[PATCH] D35584: [CGP] Fold empty dedicated exit blocks created by loopsimplify.

[Balaram Makam via Phabricator via llvm-commits]

bmakam added a comment.

> Is the actual value of the PHI operand relevant here?  It looks like some of the testcases on r289988 involve constants, which are materialized during isel (and can be substantially more expensive).

I took a stab at this and created https://reviews.llvm.org/D37343. Please take a look.


https://reviews.llvm.org/D35584