docs: Mention that assertions must be enabled to use the -stats flag

Patch by Rob Stewart. Thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230144 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2015-02-21 20:53:36 +00:00
parent 8d353ae157
commit ad821f0482

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@ -488,6 +488,9 @@ gathered, use the '``-stats``' option:
$ opt -stats -mypassname < program.bc > /dev/null
... statistics output ...
Note that in order to use the '``-stats``' option, LLVM must be
compiled with assertions enabled.
When running ``opt`` on a C file from the SPEC benchmark suite, it gives a
report that looks like this: