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authorChristophe Lyon <christophe.lyon@linaro.org>2016-01-07 14:33:19 +0100
committerChristophe Lyon <christophe.lyon@linaro.org>2016-01-07 14:58:54 +0100
commitceed650db42cc32a57d536f612afb3dc639d52d7 (patch)
tree4afd29d3cc48f34bc0ac21872647a3e9b7954ae9 /gcc/tree-chrec.h
parentdad84c9a5ef6b373364319202be3f01036ea3fa3 (diff)
Fix bug #1980
gcc/ Revert backport from trunk r230150. 2015-11-11 Richard Biener <rguenth@gcc.gnu.org> Jiong Wang <jiong.wang@arm.com> PR tree-optimization/68234 * tree-vrp.c (vrp_visit_phi_node): Extend SCEV check to those loop PHI node which estimiated to be VR_VARYING initially. gcc/testsuite/ Revert backport from trunk r230150. 2015-11-11 Richard Biener <rguenth@gcc.gnu.org> Jiong Wang <jiong.wang@arm.com> * gcc.dg/tree-ssa/pr68234.c: New testcase. gcc/ Revert backport from trunk r230754. 2015-11-23 Richard Biener <rguenth@gcc.gnu.org> Jiong Wang <jiong.wang@arm.com> PR tree-optimization/68317 PR tree-optimization/68326 * tree-vrp.c (adjust_range_with_scev): Call drop_tree_overflow if the final min and max are not infinity. gcc/testsuite/ Revert backport from trunk r230754. 2015-11-23 Richard Biener <rguenther@suse.de> Jiong Wang <jiong.wang@arm.com> PR tree-optimization/68317 PR tree-optimization/68326 * gcc.dg/pr68317.c: New testcase. Change-Id: I3480edeff6d03eaa42c4d859b274f43f2441b70a
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