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...update ssa, so it has to be run really early in the pipeline. Any replacement should probably use the SSAUpdater. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk at 138841 91177308-0d34-0410-b5e6-96231b3b80d8 diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index 6188ffd4..4feb907 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -583,6 +583,8 @@ it run faster:</p> <ul> <li>The <code>LowerSetJmp</code> pass wasn't used effectively by any target and has been removed.</li> + <li>The old <co...

I'm reading up on LLVM's implementation of tail duplication and the description is confusing: http://llvm.org/docs/Passes.html -tailduplicate: Tail Duplication This pass performs a limited form of tail duplication, intended to simplify CFGs by removing some unconditional branches. This pass is necessary to straighten out loops created by the C front-end, but also is capable of