[llvm-exegesis] Fix broken test.

llvm-svn: 342971
diff --git a/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp b/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp
index 74446fc..c8b3ee7 100644
--- a/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp
+++ b/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp
@@ -56,7 +56,7 @@
   LLVMInitializeX86TargetMC();
 
   // Read benchmarks.
-  const LLVMState State;
+  const LLVMState State("x86_64-unknown-linux", "haswell");
 
   llvm::ExitOnError ExitOnErr;