[llvm-dev] FireFox-46.0.1 build with interprocedural register allocation enabled

[vivek pandya via llvm-dev]

Hello,

I build FireFox-46.0.1 source with llvm to test interprocedural register
allocation.
The build was successful with out any runtime faliures, here are few stats:

Measure W/O IPRA WITH IPRA
======= ======== =========
Total Build Time 76 mins 82.3 mins 8% increment
Octane v2.0 JS Benchmark Score (higher is better) 18675.69  19665.16 5%
improvement
Kraken JS Benchmark time (lower is better) 1416.2 ms 1421.3 ms 0.35%
regression
JetStream JS Benchmark Score (higer is better) 110.10 112.88 2.52%
improvement

Any suggestions are welcome on how to effectively measure performance
improvement!

Sincerely,
Vivek
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