multiple targets in perf.py
checking targets in perf.py
support of LLVM 3.5
Merge pull request #663 from ifilippov/perf

Adding multiple targets in perf.py
Merge pull request #664 from ifilippov/3_5

Support for LLVM 3.5
fix of perf.py
Merge pull request #665 from ifilippov/master

fix of perf.py