[PATCH] D36504: [CodeGenPrepare][WIP] Convert uncond. branch to return into a return to help with shrink-wrapping

Nemanja Ivanovic via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 9 08:45:48 PDT 2017

nemanjai added a comment.

Just some stats (on PPC):

- 3.8% more functions shrink-wrapped in the bootstrap build
- 14.3% more functions shrink-wrapped in SPEC

Performance wise SPEC-FP shows no significant change.
SPEC-INT shows a 7% improvement in Xalancbmx, 1% improvement in Sjeng, slightly under 5% degradation in h264ref and sub-1% improvements on everything else.



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