1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/ConstantMerge.cpp b/lib/Transforms/IPO/ConstantMerge.cpp
index ee28b13a2c..a635b8d21b 100644
--- a/lib/Transforms/IPO/ConstantMerge.cpp
+++ b/lib/Transforms/IPO/ConstantMerge.cpp
@@ -82,6 +82,10 @@ namespace {
       Constants.clear();
       return false;
     }
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+    }
   };
   
   struct DynamicConstantMerge : public ConstantMerge {