[PATCH] D75799: [JumpThreading] Don't create PHI nodes with "is.constant" values
Bill Wendling via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 19 21:54:57 PDT 2020
void added a comment.
In D75799#1932597 <https://reviews.llvm.org/D75799#1932597>, @joerg wrote:
> Yes, __builtin_expect is just noise here. The point I wanted to make is that both sz and bytes should be used in __builtin_constant_p in the other condition.
I'm sorry, but I still don't see why. And I don't see how we can enforce that rule.
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https://reviews.llvm.org/D75799/new/
https://reviews.llvm.org/D75799
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