[PATCH] D40755: [WIP][shrink-wrap]Sink COPYs to CSR from entry to successors

[Jun Bum Lim via Phabricator via llvm-commits]

junbuml added a comment.

> Do you have benchmark performance results for this change?

As I mentioned in summary, I observed 10% more shrink-wrapping happened in spec2000/2006/2017. However, I didn't see significant improvement in scores on AArch64.  
One observation I want to share is that if this is performed after the copy source forwaring (like https://reviews.llvm.org/rL312328, which was reverted though at this moment), it will improve spec2006/astar score about 10%.


https://reviews.llvm.org/D40755