[llvm-opt-fuzzer] Avoid adding incorrect inputs to the fuzzer corpus

Differential Revision: https://reviews.llvm.org/D42414

llvm-svn: 324225
diff --git a/llvm/tools/llvm-isel-fuzzer/llvm-isel-fuzzer.cpp b/llvm/tools/llvm-isel-fuzzer/llvm-isel-fuzzer.cpp
index 764134d..73d6015 100644
--- a/llvm/tools/llvm-isel-fuzzer/llvm-isel-fuzzer.cpp
+++ b/llvm/tools/llvm-isel-fuzzer/llvm-isel-fuzzer.cpp
@@ -84,8 +84,8 @@
     return 0;
 
   LLVMContext Context;
-  auto M = parseModule(Data, Size, Context);
-  if (!M || verifyModule(*M, &errs())) {
+  auto M = parseAndVerify(Data, Size, Context);
+  if (!M) {
     errs() << "error: input module is broken!\n";
     return 0;
   }