wip3
This commit is contained in:
David Gonzalez Martin
parent
ebac108da4
commit
d3af927719
@ -3029,7 +3029,7 @@ const Bitcode = struct {
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writer.write_sync_scope_names();
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for (&dummy_functions) |*function| {
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if (!function.is_declaration) {
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if (function.body != null) {
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writer.write_function(function);
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}
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}
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@ -3048,9 +3048,125 @@ const Bitcode = struct {
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}
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fn write_function(writer: *Writer, function: *const DummyFunction) void {
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_ = writer; // autofix
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_ = function; // autofix
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unreachable;
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writer.enter_subblock(.function, 4);
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const start = writer.buffer.length * 4;
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const body = function.body.?;
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var record = std.BoundedArray(u64, 64){};
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record.appendAssumeCapacity(body.basic_blocks.len);
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writer.emit_record(u64, @intFromEnum(FunctionCode.declare_blocks), record.constSlice(), 0);
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record.resize(0) catch unreachable;
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writer.write_constants(&.{ .null }, 0, 1, false);
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writer.write_function_metadata(function);
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for (body.basic_blocks) |*basic_block| {
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_ = basic_block; // autofix
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unreachable;
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}
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const dbg align(4) = [_]u8{
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0x61, 0x20, 0x00, 0x00,
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0x4d, 0x00, 0x00, 0x00,
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0x13, 0x04, 0x41, 0x2c,
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0x10, 0x00, 0x00, 0x00,
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0x01, 0x00, 0x00, 0x00,
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0x94, 0x11, 0x00, 0x00,
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0xf1, 0x30, 0x00, 0x00,
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0x24, 0x00, 0x00, 0x00,
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0x22, 0x47, 0xc8, 0x90,
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0x51, 0x16, 0xc4, 0x05,
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0xc4, 0x40, 0x10, 0x04,
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0x6d, 0x61, 0x69, 0x6e,
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0x69, 0x6e, 0x74, 0x63,
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0x68, 0x61, 0x72, 0x61,
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0x72, 0x67, 0x63, 0x61,
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0x72, 0x67, 0x76, 0x00,
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0xab, 0xa8, 0x83, 0xea,
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0x00, 0x2a, 0x40, 0x03,
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0x01, 0x40, 0x00, 0x10,
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0x99, 0x00, 0x20, 0x0d,
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0x00, 0x00, 0x00, 0xf6,
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0x1c, 0x00, 0x19, 0x78,
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0x60, 0x00, 0x14, 0xc0,
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0x9e, 0x03, 0x20, 0x83,
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0x0f, 0x01, 0x0c, 0x60,
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0x91, 0x03, 0x3c, 0x00,
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0x00, 0x00, 0x64, 0x00,
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0x0a, 0x00, 0x00, 0x00,
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0x00, 0xb0, 0xc8, 0x01,
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0x1e, 0x00, 0x00, 0x80,
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0x32, 0x00, 0x05, 0x00,
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0x00, 0x00, 0x00, 0xd8,
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0x30, 0x8c, 0xc1, 0x18,
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0x98, 0xc1, 0x26, 0x42,
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0x00, 0xce, 0x00, 0xd8,
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0x00, 0x8c, 0x53, 0x04,
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0x31, 0x00, 0x03, 0x2a,
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0x18, 0x83, 0x00, 0x00,
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0x80, 0x75, 0x81, 0x31,
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0x4e, 0x11, 0xc4, 0x20,
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0x0c, 0xa8, 0xc0, 0x0c,
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0x04, 0x00, 0x00, 0x26,
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0x08, 0x40, 0x33, 0x41,
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0x00, 0x1c, 0x00, 0x00,
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0x33, 0x11, 0x41, 0x60,
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0x8c, 0xc2, 0x4c, 0x44,
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0x10, 0x18, 0xa3, 0x30,
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0x13, 0x01, 0x04, 0x06,
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0x29, 0x0c, 0x1b, 0x10,
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0x03, 0x31, 0x00, 0xc3,
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0x06, 0x84, 0x60, 0x0c,
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0xc0, 0x88, 0xc1, 0x01,
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0x80, 0x20, 0x18, 0x14,
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0xce, 0xf8, 0xff, 0xff,
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0xff, 0x0f, 0xe6, 0xff,
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0xff, 0xff, 0x3f, 0x94,
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0xff, 0xff, 0xff, 0xff,
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0x30, 0x63, 0x50, 0x04,
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0x8e, 0x18, 0x00, 0xc0,
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0xb0, 0x01, 0x11, 0x14,
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0x04, 0x30, 0x62, 0x70,
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0x00, 0x20, 0x08, 0x06,
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0x85, 0x23, 0xfe, 0xff,
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0xff, 0xff, 0x03, 0xf9,
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0xff, 0xff, 0xff, 0x0f,
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0xe5, 0xff, 0xff, 0xff,
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0x3f, 0xcc, 0x18, 0x14,
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0xc1, 0x26, 0x06, 0x00,
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0xc0, 0xc4, 0x8c, 0x41,
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0x31, 0x14, 0x62, 0x00,
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0x00, 0x01, 0x31, 0x00,
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0x02, 0x00, 0x00, 0x00,
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0x5b, 0x04, 0x20, 0x0c,
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0x00, 0x00, 0x00, 0x00,
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0x21, 0x31, 0x00, 0x00,
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0x02, 0x00, 0x00, 0x00,
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0x0b, 0x86, 0x00, 0x08,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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};
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writer.exit_block();
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const end = writer.buffer.length * 4;
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const expected = debug_main_bitcode[start..end];
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const have = writer.get_byte_slice()[start..end];
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if (have.len != dbg.len) {
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std.debug.print("Expected approximately {} bytes, have {} bytes\n", .{dbg.len, have.len});
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exit(1);
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} else {
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std.testing.expectEqualSlices(u8, expected, have) catch unreachable;
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}
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}
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fn write_function_metadata(writer: *Writer, function: *const DummyFunction) void {
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writer.enter_subblock(.metadata, 3);
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var record = std.BoundedArray(u64, 64){};
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writer.write_metadata_strings(function.body.?.metadata_strings, &record);
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writer.write_metadata_records(function.body.?.metadata_records, &record);
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writer.exit_block();
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}
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fn write_symtab(writer: *Writer) void {
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@ -3791,7 +3907,7 @@ const Bitcode = struct {
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values.appendAssumeCapacity(@intCast(function.name.len));
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values.appendAssumeCapacity(function.type);
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values.appendAssumeCapacity(@intFromEnum(function.calling_convention));
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values.appendAssumeCapacity(@intFromBool(function.is_declaration));
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values.appendAssumeCapacity(@intFromBool(function.body == null));
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values.appendAssumeCapacity(@intFromEnum(function.linkage));
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values.appendAssumeCapacity(function.attribute_list_id);
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values.appendAssumeCapacity(function.alignment);
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@ -3837,7 +3953,7 @@ const Bitcode = struct {
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name: []const u8,
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type: u32,
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calling_convention: LLVM.Value.Constant.Function.CallingConvention,
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is_declaration: bool,
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body: ?Body,
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linkage: LLVM.BitcodeLinkage,
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attribute_list_id: u32,
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alignment: u32,
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@ -3854,6 +3970,15 @@ const Bitcode = struct {
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address_space: u32,
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partition_offset: u32,
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partition_len: u32,
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const Body = struct{
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basic_blocks: []const DummyFunction.BasicBlock,
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metadata_records: []const DummyMetadataRecord,
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metadata_strings: []const []const u8,
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};
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const BasicBlock = struct{};
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};
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const dummy_functions = [_]DummyFunction{
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@ -3861,7 +3986,11 @@ const Bitcode = struct {
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.name = "main",
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.type = 2,
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.calling_convention = .C,
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.is_declaration = false,
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.body = .{
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.basic_blocks = &.{},
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.metadata_records = &.{},
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.metadata_strings = &.{ "main", "int", "char", "argc", "argv" },
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},
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.linkage = .external,
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.attribute_list_id = 1,
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.alignment = 0,
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@ -3882,7 +4011,7 @@ const Bitcode = struct {
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.name = "llvm.dbg.declare",
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.type = 5,
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.calling_convention = .C,
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.is_declaration = true,
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.body = null,
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.linkage = .external,
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.attribute_list_id = 2,
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.alignment = 0,
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@ -3901,9 +4030,23 @@ const Bitcode = struct {
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},
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};
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const DummyConstant = union(enum) {
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integer: u64,
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null,
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};
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const dummy_module_constants = [_]DummyConstant{
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.{ .integer = 7 },
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.{ .integer = 5 },
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.{ .integer = 2 },
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.{ .integer = 3 },
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.{ .integer = 1 },
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.{ .integer = 4 },
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.{ .integer = 8 },
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};
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fn write_module_constants(writer: *Writer) void {
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std.debug.print("Module constants start\n", .{});
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writer.write_constants(0, 15, true);
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writer.write_constants(&dummy_module_constants, 0, 15, true);
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// 0x81, 0x00, 0x00, 0x00,
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// 0x07, 0x00, 0x00, 0x00,
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@ -3917,7 +4060,7 @@ const Bitcode = struct {
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}
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fn write_constants(writer: *Writer, first_value: u32, last_value: u32, is_global: bool) void {
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fn write_constants(writer: *Writer, constants: []const DummyConstant, first_value: u32, last_value: u32, is_global: bool) void {
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if (first_value == last_value) return;
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writer.enter_subblock(.constant, 4);
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const start = writer.buffer.length * 4;
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@ -3985,18 +4128,19 @@ const Bitcode = struct {
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record_buffer.resize(0) catch unreachable;
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}
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const Integer = struct{
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value: u64,
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};
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_ = Integer; // autofix
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const integers = [7]u64{7, 5, 2, 3, 1, 4, 8};
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for (integers) |int| {
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const v = encode_signed_int(int);
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record_buffer.appendAssumeCapacity(v);
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const code = ConstantCode.integer;
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const abbreviation = ConstantAbbreviationId.integer;
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writer.emit_record(u64, @intFromEnum(code), record_buffer.constSlice(), @intFromEnum(abbreviation));
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record_buffer.resize(0) catch unreachable;
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for (constants) |constant| {
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switch (constant) {
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.integer => |int| {
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const v = encode_signed_int(int);
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record_buffer.appendAssumeCapacity(v);
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writer.emit_record(u64, @intFromEnum(ConstantCode.integer), record_buffer.constSlice(), @intFromEnum(ConstantAbbreviationId.integer));
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record_buffer.resize(0) catch unreachable;
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},
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.null => {
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writer.emit_record(u64, @intFromEnum(ConstantCode.null), record_buffer.constSlice(), 0);
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record_buffer.resize(0) catch unreachable;
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},
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}
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}
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writer.exit_block();
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@ -4581,10 +4725,10 @@ const Bitcode = struct {
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// .{ .node = .{ .ops = &.{ 4 } } },
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};
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fn write_metadata_records(writer: *Writer, record: *std.BoundedArray(u64, 64)) void {
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fn write_metadata_records(writer: *Writer, metadata_records: []const DummyMetadataRecord, record: *std.BoundedArray(u64, 64)) void {
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var node_first = true;
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var node_a: u32 = 0;
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for (dummy_metadata_records) |metadata_record| {
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for (metadata_records) |metadata_record| {
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switch (metadata_record) {
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.value => |v| {
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record.appendAssumeCapacity(v.type_id);
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@ -5097,9 +5241,17 @@ const Bitcode = struct {
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writer.flush();
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// TODO: warning this can cause issues
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writer.append_bytes(blob);
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// align the buffer?
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// TODO: make this faster
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var i: usize = 0;
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while (i < blob.len - @sizeOf(u32)) : (i += @sizeOf(u32)) {
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const ptr: *const align(1) u32 = @ptrCast(&blob[i]);
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writer.write_raw(ptr.*);
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}
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while (i < blob.len) : (i += 1) {
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writer.emit(blob[i], @bitSizeOf(u8));
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}
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writer.flush();
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}
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fn emit_abbreviated_field(writer: *Writer, comptime T: type, operand: *Abbreviation.Op, value: T) void {
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