Daniel Berlin
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f9c9455d3f
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NewGVN: Fix PR 34430 - we need to look through predicateinfo copies to detect self-cycles of phi nodes. We also need to not ignore certain types of arguments when testing whether the phi has a backedge or was originally constant.
llvm-svn: 312510
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2017-09-05 02:17:43 +00:00 |