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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/103513] [12 Regression] ICE in evaluate_conditions_for_known_args, at ipa-fnsummary.c:516 with -O2 and above since r12-5531-g1b0acc4b800b589a Date: Sun, 12 Dec 2021 17:12:39 +0000 [thread overview] Message-ID: <bug-103513-4-tQn2tPc4rL@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-103513-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103513 --- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> --- OK, i suppose we do not really have interface to fold ternary expression? It could still do useful work merging the value ranges of both arms... I am testing the following: gcc/ChangeLog: 2021-12-12 Jan Hubicka <hubicka@ucw.cz> * ipa-fnsummary.c (evaluate_conditions_for_known_args): Do not ICE on ternary expression. gcc/testsuite/ChangeLog: 2021-12-12 Jan Hubicka <hubicka@ucw.cz> * gcc.c-torture/compile/pr103513.c: New test. diff --git a/gcc/ipa-fnsummary.c b/gcc/ipa-fnsummary.c index 6c1cdf17e47..cb3c198ec0c 100644 --- a/gcc/ipa-fnsummary.c +++ b/gcc/ipa-fnsummary.c @@ -513,7 +513,7 @@ evaluate_conditions_for_known_args (struct cgraph_node *node, op->index ? &vr : &op0); } else - gcc_unreachable (); + res.set_varying (op->type); type = op->type; vr = res; } diff --git a/gcc/testsuite/gcc.c-torture/compile/pr103513.c b/gcc/testsuite/gcc.c-torture/compile/pr103513.c new file mode 100644 index 00000000000..ca876a9816c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr103513.c @@ -0,0 +1,8 @@ +int a; +void b(int c) { + int d = 3; + d ^= c < 2; + if (d < 3 && a) + while (1) + b(!a); +}
next prev parent reply other threads:[~2021-12-12 17:12 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-01 6:24 [Bug ipa/103513] New: [12 Regression] ICE in evaluate_conditions_for_known_args, at ipa-fnsummary.c:516 with -O2 and above haoxintu at gmail dot com 2021-12-01 6:25 ` [Bug ipa/103513] " pinskia at gcc dot gnu.org 2021-12-01 6:31 ` pinskia at gcc dot gnu.org 2021-12-01 7:24 ` rguenth at gcc dot gnu.org 2021-12-01 7:36 ` pinskia at gcc dot gnu.org 2021-12-01 9:23 ` [Bug ipa/103513] [12 Regression] ICE in evaluate_conditions_for_known_args, at ipa-fnsummary.c:516 with -O2 and above since r12-5531-g1b0acc4b800b589a marxin at gcc dot gnu.org 2021-12-01 20:34 ` dcb314 at hotmail dot com 2021-12-09 20:55 ` zhendong.su at inf dot ethz.ch 2021-12-12 17:12 ` hubicka at gcc dot gnu.org [this message] 2021-12-13 8:39 ` cvs-commit at gcc dot gnu.org 2021-12-13 8:41 ` hubicka at gcc dot gnu.org
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