Index: utils/lit/lit/Test.py
===================================================================
--- utils/lit/lit/Test.py
+++ utils/lit/lit/Test.py
@@ -1,4 +1,5 @@
 import os
+from xml.sax.saxutils import escape
 
 # Test result codes.
 
@@ -194,3 +195,14 @@
                 return True
 
         return False
+
+    def getJUnitXML(self):
+        xml = "<testcase classname='" + ".".join(self.path_in_suite)
+        xml += "' name='" + '/'.join(self.path_in_suite) + "'"
+        if self.result.code.isFailure:
+          xml += ">\n\t<failure >\n" + escape(self.result.output)
+          xml += "\n\t</failure>\n</testcase>"
+        else:
+          xml += "/>"
+        return xml
+
Index: utils/lit/lit/main.py
===================================================================
--- utils/lit/lit/main.py
+++ utils/lit/lit/main.py
@@ -236,6 +236,9 @@
     group.add_option("", "--use-threads", dest="useProcesses",
                       help="Run tests in parallel with threads (not processes)",
                       action="store_false", default=useProcessesIsDefault)
+    group.add_option("", "--junit-xml-output", dest="xmlFile",
+                      help=("Write JUnit-compatible XML test reports to the"
+                            " specified file"), default=None)
     parser.add_option_group(group)
 
     (opts, args) = parser.parse_args()
@@ -418,6 +421,35 @@
         N = len(byCode.get(code,[]))
         if N:
             print('  %s: %d' % (name,N))
+    if opts.xmlFile:
+        # Collect the tests, indexed by test suite
+        bySuite = {}
+        for t in run.tests:
+            suite = t.suite.config.name
+            if suite not in bySuite:
+                bySuite[suite] = {
+                                   'passes'   : 0,
+                                   'failures' : 0,
+                                   'tests'    : [] }
+            bySuite[suite]['tests'].append(t)
+            if t.result.code.isFailure:
+                bySuite[suite]['failures'] += 1
+            else:
+                bySuite[suite]['passes'] += 1
+        xmlFile = open(opts.xmlFile, "w")
+        xmlFile.write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n")
+        xmlFile.write("<testsuites>\n")
+        for suiteName in bySuite:
+            s = bySuite[suiteName]
+            xmlFile.write("<testsuite name='" + suiteName + "'")
+            xmlFile.write(" tests='" + str(s['passes'] + s['failures']) + "'")
+            xmlFile.write(" failures='" + str(s['failures']) + "'>\n")
+            for t in s['tests']:
+                xmlFile.write(t.getJUnitXML() + "\n")
+            xmlFile.write("</testsuite>\n")
+        xmlFile.write("</testsuites>")
+        xmlFile.close()
+
 
     # If we encountered any additional errors, exit abnormally.
     if litConfig.numErrors: