)]}'
{
  "commit": "6481867ae01355a2fbf296561daee9af0376f736",
  "tree": "b77dafdfcd540e7b846e48f21c29f310c5a40162",
  "parents": [
    "4af34d33c9e006eb8a142fe09910e8d25c188a48"
  ],
  "author": {
    "name": "Josef Melcr",
    "email": "josef.melcr@suse.com",
    "time": "Tue Aug 11 10:35:16 2026 +0200"
  },
  "committer": {
    "name": "Josef Melcr",
    "email": "josef.melcr@suse.com",
    "time": "Thu Aug 13 11:56:15 2026 +0200"
  },
  "message": "ipa: Implement a summary for callback edges\n\nCurrently in trunk, every edge contains a 16 bit field called\ncallback_id, which is used to link callback edges to their attributes,\nfrom which all additional information is calculated as is needed.\n\nThis patch adds a new summary struct for callback edges, called\ncallback_info.  It allows us to remove callback_id from the main class\nand aggregate all relevant information, without having to recalculate it\nevery single time.\n\ngcc/ChangeLog:\n\n\t* Makefile.in: Add callback-info.o to OBJS.\n\t* attr-callback.cc (callback_fetch_attr_by_edge): Use fn_idx\n\tfrom the summary.\n\t(callback_get_arg_mapping): Replaced by\n\tcallback_get_arg_mapping_from_attr and the summary field.\n\t(callback_get_arg_mapping_from_attr): New function, parses the\n\tattr and returns the computed argument mapping.\n\t(callback_fetch_fn_position): Delete, obsoleted by the summary.\n\t(callback_edge_useful_p): Check for the redirected flag in the\n\tsummary instead of cgraph_node fields.\n\t* attr-callback.h (enum callback_position): Add comment.\n\t(enum arg_mapping_constants): New enum, defines the identifier\n\tfor -1 in the arg_mapping vector.\n\t(callback_get_arg_mapping): Delete.\n\t(callback_fetch_fn_position): Delete.\n\t(callback_get_arg_mapping_from_attr): Add decl.\n\t* cgraph.cc (symbol_table::create_edge): Remove callback_id initializer.\n\t(cgraph_edge::make_callback): Initialize the callback_info\n\tsummary, add necessary arguments.\n\t(cgraph_edge::redirect_callee): Set the redirected flag when\n\tredirecting a callback edge.\n\t(cgraph_edge::redirect_call_stmt_to_callee): Use the summary.\n\t(cgraph_node::verify_node): Remove callback_id checks.\n\t(cgraph_cc_finalize): Free the summaries.\n\t* cgraph.h: Remove callback_id from cgraph_edge, adjust decl of\n\tcgraph_edge::make_callback.\n\t* cgraphclones.cc (cgraph_edge::clone): Remove callback_id.\n\t* ipa-cp.cc (ipcp_driver): Initialize the summary sum.\n\t* ipa-prop.cc (ipa_compute_jump_functions_for_edge): Remove\n\tcallback_id, adjust call to make_callback, use the summary.\n\t(ipa_analyze_node): Initialize the summary sum.\n\t(ipa_register_cgraph_hooks): Likewise.\n\t* lto-cgraph.cc (lto_output_edge): Remove callback_id, stream\n\tout the summary.\n\t(output_symtab): Initialize the summary sum.\n\t(input_edge): Remove callback_id, stream in the summary.\n\t(input_cgraph_1): Initialize the summary sum.\n\t* callback-info.cc: New file.\n\t* callback-info.h: New file.\n\nSigned-off-by: Josef Melcr \u003cjosef.melcr@suse.com\u003e\n",
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