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Commit f9c9455d authored by Daniel Berlin's avatar Daniel Berlin
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NewGVN: Fix PR 34430 - we need to look through predicateinfo copies to detect... 

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
parent 54a92fcc
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