[libFuzzer] experimental flag -drill (another search heuristic; Mike Aizatsky's idea)
llvm-svn: 252838
diff --git a/llvm/lib/Fuzzer/test/fuzzer.test b/llvm/lib/Fuzzer/test/fuzzer.test
index 0f1a6cc..fe949bf 100644
--- a/llvm/lib/Fuzzer/test/fuzzer.test
+++ b/llvm/lib/Fuzzer/test/fuzzer.test
@@ -31,7 +31,11 @@
#not LLVMFuzzer-FullCoverageSetTest -timeout=15 -seed=1 -mutate_depth=2 -use_full_coverage_set=1 2>&1 | FileCheck %s
-#not LLVMFuzzer-FourIndependentBranchesTest -timeout=15 -seed=1 -use_traces=1 2>&1 | FileCheck %s
+RUN: rm -rf FourIndependentBranchesTestCORPUS
+RUN: mkdir FourIndependentBranchesTestCORPUS
+RUN: LLVMFuzzer-FourIndependentBranchesTest -seed=1 -runs=1000000 FourIndependentBranchesTestCORPUS
+RUN: not LLVMFuzzer-FourIndependentBranchesTest -runs=100000 -drill=1 -jobs=200 FourIndependentBranchesTestCORPUS 2>&1 | FileCheck %s
+RUN: rm -rf FourIndependentBranchesTestCORPUS
RUN: not LLVMFuzzer-CounterTest -use_counters=1 -max_len=6 -seed=1 -timeout=15 2>&1 | FileCheck %s