From: Owen Anderson <resistor@mac.com>
Date: Tue, 22 Apr 2008 03:57:36 +0000 (+0000)
Subject: Add MemCpyOpt to LTO.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ecbc963edac68c6ec6d1d53882bb2c25eb07df16;p=oota-llvm.git

Add MemCpyOpt to LTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50081 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/lto/lto.cpp b/tools/lto/lto.cpp
index 7e0823edf1b..b7bd992c31c 100644
--- a/tools/lto/lto.cpp
+++ b/tools/lto/lto.cpp
@@ -330,6 +330,7 @@ LTO::optimize(Module *M, std::ostream &Out,
   Passes.add(createGlobalsModRefPass());      // IP alias analysis
   
   Passes.add(createLICMPass());               // Hoist loop invariants
+  Passed.add(createMemCpyOptPass());  // Remove dead memcpy's
   Passes.add(createGVNPass());               // Remove common subexprs
   Passes.add(createDeadStoreEliminationPass()); // Nuke dead stores
 
diff --git a/tools/lto2/LTOCodeGenerator.cpp b/tools/lto2/LTOCodeGenerator.cpp
index db27145bbf9..0c86613ae92 100644
--- a/tools/lto2/LTOCodeGenerator.cpp
+++ b/tools/lto2/LTOCodeGenerator.cpp
@@ -377,6 +377,7 @@ bool LTOCodeGenerator::generateAssemblyCode(std::ostream& out, std::string& errM
     passes.add(createGlobalsModRefPass());      // IP alias analysis
 
     passes.add(createLICMPass());               // Hoist loop invariants
+    passes.add(createMemCpyOptPass());  // Remove dead memcpy's
     passes.add(createGVNPass());               // Remove common subexprs
     passes.add(createDeadStoreEliminationPass()); // Nuke dead stores