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Commit 4c9210ed authored by Chris Lattner's avatar Chris Lattner
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* Fairly substantial change. Instead of creating new globalvariables, then 

  replaceAllUsesWith'ing any forward references, just use the forward
  reference if it exists.

This introduces GetForwardRefForGlobal, which will eventually completely
replace the horrible DeclareNewGlobalValue function.

llvm-svn: 14828
parent e875d48a
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