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Update comments and documentation to reflect that GCSE and ValueNumbering are
deprecated by the GVN and GVNPRE passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51983 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -10,6 +10,10 @@
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// This file implements the non-abstract Value Numbering methods as well as a
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// default implementation for the analysis group.
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//
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// The ValueNumbering analysis pass is mostly deprecated. It is only used by the
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// Global Common Subexpression Elimination pass, which is deprecated by the
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// Global Value Numbering pass (which does its value numbering on its own).
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/Passes.h"
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