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ScopDetection: Make sure we do not accidentally divide by zero

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This code path is likely never triggered, but by still handling this case
locally we avoid warnings in clangs static analyzer.

llvm-svn: 280939
This commit is contained in:
Tobias Grosser 2016-09-08 14:08:05 +00:00
parent adfc971820
commit b316dc166f
1 changed files with 3 additions and 0 deletions
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3
polly/lib/Analysis/ScopDetection.cpp
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@ -1307,6 +1307,9 @@ bool ScopDetection::hasSufficientCompute(DetectionContext &Context,
int NumLoops) const {
int InstCount = 0;
if (NumLoops == 0)
return false;
for (auto *BB : Context.CurRegion.blocks())
if (Context.CurRegion.contains(LI->getLoopFor(BB)))
InstCount += BB->size();