authorgravatar for luuk@degram.devLuuk de Gram <luuk@degram.dev> 2021-12-05 12:34:50+01:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2021-12-05 12:19:01-08:00
log9e03cf948948ea25feb3f413f234e98e71d55786
tree79a20fe0103e9615e1193bc2320d95523bf03601
parenta1b79ea5857a52332d9da49d261a7fd04e52a466

wasm: Initial behavior tests succeeding

- Correctly load slice value on stack - Implement WrapErrorUnionErr and payload - Implement trunc, fix sliceLen and write undefined - Implement slice as return type and argument Note: This also fixes a memory leak for inferred error sets, and for usingnamespace

7 files changed, 505 insertions(+), 285 deletions(-)

ci/zinc/linux_test.sh+1
......@@ -6,6 +6,7 @@ ZIG=$DEBUG_STAGING/bin/zig
66
77$ZIG test test/behavior.zig -fno-stage1 -fLLVM -I test
88$ZIG test test/behavior.zig -fno-stage1 -ofmt=c -I test
9$ZIG test test/behavior.zig -fno-stage1 -target wasm32-wasi --test-cmd wasmtime --test-cmd-bin
910
1011$ZIG build test-behavior -fqemu -fwasmtime
1112$ZIG build test-compiler-rt -fqemu -fwasmtime
src/Module.zig+8-4
......@@ -1226,19 +1226,20 @@ pub const Fn = struct {
12261226 };
12271227
12281228 pub fn deinit(func: *Fn, gpa: Allocator) void {
1229 if (func.getInferredErrorSet()) |map| {
1230 map.deinit(gpa);
1229 if (func.getInferredErrorSet()) |error_set_data| {
1230 error_set_data.map.deinit(gpa);
1231 error_set_data.functions.deinit(gpa);
12311232 }
12321233 }
12331234
1234 pub fn getInferredErrorSet(func: *Fn) ?*std.StringHashMapUnmanaged(void) {
1235 pub fn getInferredErrorSet(func: *Fn) ?*Type.Payload.ErrorSetInferred.Data {
12351236 const ret_ty = func.owner_decl.ty.fnReturnType();
12361237 if (ret_ty.tag() == .generic_poison) {
12371238 return null;
12381239 }
12391240 if (ret_ty.zigTypeTag() == .ErrorUnion) {
12401241 if (ret_ty.errorUnionSet().castTag(.error_set_inferred)) |payload| {
1241 return &payload.data.map;
1242 return &payload.data;
12421243 }
12431244 }
12441245 return null;
......@@ -1301,6 +1302,7 @@ pub const Namespace = struct {
13011302 key.destroy(mod);
13021303 }
13031304 anon_decls.deinit(gpa);
1305 ns.usingnamespace_set.deinit(gpa);
13041306 }
13051307
13061308 pub fn deleteAllDecls(
......@@ -1332,6 +1334,8 @@ pub const Namespace = struct {
13321334 child_decl.destroy(mod);
13331335 }
13341336 anon_decls.deinit(gpa);
1337
1338 ns.usingnamespace_set.deinit(gpa);
13351339 }
13361340
13371341 // This renders e.g. "std.fs.Dir.OpenOptions"
src/arch/wasm/CodeGen.zig+271-100
......@@ -6,6 +6,7 @@ const testing = std.testing;
66const leb = std.leb;
77const mem = std.mem;
88const wasm = std.wasm;
9const log = std.log.scoped(.codegen);
910
1011const Module = @import("../../Module.zig");
1112const Decl = Module.Decl;
......@@ -550,7 +551,7 @@ mir_extra: std.ArrayListUnmanaged(u32) = .{},
550551initial_stack_value: WValue = .none,
551552/// Arguments of this function declaration
552553/// This will be set after `resolveCallingConventionValues`
553args: []WValue = undefined,
554args: []WValue = &.{},
554555/// This will only be `.none` if the function returns void, or returns an immediate.
555556/// When it returns a pointer to the stack, the `.local` tag will be active and must be populated
556557/// before this function returns its execution to the caller.
......@@ -562,8 +563,6 @@ const InnerError = error{
562563 CodegenFail,
563564 /// Can occur when dereferencing a pointer that points to a `Decl` of which the analysis has failed
564565 AnalysisFail,
565 /// Failed to emit MIR instructions to binary/textual representation.
566 EmitFail,
567566 /// Compiler implementation could not handle a large integer.
568567 Overflow,
569568};
......@@ -800,7 +799,7 @@ pub fn genFunc(self: *Self) InnerError!Result {
800799 emit.emitMir() catch |err| switch (err) {
801800 error.EmitFail => {
802801 self.err_msg = emit.error_msg.?;
803 return error.EmitFail;
802 return error.CodegenFail;
804803 },
805804 else => |e| return e,
806805 };
......@@ -809,8 +808,34 @@ pub fn genFunc(self: *Self) InnerError!Result {
809808 return Result.appended;
810809}
811810
811pub fn genDecl(self: *Self) InnerError!Result {
812 const decl = self.decl;
813 assert(decl.has_tv);
814
815 log.debug("gen: {s} type: {}, value: {}", .{ decl.name, decl.ty, decl.val });
816
817 if (decl.val.castTag(.function)) |func_payload| {
818 _ = func_payload;
819 return self.fail("TODO wasm backend genDecl function pointer", .{});
820 } else if (decl.val.castTag(.extern_fn)) |extern_fn| {
821 const ext_decl = extern_fn.data;
822 var func_type = try self.genFunctype(ext_decl.ty);
823 func_type.deinit(self.gpa);
824 ext_decl.fn_link.wasm.type_index = try self.bin_file.putOrGetFuncType(func_type);
825 return Result.appended;
826 } else {
827 const init_val = if (decl.val.castTag(.variable)) |payload| init_val: {
828 break :init_val payload.data.init;
829 } else decl.val;
830 if (init_val.tag() != .unreachable_value) {
831 return try self.genTypedValue(decl.ty, init_val);
832 }
833 return Result.appended;
834 }
835}
836
812837/// Generates the wasm bytecode for the declaration belonging to `Context`
813pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
838fn genTypedValue(self: *Self, ty: Type, val: Value) InnerError!Result {
814839 if (val.isUndef()) {
815840 try self.code.appendNTimes(0xaa, @intCast(usize, ty.abiSize(self.target)));
816841 return Result.appended;
......@@ -822,16 +847,16 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
822847 .function => val.castTag(.function).?.data.owner_decl,
823848 else => unreachable,
824849 };
825 return try self.lowerDeclRef(fn_decl);
850 return try self.lowerDeclRef(ty, val, fn_decl);
826851 },
827852 .Optional => {
828853 var opt_buf: Type.Payload.ElemType = undefined;
829854 const payload_type = ty.optionalChild(&opt_buf);
830855 if (ty.isPtrLikeOptional()) {
831856 if (val.castTag(.opt_payload)) |payload| {
832 return try self.genDecl(payload_type, payload.data);
857 return try self.genTypedValue(payload_type, payload.data);
833858 } else if (!val.isNull()) {
834 return try self.genDecl(payload_type, val);
859 return try self.genTypedValue(payload_type, val);
835860 } else {
836861 try self.code.appendNTimes(0, @intCast(usize, ty.abiSize(self.target)));
837862 return Result.appended;
......@@ -839,7 +864,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
839864 }
840865 // `null-tag` byte
841866 try self.code.appendNTimes(@boolToInt(!val.isNull()), 4);
842 const pl_result = try self.genDecl(
867 const pl_result = try self.genTypedValue(
843868 payload_type,
844869 if (val.castTag(.opt_payload)) |pl| pl.data else Value.initTag(.undef),
845870 );
......@@ -855,7 +880,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
855880 if (ty.sentinel()) |sentinel| {
856881 try self.code.appendSlice(payload.data);
857882
858 switch (try self.genDecl(ty.childType(), sentinel)) {
883 switch (try self.genTypedValue(ty.childType(), sentinel)) {
859884 .appended => return Result.appended,
860885 .externally_managed => |data| {
861886 try self.code.appendSlice(data);
......@@ -869,22 +894,20 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
869894 const elem_vals = val.castTag(.array).?.data;
870895 const elem_ty = ty.elemType();
871896 for (elem_vals) |elem_val| {
872 switch (try self.genDecl(elem_ty, elem_val)) {
897 switch (try self.genTypedValue(elem_ty, elem_val)) {
873898 .appended => {},
874 .externally_managed => |data| {
875 try self.code.appendSlice(data);
876 },
899 .externally_managed => |data| try self.code.appendSlice(data),
877900 }
878901 }
879902 return Result.appended;
880903 },
881 else => return self.fail("TODO implement genDecl for array type value: {s}", .{@tagName(val.tag())}),
904 else => return self.fail("TODO implement genTypedValue for array type value: {s}", .{@tagName(val.tag())}),
882905 },
883906 .Int => {
884907 const info = ty.intInfo(self.target);
885908 const abi_size = @intCast(usize, ty.abiSize(self.target));
886909 // todo: Implement integer sizes larger than 64bits
887 if (info.bits > 64) return self.fail("TODO: Implement genDecl for integer bit size: {d}", .{info.bits});
910 if (info.bits > 64) return self.fail("TODO: Implement genTypedValue for integer bit size: {d}", .{info.bits});
888911 var buf: [8]u8 = undefined;
889912 if (info.signedness == .unsigned) {
890913 std.mem.writeIntLittle(u64, &buf, val.toUnsignedInt());
......@@ -906,8 +929,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
906929 for (field_vals) |field_val, index| {
907930 const field_ty = ty.structFieldType(index);
908931 if (!field_ty.hasCodeGenBits()) continue;
909
910 switch (try self.genDecl(field_ty, field_val)) {
932 switch (try self.genTypedValue(field_ty, field_val)) {
911933 .appended => {},
912934 .externally_managed => |payload| try self.code.appendSlice(payload),
913935 }
......@@ -923,21 +945,21 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
923945 .Pointer => switch (val.tag()) {
924946 .variable => {
925947 const decl = val.castTag(.variable).?.data.owner_decl;
926 return try self.lowerDeclRef(decl);
948 return try self.lowerDeclRef(ty, val, decl);
927949 },
928950 .decl_ref => {
929951 const decl = val.castTag(.decl_ref).?.data;
930 return try self.lowerDeclRef(decl);
952 return try self.lowerDeclRef(ty, val, decl);
931953 },
932954 .slice => {
933955 const slice = val.castTag(.slice).?.data;
934956 var buf: Type.SlicePtrFieldTypeBuffer = undefined;
935957 const ptr_ty = ty.slicePtrFieldType(&buf);
936 switch (try self.genDecl(ptr_ty, slice.ptr)) {
958 switch (try self.genTypedValue(ptr_ty, slice.ptr)) {
937959 .externally_managed => |data| try self.code.appendSlice(data),
938960 .appended => {},
939961 }
940 switch (try self.genDecl(Type.usize, slice.len)) {
962 switch (try self.genTypedValue(Type.usize, slice.len)) {
941963 .externally_managed => |data| try self.code.appendSlice(data),
942964 .appended => {},
943965 }
......@@ -949,13 +971,25 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
949971 }
950972}
951973
952fn lowerDeclRef(self: *Self, decl: *Module.Decl) InnerError!Result {
953 decl.alive = true;
974fn lowerDeclRef(self: *Self, ty: Type, val: Value, decl: *Module.Decl) InnerError!Result {
975 if (ty.isSlice()) {
976 var buf: Type.SlicePtrFieldTypeBuffer = undefined;
977 const slice_ty = ty.slicePtrFieldType(&buf);
978 switch (try self.genTypedValue(slice_ty, val)) {
979 .appended => {},
980 .externally_managed => |payload| try self.code.appendSlice(payload),
981 }
982 var slice_len: Value.Payload.U64 = .{
983 .base = .{ .tag = .int_u64 },
984 .data = val.sliceLen(),
985 };
986 return try self.genTypedValue(Type.usize, Value.initPayload(&slice_len.base));
987 }
954988
955989 const offset = @intCast(u32, self.code.items.len);
956990 const atom = &self.decl.link.wasm;
957991 const target_sym_index = decl.link.wasm.sym_index;
958
992 decl.alive = true;
959993 if (decl.ty.zigTypeTag() == .Fn) {
960994 // We found a function pointer, so add it to our table,
961995 // as function pointers are not allowed to be stored inside the data section,
......@@ -1014,7 +1048,7 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) InnerError!CallWValu
10141048
10151049 const ret_ty = fn_ty.fnReturnType();
10161050 switch (ret_ty.zigTypeTag()) {
1017 .ErrorUnion, .Optional => result.return_value = try self.allocLocal(Type.initTag(.i32)),
1051 .ErrorUnion, .Optional, .Pointer => result.return_value = try self.allocLocal(Type.initTag(.i32)),
10181052 .Int, .Float, .Bool, .Void, .NoReturn => {},
10191053 else => return self.fail("TODO: Implement function return type {}", .{ret_ty}),
10201054 }
......@@ -1028,6 +1062,11 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) InnerError!CallWValu
10281062 };
10291063
10301064 try self.moveStack(offset, result.return_value.local);
1065
1066 // We want to make sure the return value's stack value doesn't get overwritten,
1067 // so set initial stack value to current's position instead.
1068 try self.addLabel(.global_get, 0);
1069 try self.addLabel(.local_set, self.initial_stack_value.local);
10311070 }
10321071 },
10331072 else => return self.fail("TODO implement function parameters for cc '{}' on wasm", .{cc}),
......@@ -1042,10 +1081,6 @@ fn initializeStack(self: *Self) !void {
10421081 assert(self.initial_stack_value == .none);
10431082 // reserve space for immediate value
10441083 // get stack pointer global
1045 // TODO: For now, we hardcode the stack pointer to index '0',
1046 // once the linker is further implemented, we can replace this by inserting
1047 // a relocation and have the linker resolve the correct index to the stack pointer global.
1048 // NOTE: relocations of the type GLOBAL_INDEX_LEB are 5-bytes big
10491084 try self.addLabel(.global_get, 0);
10501085
10511086 // Reserve a local to store the current stack pointer
......@@ -1074,8 +1109,6 @@ fn restoreStackPointer(self: *Self) !void {
10741109/// the result back into the stack pointer.
10751110fn moveStack(self: *Self, offset: u32, local: u32) !void {
10761111 if (offset == 0) return;
1077 // TODO: Rather than hardcode the stack pointer to position 0,
1078 // have the linker resolve its relocation
10791112 try self.addLabel(.global_get, 0);
10801113 try self.addImm32(@bitCast(i32, offset));
10811114 try self.addTag(.i32_sub);
......@@ -1083,6 +1116,13 @@ fn moveStack(self: *Self, offset: u32, local: u32) !void {
10831116 try self.addLabel(.global_set, 0);
10841117}
10851118
1119/// From given zig bitsize, returns the wasm bitsize
1120fn toWasmIntBits(bits: u16) ?u16 {
1121 return for ([_]u16{ 32, 64 }) |wasm_bits| {
1122 if (bits <= wasm_bits) return wasm_bits;
1123 } else null;
1124}
1125
10861126fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
10871127 const air_tags = self.air.instructions.items(.tag);
10881128 return switch (air_tags[inst]) {
......@@ -1129,11 +1169,15 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
11291169 .load => self.airLoad(inst),
11301170 .loop => self.airLoop(inst),
11311171 .not => self.airNot(inst),
1172 .optional_payload => self.airOptionalPayload(inst),
1173 .optional_payload_ptr => self.airOptionalPayload(inst),
1174 .optional_payload_ptr_set => self.airOptionalPayloadPtrSet(inst),
11321175 .ret => self.airRet(inst),
11331176 .ret_ptr => self.airRetPtr(inst),
11341177 .ret_load => self.airRetLoad(inst),
11351178 .slice_len => self.airSliceLen(inst),
11361179 .slice_elem_val => self.airSliceElemVal(inst),
1180 .slice_ptr => self.airSlicePtr(inst),
11371181 .store => self.airStore(inst),
11381182 .struct_field_ptr => self.airStructFieldPtr(inst),
11391183 .struct_field_ptr_index_0 => self.airStructFieldPtrIndex(inst, 0),
......@@ -1142,16 +1186,14 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
11421186 .struct_field_ptr_index_3 => self.airStructFieldPtrIndex(inst, 3),
11431187 .struct_field_val => self.airStructFieldVal(inst),
11441188 .switch_br => self.airSwitchBr(inst),
1189 .trunc => self.airTrunc(inst),
11451190 .unreach => self.airUnreachable(inst),
1146 .wrap_optional => self.airWrapOptional(inst),
11471191
1192 .wrap_optional => self.airWrapOptional(inst),
11481193 .unwrap_errunion_payload => self.airUnwrapErrUnionPayload(inst),
11491194 .unwrap_errunion_err => self.airUnwrapErrUnionError(inst),
11501195 .wrap_errunion_payload => self.airWrapErrUnionPayload(inst),
1151
1152 .optional_payload => self.airOptionalPayload(inst),
1153 .optional_payload_ptr => self.airOptionalPayload(inst),
1154 .optional_payload_ptr_set => self.airOptionalPayloadPtrSet(inst),
1196 .wrap_errunion_err => self.airWrapErrUnionErr(inst),
11551197 else => |tag| self.fail("TODO: Implement wasm inst: {s}", .{@tagName(tag)}),
11561198 };
11571199}
......@@ -1193,15 +1235,15 @@ fn airRetPtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
11931235 // local, containing the offset to the stack position
11941236 const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i32
11951237 try self.moveStack(@intCast(u32, abi_size), local.local);
1196
11971238 return local;
11981239}
11991240
12001241fn airRetLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
12011242 const un_op = self.air.instructions.items(.data)[inst].un_op;
12021243 const operand = self.resolveInst(un_op);
1203 const result = try self.load(operand, self.air.typeOf(un_op), 0);
1204 try self.addLabel(.local_get, result.local);
1244
1245 const result = try self.load(operand, self.air.typeOf(un_op).childType(), 0);
1246 try self.emitWValue(result);
12051247 try self.restoreStackPointer();
12061248 try self.addTag(.@"return");
12071249 return .none;
......@@ -1231,8 +1273,25 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
12311273 };
12321274
12331275 for (args) |arg| {
1234 const arg_val = self.resolveInst(@intToEnum(Air.Inst.Ref, arg));
1235 try self.emitWValue(arg_val);
1276 const arg_ref = @intToEnum(Air.Inst.Ref, arg);
1277 const arg_val = self.resolveInst(arg_ref);
1278
1279 const arg_ty = self.air.typeOf(arg_ref);
1280 switch (arg_ty.zigTypeTag()) {
1281 .Struct, .Pointer, .Optional, .ErrorUnion => {
1282 // single pointer can be passed directly
1283 if (arg_ty.isSinglePointer() or arg_val != .constant) {
1284 try self.emitWValue(arg_val);
1285 continue;
1286 }
1287 const abi_size = arg_ty.abiSize(self.target);
1288 const arg_local = try self.allocLocal(Type.initTag(.i32));
1289 try self.moveStack(@intCast(u32, abi_size), arg_local.local);
1290 try self.store(arg_local, arg_val, arg_ty, 0);
1291 try self.emitWValue(arg_local);
1292 },
1293 else => try self.emitWValue(arg_val),
1294 }
12361295 }
12371296
12381297 if (target) |direct| {
......@@ -1242,8 +1301,11 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
12421301 // so load its value onto the stack
12431302 std.debug.assert(ty.zigTypeTag() == .Pointer);
12441303 const operand = self.resolveInst(pl_op.operand);
1245 try self.emitWValue(operand);
1246 const result = try self.load(operand, fn_ty, operand.local_with_offset.offset);
1304 const offset = switch (operand) {
1305 .local_with_offset => |with_offset| with_offset.offset,
1306 else => @as(u32, 0),
1307 };
1308 const result = try self.load(operand, fn_ty, offset);
12471309 try self.addLabel(.local_get, result.local);
12481310
12491311 var fn_type = try self.genFunctype(fn_ty);
......@@ -1254,14 +1316,12 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
12541316 }
12551317
12561318 const ret_ty = fn_ty.fnReturnType();
1257 switch (ret_ty.zigTypeTag()) {
1258 .Void, .NoReturn => return WValue.none,
1259 else => {
1260 const result_local = try self.allocLocal(ret_ty);
1261 try self.addLabel(.local_set, result_local.local);
1262 return result_local;
1263 },
1264 }
1319 if (!ret_ty.hasCodeGenBits()) return WValue.none;
1320
1321 const result_local = try self.allocLocal(ret_ty);
1322 try self.addLabel(.local_set, result_local.local);
1323 // if the result was allocated on the virtual stack, we must load
1324 return result_local;
12651325}
12661326
12671327fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
......@@ -1278,7 +1338,6 @@ fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
12781338 // local, containing the offset to the stack position
12791339 const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i32
12801340 try self.moveStack(@intCast(u32, abi_size), local.local);
1281
12821341 return local;
12831342}
12841343
......@@ -1330,14 +1389,16 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
13301389 .local => {
13311390 // Load values from `rhs` stack position and store in `lhs` instead
13321391 const tag_local = try self.load(rhs, tag_ty, 0);
1333 const payload_local = try self.load(rhs, payload_ty, payload_offset);
1334
1335 try self.store(lhs, tag_local, tag_ty, 0);
1336 return try self.store(lhs, payload_local, payload_ty, payload_offset);
1392 if (payload_ty.hasCodeGenBits()) {
1393 const payload_local = try self.load(rhs, payload_ty, payload_offset);
1394 try self.store(lhs, payload_local, payload_ty, payload_offset);
1395 }
1396 return try self.store(lhs, tag_local, tag_ty, 0);
13371397 },
13381398 .local_with_offset => |with_offset| {
13391399 const tag_local = try self.allocLocal(tag_ty);
13401400 try self.addImm32(0);
1401 try self.addLabel(.local_set, tag_local.local);
13411402 try self.store(lhs, tag_local, tag_ty, 0);
13421403
13431404 return try self.store(
......@@ -1366,6 +1427,18 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
13661427 }
13671428 return;
13681429 },
1430 .Pointer => {
1431 if (ty.isSlice() and rhs == .constant) {
1432 try self.emitWValue(rhs);
1433 const len_local = try self.allocLocal(Type.usize);
1434 const ptr_local = try self.allocLocal(Type.usize);
1435 try self.addLabel(.local_set, len_local.local);
1436 try self.addLabel(.local_set, ptr_local.local);
1437 try self.store(lhs, ptr_local, Type.usize, 0);
1438 try self.store(lhs, len_local, Type.usize, self.target.cpu.arch.ptrBitWidth() / 8);
1439 return;
1440 }
1441 },
13691442 else => {},
13701443 }
13711444 try self.emitWValue(lhs);
......@@ -1402,6 +1475,8 @@ fn airLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
14021475 const operand = self.resolveInst(ty_op.operand);
14031476 const ty = self.air.getRefType(ty_op.ty);
14041477
1478 if (!ty.hasCodeGenBits()) return WValue{ .none = {} };
1479
14051480 return switch (ty.zigTypeTag()) {
14061481 .Struct, .ErrorUnion, .Optional, .Pointer => operand, // pass as pointer
14071482 else => switch (operand) {
......@@ -1415,7 +1490,10 @@ fn load(self: *Self, operand: WValue, ty: Type, offset: u32) InnerError!WValue {
14151490 // load local's value from memory by its stack position
14161491 try self.emitWValue(operand);
14171492 // Build the opcode with the right bitsize
1418 const signedness: std.builtin.Signedness = if (ty.isUnsignedInt()) .unsigned else .signed;
1493 const signedness: std.builtin.Signedness = if (ty.isUnsignedInt() or ty.zigTypeTag() == .ErrorSet)
1494 .unsigned
1495 else
1496 .signed;
14191497 // check if we should pass by pointer or value based on ABI size
14201498 // TODO: Implement a way to get ABI values from a given type,
14211499 // that is portable across the backend, rather than copying logic.
......@@ -1526,6 +1604,7 @@ fn airWrapBinOp(self: *Self, inst: Air.Inst.Index, op: Op) InnerError!WValue {
15261604}
15271605
15281606fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
1607 if (val.isUndefDeep()) return self.emitUndefined(ty);
15291608 switch (ty.zigTypeTag()) {
15301609 .Int => {
15311610 const int_info = ty.intInfo(self.target);
......@@ -1553,10 +1632,21 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
15531632 }
15541633 },
15551634 .Pointer => {
1556 if (val.castTag(.decl_ref)) |payload| {
1635 if (val.castTag(.slice)) |slice| {
1636 var buf: Type.SlicePtrFieldTypeBuffer = undefined;
1637 try self.emitConstant(slice.data.ptr, ty.slicePtrFieldType(&buf));
1638 try self.emitConstant(slice.data.len, Type.usize);
1639 } else if (val.castTag(.decl_ref)) |payload| {
15571640 const decl = payload.data;
15581641 decl.alive = true;
1559 try self.addLabel(.memory_address, decl.link.wasm.sym_index);
1642 // Function pointers use a table index, rather than a memory address
1643 if (decl.ty.zigTypeTag() == .Fn) {
1644 const target_sym_index = decl.link.wasm.sym_index;
1645 try self.bin_file.addTableFunction(target_sym_index);
1646 try self.addLabel(.function_index, target_sym_index);
1647 } else {
1648 try self.addLabel(.memory_address, decl.link.wasm.sym_index);
1649 }
15601650 } else return self.fail("Wasm TODO: emitConstant for other const pointer tag {s}", .{val.tag()});
15611651 },
15621652 .Void => {},
......@@ -1631,6 +1721,22 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
16311721 }
16321722}
16331723
1724fn emitUndefined(self: *Self, ty: Type) InnerError!void {
1725 switch (ty.zigTypeTag()) {
1726 .Int => switch (ty.intInfo(self.target).bits) {
1727 0...32 => try self.addImm32(@bitCast(i32, @as(u32, 0xaaaaaaaa))),
1728 33...64 => try self.addImm64(0xaaaaaaaaaaaaaaaa),
1729 else => |bits| return self.fail("Wasm TODO: emitUndefined for integer bitsize: {d}", .{bits}),
1730 },
1731 .Float => switch (ty.floatBits(self.target)) {
1732 0...32 => try self.addInst(.{ .tag = .f32_const, .data = .{ .float32 = @bitCast(f32, @as(u32, 0xaaaaaaaa)) } }),
1733 33...64 => try self.addFloat64(@bitCast(f64, @as(u64, 0xaaaaaaaaaaaaaaaa))),
1734 else => |bits| return self.fail("Wasm TODO: emitUndefined for float bitsize: {d}", .{bits}),
1735 },
1736 else => return self.fail("Wasm TODO: emitUndefined for type: {}\n", .{ty}),
1737 }
1738}
1739
16341740/// Returns a `Value` as a signed 32 bit value.
16351741/// It's illegal to provide a value with a type that cannot be represented
16361742/// as an integer value.
......@@ -1781,7 +1887,7 @@ fn airCmp(self: *Self, inst: Air.Inst.Index, op: std.math.CompareOperator) Inner
17811887 });
17821888 try self.addTag(Mir.Inst.Tag.fromOpcode(opcode));
17831889
1784 const cmp_tmp = try self.allocLocal(lhs_ty);
1890 const cmp_tmp = try self.allocLocal(Type.initTag(.i32)); // bool is always i32
17851891 try self.addLabel(.local_set, cmp_tmp.local);
17861892 return cmp_tmp;
17871893}
......@@ -2081,9 +2187,25 @@ fn airUnwrapErrUnionError(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
20812187}
20822188
20832189fn airWrapErrUnionPayload(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2190 if (self.liveness.isUnused(inst)) return WValue.none;
20842191 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2085 _ = ty_op;
2086 return self.fail("TODO: wasm airWrapErrUnionPayload", .{});
2192 const operand = self.resolveInst(ty_op.operand);
2193
2194 const op_ty = self.air.typeOf(ty_op.operand);
2195 if (!op_ty.hasCodeGenBits()) return WValue.none;
2196 const err_ty = self.air.getRefType(ty_op.ty);
2197 const offset = err_ty.errorUnionSet().abiSize(self.target);
2198
2199 return WValue{ .local_with_offset = .{
2200 .local = operand.local,
2201 .offset = @intCast(u32, offset),
2202 } };
2203}
2204
2205fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2206 if (self.liveness.isUnused(inst)) return WValue.none;
2207 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2208 return self.resolveInst(ty_op.operand);
20872209}
20882210
20892211fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
......@@ -2092,20 +2214,26 @@ fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
20922214 const operand = self.resolveInst(ty_op.operand);
20932215 const ref_ty = self.air.typeOf(ty_op.operand);
20942216 const ref_info = ref_ty.intInfo(self.target);
2095 const op_bits = ref_info.bits;
2096 const wanted_bits = ty.intInfo(self.target).bits;
2217 const wanted_info = ty.intInfo(self.target);
20972218
2098 if (op_bits > 32 and wanted_bits <= 32) {
2219 const op_bits = toWasmIntBits(ref_info.bits) orelse
2220 return self.fail("TODO: Wasm intcast integer types of bitsize: {d}", .{ref_info.bits});
2221 const wanted_bits = toWasmIntBits(wanted_info.bits) orelse
2222 return self.fail("TODO: Wasm intcast integer types of bitsize: {d}", .{wanted_info.bits});
2223
2224 // hot path
2225 if (op_bits == wanted_bits) return operand;
2226
2227 if (op_bits > 32 and wanted_bits == 32) {
20992228 try self.emitWValue(operand);
21002229 try self.addTag(.i32_wrap_i64);
2101 } else if (op_bits <= 32 and wanted_bits > 32) {
2230 } else if (op_bits == 32 and wanted_bits > 32) {
21022231 try self.emitWValue(operand);
21032232 try self.addTag(switch (ref_info.signedness) {
21042233 .signed => .i64_extend_i32_s,
21052234 .unsigned => .i64_extend_i32_u,
21062235 });
2107 } else return operand;
2108
2236 }
21092237 const result = try self.allocLocal(ty);
21102238 try self.addLabel(.local_set, result.local);
21112239 return result;
......@@ -2180,19 +2308,7 @@ fn airSliceLen(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
21802308 const operand = self.resolveInst(ty_op.operand);
21812309 const pointer_width = self.target.cpu.arch.ptrBitWidth() / 8;
21822310
2183 // Get pointer to slice
2184 try self.emitWValue(operand);
2185 // length of slice is stored after the pointer of the slice
2186 const extra_index = try self.addExtra(Mir.MemArg{
2187 .offset = pointer_width,
2188 .alignment = pointer_width,
2189 });
2190 try self.addInst(.{ .tag = .i32_load, .data = .{ .payload = extra_index } });
2191
2192 const result = try self.allocLocal(Type.initTag(.i32)); // pointer is always i32
2193 // store slice length in local
2194 try self.addLabel(.local_set, result.local);
2195 return result;
2311 return try self.load(operand, Type.usize, pointer_width);
21962312}
21972313
21982314fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
......@@ -2206,7 +2322,8 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
22062322 const elem_size = elem_ty.abiSize(self.target);
22072323
22082324 // load pointer onto stack
2209 try self.emitWValue(slice);
2325 const slice_ptr = try self.load(slice, slice_ty, 0);
2326 try self.addLabel(.local_get, slice_ptr.local);
22102327
22112328 // calculate index into slice
22122329 try self.emitWValue(index);
......@@ -2214,25 +2331,79 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
22142331 try self.addTag(.i32_mul);
22152332 try self.addTag(.i32_add);
22162333
2217 const abi_size = if (elem_size < 8)
2218 @intCast(u8, elem_size)
2219 else
2220 @as(u8, 4); // elements larger than 8 bytes will be passed by pointer
2334 const result = try self.allocLocal(elem_ty);
2335 try self.addLabel(.local_set, result.local);
2336 return switch (elem_ty.zigTypeTag()) {
2337 // pass as pointer
2338 .Pointer, .Struct, .Optional => result,
2339 // pass by value
2340 else => try self.load(result, elem_ty, 0),
2341 };
2342}
22212343
2222 const extra_index = try self.addExtra(Mir.MemArg{
2223 .offset = 0,
2224 .alignment = elem_ty.abiAlignment(self.target),
2225 });
2226 const signedness: std.builtin.Signedness = if (elem_ty.isUnsignedInt()) .unsigned else .signed;
2227 const opcode = buildOpcode(.{
2228 .valtype1 = try self.typeToValtype(elem_ty),
2229 .width = abi_size * 8,
2230 .op = .load,
2231 .signedness = signedness,
2232 });
2233 try self.addInst(.{ .tag = Mir.Inst.Tag.fromOpcode(opcode), .data = .{ .payload = extra_index } });
2344fn airSlicePtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2345 if (self.liveness.isUnused(inst)) return WValue.none;
2346 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2347 const operand = self.resolveInst(ty_op.operand);
2348 return try self.load(operand, Type.usize, 0);
2349}
2350
2351fn airTrunc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2352 if (self.liveness.isUnused(inst)) return WValue.none;
2353 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2354 const operand = self.resolveInst(ty_op.operand);
2355 const op_ty = self.air.typeOf(ty_op.operand);
2356 const int_info = self.air.getRefType(ty_op.ty).intInfo(self.target);
2357 const wanted_bits = int_info.bits;
2358 const result = try self.allocLocal(self.air.getRefType(ty_op.ty));
2359 const op_bits = op_ty.intInfo(self.target).bits;
2360
2361 const wasm_bits = toWasmIntBits(wanted_bits) orelse
2362 return self.fail("TODO: Implement wasm integer truncation for integer bitsize: {d}", .{wanted_bits});
2363
2364 // Use wasm's instruction to wrap from 64bit to 32bit integer when possible
2365 if (op_bits == 64 and wanted_bits == 32) {
2366 try self.emitWValue(operand);
2367 try self.addTag(.i32_wrap_i64);
2368 try self.addLabel(.local_set, result.local);
2369 return result;
2370 }
2371
2372 // Any other truncation must be done manually
2373 if (int_info.signedness == .unsigned) {
2374 const mask = (@as(u65, 1) << @intCast(u7, wanted_bits)) - 1;
2375 try self.emitWValue(operand);
2376 switch (wasm_bits) {
2377 32 => {
2378 try self.addImm32(@bitCast(i32, @intCast(u32, mask)));
2379 try self.addTag(.i32_and);
2380 },
2381 64 => {
2382 try self.addImm64(@intCast(u64, mask));
2383 try self.addTag(.i64_and);
2384 },
2385 else => unreachable,
2386 }
2387 } else {
2388 const shift_bits = wasm_bits - wanted_bits;
2389 try self.emitWValue(operand);
2390 switch (wasm_bits) {
2391 32 => {
2392 try self.addImm32(@bitCast(i16, shift_bits));
2393 try self.addTag(.i32_shl);
2394 try self.addImm32(@bitCast(i16, shift_bits));
2395 try self.addTag(.i32_shr_s);
2396 },
2397 64 => {
2398 try self.addImm64(shift_bits);
2399 try self.addTag(.i64_shl);
2400 try self.addImm64(shift_bits);
2401 try self.addTag(.i64_shr_s);
2402 },
2403 else => unreachable,
2404 }
2405 }
22342406
2235 const result = try self.allocLocal(elem_ty);
22362407 try self.addLabel(.local_set, result.local);
22372408 return result;
22382409}
src/arch/wasm/Emit.zig+22-1
......@@ -50,6 +50,7 @@ pub fn emitMir(emit: *Emit) InnerError!void {
5050 .call_indirect => try emit.emitCallIndirect(inst),
5151 .global_get => try emit.emitGlobal(tag, inst),
5252 .global_set => try emit.emitGlobal(tag, inst),
53 .function_index => try emit.emitFunctionIndex(inst),
5354 .memory_address => try emit.emitMemAddress(inst),
5455
5556 // immediates
......@@ -147,6 +148,11 @@ pub fn emitMir(emit: *Emit) InnerError!void {
147148 .i64_div_s => try emit.emitTag(tag),
148149 .i64_div_u => try emit.emitTag(tag),
149150 .i64_and => try emit.emitTag(tag),
151 .i64_or => try emit.emitTag(tag),
152 .i64_xor => try emit.emitTag(tag),
153 .i64_shl => try emit.emitTag(tag),
154 .i64_shr_s => try emit.emitTag(tag),
155 .i64_shr_u => try emit.emitTag(tag),
150156 .i32_wrap_i64 => try emit.emitTag(tag),
151157 .i64_extend_i32_s => try emit.emitTag(tag),
152158 .i64_extend_i32_u => try emit.emitTag(tag),
......@@ -235,7 +241,7 @@ fn emitImm64(emit: *Emit, inst: Mir.Inst.Index) !void {
235241 const extra_index = emit.mir.instructions.items(.data)[inst].payload;
236242 const value = emit.mir.extraData(Mir.Imm64, extra_index);
237243 try emit.code.append(std.wasm.opcode(.i64_const));
238 try leb128.writeULEB128(emit.code.writer(), value.data.toU64());
244 try leb128.writeILEB128(emit.code.writer(), @bitCast(i64, value.data.toU64()));
239245}
240246
241247fn emitFloat32(emit: *Emit, inst: Mir.Inst.Index) !void {
......@@ -284,6 +290,21 @@ fn emitCallIndirect(emit: *Emit, inst: Mir.Inst.Index) !void {
284290 try leb128.writeULEB128(emit.code.writer(), label);
285291}
286292
293fn emitFunctionIndex(emit: *Emit, inst: Mir.Inst.Index) !void {
294 const symbol_index = emit.mir.instructions.items(.data)[inst].label;
295 try emit.code.append(std.wasm.opcode(.i32_const));
296 const index_offset = emit.offset();
297 var buf: [5]u8 = undefined;
298 leb128.writeUnsignedFixed(5, &buf, symbol_index);
299 try emit.code.appendSlice(&buf);
300
301 try emit.decl.link.wasm.relocs.append(emit.bin_file.allocator, .{
302 .offset = index_offset,
303 .index = symbol_index,
304 .relocation_type = .R_WASM_TABLE_INDEX_SLEB,
305 });
306}
307
287308fn emitMemAddress(emit: *Emit, inst: Mir.Inst.Index) !void {
288309 const symbol_index = emit.mir.instructions.items(.data)[inst].label;
289310 try emit.code.append(std.wasm.opcode(.i32_const));
src/arch/wasm/Mir.zig+18-2
......@@ -348,6 +348,16 @@ pub const Inst = struct {
348348 /// Uses `tag`
349349 i64_and = 0x83,
350350 /// Uses `tag`
351 i64_or = 0x84,
352 /// Uses `tag`
353 i64_xor = 0x85,
354 /// Uses `tag`
355 i64_shl = 0x86,
356 /// Uses `tag`
357 i64_shr_s = 0x87,
358 /// Uses `tag`
359 i64_shr_u = 0x88,
360 /// Uses `tag`
351361 i32_wrap_i64 = 0xA7,
352362 /// Uses `tag`
353363 i64_extend_i32_s = 0xAC,
......@@ -363,11 +373,17 @@ pub const Inst = struct {
363373 i64_extend16_s = 0xC3,
364374 /// Uses `tag`
365375 i64_extend32_s = 0xC4,
376 /// Contains a symbol to a function pointer
377 /// uses `label`
378 ///
379 /// Note: This uses `0xFE` as value as it is unused and not reserved
380 /// by the wasm specification, making it safe to use.
381 function_index = 0xFE,
366382 /// Contains a symbol to a memory address
367383 /// Uses `label`
368384 ///
369 /// Note: This uses `0xFF` as value as it is unused and not-reserved
370 /// by the wasm specification, making it safe to use
385 /// Note: This uses `0xFF` as value as it is unused and not reserved
386 /// by the wasm specification, making it safe to use.
371387 memory_address = 0xFF,
372388
373389 /// From a given wasm opcode, returns a MIR tag.
src/link/Wasm.zig+9-6
......@@ -162,9 +162,8 @@ pub fn deinit(self: *Wasm) void {
162162 decl.link.wasm.deinit(self.base.allocator);
163163 }
164164
165 for (self.func_types.items) |func_type| {
166 self.base.allocator.free(func_type.params);
167 self.base.allocator.free(func_type.returns);
165 for (self.func_types.items) |*func_type| {
166 func_type.deinit(self.base.allocator);
168167 }
169168 for (self.segment_info.items) |segment_info| {
170169 self.base.allocator.free(segment_info.name);
......@@ -278,7 +277,7 @@ pub fn updateDecl(self: *Wasm, module: *Module, decl: *Module.Decl) !void {
278277 defer codegen.deinit();
279278
280279 // generate the 'code' section for the function declaration
281 const result = codegen.genDecl(decl.ty, decl.val) catch |err| switch (err) {
280 const result = codegen.genDecl() catch |err| switch (err) {
282281 error.CodegenFail => {
283282 decl.analysis = .codegen_failure;
284283 try module.failed_decls.put(module.gpa, decl, codegen.err_msg);
......@@ -298,6 +297,7 @@ fn finishUpdateDecl(self: *Wasm, decl: *Module.Decl, result: CodeGen.Result, cod
298297
299298 if (decl.isExtern()) {
300299 try self.addOrUpdateImport(decl);
300 return;
301301 }
302302
303303 if (code.len == 0) return;
......@@ -574,7 +574,6 @@ fn resetState(self: *Wasm) void {
574574 self.segments.clearRetainingCapacity();
575575 self.segment_info.clearRetainingCapacity();
576576 self.data_segments.clearRetainingCapacity();
577 self.function_table.clearRetainingCapacity();
578577 self.atoms.clearRetainingCapacity();
579578 self.code_section_index = null;
580579}
......@@ -684,12 +683,16 @@ pub fn flushModule(self: *Wasm, comp: *Compilation) !void {
684683 );
685684 }
686685
686 // Table section
687687 if (self.function_table.count() > 0) {
688688 const header_offset = try reserveVecSectionHeader(file);
689689 const writer = file.writer();
690690
691691 try leb.writeULEB128(writer, wasm.reftype(.funcref));
692 try emitLimits(writer, .{ .min = 1, .max = null });
692 try emitLimits(writer, .{
693 .min = @intCast(u32, self.function_table.count()),
694 .max = null,
695 });
693696
694697 try writeVecSectionHeader(
695698 file,
test/behavior.zig+176-172
......@@ -1,198 +1,202 @@
11const builtin = @import("builtin");
22
33test {
4 // Tests that pass for stage1, stage2, and the C backend.
5 _ = @import("behavior/align.zig");
4 // Tests that pass for stage1, stage2, the C -and wasm backend.
65 _ = @import("behavior/basic.zig");
76 _ = @import("behavior/bitcast.zig");
8 _ = @import("behavior/bool.zig");
97 _ = @import("behavior/bugs/624.zig");
108 _ = @import("behavior/bugs/655.zig");
119 _ = @import("behavior/bugs/679.zig");
12 _ = @import("behavior/bugs/704.zig");
1310 _ = @import("behavior/bugs/1111.zig");
1411 _ = @import("behavior/bugs/1486.zig");
1512 _ = @import("behavior/bugs/2346.zig");
16 _ = @import("behavior/bugs/2692.zig");
17 _ = @import("behavior/bugs/2889.zig");
18 _ = @import("behavior/bugs/3046.zig");
19 _ = @import("behavior/bugs/3586.zig");
20 _ = @import("behavior/bugs/4560.zig");
21 _ = @import("behavior/bugs/4769_a.zig");
22 _ = @import("behavior/bugs/4769_b.zig");
23 _ = @import("behavior/bugs/4954.zig");
2413 _ = @import("behavior/bugs/6850.zig");
25 _ = @import("behavior/byval_arg_var.zig");
26 _ = @import("behavior/call.zig");
27 _ = @import("behavior/cast.zig");
28 _ = @import("behavior/defer.zig");
2914 _ = @import("behavior/enum.zig");
30 _ = @import("behavior/error.zig");
31 _ = @import("behavior/fn_in_struct_in_comptime.zig");
32 _ = @import("behavior/generics.zig");
3315 _ = @import("behavior/hasdecl.zig");
3416 _ = @import("behavior/hasfield.zig");
35 _ = @import("behavior/if.zig");
3617 _ = @import("behavior/import.zig");
37 _ = @import("behavior/incomplete_struct_param_tld.zig");
38 _ = @import("behavior/int128.zig");
39 _ = @import("behavior/inttoptr.zig");
40 _ = @import("behavior/member_func.zig");
41 _ = @import("behavior/null.zig");
42 _ = @import("behavior/optional.zig");
43 _ = @import("behavior/pointers.zig");
44 _ = @import("behavior/ptrcast.zig");
4518 _ = @import("behavior/pub_enum.zig");
46 _ = @import("behavior/ref_var_in_if_after_if_2nd_switch_prong.zig");
4719 _ = @import("behavior/slice_sentinel_comptime.zig");
48 _ = @import("behavior/struct.zig");
49 _ = @import("behavior/this.zig");
50 _ = @import("behavior/translate_c_macros.zig");
5120 _ = @import("behavior/truncate.zig");
52 _ = @import("behavior/underscore.zig");
5321 _ = @import("behavior/usingnamespace.zig");
54 _ = @import("behavior/while.zig");
5522
56 if (builtin.object_format != .c) {
57 // Tests that pass for stage1 and stage2 but not the C backend.
58 _ = @import("behavior/align_llvm.zig");
59 _ = @import("behavior/alignof.zig");
60 _ = @import("behavior/array.zig");
61 _ = @import("behavior/atomics.zig");
62 _ = @import("behavior/basic_llvm.zig");
63 _ = @import("behavior/bugs/394.zig");
64 _ = @import("behavior/bugs/656.zig");
65 _ = @import("behavior/bugs/1277.zig");
66 _ = @import("behavior/bugs/1381.zig");
67 _ = @import("behavior/bugs/1500.zig");
68 _ = @import("behavior/bugs/1741.zig");
69 _ = @import("behavior/bugs/2006.zig");
70 _ = @import("behavior/bugs/2578.zig");
71 _ = @import("behavior/bugs/3007.zig");
72 _ = @import("behavior/bugs/3112.zig");
73 _ = @import("behavior/bugs/7250.zig");
74 _ = @import("behavior/cast_llvm.zig");
75 _ = @import("behavior/eval.zig");
76 _ = @import("behavior/floatop.zig");
77 _ = @import("behavior/fn.zig");
78 _ = @import("behavior/for.zig");
79 _ = @import("behavior/generics_llvm.zig");
80 _ = @import("behavior/math.zig");
81 _ = @import("behavior/maximum_minimum.zig");
82 _ = @import("behavior/namespace_depends_on_compile_var.zig");
83 _ = @import("behavior/null_llvm.zig");
84 _ = @import("behavior/optional_llvm.zig");
85 _ = @import("behavior/popcount.zig");
86 _ = @import("behavior/saturating_arithmetic.zig");
87 _ = @import("behavior/sizeof_and_typeof.zig");
88 _ = @import("behavior/slice.zig");
89 _ = @import("behavior/struct_llvm.zig");
90 _ = @import("behavior/switch.zig");
91 _ = @import("behavior/undefined.zig");
92 _ = @import("behavior/union.zig");
93 _ = @import("behavior/void.zig");
94 _ = @import("behavior/widening.zig");
23 // Tests that pass for stage1, stage2 and the C backend, but not for the wasm backend
24 if (!builtin.zig_is_stage2 or (builtin.zig_is_stage2 and builtin.stage2_arch != .wasm32)) {
25 _ = @import("behavior/align.zig");
26 _ = @import("behavior/bool.zig");
27 _ = @import("behavior/bugs/704.zig");
28 _ = @import("behavior/bugs/2692.zig");
29 _ = @import("behavior/bugs/2889.zig");
30 _ = @import("behavior/bugs/3046.zig");
31 _ = @import("behavior/bugs/3586.zig");
32 _ = @import("behavior/bugs/4560.zig");
33 _ = @import("behavior/bugs/4769_a.zig");
34 _ = @import("behavior/bugs/4769_b.zig");
35 _ = @import("behavior/bugs/4954.zig");
36 _ = @import("behavior/byval_arg_var.zig");
37 _ = @import("behavior/call.zig");
38 _ = @import("behavior/cast.zig");
39 _ = @import("behavior/defer.zig");
40 _ = @import("behavior/error.zig");
41 _ = @import("behavior/fn_in_struct_in_comptime.zig");
42 _ = @import("behavior/generics.zig");
43 _ = @import("behavior/if.zig");
44 _ = @import("behavior/incomplete_struct_param_tld.zig");
45 _ = @import("behavior/int128.zig");
46 _ = @import("behavior/inttoptr.zig");
47 _ = @import("behavior/member_func.zig");
48 _ = @import("behavior/null.zig");
49 _ = @import("behavior/optional.zig");
50 _ = @import("behavior/pointers.zig");
51 _ = @import("behavior/ptrcast.zig");
52 _ = @import("behavior/ref_var_in_if_after_if_2nd_switch_prong.zig");
53 _ = @import("behavior/struct.zig");
54 _ = @import("behavior/this.zig");
55 _ = @import("behavior/translate_c_macros.zig");
56 _ = @import("behavior/underscore.zig");
57 _ = @import("behavior/while.zig");
9558
96 if (builtin.zig_is_stage2) {
97 // When all comptime_memory.zig tests pass, #9646 can be closed.
98 // _ = @import("behavior/comptime_memory.zig");
99 _ = @import("behavior/slice_stage2.zig");
100 } else {
101 _ = @import("behavior/align_stage1.zig");
102 _ = @import("behavior/array_stage1.zig");
103 if (builtin.os.tag != .wasi) {
104 _ = @import("behavior/asm.zig");
105 _ = @import("behavior/async_fn.zig");
106 }
107 _ = @import("behavior/await_struct.zig");
108 _ = @import("behavior/bit_shifting.zig");
109 _ = @import("behavior/bitcast_stage1.zig");
110 _ = @import("behavior/bitreverse.zig");
111 _ = @import("behavior/bugs/421.zig");
112 _ = @import("behavior/bugs/529.zig");
113 _ = @import("behavior/bugs/718.zig");
114 _ = @import("behavior/bugs/726.zig");
115 _ = @import("behavior/bugs/828.zig");
116 _ = @import("behavior/bugs/920.zig");
117 _ = @import("behavior/bugs/1025.zig");
118 _ = @import("behavior/bugs/1076.zig");
119 _ = @import("behavior/bugs/1120.zig");
120 _ = @import("behavior/bugs/1310.zig");
121 _ = @import("behavior/bugs/1322.zig");
122 _ = @import("behavior/bugs/1421.zig");
123 _ = @import("behavior/bugs/1442.zig");
124 _ = @import("behavior/bugs/1607.zig");
125 _ = @import("behavior/bugs/1735.zig");
126 _ = @import("behavior/bugs/1851.zig");
127 _ = @import("behavior/bugs/1914.zig");
128 _ = @import("behavior/bugs/2114.zig");
129 _ = @import("behavior/bugs/3367.zig");
130 _ = @import("behavior/bugs/3384.zig");
131 _ = @import("behavior/bugs/3742.zig");
132 _ = @import("behavior/bugs/3779.zig");
133 _ = @import("behavior/bugs/4328.zig");
134 _ = @import("behavior/bugs/5398.zig");
135 _ = @import("behavior/bugs/5413.zig");
136 _ = @import("behavior/bugs/5474.zig");
137 _ = @import("behavior/bugs/5487.zig");
138 _ = @import("behavior/bugs/6456.zig");
139 _ = @import("behavior/bugs/6781.zig");
140 _ = @import("behavior/bugs/7003.zig");
141 _ = @import("behavior/bugs/7027.zig");
142 _ = @import("behavior/bugs/7047.zig");
143 _ = @import("behavior/bugs/9584.zig");
144 _ = @import("behavior/bugs/9967.zig");
145 _ = @import("behavior/bugs/10147.zig");
146 _ = @import("behavior/byteswap.zig");
147 _ = @import("behavior/call_stage1.zig");
148 _ = @import("behavior/cast_stage1.zig");
149 _ = @import("behavior/const_slice_child.zig");
150 _ = @import("behavior/defer_stage1.zig");
151 _ = @import("behavior/enum_stage1.zig");
152 _ = @import("behavior/error_stage1.zig");
153 _ = @import("behavior/eval_stage1.zig");
154 _ = @import("behavior/field_parent_ptr.zig");
155 _ = @import("behavior/floatop_stage1.zig");
156 _ = @import("behavior/fn_stage1.zig");
157 _ = @import("behavior/fn_delegation.zig");
158 _ = @import("behavior/for_stage1.zig");
159 _ = @import("behavior/if_stage1.zig");
160 _ = @import("behavior/ir_block_deps.zig");
161 _ = @import("behavior/math_stage1.zig");
162 _ = @import("behavior/merge_error_sets.zig");
163 _ = @import("behavior/misc.zig");
164 _ = @import("behavior/muladd.zig");
165 _ = @import("behavior/null_stage1.zig");
166 _ = @import("behavior/optional_stage1.zig");
167 _ = @import("behavior/pointers_stage1.zig");
168 _ = @import("behavior/popcount_stage1.zig");
169 _ = @import("behavior/ptrcast_stage1.zig");
170 _ = @import("behavior/reflection.zig");
171 _ = @import("behavior/select.zig");
172 _ = @import("behavior/shuffle.zig");
173 _ = @import("behavior/sizeof_and_typeof_stage1.zig");
174 _ = @import("behavior/slice_stage1.zig");
175 _ = @import("behavior/struct_contains_null_ptr_itself.zig");
176 _ = @import("behavior/struct_contains_slice_of_itself.zig");
177 _ = @import("behavior/struct_stage1.zig");
178 _ = @import("behavior/switch_prong_err_enum.zig");
179 _ = @import("behavior/switch_prong_implicit_cast.zig");
180 _ = @import("behavior/switch_stage1.zig");
181 _ = @import("behavior/try.zig");
182 _ = @import("behavior/tuple.zig");
183 _ = @import("behavior/type.zig");
184 _ = @import("behavior/type_info.zig");
185 _ = @import("behavior/typename.zig");
186 _ = @import("behavior/union_stage1.zig");
187 _ = @import("behavior/union_with_members.zig");
188 _ = @import("behavior/var_args.zig");
189 _ = @import("behavior/vector.zig");
190 if (builtin.target.cpu.arch == .wasm32) {
191 _ = @import("behavior/wasm.zig");
59 if (builtin.object_format != .c) {
60 // Tests that pass for stage1 and stage2 but not the C backend and wasm backend.
61 _ = @import("behavior/align_llvm.zig");
62 _ = @import("behavior/alignof.zig");
63 _ = @import("behavior/array.zig");
64 _ = @import("behavior/atomics.zig");
65 _ = @import("behavior/basic_llvm.zig");
66 _ = @import("behavior/bugs/394.zig");
67 _ = @import("behavior/bugs/656.zig");
68 _ = @import("behavior/bugs/1277.zig");
69 _ = @import("behavior/bugs/1381.zig");
70 _ = @import("behavior/bugs/1500.zig");
71 _ = @import("behavior/bugs/1741.zig");
72 _ = @import("behavior/bugs/2006.zig");
73 _ = @import("behavior/bugs/2578.zig");
74 _ = @import("behavior/bugs/3007.zig");
75 _ = @import("behavior/bugs/3112.zig");
76 _ = @import("behavior/bugs/7250.zig");
77 _ = @import("behavior/cast_llvm.zig");
78 _ = @import("behavior/eval.zig");
79 _ = @import("behavior/floatop.zig");
80 _ = @import("behavior/fn.zig");
81 _ = @import("behavior/for.zig");
82 _ = @import("behavior/generics_llvm.zig");
83 _ = @import("behavior/math.zig");
84 _ = @import("behavior/maximum_minimum.zig");
85 _ = @import("behavior/namespace_depends_on_compile_var.zig");
86 _ = @import("behavior/null_llvm.zig");
87 _ = @import("behavior/optional_llvm.zig");
88 _ = @import("behavior/popcount.zig");
89 _ = @import("behavior/saturating_arithmetic.zig");
90 _ = @import("behavior/sizeof_and_typeof.zig");
91 _ = @import("behavior/slice.zig");
92 _ = @import("behavior/struct_llvm.zig");
93 _ = @import("behavior/switch.zig");
94 _ = @import("behavior/undefined.zig");
95 _ = @import("behavior/union.zig");
96 _ = @import("behavior/void.zig");
97 _ = @import("behavior/widening.zig");
98
99 if (builtin.zig_is_stage2) {
100 // When all comptime_memory.zig tests pass, #9646 can be closed.
101 // _ = @import("behavior/comptime_memory.zig");
102 _ = @import("behavior/slice_stage2.zig");
103 } else {
104 _ = @import("behavior/align_stage1.zig");
105 _ = @import("behavior/array_stage1.zig");
106 if (builtin.os.tag != .wasi) {
107 _ = @import("behavior/asm.zig");
108 _ = @import("behavior/async_fn.zig");
109 }
110 _ = @import("behavior/await_struct.zig");
111 _ = @import("behavior/bit_shifting.zig");
112 _ = @import("behavior/bitcast_stage1.zig");
113 _ = @import("behavior/bitreverse.zig");
114 _ = @import("behavior/bugs/421.zig");
115 _ = @import("behavior/bugs/529.zig");
116 _ = @import("behavior/bugs/718.zig");
117 _ = @import("behavior/bugs/726.zig");
118 _ = @import("behavior/bugs/828.zig");
119 _ = @import("behavior/bugs/920.zig");
120 _ = @import("behavior/bugs/1025.zig");
121 _ = @import("behavior/bugs/1076.zig");
122 _ = @import("behavior/bugs/1120.zig");
123 _ = @import("behavior/bugs/1310.zig");
124 _ = @import("behavior/bugs/1322.zig");
125 _ = @import("behavior/bugs/1421.zig");
126 _ = @import("behavior/bugs/1442.zig");
127 _ = @import("behavior/bugs/1607.zig");
128 _ = @import("behavior/bugs/1735.zig");
129 _ = @import("behavior/bugs/1851.zig");
130 _ = @import("behavior/bugs/1914.zig");
131 _ = @import("behavior/bugs/2114.zig");
132 _ = @import("behavior/bugs/3367.zig");
133 _ = @import("behavior/bugs/3384.zig");
134 _ = @import("behavior/bugs/3742.zig");
135 _ = @import("behavior/bugs/3779.zig");
136 _ = @import("behavior/bugs/4328.zig");
137 _ = @import("behavior/bugs/5398.zig");
138 _ = @import("behavior/bugs/5413.zig");
139 _ = @import("behavior/bugs/5474.zig");
140 _ = @import("behavior/bugs/5487.zig");
141 _ = @import("behavior/bugs/6456.zig");
142 _ = @import("behavior/bugs/6781.zig");
143 _ = @import("behavior/bugs/7003.zig");
144 _ = @import("behavior/bugs/7027.zig");
145 _ = @import("behavior/bugs/7047.zig");
146 _ = @import("behavior/bugs/9584.zig");
147 _ = @import("behavior/bugs/9967.zig");
148 _ = @import("behavior/bugs/10147.zig");
149 _ = @import("behavior/byteswap.zig");
150 _ = @import("behavior/call_stage1.zig");
151 _ = @import("behavior/cast_stage1.zig");
152 _ = @import("behavior/const_slice_child.zig");
153 _ = @import("behavior/defer_stage1.zig");
154 _ = @import("behavior/enum_stage1.zig");
155 _ = @import("behavior/error_stage1.zig");
156 _ = @import("behavior/eval_stage1.zig");
157 _ = @import("behavior/field_parent_ptr.zig");
158 _ = @import("behavior/floatop_stage1.zig");
159 _ = @import("behavior/fn_stage1.zig");
160 _ = @import("behavior/fn_delegation.zig");
161 _ = @import("behavior/for_stage1.zig");
162 _ = @import("behavior/if_stage1.zig");
163 _ = @import("behavior/ir_block_deps.zig");
164 _ = @import("behavior/math_stage1.zig");
165 _ = @import("behavior/merge_error_sets.zig");
166 _ = @import("behavior/misc.zig");
167 _ = @import("behavior/muladd.zig");
168 _ = @import("behavior/null_stage1.zig");
169 _ = @import("behavior/optional_stage1.zig");
170 _ = @import("behavior/pointers_stage1.zig");
171 _ = @import("behavior/popcount_stage1.zig");
172 _ = @import("behavior/ptrcast_stage1.zig");
173 _ = @import("behavior/reflection.zig");
174 _ = @import("behavior/select.zig");
175 _ = @import("behavior/shuffle.zig");
176 _ = @import("behavior/sizeof_and_typeof_stage1.zig");
177 _ = @import("behavior/slice_stage1.zig");
178 _ = @import("behavior/struct_contains_null_ptr_itself.zig");
179 _ = @import("behavior/struct_contains_slice_of_itself.zig");
180 _ = @import("behavior/struct_stage1.zig");
181 _ = @import("behavior/switch_prong_err_enum.zig");
182 _ = @import("behavior/switch_prong_implicit_cast.zig");
183 _ = @import("behavior/switch_stage1.zig");
184 _ = @import("behavior/try.zig");
185 _ = @import("behavior/tuple.zig");
186 _ = @import("behavior/type.zig");
187 _ = @import("behavior/type_info.zig");
188 _ = @import("behavior/typename.zig");
189 _ = @import("behavior/union_stage1.zig");
190 _ = @import("behavior/union_with_members.zig");
191 _ = @import("behavior/var_args.zig");
192 _ = @import("behavior/vector.zig");
193 if (builtin.target.cpu.arch == .wasm32) {
194 _ = @import("behavior/wasm.zig");
195 }
196 _ = @import("behavior/while_stage1.zig");
197 _ = @import("behavior/src.zig");
198 _ = @import("behavior/translate_c_macros_stage1.zig");
192199 }
193 _ = @import("behavior/while_stage1.zig");
194 _ = @import("behavior/src.zig");
195 _ = @import("behavior/translate_c_macros_stage1.zig");
196200 }
197201 }
198202}