[Bug lto/94320] [OpenMP][Offloading] lto1 ICE during IPA pass: inline – offline_size at gcc/ipa-inline-analysis.c:453
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94320 --- Comment #2 from Tobias Burnus --- (In reply to Jakub Jelinek from comment #1) > tried > + && !lto_stream_offload_p With that patch, I get 6 times "has been referenced in offloaded code but hasn't been marked to be included in the offloaded code". Thus, that's a useful patch for the code I looked at. All those those functions are template functions. (With -O0, the nvptx run-time compilers complains only about 3 of those functions.) > I'm afraid we need to actually implement properly the OpenMP 5.0 > automatic omp declare target discovery Yes, it looks like that. I think C++ code is mostly affected as one quickly ends up using 'operator[]' and similar functions, which are not always inlined. Additionally, template programming makes it harder for the user to mark those functions as 'declare target'.
[Bug lto/94320] [OpenMP][Offloading] lto1 ICE during IPA pass: inline – offline_size at gcc/ipa-inline-analysis.c:453
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94320 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek --- Perhaps related to PR92357? I'm stuck there, tried 2020-02-07 Jakub Jelinek PR ipa/92357 * symtab.c (symtab_node::get_partitioning_class): Don't return SYMBOL_DUPLICATE for DECL_ONE_ONLY symbols if lto_stream_offload_p. --- gcc/symtab.c.jj 2020-01-15 11:05:19.589136168 +0100 +++ gcc/symtab.c2020-02-07 19:57:55.625108414 +0100 @@ -2003,6 +2003,7 @@ symtab_node::get_partitioning_class (voi if (DECL_ONE_ONLY (decl) && !force_output && !forced_by_abi + && !lto_stream_offload_p && !used_from_object_file_p ()) return SYMBOL_DUPLICATE; but it didn't work out. I'm afraid we need to actually implement properly the OpenMP 5.0 automatic omp declare target discovery and before IPA run perhaps another iteration of that and make sure that if we offload something, we either offload everything it refers to too (unless DECL_EXTERNAL), or diagnose it.
