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Explain in docs that assertions must be enabled to use the -stats flag
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Authored by robstewart57 on Feb 21 2015, 9:17 AM.

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Summary

On llvm-dev there was a recent question about -stats, namely that it did not print out statistics about passes with the -stats opt flag.
http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-February/082409.html

This commit adds that information to the programmers manual document.

robstewart57 retitled this revision from to Explain in docs that assertions must be enabled to use the -stats flag.

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	$ opt -stats -mypassname < program.bc > /dev/null	$ opt -stats -mypassname < program.bc > /dev/null
	... statistics output ...	... 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	When running ``opt`` on a C file from the SPEC benchmark suite, it gives a
	report that looks like this:	report that looks like this:

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