Extended Description

On any file, try this:

$ llvm/Debug/bin/opt -inline -time-passes b2.bc
WARNING: You're attempting to print out a bytecode file.
This is inadvisable as it may cause display problems. If
you REALLY want to taste LLVM bytecode first-hand, you
can force output with the `-f' option.

===-------------------------------------------------------------------------===
... Pass execution timing report ...
===-------------------------------------------------------------------------===
Total Execution Time: 0.0000 seconds (0.0003 wall clock)

---Wall Time--- --- Name ---
0.0001 ( 36.1%) Dominator Tree Construction
0.0000 ( 21.8%) ET Forest Construction
0.0000 ( 15.7%) Module Verifier
0.0000 ( 14.5%) Basic CallGraph Construction
0.0000 ( 11.0%) N45_GLOBAL__N_InlineSimple.cpp_00000000_47DAB73C13SimpleInlinerE
0.0000 ( 0.5%) Target Data Layout
0.0003 (100.0%) TOTAL