[fuzzer] add flag prefer_small_during_initial_shuffle, be a bit more verbose

[oota-llvm.git] / lib / Fuzzer / FuzzerFlags.def

diff --git a/lib/Fuzzer/FuzzerFlags.def b/lib/Fuzzer/FuzzerFlags.def
index f4a4bb964415a3973235fe5701ee1ec8319e1661..754d02e0153b3a8c3ac2efeb7957a14d4945b313 100644 (file)
--- a/lib/Fuzzer/FuzzerFlags.def
+++ b/lib/Fuzzer/FuzzerFlags.def
@@ -21,6 +21,10 @@ FUZZER_FLAG(int, max_len, 64, "Maximal length of the test input.")
 FUZZER_FLAG(int, cross_over, 1, "If 1, cross over inputs.")
 FUZZER_FLAG(int, mutate_depth, 5,
             "Apply this number of consecutive mutations to each input.")
+FUZZER_FLAG(
+    int, prefer_small_during_initial_shuffle, -1,
+    "If 1, always prefer smaller inputs during the initial corpus shuffle."
+    " If 0, never do that. If -1, do it sometimes.")
 FUZZER_FLAG(int, exit_on_first, 0,
             "If 1, exit after the first new interesting input is found.")
 FUZZER_FLAG(int, timeout, -1, "Timeout in seconds (if positive).")