https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107876
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|FIXED |---
Keywords| |testsuite-fail
CC| |egallager at gcc dot gnu.org
Status|RESOLVED |REOPENED
--- Comment #8 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Francois-Xavier Coudert from comment #7)
> The test case (g++.dg/tree-ssa/pr107876.C) fails on aarch64-darwin.
>
> FAIL: g++.dg/tree-ssa/pr107876.C -std=gnu++14 scan-tree-dump unswitch
> "unswitching loop 1 on .switch. with condition: i_[0-9]+\\(D\\) == 2"
> FAIL: g++.dg/tree-ssa/pr107876.C -std=gnu++17 scan-tree-dump unswitch
> "unswitching loop 1 on .switch. with condition: i_[0-9]+\\(D\\) == 2"
> FAIL: g++.dg/tree-ssa/pr107876.C -std=gnu++20 scan-tree-dump unswitch
> "unswitching loop 1 on .switch. with condition: i_[0-9]+\\(D\\) == 2"
>
> The output says:
>
> ;; Function test17 (_Z6test17i, funcdef_no=0, decl_uid=4194, cgraph_uid=1,
> symbol_order=0)
>
> Estimating # of iterations of loop 1
> g++.dg/tree-ssa/pr107876.C:21:7: optimized: unswitching loop 1 on 'if' with
> condition: i_7(D) == 0
> g++.dg/tree-ssa/pr107876.C:21:7: note: optimized sizes estimated to 0 (true)
> and 0 (false) from original size 16
reopening, then
