Introduce BlockFrequency analysis for BasicBlocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133766 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Analysis.cpp b/lib/Analysis/Analysis.cpp
index e57ba78..71e0a83 100644
--- a/lib/Analysis/Analysis.cpp
+++ b/lib/Analysis/Analysis.cpp
@@ -23,6 +23,7 @@
   initializeAliasSetPrinterPass(Registry);
   initializeNoAAPass(Registry);
   initializeBasicAliasAnalysisPass(Registry);
+  initializeBlockFrequencyPass(Registry);
   initializeBranchProbabilityInfoPass(Registry);
   initializeCFGViewerPass(Registry);
   initializeCFGPrinterPass(Registry);