[PATCH] D11919: Enable EliminateAvailableExternally pass in the LTO pipeline.

[Teresa Johnson via llvm-commits]

tejohnson updated this revision to Diff 31816.
tejohnson added a comment.

- Update comments per review.


http://reviews.llvm.org/D11919

Files:
  lib/Transforms/IPO/PassManagerBuilder.cpp

Index: lib/Transforms/IPO/PassManagerBuilder.cpp
===================================================================
--- lib/Transforms/IPO/PassManagerBuilder.cpp
+++ lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -556,6 +556,9 @@
   // Delete basic blocks, which optimization passes may have killed.
   PM.add(createCFGSimplificationPass());
 
+  // Drop bodies of available externally objects to improve GlobalDCE.
+  PM.add(createEliminateAvailableExternallyPass());
+
   // Now that we have optimized the program, discard unreachable functions.
   PM.add(createGlobalDCEPass());
 


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