From: Aldy Hernandez <aldyh@redhat.com>
Date: Mon, 7 Oct 2019 11:53:40 +0000 (+0000)
Subject: * ipa-prop.c (ipa_vr::nonzero_p): Add TYPE_UNSIGNED check.
X-Git-Tag: upstream/12.2.0~21349
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=19849d1585d6ff2cef5f495a93699703cf18b335;p=platform%2Fupstream%2Fgcc.git

* ipa-prop.c (ipa_vr::nonzero_p): Add TYPE_UNSIGNED check.

From-SVN: r276655
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 83ad001..db122e2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2019-10-07  Aldy Hernandez  <aldyh@redhat.com>
 
+	* ipa-prop.c (ipa_vr::nonzero_p): Add TYPE_UNSIGNED check.
+
+2019-10-07  Aldy Hernandez  <aldyh@redhat.com>
+
 	* ipa-prop.c (ipa_vr::nonzero_p): New.
 	(ipcp_update_vr): Use nonzero_p instead of open-coding check for
 	non-zero range.
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c
index 20a0bdd..5020f4a 100644
--- a/gcc/ipa-prop.c
+++ b/gcc/ipa-prop.c
@@ -5117,6 +5117,7 @@ ipa_vr::nonzero_p (tree expr_type) const
 
   unsigned prec = TYPE_PRECISION (expr_type);
   return (type == VR_RANGE
+	  && TYPE_UNSIGNED (expr_type)
 	  && wi::eq_p (min, wi::one (prec))
 	  && wi::eq_p (max, wi::max_value (prec, TYPE_SIGN (expr_type))));
 }