[llvm-mca] Increase the default number of iterations to 100.

llvm-svn: 329694
diff --git a/llvm/tools/llvm-mca/SourceMgr.h b/llvm/tools/llvm-mca/SourceMgr.h
index d769570..4d4781f 100644
--- a/llvm/tools/llvm-mca/SourceMgr.h
+++ b/llvm/tools/llvm-mca/SourceMgr.h
@@ -28,7 +28,7 @@
   const InstVec &Sequence;
   unsigned Current;
   unsigned Iterations;
-  static const unsigned DefaultIterations = 70;
+  static const unsigned DefaultIterations = 100;
 
 public:
   SourceMgr(const InstVec &MCInstSequence, unsigned NumIterations)