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> So just to be clear (mainly so i can go back to letting y'all hash this out), in value numbering: > 1. I can value number all freeze operations on the same operand to the same value > *as long as* > 2. I replace all freeze values of the same operand with a single one. > > Or am i misunderstanding? > If i've got it right, the issue i see with #2 is whether i can

...1 %x use_2 %x use_3 %x (assuming use_2 is the only use of %w) We can make newgvn get it right. > > >> >> Nuno >> >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20161024/ac3dbcf1/attachment.html>