[llvm-opt-fuzzer] NFC. Add sanity tests.
llvm-svn: 318293
diff --git a/llvm/test/tools/llvm-opt-fuzzer/simple-fail.ll b/llvm/test/tools/llvm-opt-fuzzer/simple-fail.ll
new file mode 100644
index 0000000..2200474
--- /dev/null
+++ b/llvm/test/tools/llvm-opt-fuzzer/simple-fail.ll
@@ -0,0 +1,7 @@
+; Check that fuzzer will fail on invalid input
+; REQUIRES: x86-registered-target
+
+; RUN: llvm-opt-fuzzer %s -ignore_remaining_args=1 -mtriple x86_64 -passes instcombine 2>&1 | FileCheck %s
+; CHECK: input module is broken
+
+invalid input