Remove this file; the code that it went with is no longer

[oota-llvm.git] / lib / Analysis / ValueNumbering.cpp

diff --git a/lib/Analysis/ValueNumbering.cpp b/lib/Analysis/ValueNumbering.cpp
index 98f04bd06e15c485b74bbaa19b1d079b349f4686..55323eaa9ed1be7b86aceb5246aa5d4d92756b21 100644 (file)
--- a/lib/Analysis/ValueNumbering.cpp
+++ b/lib/Analysis/ValueNumbering.cpp
@@ -10,6 +10,10 @@
 // This file implements the non-abstract Value Numbering methods as well as a
 // default implementation for the analysis group.
 //
+// The ValueNumbering analysis pass is mostly deprecated. It is only used by the
+// Global Common Subexpression Elimination pass, which is deprecated by the
+// Global Value Numbering pass (which does its value numbering on its own).
+//
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/Passes.h"