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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/102720] [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4324 Date: Fri, 15 Oct 2021 12:21:24 +0000 [thread overview] Message-ID: <bug-102720-4-FunqCCREhm@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-102720-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102720 --- Comment #8 from Jan Hubicka <hubicka at gcc dot gnu.org> --- so it is really pt_solutions_intersect in ref_maybe_used_by_call returning false. We get: (gdb) p *pt1 $6 = {anything = 0, nonlocal = 1, escaped = 1, ipa_escaped = 0, null = 0, vars_contains_nonlocal = 0, vars_contains_escaped = 0, vars_contains_escaped_heap = 0, vars_contains_restrict = 0, vars_contains_interposable = 0, vars = 0x7ffff7518dc0} (gdb) p *pt2 $7 = {anything = 0, nonlocal = 0, escaped = 0, ipa_escaped = 0, null = 1, vars_contains_nonlocal = 0, vars_contains_escaped = 0, vars_contains_escaped_heap = 0, vars_contains_restrict = 0, vars_contains_interposable = 0, vars = 0x7ffff7518ae0} (gdb) p debug_bitmap (pt1->vars) first = 0x7ffff7531b40 current = 0x7ffff7531b40 indx = 15 0x7ffff7531b40 next = (nil) prev = (nil) indx = 15 bits = { 2008 } $8 = void (gdb) p debug_bitmap (pt2->vars) first = 0x7ffff7540a00 current = 0x7ffff7540a00 indx = 15 0x7ffff7540a00 next = (nil) prev = (nil) indx = 15 bits = { 2014 } Here pt1 is call use and pt2 is PTA of MEM[(uint8_t *)p_4 + 1B]; The bitmaps are indeed disjoint. I would expect them to be p_4 = { HEAP(14) } CALLUSED(18) = { NONLOCAL HEAP(14) } So they should overleap by HEAP(14)... Honza
next prev parent reply other threads:[~2021-10-15 12:21 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-12 21:45 [Bug testsuite/102720] New: [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4234 seurer at gcc dot gnu.org 2021-10-13 2:16 ` [Bug testsuite/102720] " msebor at gcc dot gnu.org 2021-10-13 7:37 ` rguenth at gcc dot gnu.org 2021-10-13 7:38 ` [Bug tree-optimization/102720] [12 regression] gcc.dg/tree-ssa/ldist-strlen-1.c and ldist-strlen-2.c fail after r12-4324 rguenth at gcc dot gnu.org 2021-10-13 10:14 ` stefansf at linux dot ibm.com 2021-10-13 14:50 ` clyon at gcc dot gnu.org 2021-10-13 14:52 ` clyon at gcc dot gnu.org 2021-10-15 11:36 ` [Bug ipa/102720] " hubicka at gcc dot gnu.org 2021-10-15 12:21 ` hubicka at gcc dot gnu.org [this message] 2021-10-15 13:26 ` hubicka at gcc dot gnu.org 2021-10-15 13:28 ` hubicka at gcc dot gnu.org 2021-10-15 13:54 ` hubicka at gcc dot gnu.org 2021-10-16 12:45 ` [Bug tree-optimization/102720] " cvs-commit at gcc dot gnu.org 2021-11-21 11:57 ` hubicka at gcc dot gnu.org
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