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added InsTrimLTO :-)

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van Hauser
2020-05-06 11:51:28 +02:00
parent b4e3f22259
commit 80ddb484de
9 changed files with 1016 additions and 88 deletions
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17
llvm_mode/afl-llvm-common.cc
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@ -201,3 +201,20 @@ bool isInWhitelist(llvm::Function *F) {
}
// Calculate the number of average collisions that would occur if all
// location IDs would be assigned randomly (like normal afl/afl++).
// This uses the "balls in bins" algorithm.
unsigned long long int calculateCollisions(uint32_t edges) {
double bins = MAP_SIZE;
double balls = edges;
double step1 = 1 - (1 / bins);
double step2 = pow(step1, balls);
double step3 = bins * step2;
double step4 = round(step3);
unsigned long long int empty = step4;
unsigned long long int collisions = edges - (MAP_SIZE - empty);
return collisions;
}