Geoff Berry
fb953956ab
[GVNHoist] Move GVNHoist to function simplification part of pipeline. ...
Summary:
Move GVNHoist to later in the optimization pipeline, specifically, to
the function simplification part of the pipeline. The new pipeline
location allows GVNHoist to run on a function after its callees have
been inlined but before the function has been considered for inlining
into its callers, exposing more opportunities for hoisting.
Performance results on AArch64 kryo:
Improvements:
Benchmarks/CoyoteBench/fftbench -24.952%
spec2006/bzip2 -4.071%
internal bmark -3.177%
Benchmarks/PAQ8p/paq8p -1.754%
spec2000/perlbmk -1.328%
spec2006/h264ref -1.140%
Regressions:
internal bmark +1.818%
Benchmarks/mafft/pairlocalalign +1.084%
Reviewers: sebpop, dberlin, hiraditya
Subscribers: aemerson, mehdi_amini, mcrosier, llvm-commits
Differential Revision: https://reviews.llvm.org/D27722
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289696 91177308-0d34-0410-b5e6-96231b3b80d8
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