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Fix the -time-passes option to not print NaN when there is zero execution time

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llvm-svn: 3382
This commit is contained in:
Chris Lattner 2002-08-19 15:43:33 +00:00
parent 289ad0e1fd
commit fe91f23c6d
1 changed files with 13 additions and 6 deletions
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19
lib/VMCore/Pass.cpp
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@ -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";