[PATCH] D31827: Add a flag that enables more aggressive load PRE

[Taewook Oh via Phabricator via llvm-commits]

twoh added a comment.

No perf numbers with public benchmarks yet, but with our internal benchmark I confirmed that aggressive load PRE removes redundant instructions in a hot loop. I'll report spec2006 numbers later. This patch is for quick unlocking of the feature before making more fundamental improvement.


https://reviews.llvm.org/D31827