From f5526b6edbf2a61c01ece6d98a3dcebb20ee1d79 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 19 Aug 2002 15:43:33 +0000 Subject: Fix the -time-passes option to not print NaN when there is zero execution time git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3382 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/VMCore/Pass.cpp | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'lib/VMCore/Pass.cpp') diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp index 106d70b31a..28244518df 100644 --- a/lib/VMCore/Pass.cpp +++ b/lib/VMCore/Pass.cpp @@ -122,13 +122,20 @@ void TimeRecord::passEnd(const TimeRecord &T) { MaxRSS = std::max(MaxRSS, RSSTemp); } +static void printVal(double Val, double Total) { + if (Total < 1e-7) // Avoid dividing by zero... + fprintf(stderr, " ----- "); + else + fprintf(stderr, " %7.4f (%5.1f%%)", Val, Val*100/Total); +} + void TimeRecord::print(const char *PassName, const TimeRecord &Total) const { - fprintf(stderr, - " %7.4f (%5.1f%%) %7.4f (%5.1f%%) %7.4f (%5.1f%%) %7.4f (%5.1f%%) ", - UserTime , UserTime *100/Total.UserTime, - SystemTime, SystemTime*100/Total.SystemTime, - UserTime+SystemTime, (UserTime+SystemTime)*100/(Total.UserTime+Total.SystemTime), - Elapsed , Elapsed *100/Total.Elapsed); + printVal(UserTime, Total.UserTime); + printVal(SystemTime, Total.SystemTime); + printVal(UserTime+SystemTime, Total.UserTime+Total.SystemTime); + printVal(Elapsed, Total.Elapsed); + + fprintf(stderr, " "); if (Total.MaxRSS) std::cerr << MaxRSS << "\t"; -- cgit v1.2.3