tree 10c59d1922e13230c3b17e67b3e3a5401a2b761e
parent a266ebc09b2b7e097341791b7ffe9d0a09a474a2
author Dan Gohman <gohman@apple.com> 1282341777 +0000
committer Dan Gohman <gohman@apple.com> 1282341777 +0000

Introduce a new temporary MDNode concept. Temporary MDNodes are
not part of the IR, are not uniqued, and may be safely RAUW'd.
This replaces a variety of alternate mechanisms for achieving
the same effect.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111682 91177308-0d34-0410-b5e6-96231b3b80d8