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=$DEBUG_STAGING/bin/zig...@@ -6,6 +6,7 @@ ZIG=$DEBUG_STAGING/bin/zig
66
7$ZIG test test/behavior.zig -fno-stage1 -fLLVM -I test7$ZIG test test/behavior.zig -fno-stage1 -fLLVM -I test
8$ZIG test test/behavior.zig -fno-stage1 -ofmt=c -I test8$ZIG test test/behavior.zig -fno-stage1 -ofmt=c -I test
9$ZIG test test/behavior.zig -fno-stage1 -target wasm32-wasi --test-cmd wasmtime --test-cmd-bin
910
10$ZIG build test-behavior -fqemu -fwasmtime11$ZIG build test-behavior -fqemu -fwasmtime
11$ZIG build test-compiler-rt -fqemu -fwasmtime12$ZIG build test-compiler-rt -fqemu -fwasmtime
src/Module.zig+8-4
...@@ -1226,19 +1226,20 @@ pub const Fn = struct {...@@ -1226,19 +1226,20 @@ pub const Fn = struct {
1226 };1226 };
12271227
1228 pub fn deinit(func: *Fn, gpa: Allocator) void {1228 pub fn deinit(func: *Fn, gpa: Allocator) void {
1229 if (func.getInferredErrorSet()) |map| {1229 if (func.getInferredErrorSet()) |error_set_data| {
1230 map.deinit(gpa);1230 error_set_data.map.deinit(gpa);
1231 error_set_data.functions.deinit(gpa);
1231 }1232 }
1232 }1233 }
12331234
1234 pub fn getInferredErrorSet(func: *Fn) ?*std.StringHashMapUnmanaged(void) {1235 pub fn getInferredErrorSet(func: *Fn) ?*Type.Payload.ErrorSetInferred.Data {
1235 const ret_ty = func.owner_decl.ty.fnReturnType();1236 const ret_ty = func.owner_decl.ty.fnReturnType();
1236 if (ret_ty.tag() == .generic_poison) {1237 if (ret_ty.tag() == .generic_poison) {
1237 return null;1238 return null;
1238 }1239 }
1239 if (ret_ty.zigTypeTag() == .ErrorUnion) {1240 if (ret_ty.zigTypeTag() == .ErrorUnion) {
1240 if (ret_ty.errorUnionSet().castTag(.error_set_inferred)) |payload| {1241 if (ret_ty.errorUnionSet().castTag(.error_set_inferred)) |payload| {
1241 return &payload.data.map;1242 return &payload.data;
1242 }1243 }
1243 }1244 }
1244 return null;1245 return null;
...@@ -1301,6 +1302,7 @@ pub const Namespace = struct {...@@ -1301,6 +1302,7 @@ pub const Namespace = struct {
1301 key.destroy(mod);1302 key.destroy(mod);
1302 }1303 }
1303 anon_decls.deinit(gpa);1304 anon_decls.deinit(gpa);
1305 ns.usingnamespace_set.deinit(gpa);
1304 }1306 }
13051307
1306 pub fn deleteAllDecls(1308 pub fn deleteAllDecls(
...@@ -1332,6 +1334,8 @@ pub const Namespace = struct {...@@ -1332,6 +1334,8 @@ pub const Namespace = struct {
1332 child_decl.destroy(mod);1334 child_decl.destroy(mod);
1333 }1335 }
1334 anon_decls.deinit(gpa);1336 anon_decls.deinit(gpa);
1337
1338 ns.usingnamespace_set.deinit(gpa);
1335 }1339 }
13361340
1337 // This renders e.g. "std.fs.Dir.OpenOptions"1341 // This renders e.g. "std.fs.Dir.OpenOptions"
src/arch/wasm/CodeGen.zig+271-100
...@@ -6,6 +6,7 @@ const testing = std.testing;...@@ -6,6 +6,7 @@ const testing = std.testing;
6const leb = std.leb;6const leb = std.leb;
7const mem = std.mem;7const mem = std.mem;
8const wasm = std.wasm;8const wasm = std.wasm;
9const log = std.log.scoped(.codegen);
910
10const Module = @import("../../Module.zig");11const Module = @import("../../Module.zig");
11const Decl = Module.Decl;12const Decl = Module.Decl;
...@@ -550,7 +551,7 @@ mir_extra: std.ArrayListUnmanaged(u32) = .{},...@@ -550,7 +551,7 @@ mir_extra: std.ArrayListUnmanaged(u32) = .{},
550initial_stack_value: WValue = .none,551initial_stack_value: WValue = .none,
551/// Arguments of this function declaration552/// Arguments of this function declaration
552/// This will be set after `resolveCallingConventionValues`553/// This will be set after `resolveCallingConventionValues`
553args: []WValue = undefined,554args: []WValue = &.{},
554/// This will only be `.none` if the function returns void, or returns an immediate.555/// This will only be `.none` if the function returns void, or returns an immediate.
555/// When it returns a pointer to the stack, the `.local` tag will be active and must be populated556/// When it returns a pointer to the stack, the `.local` tag will be active and must be populated
556/// before this function returns its execution to the caller.557/// before this function returns its execution to the caller.
...@@ -562,8 +563,6 @@ const InnerError = error{...@@ -562,8 +563,6 @@ const InnerError = error{
562 CodegenFail,563 CodegenFail,
563 /// Can occur when dereferencing a pointer that points to a `Decl` of which the analysis has failed564 /// Can occur when dereferencing a pointer that points to a `Decl` of which the analysis has failed
564 AnalysisFail,565 AnalysisFail,
565 /// Failed to emit MIR instructions to binary/textual representation.
566 EmitFail,
567 /// Compiler implementation could not handle a large integer.566 /// Compiler implementation could not handle a large integer.
568 Overflow,567 Overflow,
569};568};
...@@ -800,7 +799,7 @@ pub fn genFunc(self: *Self) InnerError!Result {...@@ -800,7 +799,7 @@ pub fn genFunc(self: *Self) InnerError!Result {
800 emit.emitMir() catch |err| switch (err) {799 emit.emitMir() catch |err| switch (err) {
801 error.EmitFail => {800 error.EmitFail => {
802 self.err_msg = emit.error_msg.?;801 self.err_msg = emit.error_msg.?;
803 return error.EmitFail;802 return error.CodegenFail;
804 },803 },
805 else => |e| return e,804 else => |e| return e,
806 };805 };
...@@ -809,8 +808,34 @@ pub fn genFunc(self: *Self) InnerError!Result {...@@ -809,8 +808,34 @@ pub fn genFunc(self: *Self) InnerError!Result {
809 return Result.appended;808 return Result.appended;
810}809}
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
812/// Generates the wasm bytecode for the declaration belonging to `Context`837/// 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 {
814 if (val.isUndef()) {839 if (val.isUndef()) {
815 try self.code.appendNTimes(0xaa, @intCast(usize, ty.abiSize(self.target)));840 try self.code.appendNTimes(0xaa, @intCast(usize, ty.abiSize(self.target)));
816 return Result.appended;841 return Result.appended;
...@@ -822,16 +847,16 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -822,16 +847,16 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
822 .function => val.castTag(.function).?.data.owner_decl,847 .function => val.castTag(.function).?.data.owner_decl,
823 else => unreachable,848 else => unreachable,
824 };849 };
825 return try self.lowerDeclRef(fn_decl);850 return try self.lowerDeclRef(ty, val, fn_decl);
826 },851 },
827 .Optional => {852 .Optional => {
828 var opt_buf: Type.Payload.ElemType = undefined;853 var opt_buf: Type.Payload.ElemType = undefined;
829 const payload_type = ty.optionalChild(&opt_buf);854 const payload_type = ty.optionalChild(&opt_buf);
830 if (ty.isPtrLikeOptional()) {855 if (ty.isPtrLikeOptional()) {
831 if (val.castTag(.opt_payload)) |payload| {856 if (val.castTag(.opt_payload)) |payload| {
832 return try self.genDecl(payload_type, payload.data);857 return try self.genTypedValue(payload_type, payload.data);
833 } else if (!val.isNull()) {858 } else if (!val.isNull()) {
834 return try self.genDecl(payload_type, val);859 return try self.genTypedValue(payload_type, val);
835 } else {860 } else {
836 try self.code.appendNTimes(0, @intCast(usize, ty.abiSize(self.target)));861 try self.code.appendNTimes(0, @intCast(usize, ty.abiSize(self.target)));
837 return Result.appended;862 return Result.appended;
...@@ -839,7 +864,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -839,7 +864,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
839 }864 }
840 // `null-tag` byte865 // `null-tag` byte
841 try self.code.appendNTimes(@boolToInt(!val.isNull()), 4);866 try self.code.appendNTimes(@boolToInt(!val.isNull()), 4);
842 const pl_result = try self.genDecl(867 const pl_result = try self.genTypedValue(
843 payload_type,868 payload_type,
844 if (val.castTag(.opt_payload)) |pl| pl.data else Value.initTag(.undef),869 if (val.castTag(.opt_payload)) |pl| pl.data else Value.initTag(.undef),
845 );870 );
...@@ -855,7 +880,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -855,7 +880,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
855 if (ty.sentinel()) |sentinel| {880 if (ty.sentinel()) |sentinel| {
856 try self.code.appendSlice(payload.data);881 try self.code.appendSlice(payload.data);
857882
858 switch (try self.genDecl(ty.childType(), sentinel)) {883 switch (try self.genTypedValue(ty.childType(), sentinel)) {
859 .appended => return Result.appended,884 .appended => return Result.appended,
860 .externally_managed => |data| {885 .externally_managed => |data| {
861 try self.code.appendSlice(data);886 try self.code.appendSlice(data);
...@@ -869,22 +894,20 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -869,22 +894,20 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
869 const elem_vals = val.castTag(.array).?.data;894 const elem_vals = val.castTag(.array).?.data;
870 const elem_ty = ty.elemType();895 const elem_ty = ty.elemType();
871 for (elem_vals) |elem_val| {896 for (elem_vals) |elem_val| {
872 switch (try self.genDecl(elem_ty, elem_val)) {897 switch (try self.genTypedValue(elem_ty, elem_val)) {
873 .appended => {},898 .appended => {},
874 .externally_managed => |data| {899 .externally_managed => |data| try self.code.appendSlice(data),
875 try self.code.appendSlice(data);
876 },
877 }900 }
878 }901 }
879 return Result.appended;902 return Result.appended;
880 },903 },
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())}),
882 },905 },
883 .Int => {906 .Int => {
884 const info = ty.intInfo(self.target);907 const info = ty.intInfo(self.target);
885 const abi_size = @intCast(usize, ty.abiSize(self.target));908 const abi_size = @intCast(usize, ty.abiSize(self.target));
886 // todo: Implement integer sizes larger than 64bits909 // 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});
888 var buf: [8]u8 = undefined;911 var buf: [8]u8 = undefined;
889 if (info.signedness == .unsigned) {912 if (info.signedness == .unsigned) {
890 std.mem.writeIntLittle(u64, &buf, val.toUnsignedInt());913 std.mem.writeIntLittle(u64, &buf, val.toUnsignedInt());
...@@ -906,8 +929,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -906,8 +929,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
906 for (field_vals) |field_val, index| {929 for (field_vals) |field_val, index| {
907 const field_ty = ty.structFieldType(index);930 const field_ty = ty.structFieldType(index);
908 if (!field_ty.hasCodeGenBits()) continue;931 if (!field_ty.hasCodeGenBits()) continue;
909932 switch (try self.genTypedValue(field_ty, field_val)) {
910 switch (try self.genDecl(field_ty, field_val)) {
911 .appended => {},933 .appended => {},
912 .externally_managed => |payload| try self.code.appendSlice(payload),934 .externally_managed => |payload| try self.code.appendSlice(payload),
913 }935 }
...@@ -923,21 +945,21 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -923,21 +945,21 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
923 .Pointer => switch (val.tag()) {945 .Pointer => switch (val.tag()) {
924 .variable => {946 .variable => {
925 const decl = val.castTag(.variable).?.data.owner_decl;947 const decl = val.castTag(.variable).?.data.owner_decl;
926 return try self.lowerDeclRef(decl);948 return try self.lowerDeclRef(ty, val, decl);
927 },949 },
928 .decl_ref => {950 .decl_ref => {
929 const decl = val.castTag(.decl_ref).?.data;951 const decl = val.castTag(.decl_ref).?.data;
930 return try self.lowerDeclRef(decl);952 return try self.lowerDeclRef(ty, val, decl);
931 },953 },
932 .slice => {954 .slice => {
933 const slice = val.castTag(.slice).?.data;955 const slice = val.castTag(.slice).?.data;
934 var buf: Type.SlicePtrFieldTypeBuffer = undefined;956 var buf: Type.SlicePtrFieldTypeBuffer = undefined;
935 const ptr_ty = ty.slicePtrFieldType(&buf);957 const ptr_ty = ty.slicePtrFieldType(&buf);
936 switch (try self.genDecl(ptr_ty, slice.ptr)) {958 switch (try self.genTypedValue(ptr_ty, slice.ptr)) {
937 .externally_managed => |data| try self.code.appendSlice(data),959 .externally_managed => |data| try self.code.appendSlice(data),
938 .appended => {},960 .appended => {},
939 }961 }
940 switch (try self.genDecl(Type.usize, slice.len)) {962 switch (try self.genTypedValue(Type.usize, slice.len)) {
941 .externally_managed => |data| try self.code.appendSlice(data),963 .externally_managed => |data| try self.code.appendSlice(data),
942 .appended => {},964 .appended => {},
943 }965 }
...@@ -949,13 +971,25 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {...@@ -949,13 +971,25 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
949 }971 }
950}972}
951973
952fn lowerDeclRef(self: *Self, decl: *Module.Decl) InnerError!Result {974fn lowerDeclRef(self: *Self, ty: Type, val: Value, decl: *Module.Decl) InnerError!Result {
953 decl.alive = true;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
955 const offset = @intCast(u32, self.code.items.len);989 const offset = @intCast(u32, self.code.items.len);
956 const atom = &self.decl.link.wasm;990 const atom = &self.decl.link.wasm;
957 const target_sym_index = decl.link.wasm.sym_index;991 const target_sym_index = decl.link.wasm.sym_index;
958992 decl.alive = true;
959 if (decl.ty.zigTypeTag() == .Fn) {993 if (decl.ty.zigTypeTag() == .Fn) {
960 // We found a function pointer, so add it to our table,994 // We found a function pointer, so add it to our table,
961 // as function pointers are not allowed to be stored inside the data section,995 // 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...@@ -1014,7 +1048,7 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) InnerError!CallWValu
10141048
1015 const ret_ty = fn_ty.fnReturnType();1049 const ret_ty = fn_ty.fnReturnType();
1016 switch (ret_ty.zigTypeTag()) {1050 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)),
1018 .Int, .Float, .Bool, .Void, .NoReturn => {},1052 .Int, .Float, .Bool, .Void, .NoReturn => {},
1019 else => return self.fail("TODO: Implement function return type {}", .{ret_ty}),1053 else => return self.fail("TODO: Implement function return type {}", .{ret_ty}),
1020 }1054 }
...@@ -1028,6 +1062,11 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) InnerError!CallWValu...@@ -1028,6 +1062,11 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) InnerError!CallWValu
1028 };1062 };
10291063
1030 try self.moveStack(offset, result.return_value.local);1064 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);
1031 }1070 }
1032 },1071 },
1033 else => return self.fail("TODO implement function parameters for cc '{}' on wasm", .{cc}),1072 else => return self.fail("TODO implement function parameters for cc '{}' on wasm", .{cc}),
...@@ -1042,10 +1081,6 @@ fn initializeStack(self: *Self) !void {...@@ -1042,10 +1081,6 @@ fn initializeStack(self: *Self) !void {
1042 assert(self.initial_stack_value == .none);1081 assert(self.initial_stack_value == .none);
1043 // reserve space for immediate value1082 // reserve space for immediate value
1044 // get stack pointer global1083 // 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
1049 try self.addLabel(.global_get, 0);1084 try self.addLabel(.global_get, 0);
10501085
1051 // Reserve a local to store the current stack pointer1086 // Reserve a local to store the current stack pointer
...@@ -1074,8 +1109,6 @@ fn restoreStackPointer(self: *Self) !void {...@@ -1074,8 +1109,6 @@ fn restoreStackPointer(self: *Self) !void {
1074/// the result back into the stack pointer.1109/// the result back into the stack pointer.
1075fn moveStack(self: *Self, offset: u32, local: u32) !void {1110fn moveStack(self: *Self, offset: u32, local: u32) !void {
1076 if (offset == 0) return;1111 if (offset == 0) return;
1077 // TODO: Rather than hardcode the stack pointer to position 0,
1078 // have the linker resolve its relocation
1079 try self.addLabel(.global_get, 0);1112 try self.addLabel(.global_get, 0);
1080 try self.addImm32(@bitCast(i32, offset));1113 try self.addImm32(@bitCast(i32, offset));
1081 try self.addTag(.i32_sub);1114 try self.addTag(.i32_sub);
...@@ -1083,6 +1116,13 @@ fn moveStack(self: *Self, offset: u32, local: u32) !void {...@@ -1083,6 +1116,13 @@ fn moveStack(self: *Self, offset: u32, local: u32) !void {
1083 try self.addLabel(.global_set, 0);1116 try self.addLabel(.global_set, 0);
1084}1117}
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
1086fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {1126fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
1087 const air_tags = self.air.instructions.items(.tag);1127 const air_tags = self.air.instructions.items(.tag);
1088 return switch (air_tags[inst]) {1128 return switch (air_tags[inst]) {
...@@ -1129,11 +1169,15 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {...@@ -1129,11 +1169,15 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
1129 .load => self.airLoad(inst),1169 .load => self.airLoad(inst),
1130 .loop => self.airLoop(inst),1170 .loop => self.airLoop(inst),
1131 .not => self.airNot(inst),1171 .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),
1132 .ret => self.airRet(inst),1175 .ret => self.airRet(inst),
1133 .ret_ptr => self.airRetPtr(inst),1176 .ret_ptr => self.airRetPtr(inst),
1134 .ret_load => self.airRetLoad(inst),1177 .ret_load => self.airRetLoad(inst),
1135 .slice_len => self.airSliceLen(inst),1178 .slice_len => self.airSliceLen(inst),
1136 .slice_elem_val => self.airSliceElemVal(inst),1179 .slice_elem_val => self.airSliceElemVal(inst),
1180 .slice_ptr => self.airSlicePtr(inst),
1137 .store => self.airStore(inst),1181 .store => self.airStore(inst),
1138 .struct_field_ptr => self.airStructFieldPtr(inst),1182 .struct_field_ptr => self.airStructFieldPtr(inst),
1139 .struct_field_ptr_index_0 => self.airStructFieldPtrIndex(inst, 0),1183 .struct_field_ptr_index_0 => self.airStructFieldPtrIndex(inst, 0),
...@@ -1142,16 +1186,14 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {...@@ -1142,16 +1186,14 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
1142 .struct_field_ptr_index_3 => self.airStructFieldPtrIndex(inst, 3),1186 .struct_field_ptr_index_3 => self.airStructFieldPtrIndex(inst, 3),
1143 .struct_field_val => self.airStructFieldVal(inst),1187 .struct_field_val => self.airStructFieldVal(inst),
1144 .switch_br => self.airSwitchBr(inst),1188 .switch_br => self.airSwitchBr(inst),
1189 .trunc => self.airTrunc(inst),
1145 .unreach => self.airUnreachable(inst),1190 .unreach => self.airUnreachable(inst),
1146 .wrap_optional => self.airWrapOptional(inst),
11471191
1192 .wrap_optional => self.airWrapOptional(inst),
1148 .unwrap_errunion_payload => self.airUnwrapErrUnionPayload(inst),1193 .unwrap_errunion_payload => self.airUnwrapErrUnionPayload(inst),
1149 .unwrap_errunion_err => self.airUnwrapErrUnionError(inst),1194 .unwrap_errunion_err => self.airUnwrapErrUnionError(inst),
1150 .wrap_errunion_payload => self.airWrapErrUnionPayload(inst),1195 .wrap_errunion_payload => self.airWrapErrUnionPayload(inst),
11511196 .wrap_errunion_err => self.airWrapErrUnionErr(inst),
1152 .optional_payload => self.airOptionalPayload(inst),
1153 .optional_payload_ptr => self.airOptionalPayload(inst),
1154 .optional_payload_ptr_set => self.airOptionalPayloadPtrSet(inst),
1155 else => |tag| self.fail("TODO: Implement wasm inst: {s}", .{@tagName(tag)}),1197 else => |tag| self.fail("TODO: Implement wasm inst: {s}", .{@tagName(tag)}),
1156 };1198 };
1157}1199}
...@@ -1193,15 +1235,15 @@ fn airRetPtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -1193,15 +1235,15 @@ fn airRetPtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1193 // local, containing the offset to the stack position1235 // local, containing the offset to the stack position
1194 const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i321236 const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i32
1195 try self.moveStack(@intCast(u32, abi_size), local.local);1237 try self.moveStack(@intCast(u32, abi_size), local.local);
1196
1197 return local;1238 return local;
1198}1239}
11991240
1200fn airRetLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {1241fn airRetLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1201 const un_op = self.air.instructions.items(.data)[inst].un_op;1242 const un_op = self.air.instructions.items(.data)[inst].un_op;
1202 const operand = self.resolveInst(un_op);1243 const operand = self.resolveInst(un_op);
1203 const result = try self.load(operand, self.air.typeOf(un_op), 0);1244
1204 try self.addLabel(.local_get, result.local);1245 const result = try self.load(operand, self.air.typeOf(un_op).childType(), 0);
1246 try self.emitWValue(result);
1205 try self.restoreStackPointer();1247 try self.restoreStackPointer();
1206 try self.addTag(.@"return");1248 try self.addTag(.@"return");
1207 return .none;1249 return .none;
...@@ -1231,8 +1273,25 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -1231,8 +1273,25 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1231 };1273 };
12321274
1233 for (args) |arg| {1275 for (args) |arg| {
1234 const arg_val = self.resolveInst(@intToEnum(Air.Inst.Ref, arg));1276 const arg_ref = @intToEnum(Air.Inst.Ref, arg);
1235 try self.emitWValue(arg_val);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 }
1236 }1295 }
12371296
1238 if (target) |direct| {1297 if (target) |direct| {
...@@ -1242,8 +1301,11 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -1242,8 +1301,11 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1242 // so load its value onto the stack1301 // so load its value onto the stack
1243 std.debug.assert(ty.zigTypeTag() == .Pointer);1302 std.debug.assert(ty.zigTypeTag() == .Pointer);
1244 const operand = self.resolveInst(pl_op.operand);1303 const operand = self.resolveInst(pl_op.operand);
1245 try self.emitWValue(operand);1304 const offset = switch (operand) {
1246 const result = try self.load(operand, fn_ty, operand.local_with_offset.offset);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);
1247 try self.addLabel(.local_get, result.local);1309 try self.addLabel(.local_get, result.local);
12481310
1249 var fn_type = try self.genFunctype(fn_ty);1311 var fn_type = try self.genFunctype(fn_ty);
...@@ -1254,14 +1316,12 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -1254,14 +1316,12 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1254 }1316 }
12551317
1256 const ret_ty = fn_ty.fnReturnType();1318 const ret_ty = fn_ty.fnReturnType();
1257 switch (ret_ty.zigTypeTag()) {1319 if (!ret_ty.hasCodeGenBits()) return WValue.none;
1258 .Void, .NoReturn => return WValue.none,1320
1259 else => {1321 const result_local = try self.allocLocal(ret_ty);
1260 const result_local = try self.allocLocal(ret_ty);1322 try self.addLabel(.local_set, result_local.local);
1261 try self.addLabel(.local_set, result_local.local);1323 // if the result was allocated on the virtual stack, we must load
1262 return result_local;1324 return result_local;
1263 },
1264 }
1265}1325}
12661326
1267fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {1327fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
...@@ -1278,7 +1338,6 @@ fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -1278,7 +1338,6 @@ fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1278 // local, containing the offset to the stack position1338 // local, containing the offset to the stack position
1279 const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i321339 const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i32
1280 try self.moveStack(@intCast(u32, abi_size), local.local);1340 try self.moveStack(@intCast(u32, abi_size), local.local);
1281
1282 return local;1341 return local;
1283}1342}
12841343
...@@ -1330,14 +1389,16 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro...@@ -1330,14 +1389,16 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
1330 .local => {1389 .local => {
1331 // Load values from `rhs` stack position and store in `lhs` instead1390 // Load values from `rhs` stack position and store in `lhs` instead
1332 const tag_local = try self.load(rhs, tag_ty, 0);1391 const tag_local = try self.load(rhs, tag_ty, 0);
1333 const payload_local = try self.load(rhs, payload_ty, payload_offset);1392 if (payload_ty.hasCodeGenBits()) {
13341393 const payload_local = try self.load(rhs, payload_ty, payload_offset);
1335 try self.store(lhs, tag_local, tag_ty, 0);1394 try self.store(lhs, payload_local, payload_ty, payload_offset);
1336 return try self.store(lhs, payload_local, payload_ty, payload_offset);1395 }
1396 return try self.store(lhs, tag_local, tag_ty, 0);
1337 },1397 },
1338 .local_with_offset => |with_offset| {1398 .local_with_offset => |with_offset| {
1339 const tag_local = try self.allocLocal(tag_ty);1399 const tag_local = try self.allocLocal(tag_ty);
1340 try self.addImm32(0);1400 try self.addImm32(0);
1401 try self.addLabel(.local_set, tag_local.local);
1341 try self.store(lhs, tag_local, tag_ty, 0);1402 try self.store(lhs, tag_local, tag_ty, 0);
13421403
1343 return try self.store(1404 return try self.store(
...@@ -1366,6 +1427,18 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro...@@ -1366,6 +1427,18 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
1366 }1427 }
1367 return;1428 return;
1368 },1429 },
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 },
1369 else => {},1442 else => {},
1370 }1443 }
1371 try self.emitWValue(lhs);1444 try self.emitWValue(lhs);
...@@ -1402,6 +1475,8 @@ fn airLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -1402,6 +1475,8 @@ fn airLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
1402 const operand = self.resolveInst(ty_op.operand);1475 const operand = self.resolveInst(ty_op.operand);
1403 const ty = self.air.getRefType(ty_op.ty);1476 const ty = self.air.getRefType(ty_op.ty);
14041477
1478 if (!ty.hasCodeGenBits()) return WValue{ .none = {} };
1479
1405 return switch (ty.zigTypeTag()) {1480 return switch (ty.zigTypeTag()) {
1406 .Struct, .ErrorUnion, .Optional, .Pointer => operand, // pass as pointer1481 .Struct, .ErrorUnion, .Optional, .Pointer => operand, // pass as pointer
1407 else => switch (operand) {1482 else => switch (operand) {
...@@ -1415,7 +1490,10 @@ fn load(self: *Self, operand: WValue, ty: Type, offset: u32) InnerError!WValue {...@@ -1415,7 +1490,10 @@ fn load(self: *Self, operand: WValue, ty: Type, offset: u32) InnerError!WValue {
1415 // load local's value from memory by its stack position1490 // load local's value from memory by its stack position
1416 try self.emitWValue(operand);1491 try self.emitWValue(operand);
1417 // Build the opcode with the right bitsize1492 // 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;
1419 // check if we should pass by pointer or value based on ABI size1497 // check if we should pass by pointer or value based on ABI size
1420 // TODO: Implement a way to get ABI values from a given type,1498 // TODO: Implement a way to get ABI values from a given type,
1421 // that is portable across the backend, rather than copying logic.1499 // 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 {...@@ -1526,6 +1604,7 @@ fn airWrapBinOp(self: *Self, inst: Air.Inst.Index, op: Op) InnerError!WValue {
1526}1604}
15271605
1528fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {1606fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
1607 if (val.isUndefDeep()) return self.emitUndefined(ty);
1529 switch (ty.zigTypeTag()) {1608 switch (ty.zigTypeTag()) {
1530 .Int => {1609 .Int => {
1531 const int_info = ty.intInfo(self.target);1610 const int_info = ty.intInfo(self.target);
...@@ -1553,10 +1632,21 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {...@@ -1553,10 +1632,21 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
1553 }1632 }
1554 },1633 },
1555 .Pointer => {1634 .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| {
1557 const decl = payload.data;1640 const decl = payload.data;
1558 decl.alive = true;1641 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 }
1560 } else return self.fail("Wasm TODO: emitConstant for other const pointer tag {s}", .{val.tag()});1650 } else return self.fail("Wasm TODO: emitConstant for other const pointer tag {s}", .{val.tag()});
1561 },1651 },
1562 .Void => {},1652 .Void => {},
...@@ -1631,6 +1721,22 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {...@@ -1631,6 +1721,22 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
1631 }1721 }
1632}1722}
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
1634/// Returns a `Value` as a signed 32 bit value.1740/// Returns a `Value` as a signed 32 bit value.
1635/// It's illegal to provide a value with a type that cannot be represented1741/// It's illegal to provide a value with a type that cannot be represented
1636/// as an integer value.1742/// as an integer value.
...@@ -1781,7 +1887,7 @@ fn airCmp(self: *Self, inst: Air.Inst.Index, op: std.math.CompareOperator) Inner...@@ -1781,7 +1887,7 @@ fn airCmp(self: *Self, inst: Air.Inst.Index, op: std.math.CompareOperator) Inner
1781 });1887 });
1782 try self.addTag(Mir.Inst.Tag.fromOpcode(opcode));1888 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
1785 try self.addLabel(.local_set, cmp_tmp.local);1891 try self.addLabel(.local_set, cmp_tmp.local);
1786 return cmp_tmp;1892 return cmp_tmp;
1787}1893}
...@@ -2081,9 +2187,25 @@ fn airUnwrapErrUnionError(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -2081,9 +2187,25 @@ fn airUnwrapErrUnionError(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2081}2187}
20822188
2083fn airWrapErrUnionPayload(self: *Self, inst: Air.Inst.Index) InnerError!WValue {2189fn airWrapErrUnionPayload(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2190 if (self.liveness.isUnused(inst)) return WValue.none;
2084 const ty_op = self.air.instructions.items(.data)[inst].ty_op;2191 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2085 _ = ty_op;2192 const operand = self.resolveInst(ty_op.operand);
2086 return self.fail("TODO: wasm airWrapErrUnionPayload", .{});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);
2087}2209}
20882210
2089fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {2211fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
...@@ -2092,20 +2214,26 @@ fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -2092,20 +2214,26 @@ fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2092 const operand = self.resolveInst(ty_op.operand);2214 const operand = self.resolveInst(ty_op.operand);
2093 const ref_ty = self.air.typeOf(ty_op.operand);2215 const ref_ty = self.air.typeOf(ty_op.operand);
2094 const ref_info = ref_ty.intInfo(self.target);2216 const ref_info = ref_ty.intInfo(self.target);
2095 const op_bits = ref_info.bits;2217 const wanted_info = ty.intInfo(self.target);
2096 const wanted_bits = ty.intInfo(self.target).bits;
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) {
2099 try self.emitWValue(operand);2228 try self.emitWValue(operand);
2100 try self.addTag(.i32_wrap_i64);2229 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) {
2102 try self.emitWValue(operand);2231 try self.emitWValue(operand);
2103 try self.addTag(switch (ref_info.signedness) {2232 try self.addTag(switch (ref_info.signedness) {
2104 .signed => .i64_extend_i32_s,2233 .signed => .i64_extend_i32_s,
2105 .unsigned => .i64_extend_i32_u,2234 .unsigned => .i64_extend_i32_u,
2106 });2235 });
2107 } else return operand;2236 }
2108
2109 const result = try self.allocLocal(ty);2237 const result = try self.allocLocal(ty);
2110 try self.addLabel(.local_set, result.local);2238 try self.addLabel(.local_set, result.local);
2111 return result;2239 return result;
...@@ -2180,19 +2308,7 @@ fn airSliceLen(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -2180,19 +2308,7 @@ fn airSliceLen(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2180 const operand = self.resolveInst(ty_op.operand);2308 const operand = self.resolveInst(ty_op.operand);
2181 const pointer_width = self.target.cpu.arch.ptrBitWidth() / 8;2309 const pointer_width = self.target.cpu.arch.ptrBitWidth() / 8;
21822310
2183 // Get pointer to slice2311 return try self.load(operand, Type.usize, pointer_width);
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;
2196}2312}
21972313
2198fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {2314fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
...@@ -2206,7 +2322,8 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -2206,7 +2322,8 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2206 const elem_size = elem_ty.abiSize(self.target);2322 const elem_size = elem_ty.abiSize(self.target);
22072323
2208 // load pointer onto stack2324 // 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
2211 // calculate index into slice2328 // calculate index into slice
2212 try self.emitWValue(index);2329 try self.emitWValue(index);
...@@ -2214,25 +2331,79 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {...@@ -2214,25 +2331,79 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2214 try self.addTag(.i32_mul);2331 try self.addTag(.i32_mul);
2215 try self.addTag(.i32_add);2332 try self.addTag(.i32_add);
22162333
2217 const abi_size = if (elem_size < 8)2334 const result = try self.allocLocal(elem_ty);
2218 @intCast(u8, elem_size)2335 try self.addLabel(.local_set, result.local);
2219 else2336 return switch (elem_ty.zigTypeTag()) {
2220 @as(u8, 4); // elements larger than 8 bytes will be passed by pointer2337 // 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{2344fn airSlicePtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2223 .offset = 0,2345 if (self.liveness.isUnused(inst)) return WValue.none;
2224 .alignment = elem_ty.abiAlignment(self.target),2346 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2225 });2347 const operand = self.resolveInst(ty_op.operand);
2226 const signedness: std.builtin.Signedness = if (elem_ty.isUnsignedInt()) .unsigned else .signed;2348 return try self.load(operand, Type.usize, 0);
2227 const opcode = buildOpcode(.{2349}
2228 .valtype1 = try self.typeToValtype(elem_ty),2350
2229 .width = abi_size * 8,2351fn airTrunc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
2230 .op = .load,2352 if (self.liveness.isUnused(inst)) return WValue.none;
2231 .signedness = signedness,2353 const ty_op = self.air.instructions.items(.data)[inst].ty_op;
2232 });2354 const operand = self.resolveInst(ty_op.operand);
2233 try self.addInst(.{ .tag = Mir.Inst.Tag.fromOpcode(opcode), .data = .{ .payload = extra_index } });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);
2236 try self.addLabel(.local_set, result.local);2407 try self.addLabel(.local_set, result.local);
2237 return result;2408 return result;
2238}2409}
src/arch/wasm/Emit.zig+22-1
...@@ -50,6 +50,7 @@ pub fn emitMir(emit: *Emit) InnerError!void {...@@ -50,6 +50,7 @@ pub fn emitMir(emit: *Emit) InnerError!void {
50 .call_indirect => try emit.emitCallIndirect(inst),50 .call_indirect => try emit.emitCallIndirect(inst),
51 .global_get => try emit.emitGlobal(tag, inst),51 .global_get => try emit.emitGlobal(tag, inst),
52 .global_set => try emit.emitGlobal(tag, inst),52 .global_set => try emit.emitGlobal(tag, inst),
53 .function_index => try emit.emitFunctionIndex(inst),
53 .memory_address => try emit.emitMemAddress(inst),54 .memory_address => try emit.emitMemAddress(inst),
5455
55 // immediates56 // immediates
...@@ -147,6 +148,11 @@ pub fn emitMir(emit: *Emit) InnerError!void {...@@ -147,6 +148,11 @@ pub fn emitMir(emit: *Emit) InnerError!void {
147 .i64_div_s => try emit.emitTag(tag),148 .i64_div_s => try emit.emitTag(tag),
148 .i64_div_u => try emit.emitTag(tag),149 .i64_div_u => try emit.emitTag(tag),
149 .i64_and => try emit.emitTag(tag),150 .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),
150 .i32_wrap_i64 => try emit.emitTag(tag),156 .i32_wrap_i64 => try emit.emitTag(tag),
151 .i64_extend_i32_s => try emit.emitTag(tag),157 .i64_extend_i32_s => try emit.emitTag(tag),
152 .i64_extend_i32_u => try emit.emitTag(tag),158 .i64_extend_i32_u => try emit.emitTag(tag),
...@@ -235,7 +241,7 @@ fn emitImm64(emit: *Emit, inst: Mir.Inst.Index) !void {...@@ -235,7 +241,7 @@ fn emitImm64(emit: *Emit, inst: Mir.Inst.Index) !void {
235 const extra_index = emit.mir.instructions.items(.data)[inst].payload;241 const extra_index = emit.mir.instructions.items(.data)[inst].payload;
236 const value = emit.mir.extraData(Mir.Imm64, extra_index);242 const value = emit.mir.extraData(Mir.Imm64, extra_index);
237 try emit.code.append(std.wasm.opcode(.i64_const));243 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()));
239}245}
240246
241fn emitFloat32(emit: *Emit, inst: Mir.Inst.Index) !void {247fn emitFloat32(emit: *Emit, inst: Mir.Inst.Index) !void {
...@@ -284,6 +290,21 @@ fn emitCallIndirect(emit: *Emit, inst: Mir.Inst.Index) !void {...@@ -284,6 +290,21 @@ fn emitCallIndirect(emit: *Emit, inst: Mir.Inst.Index) !void {
284 try leb128.writeULEB128(emit.code.writer(), label);290 try leb128.writeULEB128(emit.code.writer(), label);
285}291}
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
287fn emitMemAddress(emit: *Emit, inst: Mir.Inst.Index) !void {308fn emitMemAddress(emit: *Emit, inst: Mir.Inst.Index) !void {
288 const symbol_index = emit.mir.instructions.items(.data)[inst].label;309 const symbol_index = emit.mir.instructions.items(.data)[inst].label;
289 try emit.code.append(std.wasm.opcode(.i32_const));310 try emit.code.append(std.wasm.opcode(.i32_const));
src/arch/wasm/Mir.zig+18-2
...@@ -348,6 +348,16 @@ pub const Inst = struct {...@@ -348,6 +348,16 @@ pub const Inst = struct {
348 /// Uses `tag`348 /// Uses `tag`
349 i64_and = 0x83,349 i64_and = 0x83,
350 /// Uses `tag`350 /// 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`
351 i32_wrap_i64 = 0xA7,361 i32_wrap_i64 = 0xA7,
352 /// Uses `tag`362 /// Uses `tag`
353 i64_extend_i32_s = 0xAC,363 i64_extend_i32_s = 0xAC,
...@@ -363,11 +373,17 @@ pub const Inst = struct {...@@ -363,11 +373,17 @@ pub const Inst = struct {
363 i64_extend16_s = 0xC3,373 i64_extend16_s = 0xC3,
364 /// Uses `tag`374 /// Uses `tag`
365 i64_extend32_s = 0xC4,375 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,
366 /// Contains a symbol to a memory address382 /// Contains a symbol to a memory address
367 /// Uses `label`383 /// Uses `label`
368 ///384 ///
369 /// Note: This uses `0xFF` as value as it is unused and not-reserved385 /// Note: This uses `0xFF` as value as it is unused and not reserved
370 /// by the wasm specification, making it safe to use386 /// by the wasm specification, making it safe to use.
371 memory_address = 0xFF,387 memory_address = 0xFF,
372388
373 /// From a given wasm opcode, returns a MIR tag.389 /// 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 {...@@ -162,9 +162,8 @@ pub fn deinit(self: *Wasm) void {
162 decl.link.wasm.deinit(self.base.allocator);162 decl.link.wasm.deinit(self.base.allocator);
163 }163 }
164164
165 for (self.func_types.items) |func_type| {165 for (self.func_types.items) |*func_type| {
166 self.base.allocator.free(func_type.params);166 func_type.deinit(self.base.allocator);
167 self.base.allocator.free(func_type.returns);
168 }167 }
169 for (self.segment_info.items) |segment_info| {168 for (self.segment_info.items) |segment_info| {
170 self.base.allocator.free(segment_info.name);169 self.base.allocator.free(segment_info.name);
...@@ -278,7 +277,7 @@ pub fn updateDecl(self: *Wasm, module: *Module, decl: *Module.Decl) !void {...@@ -278,7 +277,7 @@ pub fn updateDecl(self: *Wasm, module: *Module, decl: *Module.Decl) !void {
278 defer codegen.deinit();277 defer codegen.deinit();
279278
280 // generate the 'code' section for the function declaration279 // 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) {
282 error.CodegenFail => {281 error.CodegenFail => {
283 decl.analysis = .codegen_failure;282 decl.analysis = .codegen_failure;
284 try module.failed_decls.put(module.gpa, decl, codegen.err_msg);283 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...@@ -298,6 +297,7 @@ fn finishUpdateDecl(self: *Wasm, decl: *Module.Decl, result: CodeGen.Result, cod
298297
299 if (decl.isExtern()) {298 if (decl.isExtern()) {
300 try self.addOrUpdateImport(decl);299 try self.addOrUpdateImport(decl);
300 return;
301 }301 }
302302
303 if (code.len == 0) return;303 if (code.len == 0) return;
...@@ -574,7 +574,6 @@ fn resetState(self: *Wasm) void {...@@ -574,7 +574,6 @@ fn resetState(self: *Wasm) void {
574 self.segments.clearRetainingCapacity();574 self.segments.clearRetainingCapacity();
575 self.segment_info.clearRetainingCapacity();575 self.segment_info.clearRetainingCapacity();
576 self.data_segments.clearRetainingCapacity();576 self.data_segments.clearRetainingCapacity();
577 self.function_table.clearRetainingCapacity();
578 self.atoms.clearRetainingCapacity();577 self.atoms.clearRetainingCapacity();
579 self.code_section_index = null;578 self.code_section_index = null;
580}579}
...@@ -684,12 +683,16 @@ pub fn flushModule(self: *Wasm, comp: *Compilation) !void {...@@ -684,12 +683,16 @@ pub fn flushModule(self: *Wasm, comp: *Compilation) !void {
684 );683 );
685 }684 }
686685
686 // Table section
687 if (self.function_table.count() > 0) {687 if (self.function_table.count() > 0) {
688 const header_offset = try reserveVecSectionHeader(file);688 const header_offset = try reserveVecSectionHeader(file);
689 const writer = file.writer();689 const writer = file.writer();
690690
691 try leb.writeULEB128(writer, wasm.reftype(.funcref));691 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
694 try writeVecSectionHeader(697 try writeVecSectionHeader(
695 file,698 file,
test/behavior.zig+176-172
...@@ -1,198 +1,202 @@...@@ -1,198 +1,202 @@
1const builtin = @import("builtin");1const builtin = @import("builtin");
22
3test {3test {
4 // Tests that pass for stage1, stage2, and the C backend.4 // Tests that pass for stage1, stage2, the C -and wasm backend.
5 _ = @import("behavior/align.zig");
6 _ = @import("behavior/basic.zig");5 _ = @import("behavior/basic.zig");
7 _ = @import("behavior/bitcast.zig");6 _ = @import("behavior/bitcast.zig");
8 _ = @import("behavior/bool.zig");
9 _ = @import("behavior/bugs/624.zig");7 _ = @import("behavior/bugs/624.zig");
10 _ = @import("behavior/bugs/655.zig");8 _ = @import("behavior/bugs/655.zig");
11 _ = @import("behavior/bugs/679.zig");9 _ = @import("behavior/bugs/679.zig");
12 _ = @import("behavior/bugs/704.zig");
13 _ = @import("behavior/bugs/1111.zig");10 _ = @import("behavior/bugs/1111.zig");
14 _ = @import("behavior/bugs/1486.zig");11 _ = @import("behavior/bugs/1486.zig");
15 _ = @import("behavior/bugs/2346.zig");12 _ = @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");
24 _ = @import("behavior/bugs/6850.zig");13 _ = @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");
29 _ = @import("behavior/enum.zig");14 _ = @import("behavior/enum.zig");
30 _ = @import("behavior/error.zig");
31 _ = @import("behavior/fn_in_struct_in_comptime.zig");
32 _ = @import("behavior/generics.zig");
33 _ = @import("behavior/hasdecl.zig");15 _ = @import("behavior/hasdecl.zig");
34 _ = @import("behavior/hasfield.zig");16 _ = @import("behavior/hasfield.zig");
35 _ = @import("behavior/if.zig");
36 _ = @import("behavior/import.zig");17 _ = @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");
45 _ = @import("behavior/pub_enum.zig");18 _ = @import("behavior/pub_enum.zig");
46 _ = @import("behavior/ref_var_in_if_after_if_2nd_switch_prong.zig");
47 _ = @import("behavior/slice_sentinel_comptime.zig");19 _ = @import("behavior/slice_sentinel_comptime.zig");
48 _ = @import("behavior/struct.zig");
49 _ = @import("behavior/this.zig");
50 _ = @import("behavior/translate_c_macros.zig");
51 _ = @import("behavior/truncate.zig");20 _ = @import("behavior/truncate.zig");
52 _ = @import("behavior/underscore.zig");
53 _ = @import("behavior/usingnamespace.zig");21 _ = @import("behavior/usingnamespace.zig");
54 _ = @import("behavior/while.zig");
5522
56 if (builtin.object_format != .c) {23 // Tests that pass for stage1, stage2 and the C backend, but not for the wasm backend
57 // Tests that pass for stage1 and stage2 but not the C backend.24 if (!builtin.zig_is_stage2 or (builtin.zig_is_stage2 and builtin.stage2_arch != .wasm32)) {
58 _ = @import("behavior/align_llvm.zig");25 _ = @import("behavior/align.zig");
59 _ = @import("behavior/alignof.zig");26 _ = @import("behavior/bool.zig");
60 _ = @import("behavior/array.zig");27 _ = @import("behavior/bugs/704.zig");
61 _ = @import("behavior/atomics.zig");28 _ = @import("behavior/bugs/2692.zig");
62 _ = @import("behavior/basic_llvm.zig");29 _ = @import("behavior/bugs/2889.zig");
63 _ = @import("behavior/bugs/394.zig");30 _ = @import("behavior/bugs/3046.zig");
64 _ = @import("behavior/bugs/656.zig");31 _ = @import("behavior/bugs/3586.zig");
65 _ = @import("behavior/bugs/1277.zig");32 _ = @import("behavior/bugs/4560.zig");
66 _ = @import("behavior/bugs/1381.zig");33 _ = @import("behavior/bugs/4769_a.zig");
67 _ = @import("behavior/bugs/1500.zig");34 _ = @import("behavior/bugs/4769_b.zig");
68 _ = @import("behavior/bugs/1741.zig");35 _ = @import("behavior/bugs/4954.zig");
69 _ = @import("behavior/bugs/2006.zig");36 _ = @import("behavior/byval_arg_var.zig");
70 _ = @import("behavior/bugs/2578.zig");37 _ = @import("behavior/call.zig");
71 _ = @import("behavior/bugs/3007.zig");38 _ = @import("behavior/cast.zig");
72 _ = @import("behavior/bugs/3112.zig");39 _ = @import("behavior/defer.zig");
73 _ = @import("behavior/bugs/7250.zig");40 _ = @import("behavior/error.zig");
74 _ = @import("behavior/cast_llvm.zig");41 _ = @import("behavior/fn_in_struct_in_comptime.zig");
75 _ = @import("behavior/eval.zig");42 _ = @import("behavior/generics.zig");
76 _ = @import("behavior/floatop.zig");43 _ = @import("behavior/if.zig");
77 _ = @import("behavior/fn.zig");44 _ = @import("behavior/incomplete_struct_param_tld.zig");
78 _ = @import("behavior/for.zig");45 _ = @import("behavior/int128.zig");
79 _ = @import("behavior/generics_llvm.zig");46 _ = @import("behavior/inttoptr.zig");
80 _ = @import("behavior/math.zig");47 _ = @import("behavior/member_func.zig");
81 _ = @import("behavior/maximum_minimum.zig");48 _ = @import("behavior/null.zig");
82 _ = @import("behavior/namespace_depends_on_compile_var.zig");49 _ = @import("behavior/optional.zig");
83 _ = @import("behavior/null_llvm.zig");50 _ = @import("behavior/pointers.zig");
84 _ = @import("behavior/optional_llvm.zig");51 _ = @import("behavior/ptrcast.zig");
85 _ = @import("behavior/popcount.zig");52 _ = @import("behavior/ref_var_in_if_after_if_2nd_switch_prong.zig");
86 _ = @import("behavior/saturating_arithmetic.zig");53 _ = @import("behavior/struct.zig");
87 _ = @import("behavior/sizeof_and_typeof.zig");54 _ = @import("behavior/this.zig");
88 _ = @import("behavior/slice.zig");55 _ = @import("behavior/translate_c_macros.zig");
89 _ = @import("behavior/struct_llvm.zig");56 _ = @import("behavior/underscore.zig");
90 _ = @import("behavior/switch.zig");57 _ = @import("behavior/while.zig");
91 _ = @import("behavior/undefined.zig");
92 _ = @import("behavior/union.zig");
93 _ = @import("behavior/void.zig");
94 _ = @import("behavior/widening.zig");
9558
96 if (builtin.zig_is_stage2) {59 if (builtin.object_format != .c) {
97 // When all comptime_memory.zig tests pass, #9646 can be closed.60 // Tests that pass for stage1 and stage2 but not the C backend and wasm backend.
98 // _ = @import("behavior/comptime_memory.zig");61 _ = @import("behavior/align_llvm.zig");
99 _ = @import("behavior/slice_stage2.zig");62 _ = @import("behavior/alignof.zig");
100 } else {63 _ = @import("behavior/array.zig");
101 _ = @import("behavior/align_stage1.zig");64 _ = @import("behavior/atomics.zig");
102 _ = @import("behavior/array_stage1.zig");65 _ = @import("behavior/basic_llvm.zig");
103 if (builtin.os.tag != .wasi) {66 _ = @import("behavior/bugs/394.zig");
104 _ = @import("behavior/asm.zig");67 _ = @import("behavior/bugs/656.zig");
105 _ = @import("behavior/async_fn.zig");68 _ = @import("behavior/bugs/1277.zig");
106 }69 _ = @import("behavior/bugs/1381.zig");
107 _ = @import("behavior/await_struct.zig");70 _ = @import("behavior/bugs/1500.zig");
108 _ = @import("behavior/bit_shifting.zig");71 _ = @import("behavior/bugs/1741.zig");
109 _ = @import("behavior/bitcast_stage1.zig");72 _ = @import("behavior/bugs/2006.zig");
110 _ = @import("behavior/bitreverse.zig");73 _ = @import("behavior/bugs/2578.zig");
111 _ = @import("behavior/bugs/421.zig");74 _ = @import("behavior/bugs/3007.zig");
112 _ = @import("behavior/bugs/529.zig");75 _ = @import("behavior/bugs/3112.zig");
113 _ = @import("behavior/bugs/718.zig");76 _ = @import("behavior/bugs/7250.zig");
114 _ = @import("behavior/bugs/726.zig");77 _ = @import("behavior/cast_llvm.zig");
115 _ = @import("behavior/bugs/828.zig");78 _ = @import("behavior/eval.zig");
116 _ = @import("behavior/bugs/920.zig");79 _ = @import("behavior/floatop.zig");
117 _ = @import("behavior/bugs/1025.zig");80 _ = @import("behavior/fn.zig");
118 _ = @import("behavior/bugs/1076.zig");81 _ = @import("behavior/for.zig");
119 _ = @import("behavior/bugs/1120.zig");82 _ = @import("behavior/generics_llvm.zig");
120 _ = @import("behavior/bugs/1310.zig");83 _ = @import("behavior/math.zig");
121 _ = @import("behavior/bugs/1322.zig");84 _ = @import("behavior/maximum_minimum.zig");
122 _ = @import("behavior/bugs/1421.zig");85 _ = @import("behavior/namespace_depends_on_compile_var.zig");
123 _ = @import("behavior/bugs/1442.zig");86 _ = @import("behavior/null_llvm.zig");
124 _ = @import("behavior/bugs/1607.zig");87 _ = @import("behavior/optional_llvm.zig");
125 _ = @import("behavior/bugs/1735.zig");88 _ = @import("behavior/popcount.zig");
126 _ = @import("behavior/bugs/1851.zig");89 _ = @import("behavior/saturating_arithmetic.zig");
127 _ = @import("behavior/bugs/1914.zig");90 _ = @import("behavior/sizeof_and_typeof.zig");
128 _ = @import("behavior/bugs/2114.zig");91 _ = @import("behavior/slice.zig");
129 _ = @import("behavior/bugs/3367.zig");92 _ = @import("behavior/struct_llvm.zig");
130 _ = @import("behavior/bugs/3384.zig");93 _ = @import("behavior/switch.zig");
131 _ = @import("behavior/bugs/3742.zig");94 _ = @import("behavior/undefined.zig");
132 _ = @import("behavior/bugs/3779.zig");95 _ = @import("behavior/union.zig");
133 _ = @import("behavior/bugs/4328.zig");96 _ = @import("behavior/void.zig");
134 _ = @import("behavior/bugs/5398.zig");97 _ = @import("behavior/widening.zig");
135 _ = @import("behavior/bugs/5413.zig");98
136 _ = @import("behavior/bugs/5474.zig");99 if (builtin.zig_is_stage2) {
137 _ = @import("behavior/bugs/5487.zig");100 // When all comptime_memory.zig tests pass, #9646 can be closed.
138 _ = @import("behavior/bugs/6456.zig");101 // _ = @import("behavior/comptime_memory.zig");
139 _ = @import("behavior/bugs/6781.zig");102 _ = @import("behavior/slice_stage2.zig");
140 _ = @import("behavior/bugs/7003.zig");103 } else {
141 _ = @import("behavior/bugs/7027.zig");104 _ = @import("behavior/align_stage1.zig");
142 _ = @import("behavior/bugs/7047.zig");105 _ = @import("behavior/array_stage1.zig");
143 _ = @import("behavior/bugs/9584.zig");106 if (builtin.os.tag != .wasi) {
144 _ = @import("behavior/bugs/9967.zig");107 _ = @import("behavior/asm.zig");
145 _ = @import("behavior/bugs/10147.zig");108 _ = @import("behavior/async_fn.zig");
146 _ = @import("behavior/byteswap.zig");109 }
147 _ = @import("behavior/call_stage1.zig");110 _ = @import("behavior/await_struct.zig");
148 _ = @import("behavior/cast_stage1.zig");111 _ = @import("behavior/bit_shifting.zig");
149 _ = @import("behavior/const_slice_child.zig");112 _ = @import("behavior/bitcast_stage1.zig");
150 _ = @import("behavior/defer_stage1.zig");113 _ = @import("behavior/bitreverse.zig");
151 _ = @import("behavior/enum_stage1.zig");114 _ = @import("behavior/bugs/421.zig");
152 _ = @import("behavior/error_stage1.zig");115 _ = @import("behavior/bugs/529.zig");
153 _ = @import("behavior/eval_stage1.zig");116 _ = @import("behavior/bugs/718.zig");
154 _ = @import("behavior/field_parent_ptr.zig");117 _ = @import("behavior/bugs/726.zig");
155 _ = @import("behavior/floatop_stage1.zig");118 _ = @import("behavior/bugs/828.zig");
156 _ = @import("behavior/fn_stage1.zig");119 _ = @import("behavior/bugs/920.zig");
157 _ = @import("behavior/fn_delegation.zig");120 _ = @import("behavior/bugs/1025.zig");
158 _ = @import("behavior/for_stage1.zig");121 _ = @import("behavior/bugs/1076.zig");
159 _ = @import("behavior/if_stage1.zig");122 _ = @import("behavior/bugs/1120.zig");
160 _ = @import("behavior/ir_block_deps.zig");123 _ = @import("behavior/bugs/1310.zig");
161 _ = @import("behavior/math_stage1.zig");124 _ = @import("behavior/bugs/1322.zig");
162 _ = @import("behavior/merge_error_sets.zig");125 _ = @import("behavior/bugs/1421.zig");
163 _ = @import("behavior/misc.zig");126 _ = @import("behavior/bugs/1442.zig");
164 _ = @import("behavior/muladd.zig");127 _ = @import("behavior/bugs/1607.zig");
165 _ = @import("behavior/null_stage1.zig");128 _ = @import("behavior/bugs/1735.zig");
166 _ = @import("behavior/optional_stage1.zig");129 _ = @import("behavior/bugs/1851.zig");
167 _ = @import("behavior/pointers_stage1.zig");130 _ = @import("behavior/bugs/1914.zig");
168 _ = @import("behavior/popcount_stage1.zig");131 _ = @import("behavior/bugs/2114.zig");
169 _ = @import("behavior/ptrcast_stage1.zig");132 _ = @import("behavior/bugs/3367.zig");
170 _ = @import("behavior/reflection.zig");133 _ = @import("behavior/bugs/3384.zig");
171 _ = @import("behavior/select.zig");134 _ = @import("behavior/bugs/3742.zig");
172 _ = @import("behavior/shuffle.zig");135 _ = @import("behavior/bugs/3779.zig");
173 _ = @import("behavior/sizeof_and_typeof_stage1.zig");136 _ = @import("behavior/bugs/4328.zig");
174 _ = @import("behavior/slice_stage1.zig");137 _ = @import("behavior/bugs/5398.zig");
175 _ = @import("behavior/struct_contains_null_ptr_itself.zig");138 _ = @import("behavior/bugs/5413.zig");
176 _ = @import("behavior/struct_contains_slice_of_itself.zig");139 _ = @import("behavior/bugs/5474.zig");
177 _ = @import("behavior/struct_stage1.zig");140 _ = @import("behavior/bugs/5487.zig");
178 _ = @import("behavior/switch_prong_err_enum.zig");141 _ = @import("behavior/bugs/6456.zig");
179 _ = @import("behavior/switch_prong_implicit_cast.zig");142 _ = @import("behavior/bugs/6781.zig");
180 _ = @import("behavior/switch_stage1.zig");143 _ = @import("behavior/bugs/7003.zig");
181 _ = @import("behavior/try.zig");144 _ = @import("behavior/bugs/7027.zig");
182 _ = @import("behavior/tuple.zig");145 _ = @import("behavior/bugs/7047.zig");
183 _ = @import("behavior/type.zig");146 _ = @import("behavior/bugs/9584.zig");
184 _ = @import("behavior/type_info.zig");147 _ = @import("behavior/bugs/9967.zig");
185 _ = @import("behavior/typename.zig");148 _ = @import("behavior/bugs/10147.zig");
186 _ = @import("behavior/union_stage1.zig");149 _ = @import("behavior/byteswap.zig");
187 _ = @import("behavior/union_with_members.zig");150 _ = @import("behavior/call_stage1.zig");
188 _ = @import("behavior/var_args.zig");151 _ = @import("behavior/cast_stage1.zig");
189 _ = @import("behavior/vector.zig");152 _ = @import("behavior/const_slice_child.zig");
190 if (builtin.target.cpu.arch == .wasm32) {153 _ = @import("behavior/defer_stage1.zig");
191 _ = @import("behavior/wasm.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");
192 }199 }
193 _ = @import("behavior/while_stage1.zig");
194 _ = @import("behavior/src.zig");
195 _ = @import("behavior/translate_c_macros_stage1.zig");
196 }200 }
197 }201 }
198}202}