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Remove the old tail duplication pass. It is not used and is unable to update

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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@138841 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-08-30 23:03:45 +00:00
parent eaca928a37
commit f940a1a869
21 changed files with 4 additions and 645 deletions
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docs/ReleaseNotes.html
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@@ -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 <code>TailDup</code> pass was not used in the standard pipeline
and was unable to update ssa form, so it has been removed.
<li>The syntax of volatile loads and stores in IR has been changed to
"<code>load volatile</code>"/"<code>store volatile</code>". The old
syntax ("<code>volatile load</code>"/"<code>volatile store</code>")