Add a cost model analysis that allows us to estimate the cost of IR-level instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167324 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Analysis.cpp b/lib/Analysis/Analysis.cpp
index 8969ea9..9dc81a6 100644
--- a/lib/Analysis/Analysis.cpp
+++ b/lib/Analysis/Analysis.cpp
@@ -26,6 +26,7 @@
   initializeBasicAliasAnalysisPass(Registry);
   initializeBlockFrequencyInfoPass(Registry);
   initializeBranchProbabilityInfoPass(Registry);
+  initializeCostModelAnalysisPass(Registry);
   initializeCFGViewerPass(Registry);
   initializeCFGPrinterPass(Registry);
   initializeCFGOnlyViewerPass(Registry);