1 files changed, 40 insertions, 5 deletions
diff --git a/contrib/llvm-project/llvm/lib/Support/Chrono.cpp b/contrib/llvm-project/llvm/lib/Support/Chrono.cpp
index 859ece8f5500..993d200675fe 100644
--- a/contrib/llvm-project/llvm/lib/Support/Chrono.cpp
+++ b/contrib/llvm-project/llvm/lib/Support/Chrono.cpp
@@ -40,6 +40,24 @@ static inline struct tm getStructTM(TimePoint<> TP) {
   return Storage;
 }
 
+static inline struct tm getStructTMUtc(UtcTime<> TP) {
+  struct tm Storage;
+  std::time_t OurTime = toTimeT(TP);
+
+#if defined(LLVM_ON_UNIX)
+  struct tm *LT = ::gmtime_r(&OurTime, &Storage);
+  assert(LT);
+  (void)LT;
+#endif
+#if defined(_WIN32)
+  int Error = ::gmtime_s(&Storage, &OurTime);
+  assert(!Error);
+  (void)Error;
+#endif
+
+  return Storage;
+}
+
 raw_ostream &operator<<(raw_ostream &OS, TimePoint<> TP) {
   struct tm LT = getStructTM(TP);
   char Buffer[sizeof("YYYY-MM-DD HH:MM:SS")];
@@ -50,12 +68,10 @@ raw_ostream &operator<<(raw_ostream &OS, TimePoint<> TP) {
                                .count()));
 }
 
-void format_provider<TimePoint<>>::format(const TimePoint<> &T, raw_ostream &OS,
-                                          StringRef Style) {
+template <class T>
+static void format(const T &Fractional, struct tm &LT, raw_ostream &OS,
+                   StringRef Style) {
   using namespace std::chrono;
-  TimePoint<seconds> Truncated = time_point_cast<seconds>(T);
-  auto Fractional = T - Truncated;
-  struct tm LT = getStructTM(Truncated);
   // Handle extensions first. strftime mangles unknown %x on some platforms.
   if (Style.empty()) Style = "%Y-%m-%d %H:%M:%S.%N";
   std::string Format;
@@ -90,4 +106,23 @@ void format_provider<TimePoint<>>::format(const TimePoint<> &T, raw_ostream &OS,
   OS << (Len ? Buffer : "BAD-DATE-FORMAT");
 }
 
+void format_provider<UtcTime<std::chrono::seconds>>::format(
+    const UtcTime<std::chrono::seconds> &T, raw_ostream &OS, StringRef Style) {
+  using namespace std::chrono;
+  UtcTime<seconds> Truncated =
+      UtcTime<seconds>(duration_cast<seconds>(T.time_since_epoch()));
+  auto Fractional = T - Truncated;
+  struct tm LT = getStructTMUtc(Truncated);
+  llvm::format(Fractional, LT, OS, Style);
+}
+
+void format_provider<TimePoint<>>::format(const TimePoint<> &T, raw_ostream &OS,
+                                          StringRef Style) {
+  using namespace std::chrono;
+  TimePoint<seconds> Truncated = time_point_cast<seconds>(T);
+  auto Fractional = T - Truncated;
+  struct tm LT = getStructTM(Truncated);
+  llvm::format(Fractional, LT, OS, Style);
+}
+
 } // namespace llvm