NEXT: <testsuite name="test-data" tests="5" failures="1" skipped="3">
+# CHECK-NEXT: <testcase classname="test-data.test-data" name="bad&amp;name.ini" time="{{[0-1]\.[0-9]+}}">
+# CHECK-NEXT:   <failure><![CDATA[& < > ]]]]><![CDATA[> &"]]></failure>
+# CHECK-NEXT: </testcase>
+# CHECK-NEXT: <testcase classname="test-data.test-data" name="excluded.ini" time="{{[0-1]\.[0-9]+}}">
+# CHECK-NEXT:   <skipped message="Test not selected (--filter, --max-tests, --run-shard)"/>
+# CHECK-NEXT: </testcase>
+# CHECK-NEXT: <testcase classname="test-data.test-data" name="missing_feature.ini" time="{{[0-1]\.[0-9]+}}">
+# CHECK-NEXT:   <skipped message="Missing required feature(s): dummy_feature"/>
+# CHECK-NEXT: </testcase>
+# CHECK-NEXT: <testcase classname="test-data.test-data" name="pass.ini" time="{{[0-1]\.[0-9]+}}"/>
+# CHECK-NEXT: <testcase classname="test-data.test-data" name="unsupported.ini" time="{{[0-1]\.[0-9]+}}">
+# CHECK-NEXT:   <skipped message="Unsupported configuration"/>
+# CHECK-NEXT: </testcase>
+# CHECK-NEXT: </testsuite>
+# CHECK-NEXT: </testsuites>