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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/112096] New: `(a || b) ? a : b` should be simplified to a Date: Thu, 26 Oct 2023 05:16:21 +0000 [thread overview] Message-ID: <bug-112096-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112096 Bug ID: 112096 Summary: `(a || b) ? a : b` should be simplified to a Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: pinskia at gcc dot gnu.org Target Milestone: --- Take: ``` int t0(int x, int y) { _Bool t = x == 0 && y == 0; if (t) return x; return y; } // y int t0_(int x, int y) { _Bool t = x == 0 && y == 0; if (t) return 0; return y; } // y int t1(int x, int y) { _Bool t = x || y; if (t) return x; return y; } // x int t1_(int x, int y) { _Bool t = x || y; if (t) return x; return 0; } // x ``` These should be simplified as the comment says All 4 of these are caught by LLVM.
next reply other threads:[~2023-10-26 5:16 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-26 5:16 pinskia at gcc dot gnu.org [this message] 2023-10-26 5:17 ` [Bug tree-optimization/112096] " pinskia at gcc dot gnu.org 2023-10-26 20:14 ` pinskia at gcc dot gnu.org 2023-10-26 20:22 ` pinskia at gcc dot gnu.org 2023-11-02 18:39 ` pinskia at gcc dot gnu.org
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