opt(1) on Linux
The text b322c3f62b8c, as Debian 7 (Wheezy) shipped it.
LLVM optimizer
Flags it lists
-
-S -
-debug -
-disable-inlining -
-disable-opt -
-f -
-help -
-load -
-o -
-p -
-profile-info-file -
-stats -
-std-compile-opts -
-strip-debug -
-time-passes -
-verify-each