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author | hexcoder- <heiko@hexco.de> | 2021-04-17 22:32:33 +0200 |
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committer | hexcoder- <heiko@hexco.de> | 2021-04-17 22:32:33 +0200 |
commit | ec49c7fbf5b5dd2259ebfd4a92f6aad5b333c328 (patch) | |
tree | 5664d9d273bdb02e8d6865cf8b50600df4373365 /instrumentation/afl-llvm-lto-instrumentation.so.cc | |
parent | 00e54565ef109a6c697db77b19d1618e37092125 (diff) | |
download | afl++-ec49c7fbf5b5dd2259ebfd4a92f6aad5b333c328.tar.gz |
Change other LLVM modes to atomic increments
Diffstat (limited to 'instrumentation/afl-llvm-lto-instrumentation.so.cc')
-rw-r--r-- | instrumentation/afl-llvm-lto-instrumentation.so.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/instrumentation/afl-llvm-lto-instrumentation.so.cc b/instrumentation/afl-llvm-lto-instrumentation.so.cc index f6cdbe9e..5ed13ff0 100644 --- a/instrumentation/afl-llvm-lto-instrumentation.so.cc +++ b/instrumentation/afl-llvm-lto-instrumentation.so.cc @@ -839,6 +839,11 @@ bool AFLLTOPass::runOnModule(Module &M) { /* Update bitmap */ +#if 1 /* Atomic */ + IRB.CreateAtomicRMW(llvm::AtomicRMWInst::BinOp::Add, MapPtrIdx, One, + llvm::AtomicOrdering::Monotonic); + +#else LoadInst *Counter = IRB.CreateLoad(MapPtrIdx); Counter->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None)); @@ -855,6 +860,7 @@ bool AFLLTOPass::runOnModule(Module &M) { IRB.CreateStore(Incr, MapPtrIdx) ->setMetadata(M.getMDKindID("nosanitize"), MDNode::get(C, None)); +#endif // done :) |