[PATCH] [blockfreq] Added BlockFrequencyInfo::view for displaying the block frequency propagation dag via graphviz.
manman.ren at gmail.com
Wed Nov 13 17:58:44 PST 2013
LGTM except the typo of "propogation".
On Wed, Nov 13, 2013 at 4:28 PM, Michael Gottesman <mgottesman at apple.com>wrote:
> Hello llvm-commits.
> This patch adds support to the BlockFrequency pass for displaying a
> graphviz graph of the CFG with all the relevant nodes annotated with either
> fractional or integer block frequencies (i.e. block frequencies that have
> not been divided by the entry frequency). This is useful when one is
> debugging the block frequency pass since it allows one to easily visualize:
> 1. The manner in which block frequencies are propagated through the CFG.
> 2. The accuracy (or lack there of) of the block frequency implementation.
> Please review,
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
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