diff options
Diffstat (limited to 'src/llvm_backend_utility.cpp')
| -rw-r--r-- | src/llvm_backend_utility.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/llvm_backend_utility.cpp b/src/llvm_backend_utility.cpp index f7807364a..fd3214f24 100644 --- a/src/llvm_backend_utility.cpp +++ b/src/llvm_backend_utility.cpp @@ -2787,3 +2787,183 @@ gb_internal LLVMAtomicOrdering llvm_atomic_ordering_from_odin(Ast *expr) { ExactValue value = type_and_value_of_expr(expr).value; return llvm_atomic_ordering_from_odin(value); } + + + +struct lbParaPolyEntry { + Entity *entity; + String canonical_name; + isize count; + isize total_code_size; +}; + +gb_internal isize lb_total_code_size(lbProcedure *p) { + isize instruction_count = 0; + + LLVMBasicBlockRef first = LLVMGetFirstBasicBlock(p->value); + + for (LLVMBasicBlockRef block = first; block != nullptr; block = LLVMGetNextBasicBlock(block)) { + for (LLVMValueRef instr = LLVMGetFirstInstruction(block); instr != nullptr; instr = LLVMGetNextInstruction(instr)) { + instruction_count += 1; + } + } + return instruction_count; + +} + +gb_internal void lb_do_para_poly_diagnostics(lbGenerator *gen) { + PtrMap<Entity * /* Parent */, lbParaPolyEntry> procs = {}; + map_init(&procs); + defer (map_destroy(&procs)); + + for (auto &entry : gen->modules) { + lbModule *m = entry.value; + for (lbProcedure *p : m->generated_procedures) { + Entity *e = p->entity; + if (e == nullptr) { + continue; + } + if (p->builder == nullptr) { + continue; + } + + DeclInfo *d = e->decl_info; + Entity *para_poly_parent = d->para_poly_original; + if (para_poly_parent == nullptr) { + continue; + } + + lbParaPolyEntry *entry = map_get(&procs, para_poly_parent); + if (entry == nullptr) { + lbParaPolyEntry entry = {}; + entry.entity = para_poly_parent; + entry.count = 0; + + + gbString w = string_canonical_entity_name(permanent_allocator(), entry.entity); + String name = make_string_c(w); + + for (isize i = 0; i < name.len; i++) { + String s = substring(name, i, name.len); + if (string_starts_with(s, str_lit(":proc"))) { + name = substring(name, 0, i); + break; + } + } + + entry.canonical_name = name; + + map_set(&procs, para_poly_parent, entry); + } + entry = map_get(&procs, para_poly_parent); + GB_ASSERT(entry != nullptr); + entry->count += 1; + entry->total_code_size += lb_total_code_size(p); + } + } + + + auto entries = array_make<lbParaPolyEntry>(heap_allocator(), 0, procs.count); + defer (array_free(&entries)); + + for (auto &entry : procs) { + array_add(&entries, entry.value); + } + + array_sort(entries, [](void const *a, void const *b) -> int { + lbParaPolyEntry *x = cast(lbParaPolyEntry *)a; + lbParaPolyEntry *y = cast(lbParaPolyEntry *)b; + if (x->total_code_size > y->total_code_size) { + return -1; + } + if (x->total_code_size < y->total_code_size) { + return +1; + } + return string_compare(x->canonical_name, y->canonical_name); + }); + + + gb_printf("Parametric Polymorphic Procedure Diagnostics\n"); + gb_printf("------------------------------------------------------------------------------------------\n"); + + gb_printf("Sorted by Total Instruction Count Descending (Top 100)\n\n"); + gb_printf("Total Instruction Count | Instantiation Count | Average Instruction Count | Procedure Name\n"); + + isize max_count = 100; + for (auto &entry : entries) { + isize code_size = entry.total_code_size; + isize count = entry.count; + String name = entry.canonical_name; + + f64 average = cast(f64)code_size / cast(f64)gb_max(count, 1); + + gb_printf("%23td | %19d | %25.2f | %.*s\n", code_size, count, average, LIT(name)); + if (max_count-- <= 0) { + break; + } + } + + gb_printf("------------------------------------------------------------------------------------------\n"); + + array_sort(entries, [](void const *a, void const *b) -> int { + lbParaPolyEntry *x = cast(lbParaPolyEntry *)a; + lbParaPolyEntry *y = cast(lbParaPolyEntry *)b; + if (x->count > y->count) { + return -1; + } + if (x->count < y->count) { + return +1; + } + + return string_compare(x->canonical_name, y->canonical_name); + }); + + gb_printf("Sorted by Total Instantiation Count Descending (Top 100)\n\n"); + gb_printf("Instantiation Count | Total Instruction Count | Average Instruction Count | Procedure Name\n"); + + max_count = 100; + for (auto &entry : entries) { + isize code_size = entry.total_code_size; + isize count = entry.count; + String name = entry.canonical_name; + + + f64 average = cast(f64)code_size / cast(f64)gb_max(count, 1); + + gb_printf("%19d | %23td | %25.2f | %.*s\n", count, code_size, average, LIT(name)); + if (max_count-- <= 0) { + break; + } + } + + gb_printf("------------------------------------------------------------------------------------------\n"); + + + array_sort(entries, [](void const *a, void const *b) -> int { + lbParaPolyEntry *x = cast(lbParaPolyEntry *)a; + lbParaPolyEntry *y = cast(lbParaPolyEntry *)b; + if (x->count < y->count) { + return -1; + } + if (x->count > y->count) { + return +1; + } + + return string_compare(x->canonical_name, y->canonical_name); + }); + + gb_printf("Single Instanced Parametric Polymorphic Procedures\n\n"); + gb_printf("Instruction Count | Procedure Name\n"); + for (auto &entry : entries) { + isize code_size = entry.total_code_size; + isize count = entry.count; + String name = entry.canonical_name; + if (count != 1) { + break; + } + + gb_printf("%17td | %.*s\n", code_size, LIT(name)); + } + + gb_printf("------------------------------------------------------------------------------------------\n"); +} |