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Fix some debug info issues

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This commit is contained in:
David Gonzalez Martin 2025-03-02 12:59:27 -06:00
parent 685bd20232
commit fb505ef88e
1 changed files with 16 additions and 9 deletions
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25
src/converter.zig
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@ -117,7 +117,7 @@ const Module = struct {
context: *llvm.Context,
handle: *llvm.Module,
builder: *llvm.Builder,
di_builder: ?*llvm.DI.Builder = null,
di_builder: ?*llvm.DI.Builder,
global_scope: *llvm.DI.Scope,
file: *llvm.DI.File,
pointer_type: *llvm.Type,
@ -260,6 +260,7 @@ const Module = struct {
.handle = handle,
.context = context,
.builder = context.create_builder(),
.di_builder = maybe_di_builder,
.pointer_type = context.get_pointer_type(default_address_space).to_type(),
.intrinsic_table = .{
.trap = llvm.lookup_intrinsic_id("llvm.trap"),
@ -2856,15 +2857,17 @@ pub noinline fn convert(arena: *Arena, options: ConvertOptions) void {
var debug_argument_type_buffer: [argument_buffer.len + 1]*llvm.DI.Type = undefined;
const semantic_debug_argument_types = debug_argument_type_buffer[0 .. semantic_argument_count + 1];
const semantic_arguments = argument_buffer[0..semantic_argument_count];
const semantic_argument_types = module.arena.allocate(*Type, semantic_argument_count);
for (semantic_arguments, semantic_argument_types) |argument, *argument_type| {
argument_type.* = argument.type;
}
const semantic_debug_argument_types = debug_argument_type_buffer[0 .. semantic_argument_count + 1];
semantic_debug_argument_types[0] = semantic_return_type.llvm.debug;
for (semantic_arguments, semantic_argument_types, semantic_debug_argument_types[1..]) |argument, *argument_type, *debug_argument_type| {
argument_type.* = argument.type;
debug_argument_type.* = argument.type.llvm.debug;
}
var return_type_abi: Abi.Information = undefined;
var argument_type_abi_buffer: [64]Abi.Information = undefined;
@ -3133,7 +3136,7 @@ pub noinline fn convert(arena: *Arena, options: ConvertOptions) void {
});
var subroutine_type: *llvm.DI.Type.Subroutine = undefined;
const current_scope: *llvm.DI.Scope = if (module.llvm.di_builder) |di_builder| blk: {
const function_scope: *llvm.DI.Scope = if (module.llvm.di_builder) |di_builder| blk: {
const subroutine_type_flags = llvm.DI.Flags{};
subroutine_type = di_builder.create_subroutine_type(module.llvm.file, semantic_debug_argument_types, subroutine_type_flags);
const scope_line: u32 = @intCast(converter.line_offset + 1);
@ -3185,7 +3188,7 @@ pub noinline fn convert(arena: *Arena, options: ConvertOptions) void {
true => .external_function,
false => .{
.function = .{
.current_scope = current_scope,
.current_scope = function_scope,
.attributes = function_attributes,
.return_pointer = undefined,
},
@ -3229,9 +3232,13 @@ pub noinline fn convert(arena: *Arena, options: ConvertOptions) void {
else => {},
}
module.llvm.builder.set_current_debug_location(null);
if (semantic_arguments.len > 0) {
const argument_variables = global.value.bb.function.arguments.add_many(semantic_argument_count);
for (semantic_arguments, argument_type_abis, argument_variables, 0..) |semantic_argument, argument_abi, *argument_variable, argument_index| {
if (module.llvm.di_builder) |_| {}
const argument_abi_count = argument_abi.indices[1] - argument_abi.indices[0];
const LowerKind = union(enum) {
direct,
@ -3345,9 +3352,9 @@ pub noinline fn convert(arena: *Arena, options: ConvertOptions) void {
if (module.llvm.di_builder) |di_builder| {
const always_preserve = true;
const flags = llvm.DI.Flags{};
const parameter_variable = di_builder.create_parameter_variable(global.value.bb.function.current_scope, semantic_argument.name, @intCast(argument_index + 1), module.llvm.file, semantic_argument.line, semantic_argument.type.llvm.debug, always_preserve, flags);
const parameter_variable = di_builder.create_parameter_variable(function_scope, semantic_argument.name, @intCast(argument_index + 1), module.llvm.file, semantic_argument.line, semantic_argument.type.llvm.debug, always_preserve, flags);
const inlined_at: ?*llvm.DI.Metadata = null; // TODO
const debug_location = llvm.DI.create_debug_location(module.llvm.context, semantic_argument.line, semantic_argument.column, global.value.bb.function.current_scope, inlined_at);
const debug_location = llvm.DI.create_debug_location(module.llvm.context, semantic_argument.line, semantic_argument.column, function_scope, inlined_at);
_ = di_builder.insert_declare_record_at_end(llvm_storage, parameter_variable, di_builder.null_expression(), debug_location, module.current_basic_block());
}
}