diff --git a/lib/Support/Timer.cpp b/lib/Support/Timer.cpp
index afe9104274b..4dbb34c8a94 100644
--- a/lib/Support/Timer.cpp
+++ b/lib/Support/Timer.cpp
@@ -199,7 +199,7 @@ void Timer::addPeakMemoryMeasurement() {
 
 
 static void printVal(double Val, double Total, raw_ostream &OS) {
-  if (Total < 1e-7)   // Avoid dividing by zero...
+  if (Total < 1e-7)   // Avoid dividing by zero.
     OS << "        -----     ";
   else {
     OS << "  " << format("%7.4f", Val) << " (";
@@ -285,7 +285,7 @@ NamedRegionTimer::NamedRegionTimer(const std::string &Name,
 //   TimerGroup Implementation
 //===----------------------------------------------------------------------===//
 
-// GetLibSupportInfoOutputFile - Return a file stream to print our output on...
+// GetLibSupportInfoOutputFile - Return a file stream to print our output on.
 raw_ostream *
 llvm::GetLibSupportInfoOutputFile() {
   std::string &LibSupportInfoOutputFilename = getLibSupportInfoOutputFilename();
@@ -324,14 +324,14 @@ void TimerGroup::removeTimer() {
   raw_ostream *OutStream = GetLibSupportInfoOutputFile();
 
   ++NumTimers;
-  {  // Scope to contain Total timer... don't allow total timer to drop us to
-     // zero timers...
+  {  // Scope to contain Total timer: don't allow total timer to drop us to
+     // zero timers.
     Timer Total("TOTAL");
 
     for (unsigned i = 0, e = TimersToPrint.size(); i != e; ++i)
       Total.sum(TimersToPrint[i]);
 
-    // Print out timing header...
+    // Print out timing header.
     *OutStream << "===" << std::string(73, '-') << "===\n"
                << std::string(Padding, ' ') << Name << "\n"
                << "===" << std::string(73, '-')
@@ -361,7 +361,7 @@ void TimerGroup::removeTimer() {
       *OutStream << "  -PeakMem-";
     *OutStream << "  --- Name ---\n";
 
-    // Loop through all of the timing data, printing it out...
+    // Loop through all of the timing data, printing it out.
     for (unsigned i = 0, e = TimersToPrint.size(); i != e; ++i)
       TimersToPrint[i].print(Total, *OutStream);
 
@@ -374,7 +374,7 @@ void TimerGroup::removeTimer() {
   TimersToPrint.clear();
 
   if (OutStream != &errs() && OutStream != &outs() && OutStream != &dbgs())
-    delete OutStream;   // Close the file...
+    delete OutStream;   // Close the file.
 }
 
 void TimerGroup::addTimer() {