[STATS] fix output formatting when sample count is 0

Force 0.0 to be displayed for all statistics which have sample count equal to 0

llvm-svn: 262658

1 files changed, 19 insertions, 8 deletions

diff --git a/openmp/runtime/src/kmp_stats.cpp b/openmp/runtime/src/kmp_stats.cpp
index d1f43afe4ae..b249e2e635c 100644
--- a/openmp/runtime/src/kmp_stats.cpp
+++ b/openmp/runtime/src/kmp_stats.cpp
@@ -129,14 +129,25 @@ void statistic::scale(double factor)
 std::string statistic::format(char unit, bool total) const
 {
     std::string result = formatSI(sampleCount,9,' ');
-
-    result = result + std::string(", ") + formatSI(minVal,  9, unit);
-    result = result + std::string(", ") + formatSI(meanVal, 9, unit);
-    result = result + std::string(", ") + formatSI(maxVal,  9, unit);
-    if (total)
-        result = result + std::string(", ") + formatSI(meanVal*sampleCount, 9, unit);
-    result = result + std::string(", ") + formatSI(getSD(), 9, unit);
-
+    
+    if (sampleCount == 0)
+    {
+        result = result + std::string(", ") + formatSI(0.0, 9, unit);
+        result = result + std::string(", ") + formatSI(0.0, 9, unit);
+        result = result + std::string(", ") + formatSI(0.0, 9, unit);
+        if (total)
+            result = result + std::string(", ") + formatSI(0.0, 9, unit);
+        result = result + std::string(", ") + formatSI(0.0, 9, unit);
+    }
+    else
+    {
+        result = result + std::string(", ") + formatSI(minVal,  9, unit);
+        result = result + std::string(", ") + formatSI(meanVal, 9, unit);
+        result = result + std::string(", ") + formatSI(maxVal,  9, unit);
+        if (total)
+            result = result + std::string(", ") + formatSI(meanVal*sampleCount, 9, unit);
+        result = result + std::string(", ") + formatSI(getSD(), 9, unit);
+    }
     return result;
 }