diff options
Diffstat (limited to 'gcc/lto/lto.c')
| -rw-r--r-- | gcc/lto/lto.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c index daefa823db3..ab4c208670d 100644 --- a/gcc/lto/lto.c +++ b/gcc/lto/lto.c @@ -1824,11 +1824,18 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames) /* Merge global decls. */ lto_symtab_merge_decls (); - /* Mark cgraph nodes needed in the merged cgraph. - ??? Is this really necessary? */ - for (node = cgraph_nodes; node; node = node->next) - if (cgraph_decide_is_function_needed (node, node->decl)) - cgraph_mark_needed_node (node); + /* Mark cgraph nodes needed in the merged cgraph + This normally happens in whole-program pass, but for + ltrans the pass was already run at WPA phase. + + FIXME: This is not valid way to do so; nodes can be needed + for non-obvious reasons. We should stream the flags from WPA + phase. */ + if (flag_ltrans) + for (node = cgraph_nodes; node; node = node->next) + if (!node->global.inlined_to + && cgraph_decide_is_function_needed (node, node->decl)) + cgraph_mark_needed_node (node); timevar_push (TV_IPA_LTO_DECL_IO); |