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profile-count.c (profile_count::combine_with_ipa_count): Handle zeros correctly.

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* profile-count.c (profile_count::combine_with_ipa_count): Handle
	zeros correctly.

From-SVN: r257182
This commit is contained in:
Jan Hubicka 2018-01-30 13:46:19 +01:00 committed by Jan Hubicka
parent 85bb2f9a30
commit 6439c35806
2 changed files with 6 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
* profile-count.c (profile_count::combine_with_ipa_count): Handle
zeros correctly.
2018-01-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/83008

2
gcc/profile-count.c
View File

@ -321,7 +321,7 @@ profile_count::combine_with_ipa_count (profile_count ipa)
ipa = ipa.ipa ();
if (ipa.nonzero_p ())
return ipa;
if (!ipa.initialized_p ())
if (!ipa.initialized_p () || *this == profile_count::zero ())
return *this;
if (ipa == profile_count::zero ())
return this->global0 ();