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Cache type layouts and union constantability, build nested constants once, create debug files lazily

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gingerBill committed 2026-10-03 01:26:01 +01:00
1 parent 3a45aaa539
commit 29106aaa1e
8 files changed
+168 -84
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src/llvm_backend_debug.cpp
+22 -7
View File
@@ -18,6 +18,21 @@ gb_internal void lb_set_llvm_metadata(lbModule *m, void *key, LLVMMetadataRef va
}
}
gb_internal LLVMMetadataRef lb_get_file_metadata(lbModule *m, AstFile *f) {
if (f == nullptr || m->debug_builder == nullptr) {
return nullptr;
}
MUTEX_GUARD(&m->debug_values_mutex);
LLVMMetadataRef res = lb_get_llvm_metadata(m, f);
if (res == nullptr) {
res = LLVMDIBuilderCreateFile(m->debug_builder,
cast(char const *)f->filename.text, f->filename.len,
cast(char const *)f->directory.text, f->directory.len);
lb_set_llvm_metadata(m, f, res);
}
return res;
}
gb_internal void lb_add_raddbg_string(lbModule *m, String const &str) {
mpsc_enqueue(&m->gen->raddebug_section_strings, copy_string(permanent_allocator(), str));
}
@@ -70,7 +85,7 @@ gb_internal LLVMMetadataRef lb_debug_end_location_from_ast(lbProcedure *p, Ast *
gb_internal void lb_debug_file_line(lbModule *m, Type *type, Ast *node, LLVMMetadataRef *file, unsigned *line) {
if (*file == nullptr && type->kind == Type_Named) {
if (node) {
*file = lb_get_llvm_metadata(m, node->file());
*file = lb_get_file_metadata(m, node->file());
*line = cast(unsigned)ast_token(node).pos.line;
}
}
@@ -174,7 +189,7 @@ gb_internal LLVMMetadataRef lb_debug_struct_field(lbModule *m, String const &nam
AstPackage *pkg = m->info->runtime_package;
GB_ASSERT(pkg->files.count != 0);
LLVMMetadataRef file = lb_get_llvm_metadata(m, pkg->files[0]);
LLVMMetadataRef file = lb_get_file_metadata(m, pkg->files[0]);
LLVMMetadataRef scope = file;
return LLVMDIBuilderCreateMemberType(m->debug_builder, scope, cast(char const *)name.text, name.len, file, field_line,
@@ -185,7 +200,7 @@ gb_internal LLVMMetadataRef lb_debug_struct_field(lbModule *m, String const &nam
gb_internal LLVMMetadataRef lb_debug_basic_struct(lbModule *m, String const &name, u64 size_in_bits, u32 align_in_bits, LLVMMetadataRef *elements, unsigned element_count) {
AstPackage *pkg = m->info->runtime_package;
GB_ASSERT(pkg->files.count != 0);
LLVMMetadataRef file = lb_get_llvm_metadata(m, pkg->files[0]);
LLVMMetadataRef file = lb_get_file_metadata(m, pkg->files[0]);
LLVMMetadataRef scope = file;
return LLVMDIBuilderCreateStructType(m->debug_builder, scope, cast(char const *)name.text, name.len, file, 1, size_in_bits, align_in_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
@@ -1119,7 +1134,7 @@ gb_internal LLVMMetadataRef lb_get_base_scope_metadata(lbModule *m, Scope *scope
}
}
if (scope->flags & ScopeFlag_File) {
found = lb_get_llvm_metadata(m, scope->file);
found = lb_get_file_metadata(m, scope->file);
if (found) {
return found;
}
@@ -1219,7 +1234,7 @@ gb_internal void lb_add_debug_local_variable(lbProcedure *p, LLVMValueRef ptr, T
AstFile *file = p->body->file();
LLVMMetadataRef llvm_scope = lb_get_current_debug_scope(p);
LLVMMetadataRef llvm_file = lb_get_llvm_metadata(m, file);
LLVMMetadataRef llvm_file = lb_get_file_metadata(m, file);
GB_ASSERT(llvm_scope != nullptr);
if (llvm_file == nullptr) {
llvm_file = LLVMDIScopeGetFile(llvm_scope);
@@ -1286,7 +1301,7 @@ gb_internal void lb_add_debug_param_variable(lbProcedure *p, LLVMValueRef ptr, T
AstFile *file = p->body->file();
LLVMMetadataRef llvm_scope = lb_get_current_debug_scope(p);
LLVMMetadataRef llvm_file = lb_get_llvm_metadata(m, file);
LLVMMetadataRef llvm_file = lb_get_file_metadata(m, file);
GB_ASSERT(llvm_scope != nullptr);
if (llvm_file == nullptr) {
llvm_file = LLVMDIScopeGetFile(llvm_scope);
@@ -1479,7 +1494,7 @@ gb_internal void lb_add_debug_label(lbProcedure *p, Ast *label, lbBlock *target)
}
AstFile *file = label->file();
LLVMMetadataRef llvm_file = lb_get_llvm_metadata(m, file);
LLVMMetadataRef llvm_file = lb_get_file_metadata(m, file);
if (llvm_file == nullptr) {
debugf("llvm file not found for label\n");
return;