diff options
| -rw-r--r-- | passes/cmds/bugpoint.cc | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/passes/cmds/bugpoint.cc b/passes/cmds/bugpoint.cc index 8197b21f7..f2d70a3d1 100644 --- a/passes/cmds/bugpoint.cc +++ b/passes/cmds/bugpoint.cc @@ -77,6 +77,10 @@ struct BugpointPass : public Pass { log(" -connections\n"); log(" try to reconnect ports to 'x.\n"); log("\n"); + log(" -processes\n"); + log(" try to remove processes. processes with a (* bugpoint_keep *) attribute\n"); + log(" will be skipped.\n"); + log("\n"); log(" -assigns\n"); log(" try to remove process assigns from cases.\n"); log("\n"); @@ -132,7 +136,7 @@ struct BugpointPass : public Pass { return design_copy; } - RTLIL::Design *simplify_something(RTLIL::Design *design, int &seed, bool stage2, bool modules, bool ports, bool cells, bool connections, bool assigns, bool updates) + RTLIL::Design *simplify_something(RTLIL::Design *design, int &seed, bool stage2, bool modules, bool ports, bool cells, bool connections, bool processes, bool assigns, bool updates) { RTLIL::Design *design_copy = new RTLIL::Design; for (auto module : design->modules()) @@ -197,7 +201,6 @@ struct BugpointPass : public Pass { if (mod->get_blackbox_attribute()) continue; - Cell *removed_cell = nullptr; for (auto cell : mod->cells()) { @@ -260,6 +263,33 @@ struct BugpointPass : public Pass { } } } + if (processes) + { + for (auto mod : design_copy->modules()) + { + if (mod->get_blackbox_attribute()) + continue; + + RTLIL::IdString removed_process; + for (auto process : mod->processes) + { + if (process.second->get_bool_attribute(ID::bugpoint_keep)) + continue; + + if (index++ == seed) + { + log_header(design, "Trying to remove process %s.%s.\n", log_id(mod), log_id(process.first)); + removed_process = process.first; + break; + } + } + if (!removed_process.empty()) { + delete mod->processes[removed_process]; + mod->processes.erase(removed_process); + return design_copy; + } + } + } if (assigns) { for (auto mod : design_copy->modules()) @@ -320,7 +350,7 @@ struct BugpointPass : public Pass { { string yosys_cmd = "yosys", yosys_arg, grep; bool fast = false, clean = false; - bool modules = false, ports = false, cells = false, connections = false, assigns = false, updates = false, has_part = false; + bool modules = false, ports = false, cells = false, connections = false, processes = false, assigns = false, updates = false, has_part = false; log_header(design, "Executing BUGPOINT pass (minimize testcases).\n"); log_push(); @@ -376,6 +406,11 @@ struct BugpointPass : public Pass { has_part = true; continue; } + if (args[argidx] == "-processes") { + processes = true; + has_part = true; + continue; + } if (args[argidx] == "-assigns") { assigns = true; has_part = true; @@ -399,6 +434,7 @@ struct BugpointPass : public Pass { ports = true; cells = true; connections = true; + processes = true; assigns = true; updates = true; } @@ -416,7 +452,7 @@ struct BugpointPass : public Pass { bool found_something = false, stage2 = false; while (true) { - if (RTLIL::Design *simplified = simplify_something(crashing_design, seed, stage2, modules, ports, cells, connections, assigns, updates)) + if (RTLIL::Design *simplified = simplify_something(crashing_design, seed, stage2, modules, ports, cells, connections, processes, assigns, updates)) { simplified = clean_design(simplified, fast, /*do_delete=*/true); |