Add a pass to strip bitcode metadata.

This only works on instruction attachments for now.  Since it is a
ModulePass we can add something to strip NamedMetadata
based on a whitelist, if we want to retain some of that.

It does not touch debug metadata, and leaves -strip-debug to handle that.

BUG= https://code.google.com/p/nativeclient/issues/detail?id=3348

Review URL: https://codereview.chromium.org/12844027

1 files changed, 1 insertions, 0 deletions

diff --git a/include/llvm/Transforms/NaCl.h b/include/llvm/Transforms/NaCl.h
index 6782f6581f..58166bbf22 100644
--- a/include/llvm/Transforms/NaCl.h
+++ b/include/llvm/Transforms/NaCl.h
@@ -24,6 +24,7 @@ ModulePass *createExpandTlsConstantExprPass();
 ModulePass *createExpandVarArgsPass();
 ModulePass *createGlobalCleanupPass();
 ModulePass *createResolveAliasesPass();
+ModulePass *createStripMetadataPass();
 
 }