2 files changed, 19 insertions, 0 deletions
diff --git a/runtime/Intrinsic/klee_is_replay.c b/runtime/Intrinsic/klee_is_replay.c
new file mode 100644
index 00000000..ac9e541d
--- /dev/null
+++ b/runtime/Intrinsic/klee_is_replay.c
@@ -0,0 +1,15 @@
+
+/*===-- klee_is_replay.c --------------------------------------------------===//
+//
+//                     The KLEE Symbolic Virtual Machine
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===*/
+
+#include "klee/klee.h"
+
+unsigned klee_is_replay() {
+  return 0;
+}
diff --git a/runtime/Runtest/intrinsics.c b/runtime/Runtest/intrinsics.c
index cdc8c9d6..f82bd554 100644
--- a/runtime/Runtest/intrinsics.c
+++ b/runtime/Runtest/intrinsics.c
@@ -146,6 +146,10 @@ uintptr_t klee_choose(uintptr_t n) {
   return x;
 }
 
+unsigned klee_is_replay() {
+  return 1;
+}
+
 void klee_assume(uintptr_t x) {
   if (!x) {
     report_internal_error("invalid klee_assume");