Transforms/IPO/PruneEH.cpp

89   bool SCCMightUnwind = false, SCCMightReturn = false;
91        (!SCCMightUnwind || !SCCMightReturn) && I != E; ++I) {
94       SCCMightUnwind = true;
97       SCCMightUnwind |= !F->doesNotThrow();
100       bool CheckUnwind = !SCCMightUnwind && !F->doesNotThrow();
116           SCCMightUnwind = true;
122           if ((!CheckUnwind || SCCMightUnwind) &&
128           if (CheckUnwind && !SCCMightUnwind && I.mayThrow()) {
139             SCCMightUnwind |= InstMightUnwind;
148         if (SCCMightUnwind && SCCMightReturn)
155   if (!SCCMightUnwind || !SCCMightReturn)
159       if (!SCCMightUnwind && !F->hasFnAttribute(Attribute::NoUnwind)) {