http://llvm.org/bugs/show_bug.cgi?id=5110
Summary: LiveIntervals::getApproximateInstructionCount() some
times return 0 (zero)!
Product: libraries
Version: 2.6
Platform: PC
OS/Version: Windows NT
Status: NEW
Severity: normal
Priority: P2
Component: Core LLVM classes
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
LiveIntervals::getApproximateInstructionCount() some times return 0 (zero) and
causes division by zero.
Solution so far looks like this
unsigned getApproximateInstructionCount(LiveInterval& I)
{
double IntervalPercentage = getScaledIntervalSize(I) / 1000.0;
unsigned result = (unsigned)(IntervalPercentage * FunctionSize);
if(result<=0) result = 1;
return result;
//return (unsigned)(IntervalPercentage * FunctionSize);
}
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