Commit 9e03cf9489
Changed files (7)
ci
zinc
src
test
ci/zinc/linux_test.sh
@@ -6,6 +6,7 @@ ZIG=$DEBUG_STAGING/bin/zig
$ZIG test test/behavior.zig -fno-stage1 -fLLVM -I test
$ZIG test test/behavior.zig -fno-stage1 -ofmt=c -I test
+$ZIG test test/behavior.zig -fno-stage1 -target wasm32-wasi --test-cmd wasmtime --test-cmd-bin
$ZIG build test-behavior -fqemu -fwasmtime
$ZIG build test-compiler-rt -fqemu -fwasmtime
src/arch/wasm/CodeGen.zig
@@ -6,6 +6,7 @@ const testing = std.testing;
const leb = std.leb;
const mem = std.mem;
const wasm = std.wasm;
+const log = std.log.scoped(.codegen);
const Module = @import("../../Module.zig");
const Decl = Module.Decl;
@@ -550,7 +551,7 @@ mir_extra: std.ArrayListUnmanaged(u32) = .{},
initial_stack_value: WValue = .none,
/// Arguments of this function declaration
/// This will be set after `resolveCallingConventionValues`
-args: []WValue = undefined,
+args: []WValue = &.{},
/// This will only be `.none` if the function returns void, or returns an immediate.
/// When it returns a pointer to the stack, the `.local` tag will be active and must be populated
/// before this function returns its execution to the caller.
@@ -562,8 +563,6 @@ const InnerError = error{
CodegenFail,
/// Can occur when dereferencing a pointer that points to a `Decl` of which the analysis has failed
AnalysisFail,
- /// Failed to emit MIR instructions to binary/textual representation.
- EmitFail,
/// Compiler implementation could not handle a large integer.
Overflow,
};
@@ -800,7 +799,7 @@ pub fn genFunc(self: *Self) InnerError!Result {
emit.emitMir() catch |err| switch (err) {
error.EmitFail => {
self.err_msg = emit.error_msg.?;
- return error.EmitFail;
+ return error.CodegenFail;
},
else => |e| return e,
};
@@ -809,8 +808,34 @@ pub fn genFunc(self: *Self) InnerError!Result {
return Result.appended;
}
+pub fn genDecl(self: *Self) InnerError!Result {
+ const decl = self.decl;
+ assert(decl.has_tv);
+
+ log.debug("gen: {s} type: {}, value: {}", .{ decl.name, decl.ty, decl.val });
+
+ if (decl.val.castTag(.function)) |func_payload| {
+ _ = func_payload;
+ return self.fail("TODO wasm backend genDecl function pointer", .{});
+ } else if (decl.val.castTag(.extern_fn)) |extern_fn| {
+ const ext_decl = extern_fn.data;
+ var func_type = try self.genFunctype(ext_decl.ty);
+ func_type.deinit(self.gpa);
+ ext_decl.fn_link.wasm.type_index = try self.bin_file.putOrGetFuncType(func_type);
+ return Result.appended;
+ } else {
+ const init_val = if (decl.val.castTag(.variable)) |payload| init_val: {
+ break :init_val payload.data.init;
+ } else decl.val;
+ if (init_val.tag() != .unreachable_value) {
+ return try self.genTypedValue(decl.ty, init_val);
+ }
+ return Result.appended;
+ }
+}
+
/// Generates the wasm bytecode for the declaration belonging to `Context`
-pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
+fn genTypedValue(self: *Self, ty: Type, val: Value) InnerError!Result {
if (val.isUndef()) {
try self.code.appendNTimes(0xaa, @intCast(usize, ty.abiSize(self.target)));
return Result.appended;
@@ -822,16 +847,16 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
.function => val.castTag(.function).?.data.owner_decl,
else => unreachable,
};
- return try self.lowerDeclRef(fn_decl);
+ return try self.lowerDeclRef(ty, val, fn_decl);
},
.Optional => {
var opt_buf: Type.Payload.ElemType = undefined;
const payload_type = ty.optionalChild(&opt_buf);
if (ty.isPtrLikeOptional()) {
if (val.castTag(.opt_payload)) |payload| {
- return try self.genDecl(payload_type, payload.data);
+ return try self.genTypedValue(payload_type, payload.data);
} else if (!val.isNull()) {
- return try self.genDecl(payload_type, val);
+ return try self.genTypedValue(payload_type, val);
} else {
try self.code.appendNTimes(0, @intCast(usize, ty.abiSize(self.target)));
return Result.appended;
@@ -839,7 +864,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
}
// `null-tag` byte
try self.code.appendNTimes(@boolToInt(!val.isNull()), 4);
- const pl_result = try self.genDecl(
+ const pl_result = try self.genTypedValue(
payload_type,
if (val.castTag(.opt_payload)) |pl| pl.data else Value.initTag(.undef),
);
@@ -855,7 +880,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
if (ty.sentinel()) |sentinel| {
try self.code.appendSlice(payload.data);
- switch (try self.genDecl(ty.childType(), sentinel)) {
+ switch (try self.genTypedValue(ty.childType(), sentinel)) {
.appended => return Result.appended,
.externally_managed => |data| {
try self.code.appendSlice(data);
@@ -869,22 +894,20 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
const elem_vals = val.castTag(.array).?.data;
const elem_ty = ty.elemType();
for (elem_vals) |elem_val| {
- switch (try self.genDecl(elem_ty, elem_val)) {
+ switch (try self.genTypedValue(elem_ty, elem_val)) {
.appended => {},
- .externally_managed => |data| {
- try self.code.appendSlice(data);
- },
+ .externally_managed => |data| try self.code.appendSlice(data),
}
}
return Result.appended;
},
- else => return self.fail("TODO implement genDecl for array type value: {s}", .{@tagName(val.tag())}),
+ else => return self.fail("TODO implement genTypedValue for array type value: {s}", .{@tagName(val.tag())}),
},
.Int => {
const info = ty.intInfo(self.target);
const abi_size = @intCast(usize, ty.abiSize(self.target));
// todo: Implement integer sizes larger than 64bits
- if (info.bits > 64) return self.fail("TODO: Implement genDecl for integer bit size: {d}", .{info.bits});
+ if (info.bits > 64) return self.fail("TODO: Implement genTypedValue for integer bit size: {d}", .{info.bits});
var buf: [8]u8 = undefined;
if (info.signedness == .unsigned) {
std.mem.writeIntLittle(u64, &buf, val.toUnsignedInt());
@@ -906,8 +929,7 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
for (field_vals) |field_val, index| {
const field_ty = ty.structFieldType(index);
if (!field_ty.hasCodeGenBits()) continue;
-
- switch (try self.genDecl(field_ty, field_val)) {
+ switch (try self.genTypedValue(field_ty, field_val)) {
.appended => {},
.externally_managed => |payload| try self.code.appendSlice(payload),
}
@@ -923,21 +945,21 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
.Pointer => switch (val.tag()) {
.variable => {
const decl = val.castTag(.variable).?.data.owner_decl;
- return try self.lowerDeclRef(decl);
+ return try self.lowerDeclRef(ty, val, decl);
},
.decl_ref => {
const decl = val.castTag(.decl_ref).?.data;
- return try self.lowerDeclRef(decl);
+ return try self.lowerDeclRef(ty, val, decl);
},
.slice => {
const slice = val.castTag(.slice).?.data;
var buf: Type.SlicePtrFieldTypeBuffer = undefined;
const ptr_ty = ty.slicePtrFieldType(&buf);
- switch (try self.genDecl(ptr_ty, slice.ptr)) {
+ switch (try self.genTypedValue(ptr_ty, slice.ptr)) {
.externally_managed => |data| try self.code.appendSlice(data),
.appended => {},
}
- switch (try self.genDecl(Type.usize, slice.len)) {
+ switch (try self.genTypedValue(Type.usize, slice.len)) {
.externally_managed => |data| try self.code.appendSlice(data),
.appended => {},
}
@@ -949,13 +971,25 @@ pub fn genDecl(self: *Self, ty: Type, val: Value) InnerError!Result {
}
}
-fn lowerDeclRef(self: *Self, decl: *Module.Decl) InnerError!Result {
- decl.alive = true;
+fn lowerDeclRef(self: *Self, ty: Type, val: Value, decl: *Module.Decl) InnerError!Result {
+ if (ty.isSlice()) {
+ var buf: Type.SlicePtrFieldTypeBuffer = undefined;
+ const slice_ty = ty.slicePtrFieldType(&buf);
+ switch (try self.genTypedValue(slice_ty, val)) {
+ .appended => {},
+ .externally_managed => |payload| try self.code.appendSlice(payload),
+ }
+ var slice_len: Value.Payload.U64 = .{
+ .base = .{ .tag = .int_u64 },
+ .data = val.sliceLen(),
+ };
+ return try self.genTypedValue(Type.usize, Value.initPayload(&slice_len.base));
+ }
const offset = @intCast(u32, self.code.items.len);
const atom = &self.decl.link.wasm;
const target_sym_index = decl.link.wasm.sym_index;
-
+ decl.alive = true;
if (decl.ty.zigTypeTag() == .Fn) {
// We found a function pointer, so add it to our table,
// 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
const ret_ty = fn_ty.fnReturnType();
switch (ret_ty.zigTypeTag()) {
- .ErrorUnion, .Optional => result.return_value = try self.allocLocal(Type.initTag(.i32)),
+ .ErrorUnion, .Optional, .Pointer => result.return_value = try self.allocLocal(Type.initTag(.i32)),
.Int, .Float, .Bool, .Void, .NoReturn => {},
else => return self.fail("TODO: Implement function return type {}", .{ret_ty}),
}
@@ -1028,6 +1062,11 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) InnerError!CallWValu
};
try self.moveStack(offset, result.return_value.local);
+
+ // We want to make sure the return value's stack value doesn't get overwritten,
+ // so set initial stack value to current's position instead.
+ try self.addLabel(.global_get, 0);
+ try self.addLabel(.local_set, self.initial_stack_value.local);
}
},
else => return self.fail("TODO implement function parameters for cc '{}' on wasm", .{cc}),
@@ -1042,10 +1081,6 @@ fn initializeStack(self: *Self) !void {
assert(self.initial_stack_value == .none);
// reserve space for immediate value
// get stack pointer global
- // TODO: For now, we hardcode the stack pointer to index '0',
- // once the linker is further implemented, we can replace this by inserting
- // a relocation and have the linker resolve the correct index to the stack pointer global.
- // NOTE: relocations of the type GLOBAL_INDEX_LEB are 5-bytes big
try self.addLabel(.global_get, 0);
// Reserve a local to store the current stack pointer
@@ -1074,8 +1109,6 @@ fn restoreStackPointer(self: *Self) !void {
/// the result back into the stack pointer.
fn moveStack(self: *Self, offset: u32, local: u32) !void {
if (offset == 0) return;
- // TODO: Rather than hardcode the stack pointer to position 0,
- // have the linker resolve its relocation
try self.addLabel(.global_get, 0);
try self.addImm32(@bitCast(i32, offset));
try self.addTag(.i32_sub);
@@ -1083,6 +1116,13 @@ fn moveStack(self: *Self, offset: u32, local: u32) !void {
try self.addLabel(.global_set, 0);
}
+/// From given zig bitsize, returns the wasm bitsize
+fn toWasmIntBits(bits: u16) ?u16 {
+ return for ([_]u16{ 32, 64 }) |wasm_bits| {
+ if (bits <= wasm_bits) return wasm_bits;
+ } else null;
+}
+
fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
const air_tags = self.air.instructions.items(.tag);
return switch (air_tags[inst]) {
@@ -1129,11 +1169,15 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
.load => self.airLoad(inst),
.loop => self.airLoop(inst),
.not => self.airNot(inst),
+ .optional_payload => self.airOptionalPayload(inst),
+ .optional_payload_ptr => self.airOptionalPayload(inst),
+ .optional_payload_ptr_set => self.airOptionalPayloadPtrSet(inst),
.ret => self.airRet(inst),
.ret_ptr => self.airRetPtr(inst),
.ret_load => self.airRetLoad(inst),
.slice_len => self.airSliceLen(inst),
.slice_elem_val => self.airSliceElemVal(inst),
+ .slice_ptr => self.airSlicePtr(inst),
.store => self.airStore(inst),
.struct_field_ptr => self.airStructFieldPtr(inst),
.struct_field_ptr_index_0 => self.airStructFieldPtrIndex(inst, 0),
@@ -1142,16 +1186,14 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
.struct_field_ptr_index_3 => self.airStructFieldPtrIndex(inst, 3),
.struct_field_val => self.airStructFieldVal(inst),
.switch_br => self.airSwitchBr(inst),
+ .trunc => self.airTrunc(inst),
.unreach => self.airUnreachable(inst),
- .wrap_optional => self.airWrapOptional(inst),
+ .wrap_optional => self.airWrapOptional(inst),
.unwrap_errunion_payload => self.airUnwrapErrUnionPayload(inst),
.unwrap_errunion_err => self.airUnwrapErrUnionError(inst),
.wrap_errunion_payload => self.airWrapErrUnionPayload(inst),
-
- .optional_payload => self.airOptionalPayload(inst),
- .optional_payload_ptr => self.airOptionalPayload(inst),
- .optional_payload_ptr_set => self.airOptionalPayloadPtrSet(inst),
+ .wrap_errunion_err => self.airWrapErrUnionErr(inst),
else => |tag| self.fail("TODO: Implement wasm inst: {s}", .{@tagName(tag)}),
};
}
@@ -1193,15 +1235,15 @@ fn airRetPtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
// local, containing the offset to the stack position
const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i32
try self.moveStack(@intCast(u32, abi_size), local.local);
-
return local;
}
fn airRetLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const un_op = self.air.instructions.items(.data)[inst].un_op;
const operand = self.resolveInst(un_op);
- const result = try self.load(operand, self.air.typeOf(un_op), 0);
- try self.addLabel(.local_get, result.local);
+
+ const result = try self.load(operand, self.air.typeOf(un_op).childType(), 0);
+ try self.emitWValue(result);
try self.restoreStackPointer();
try self.addTag(.@"return");
return .none;
@@ -1231,8 +1273,25 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
};
for (args) |arg| {
- const arg_val = self.resolveInst(@intToEnum(Air.Inst.Ref, arg));
- try self.emitWValue(arg_val);
+ const arg_ref = @intToEnum(Air.Inst.Ref, arg);
+ const arg_val = self.resolveInst(arg_ref);
+
+ const arg_ty = self.air.typeOf(arg_ref);
+ switch (arg_ty.zigTypeTag()) {
+ .Struct, .Pointer, .Optional, .ErrorUnion => {
+ // single pointer can be passed directly
+ if (arg_ty.isSinglePointer() or arg_val != .constant) {
+ try self.emitWValue(arg_val);
+ continue;
+ }
+ const abi_size = arg_ty.abiSize(self.target);
+ const arg_local = try self.allocLocal(Type.initTag(.i32));
+ try self.moveStack(@intCast(u32, abi_size), arg_local.local);
+ try self.store(arg_local, arg_val, arg_ty, 0);
+ try self.emitWValue(arg_local);
+ },
+ else => try self.emitWValue(arg_val),
+ }
}
if (target) |direct| {
@@ -1242,8 +1301,11 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
// so load its value onto the stack
std.debug.assert(ty.zigTypeTag() == .Pointer);
const operand = self.resolveInst(pl_op.operand);
- try self.emitWValue(operand);
- const result = try self.load(operand, fn_ty, operand.local_with_offset.offset);
+ const offset = switch (operand) {
+ .local_with_offset => |with_offset| with_offset.offset,
+ else => @as(u32, 0),
+ };
+ const result = try self.load(operand, fn_ty, offset);
try self.addLabel(.local_get, result.local);
var fn_type = try self.genFunctype(fn_ty);
@@ -1254,14 +1316,12 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
}
const ret_ty = fn_ty.fnReturnType();
- switch (ret_ty.zigTypeTag()) {
- .Void, .NoReturn => return WValue.none,
- else => {
- const result_local = try self.allocLocal(ret_ty);
- try self.addLabel(.local_set, result_local.local);
- return result_local;
- },
- }
+ if (!ret_ty.hasCodeGenBits()) return WValue.none;
+
+ const result_local = try self.allocLocal(ret_ty);
+ try self.addLabel(.local_set, result_local.local);
+ // if the result was allocated on the virtual stack, we must load
+ return result_local;
}
fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
@@ -1278,7 +1338,6 @@ fn airAlloc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
// local, containing the offset to the stack position
const local = try self.allocLocal(Type.initTag(.i32)); // always pointer therefore i32
try self.moveStack(@intCast(u32, abi_size), local.local);
-
return local;
}
@@ -1330,14 +1389,16 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
.local => {
// Load values from `rhs` stack position and store in `lhs` instead
const tag_local = try self.load(rhs, tag_ty, 0);
- const payload_local = try self.load(rhs, payload_ty, payload_offset);
-
- try self.store(lhs, tag_local, tag_ty, 0);
- return try self.store(lhs, payload_local, payload_ty, payload_offset);
+ if (payload_ty.hasCodeGenBits()) {
+ const payload_local = try self.load(rhs, payload_ty, payload_offset);
+ try self.store(lhs, payload_local, payload_ty, payload_offset);
+ }
+ return try self.store(lhs, tag_local, tag_ty, 0);
},
.local_with_offset => |with_offset| {
const tag_local = try self.allocLocal(tag_ty);
try self.addImm32(0);
+ try self.addLabel(.local_set, tag_local.local);
try self.store(lhs, tag_local, tag_ty, 0);
return try self.store(
@@ -1366,6 +1427,18 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
}
return;
},
+ .Pointer => {
+ if (ty.isSlice() and rhs == .constant) {
+ try self.emitWValue(rhs);
+ const len_local = try self.allocLocal(Type.usize);
+ const ptr_local = try self.allocLocal(Type.usize);
+ try self.addLabel(.local_set, len_local.local);
+ try self.addLabel(.local_set, ptr_local.local);
+ try self.store(lhs, ptr_local, Type.usize, 0);
+ try self.store(lhs, len_local, Type.usize, self.target.cpu.arch.ptrBitWidth() / 8);
+ return;
+ }
+ },
else => {},
}
try self.emitWValue(lhs);
@@ -1402,6 +1475,8 @@ fn airLoad(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const operand = self.resolveInst(ty_op.operand);
const ty = self.air.getRefType(ty_op.ty);
+ if (!ty.hasCodeGenBits()) return WValue{ .none = {} };
+
return switch (ty.zigTypeTag()) {
.Struct, .ErrorUnion, .Optional, .Pointer => operand, // pass as pointer
else => switch (operand) {
@@ -1415,7 +1490,10 @@ fn load(self: *Self, operand: WValue, ty: Type, offset: u32) InnerError!WValue {
// load local's value from memory by its stack position
try self.emitWValue(operand);
// Build the opcode with the right bitsize
- const signedness: std.builtin.Signedness = if (ty.isUnsignedInt()) .unsigned else .signed;
+ const signedness: std.builtin.Signedness = if (ty.isUnsignedInt() or ty.zigTypeTag() == .ErrorSet)
+ .unsigned
+ else
+ .signed;
// check if we should pass by pointer or value based on ABI size
// TODO: Implement a way to get ABI values from a given type,
// 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 {
}
fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
+ if (val.isUndefDeep()) return self.emitUndefined(ty);
switch (ty.zigTypeTag()) {
.Int => {
const int_info = ty.intInfo(self.target);
@@ -1553,10 +1632,21 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
}
},
.Pointer => {
- if (val.castTag(.decl_ref)) |payload| {
+ if (val.castTag(.slice)) |slice| {
+ var buf: Type.SlicePtrFieldTypeBuffer = undefined;
+ try self.emitConstant(slice.data.ptr, ty.slicePtrFieldType(&buf));
+ try self.emitConstant(slice.data.len, Type.usize);
+ } else if (val.castTag(.decl_ref)) |payload| {
const decl = payload.data;
decl.alive = true;
- try self.addLabel(.memory_address, decl.link.wasm.sym_index);
+ // Function pointers use a table index, rather than a memory address
+ if (decl.ty.zigTypeTag() == .Fn) {
+ const target_sym_index = decl.link.wasm.sym_index;
+ try self.bin_file.addTableFunction(target_sym_index);
+ try self.addLabel(.function_index, target_sym_index);
+ } else {
+ try self.addLabel(.memory_address, decl.link.wasm.sym_index);
+ }
} else return self.fail("Wasm TODO: emitConstant for other const pointer tag {s}", .{val.tag()});
},
.Void => {},
@@ -1631,6 +1721,22 @@ fn emitConstant(self: *Self, val: Value, ty: Type) InnerError!void {
}
}
+fn emitUndefined(self: *Self, ty: Type) InnerError!void {
+ switch (ty.zigTypeTag()) {
+ .Int => switch (ty.intInfo(self.target).bits) {
+ 0...32 => try self.addImm32(@bitCast(i32, @as(u32, 0xaaaaaaaa))),
+ 33...64 => try self.addImm64(0xaaaaaaaaaaaaaaaa),
+ else => |bits| return self.fail("Wasm TODO: emitUndefined for integer bitsize: {d}", .{bits}),
+ },
+ .Float => switch (ty.floatBits(self.target)) {
+ 0...32 => try self.addInst(.{ .tag = .f32_const, .data = .{ .float32 = @bitCast(f32, @as(u32, 0xaaaaaaaa)) } }),
+ 33...64 => try self.addFloat64(@bitCast(f64, @as(u64, 0xaaaaaaaaaaaaaaaa))),
+ else => |bits| return self.fail("Wasm TODO: emitUndefined for float bitsize: {d}", .{bits}),
+ },
+ else => return self.fail("Wasm TODO: emitUndefined for type: {}\n", .{ty}),
+ }
+}
+
/// Returns a `Value` as a signed 32 bit value.
/// It's illegal to provide a value with a type that cannot be represented
/// as an integer value.
@@ -1781,7 +1887,7 @@ fn airCmp(self: *Self, inst: Air.Inst.Index, op: std.math.CompareOperator) Inner
});
try self.addTag(Mir.Inst.Tag.fromOpcode(opcode));
- const cmp_tmp = try self.allocLocal(lhs_ty);
+ const cmp_tmp = try self.allocLocal(Type.initTag(.i32)); // bool is always i32
try self.addLabel(.local_set, cmp_tmp.local);
return cmp_tmp;
}
@@ -2081,9 +2187,25 @@ fn airUnwrapErrUnionError(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
}
fn airWrapErrUnionPayload(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
+ if (self.liveness.isUnused(inst)) return WValue.none;
const ty_op = self.air.instructions.items(.data)[inst].ty_op;
- _ = ty_op;
- return self.fail("TODO: wasm airWrapErrUnionPayload", .{});
+ const operand = self.resolveInst(ty_op.operand);
+
+ const op_ty = self.air.typeOf(ty_op.operand);
+ if (!op_ty.hasCodeGenBits()) return WValue.none;
+ const err_ty = self.air.getRefType(ty_op.ty);
+ const offset = err_ty.errorUnionSet().abiSize(self.target);
+
+ return WValue{ .local_with_offset = .{
+ .local = operand.local,
+ .offset = @intCast(u32, offset),
+ } };
+}
+
+fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
+ if (self.liveness.isUnused(inst)) return WValue.none;
+ const ty_op = self.air.instructions.items(.data)[inst].ty_op;
+ return self.resolveInst(ty_op.operand);
}
fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
@@ -2092,20 +2214,26 @@ fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const operand = self.resolveInst(ty_op.operand);
const ref_ty = self.air.typeOf(ty_op.operand);
const ref_info = ref_ty.intInfo(self.target);
- const op_bits = ref_info.bits;
- const wanted_bits = ty.intInfo(self.target).bits;
+ const wanted_info = ty.intInfo(self.target);
- if (op_bits > 32 and wanted_bits <= 32) {
+ const op_bits = toWasmIntBits(ref_info.bits) orelse
+ return self.fail("TODO: Wasm intcast integer types of bitsize: {d}", .{ref_info.bits});
+ const wanted_bits = toWasmIntBits(wanted_info.bits) orelse
+ return self.fail("TODO: Wasm intcast integer types of bitsize: {d}", .{wanted_info.bits});
+
+ // hot path
+ if (op_bits == wanted_bits) return operand;
+
+ if (op_bits > 32 and wanted_bits == 32) {
try self.emitWValue(operand);
try self.addTag(.i32_wrap_i64);
- } else if (op_bits <= 32 and wanted_bits > 32) {
+ } else if (op_bits == 32 and wanted_bits > 32) {
try self.emitWValue(operand);
try self.addTag(switch (ref_info.signedness) {
.signed => .i64_extend_i32_s,
.unsigned => .i64_extend_i32_u,
});
- } else return operand;
-
+ }
const result = try self.allocLocal(ty);
try self.addLabel(.local_set, result.local);
return result;
@@ -2180,19 +2308,7 @@ fn airSliceLen(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const operand = self.resolveInst(ty_op.operand);
const pointer_width = self.target.cpu.arch.ptrBitWidth() / 8;
- // Get pointer to slice
- try self.emitWValue(operand);
- // length of slice is stored after the pointer of the slice
- const extra_index = try self.addExtra(Mir.MemArg{
- .offset = pointer_width,
- .alignment = pointer_width,
- });
- try self.addInst(.{ .tag = .i32_load, .data = .{ .payload = extra_index } });
-
- const result = try self.allocLocal(Type.initTag(.i32)); // pointer is always i32
- // store slice length in local
- try self.addLabel(.local_set, result.local);
- return result;
+ return try self.load(operand, Type.usize, pointer_width);
}
fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
@@ -2206,7 +2322,8 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const elem_size = elem_ty.abiSize(self.target);
// load pointer onto stack
- try self.emitWValue(slice);
+ const slice_ptr = try self.load(slice, slice_ty, 0);
+ try self.addLabel(.local_get, slice_ptr.local);
// calculate index into slice
try self.emitWValue(index);
@@ -2214,25 +2331,79 @@ fn airSliceElemVal(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
try self.addTag(.i32_mul);
try self.addTag(.i32_add);
- const abi_size = if (elem_size < 8)
- @intCast(u8, elem_size)
- else
- @as(u8, 4); // elements larger than 8 bytes will be passed by pointer
+ const result = try self.allocLocal(elem_ty);
+ try self.addLabel(.local_set, result.local);
+ return switch (elem_ty.zigTypeTag()) {
+ // pass as pointer
+ .Pointer, .Struct, .Optional => result,
+ // pass by value
+ else => try self.load(result, elem_ty, 0),
+ };
+}
- const extra_index = try self.addExtra(Mir.MemArg{
- .offset = 0,
- .alignment = elem_ty.abiAlignment(self.target),
- });
- const signedness: std.builtin.Signedness = if (elem_ty.isUnsignedInt()) .unsigned else .signed;
- const opcode = buildOpcode(.{
- .valtype1 = try self.typeToValtype(elem_ty),
- .width = abi_size * 8,
- .op = .load,
- .signedness = signedness,
- });
- try self.addInst(.{ .tag = Mir.Inst.Tag.fromOpcode(opcode), .data = .{ .payload = extra_index } });
+fn airSlicePtr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
+ if (self.liveness.isUnused(inst)) return WValue.none;
+ const ty_op = self.air.instructions.items(.data)[inst].ty_op;
+ const operand = self.resolveInst(ty_op.operand);
+ return try self.load(operand, Type.usize, 0);
+}
+
+fn airTrunc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
+ if (self.liveness.isUnused(inst)) return WValue.none;
+ const ty_op = self.air.instructions.items(.data)[inst].ty_op;
+ const operand = self.resolveInst(ty_op.operand);
+ const op_ty = self.air.typeOf(ty_op.operand);
+ const int_info = self.air.getRefType(ty_op.ty).intInfo(self.target);
+ const wanted_bits = int_info.bits;
+ const result = try self.allocLocal(self.air.getRefType(ty_op.ty));
+ const op_bits = op_ty.intInfo(self.target).bits;
+
+ const wasm_bits = toWasmIntBits(wanted_bits) orelse
+ return self.fail("TODO: Implement wasm integer truncation for integer bitsize: {d}", .{wanted_bits});
+
+ // Use wasm's instruction to wrap from 64bit to 32bit integer when possible
+ if (op_bits == 64 and wanted_bits == 32) {
+ try self.emitWValue(operand);
+ try self.addTag(.i32_wrap_i64);
+ try self.addLabel(.local_set, result.local);
+ return result;
+ }
+
+ // Any other truncation must be done manually
+ if (int_info.signedness == .unsigned) {
+ const mask = (@as(u65, 1) << @intCast(u7, wanted_bits)) - 1;
+ try self.emitWValue(operand);
+ switch (wasm_bits) {
+ 32 => {
+ try self.addImm32(@bitCast(i32, @intCast(u32, mask)));
+ try self.addTag(.i32_and);
+ },
+ 64 => {
+ try self.addImm64(@intCast(u64, mask));
+ try self.addTag(.i64_and);
+ },
+ else => unreachable,
+ }
+ } else {
+ const shift_bits = wasm_bits - wanted_bits;
+ try self.emitWValue(operand);
+ switch (wasm_bits) {
+ 32 => {
+ try self.addImm32(@bitCast(i16, shift_bits));
+ try self.addTag(.i32_shl);
+ try self.addImm32(@bitCast(i16, shift_bits));
+ try self.addTag(.i32_shr_s);
+ },
+ 64 => {
+ try self.addImm64(shift_bits);
+ try self.addTag(.i64_shl);
+ try self.addImm64(shift_bits);
+ try self.addTag(.i64_shr_s);
+ },
+ else => unreachable,
+ }
+ }
- const result = try self.allocLocal(elem_ty);
try self.addLabel(.local_set, result.local);
return result;
}
src/arch/wasm/Emit.zig
@@ -50,6 +50,7 @@ pub fn emitMir(emit: *Emit) InnerError!void {
.call_indirect => try emit.emitCallIndirect(inst),
.global_get => try emit.emitGlobal(tag, inst),
.global_set => try emit.emitGlobal(tag, inst),
+ .function_index => try emit.emitFunctionIndex(inst),
.memory_address => try emit.emitMemAddress(inst),
// immediates
@@ -147,6 +148,11 @@ pub fn emitMir(emit: *Emit) InnerError!void {
.i64_div_s => try emit.emitTag(tag),
.i64_div_u => try emit.emitTag(tag),
.i64_and => try emit.emitTag(tag),
+ .i64_or => try emit.emitTag(tag),
+ .i64_xor => try emit.emitTag(tag),
+ .i64_shl => try emit.emitTag(tag),
+ .i64_shr_s => try emit.emitTag(tag),
+ .i64_shr_u => try emit.emitTag(tag),
.i32_wrap_i64 => try emit.emitTag(tag),
.i64_extend_i32_s => try emit.emitTag(tag),
.i64_extend_i32_u => try emit.emitTag(tag),
@@ -235,7 +241,7 @@ fn emitImm64(emit: *Emit, inst: Mir.Inst.Index) !void {
const extra_index = emit.mir.instructions.items(.data)[inst].payload;
const value = emit.mir.extraData(Mir.Imm64, extra_index);
try emit.code.append(std.wasm.opcode(.i64_const));
- try leb128.writeULEB128(emit.code.writer(), value.data.toU64());
+ try leb128.writeILEB128(emit.code.writer(), @bitCast(i64, value.data.toU64()));
}
fn emitFloat32(emit: *Emit, inst: Mir.Inst.Index) !void {
@@ -284,6 +290,21 @@ fn emitCallIndirect(emit: *Emit, inst: Mir.Inst.Index) !void {
try leb128.writeULEB128(emit.code.writer(), label);
}
+fn emitFunctionIndex(emit: *Emit, inst: Mir.Inst.Index) !void {
+ const symbol_index = emit.mir.instructions.items(.data)[inst].label;
+ try emit.code.append(std.wasm.opcode(.i32_const));
+ const index_offset = emit.offset();
+ var buf: [5]u8 = undefined;
+ leb128.writeUnsignedFixed(5, &buf, symbol_index);
+ try emit.code.appendSlice(&buf);
+
+ try emit.decl.link.wasm.relocs.append(emit.bin_file.allocator, .{
+ .offset = index_offset,
+ .index = symbol_index,
+ .relocation_type = .R_WASM_TABLE_INDEX_SLEB,
+ });
+}
+
fn emitMemAddress(emit: *Emit, inst: Mir.Inst.Index) !void {
const symbol_index = emit.mir.instructions.items(.data)[inst].label;
try emit.code.append(std.wasm.opcode(.i32_const));
src/arch/wasm/Mir.zig
@@ -348,6 +348,16 @@ pub const Inst = struct {
/// Uses `tag`
i64_and = 0x83,
/// Uses `tag`
+ i64_or = 0x84,
+ /// Uses `tag`
+ i64_xor = 0x85,
+ /// Uses `tag`
+ i64_shl = 0x86,
+ /// Uses `tag`
+ i64_shr_s = 0x87,
+ /// Uses `tag`
+ i64_shr_u = 0x88,
+ /// Uses `tag`
i32_wrap_i64 = 0xA7,
/// Uses `tag`
i64_extend_i32_s = 0xAC,
@@ -363,11 +373,17 @@ pub const Inst = struct {
i64_extend16_s = 0xC3,
/// Uses `tag`
i64_extend32_s = 0xC4,
+ /// Contains a symbol to a function pointer
+ /// uses `label`
+ ///
+ /// Note: This uses `0xFE` as value as it is unused and not reserved
+ /// by the wasm specification, making it safe to use.
+ function_index = 0xFE,
/// Contains a symbol to a memory address
/// Uses `label`
///
- /// Note: This uses `0xFF` as value as it is unused and not-reserved
- /// by the wasm specification, making it safe to use
+ /// Note: This uses `0xFF` as value as it is unused and not reserved
+ /// by the wasm specification, making it safe to use.
memory_address = 0xFF,
/// From a given wasm opcode, returns a MIR tag.
src/link/Wasm.zig
@@ -162,9 +162,8 @@ pub fn deinit(self: *Wasm) void {
decl.link.wasm.deinit(self.base.allocator);
}
- for (self.func_types.items) |func_type| {
- self.base.allocator.free(func_type.params);
- self.base.allocator.free(func_type.returns);
+ for (self.func_types.items) |*func_type| {
+ func_type.deinit(self.base.allocator);
}
for (self.segment_info.items) |segment_info| {
self.base.allocator.free(segment_info.name);
@@ -278,7 +277,7 @@ pub fn updateDecl(self: *Wasm, module: *Module, decl: *Module.Decl) !void {
defer codegen.deinit();
// generate the 'code' section for the function declaration
- const result = codegen.genDecl(decl.ty, decl.val) catch |err| switch (err) {
+ const result = codegen.genDecl() catch |err| switch (err) {
error.CodegenFail => {
decl.analysis = .codegen_failure;
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
if (decl.isExtern()) {
try self.addOrUpdateImport(decl);
+ return;
}
if (code.len == 0) return;
@@ -574,7 +574,6 @@ fn resetState(self: *Wasm) void {
self.segments.clearRetainingCapacity();
self.segment_info.clearRetainingCapacity();
self.data_segments.clearRetainingCapacity();
- self.function_table.clearRetainingCapacity();
self.atoms.clearRetainingCapacity();
self.code_section_index = null;
}
@@ -684,12 +683,16 @@ pub fn flushModule(self: *Wasm, comp: *Compilation) !void {
);
}
+ // Table section
if (self.function_table.count() > 0) {
const header_offset = try reserveVecSectionHeader(file);
const writer = file.writer();
try leb.writeULEB128(writer, wasm.reftype(.funcref));
- try emitLimits(writer, .{ .min = 1, .max = null });
+ try emitLimits(writer, .{
+ .min = @intCast(u32, self.function_table.count()),
+ .max = null,
+ });
try writeVecSectionHeader(
file,
src/Module.zig
@@ -1226,19 +1226,20 @@ pub const Fn = struct {
};
pub fn deinit(func: *Fn, gpa: Allocator) void {
- if (func.getInferredErrorSet()) |map| {
- map.deinit(gpa);
+ if (func.getInferredErrorSet()) |error_set_data| {
+ error_set_data.map.deinit(gpa);
+ error_set_data.functions.deinit(gpa);
}
}
- pub fn getInferredErrorSet(func: *Fn) ?*std.StringHashMapUnmanaged(void) {
+ pub fn getInferredErrorSet(func: *Fn) ?*Type.Payload.ErrorSetInferred.Data {
const ret_ty = func.owner_decl.ty.fnReturnType();
if (ret_ty.tag() == .generic_poison) {
return null;
}
if (ret_ty.zigTypeTag() == .ErrorUnion) {
if (ret_ty.errorUnionSet().castTag(.error_set_inferred)) |payload| {
- return &payload.data.map;
+ return &payload.data;
}
}
return null;
@@ -1301,6 +1302,7 @@ pub const Namespace = struct {
key.destroy(mod);
}
anon_decls.deinit(gpa);
+ ns.usingnamespace_set.deinit(gpa);
}
pub fn deleteAllDecls(
@@ -1332,6 +1334,8 @@ pub const Namespace = struct {
child_decl.destroy(mod);
}
anon_decls.deinit(gpa);
+
+ ns.usingnamespace_set.deinit(gpa);
}
// This renders e.g. "std.fs.Dir.OpenOptions"
test/behavior.zig
@@ -1,198 +1,202 @@
const builtin = @import("builtin");
test {
- // Tests that pass for stage1, stage2, and the C backend.
- _ = @import("behavior/align.zig");
+ // Tests that pass for stage1, stage2, the C -and wasm backend.
_ = @import("behavior/basic.zig");
_ = @import("behavior/bitcast.zig");
- _ = @import("behavior/bool.zig");
_ = @import("behavior/bugs/624.zig");
_ = @import("behavior/bugs/655.zig");
_ = @import("behavior/bugs/679.zig");
- _ = @import("behavior/bugs/704.zig");
_ = @import("behavior/bugs/1111.zig");
_ = @import("behavior/bugs/1486.zig");
_ = @import("behavior/bugs/2346.zig");
- _ = @import("behavior/bugs/2692.zig");
- _ = @import("behavior/bugs/2889.zig");
- _ = @import("behavior/bugs/3046.zig");
- _ = @import("behavior/bugs/3586.zig");
- _ = @import("behavior/bugs/4560.zig");
- _ = @import("behavior/bugs/4769_a.zig");
- _ = @import("behavior/bugs/4769_b.zig");
- _ = @import("behavior/bugs/4954.zig");
_ = @import("behavior/bugs/6850.zig");
- _ = @import("behavior/byval_arg_var.zig");
- _ = @import("behavior/call.zig");
- _ = @import("behavior/cast.zig");
- _ = @import("behavior/defer.zig");
_ = @import("behavior/enum.zig");
- _ = @import("behavior/error.zig");
- _ = @import("behavior/fn_in_struct_in_comptime.zig");
- _ = @import("behavior/generics.zig");
_ = @import("behavior/hasdecl.zig");
_ = @import("behavior/hasfield.zig");
- _ = @import("behavior/if.zig");
_ = @import("behavior/import.zig");
- _ = @import("behavior/incomplete_struct_param_tld.zig");
- _ = @import("behavior/int128.zig");
- _ = @import("behavior/inttoptr.zig");
- _ = @import("behavior/member_func.zig");
- _ = @import("behavior/null.zig");
- _ = @import("behavior/optional.zig");
- _ = @import("behavior/pointers.zig");
- _ = @import("behavior/ptrcast.zig");
_ = @import("behavior/pub_enum.zig");
- _ = @import("behavior/ref_var_in_if_after_if_2nd_switch_prong.zig");
_ = @import("behavior/slice_sentinel_comptime.zig");
- _ = @import("behavior/struct.zig");
- _ = @import("behavior/this.zig");
- _ = @import("behavior/translate_c_macros.zig");
_ = @import("behavior/truncate.zig");
- _ = @import("behavior/underscore.zig");
_ = @import("behavior/usingnamespace.zig");
- _ = @import("behavior/while.zig");
- if (builtin.object_format != .c) {
- // Tests that pass for stage1 and stage2 but not the C backend.
- _ = @import("behavior/align_llvm.zig");
- _ = @import("behavior/alignof.zig");
- _ = @import("behavior/array.zig");
- _ = @import("behavior/atomics.zig");
- _ = @import("behavior/basic_llvm.zig");
- _ = @import("behavior/bugs/394.zig");
- _ = @import("behavior/bugs/656.zig");
- _ = @import("behavior/bugs/1277.zig");
- _ = @import("behavior/bugs/1381.zig");
- _ = @import("behavior/bugs/1500.zig");
- _ = @import("behavior/bugs/1741.zig");
- _ = @import("behavior/bugs/2006.zig");
- _ = @import("behavior/bugs/2578.zig");
- _ = @import("behavior/bugs/3007.zig");
- _ = @import("behavior/bugs/3112.zig");
- _ = @import("behavior/bugs/7250.zig");
- _ = @import("behavior/cast_llvm.zig");
- _ = @import("behavior/eval.zig");
- _ = @import("behavior/floatop.zig");
- _ = @import("behavior/fn.zig");
- _ = @import("behavior/for.zig");
- _ = @import("behavior/generics_llvm.zig");
- _ = @import("behavior/math.zig");
- _ = @import("behavior/maximum_minimum.zig");
- _ = @import("behavior/namespace_depends_on_compile_var.zig");
- _ = @import("behavior/null_llvm.zig");
- _ = @import("behavior/optional_llvm.zig");
- _ = @import("behavior/popcount.zig");
- _ = @import("behavior/saturating_arithmetic.zig");
- _ = @import("behavior/sizeof_and_typeof.zig");
- _ = @import("behavior/slice.zig");
- _ = @import("behavior/struct_llvm.zig");
- _ = @import("behavior/switch.zig");
- _ = @import("behavior/undefined.zig");
- _ = @import("behavior/union.zig");
- _ = @import("behavior/void.zig");
- _ = @import("behavior/widening.zig");
+ // Tests that pass for stage1, stage2 and the C backend, but not for the wasm backend
+ if (!builtin.zig_is_stage2 or (builtin.zig_is_stage2 and builtin.stage2_arch != .wasm32)) {
+ _ = @import("behavior/align.zig");
+ _ = @import("behavior/bool.zig");
+ _ = @import("behavior/bugs/704.zig");
+ _ = @import("behavior/bugs/2692.zig");
+ _ = @import("behavior/bugs/2889.zig");
+ _ = @import("behavior/bugs/3046.zig");
+ _ = @import("behavior/bugs/3586.zig");
+ _ = @import("behavior/bugs/4560.zig");
+ _ = @import("behavior/bugs/4769_a.zig");
+ _ = @import("behavior/bugs/4769_b.zig");
+ _ = @import("behavior/bugs/4954.zig");
+ _ = @import("behavior/byval_arg_var.zig");
+ _ = @import("behavior/call.zig");
+ _ = @import("behavior/cast.zig");
+ _ = @import("behavior/defer.zig");
+ _ = @import("behavior/error.zig");
+ _ = @import("behavior/fn_in_struct_in_comptime.zig");
+ _ = @import("behavior/generics.zig");
+ _ = @import("behavior/if.zig");
+ _ = @import("behavior/incomplete_struct_param_tld.zig");
+ _ = @import("behavior/int128.zig");
+ _ = @import("behavior/inttoptr.zig");
+ _ = @import("behavior/member_func.zig");
+ _ = @import("behavior/null.zig");
+ _ = @import("behavior/optional.zig");
+ _ = @import("behavior/pointers.zig");
+ _ = @import("behavior/ptrcast.zig");
+ _ = @import("behavior/ref_var_in_if_after_if_2nd_switch_prong.zig");
+ _ = @import("behavior/struct.zig");
+ _ = @import("behavior/this.zig");
+ _ = @import("behavior/translate_c_macros.zig");
+ _ = @import("behavior/underscore.zig");
+ _ = @import("behavior/while.zig");
- if (builtin.zig_is_stage2) {
- // When all comptime_memory.zig tests pass, #9646 can be closed.
- // _ = @import("behavior/comptime_memory.zig");
- _ = @import("behavior/slice_stage2.zig");
- } else {
- _ = @import("behavior/align_stage1.zig");
- _ = @import("behavior/array_stage1.zig");
- if (builtin.os.tag != .wasi) {
- _ = @import("behavior/asm.zig");
- _ = @import("behavior/async_fn.zig");
- }
- _ = @import("behavior/await_struct.zig");
- _ = @import("behavior/bit_shifting.zig");
- _ = @import("behavior/bitcast_stage1.zig");
- _ = @import("behavior/bitreverse.zig");
- _ = @import("behavior/bugs/421.zig");
- _ = @import("behavior/bugs/529.zig");
- _ = @import("behavior/bugs/718.zig");
- _ = @import("behavior/bugs/726.zig");
- _ = @import("behavior/bugs/828.zig");
- _ = @import("behavior/bugs/920.zig");
- _ = @import("behavior/bugs/1025.zig");
- _ = @import("behavior/bugs/1076.zig");
- _ = @import("behavior/bugs/1120.zig");
- _ = @import("behavior/bugs/1310.zig");
- _ = @import("behavior/bugs/1322.zig");
- _ = @import("behavior/bugs/1421.zig");
- _ = @import("behavior/bugs/1442.zig");
- _ = @import("behavior/bugs/1607.zig");
- _ = @import("behavior/bugs/1735.zig");
- _ = @import("behavior/bugs/1851.zig");
- _ = @import("behavior/bugs/1914.zig");
- _ = @import("behavior/bugs/2114.zig");
- _ = @import("behavior/bugs/3367.zig");
- _ = @import("behavior/bugs/3384.zig");
- _ = @import("behavior/bugs/3742.zig");
- _ = @import("behavior/bugs/3779.zig");
- _ = @import("behavior/bugs/4328.zig");
- _ = @import("behavior/bugs/5398.zig");
- _ = @import("behavior/bugs/5413.zig");
- _ = @import("behavior/bugs/5474.zig");
- _ = @import("behavior/bugs/5487.zig");
- _ = @import("behavior/bugs/6456.zig");
- _ = @import("behavior/bugs/6781.zig");
- _ = @import("behavior/bugs/7003.zig");
- _ = @import("behavior/bugs/7027.zig");
- _ = @import("behavior/bugs/7047.zig");
- _ = @import("behavior/bugs/9584.zig");
- _ = @import("behavior/bugs/9967.zig");
- _ = @import("behavior/bugs/10147.zig");
- _ = @import("behavior/byteswap.zig");
- _ = @import("behavior/call_stage1.zig");
- _ = @import("behavior/cast_stage1.zig");
- _ = @import("behavior/const_slice_child.zig");
- _ = @import("behavior/defer_stage1.zig");
- _ = @import("behavior/enum_stage1.zig");
- _ = @import("behavior/error_stage1.zig");
- _ = @import("behavior/eval_stage1.zig");
- _ = @import("behavior/field_parent_ptr.zig");
- _ = @import("behavior/floatop_stage1.zig");
- _ = @import("behavior/fn_stage1.zig");
- _ = @import("behavior/fn_delegation.zig");
- _ = @import("behavior/for_stage1.zig");
- _ = @import("behavior/if_stage1.zig");
- _ = @import("behavior/ir_block_deps.zig");
- _ = @import("behavior/math_stage1.zig");
- _ = @import("behavior/merge_error_sets.zig");
- _ = @import("behavior/misc.zig");
- _ = @import("behavior/muladd.zig");
- _ = @import("behavior/null_stage1.zig");
- _ = @import("behavior/optional_stage1.zig");
- _ = @import("behavior/pointers_stage1.zig");
- _ = @import("behavior/popcount_stage1.zig");
- _ = @import("behavior/ptrcast_stage1.zig");
- _ = @import("behavior/reflection.zig");
- _ = @import("behavior/select.zig");
- _ = @import("behavior/shuffle.zig");
- _ = @import("behavior/sizeof_and_typeof_stage1.zig");
- _ = @import("behavior/slice_stage1.zig");
- _ = @import("behavior/struct_contains_null_ptr_itself.zig");
- _ = @import("behavior/struct_contains_slice_of_itself.zig");
- _ = @import("behavior/struct_stage1.zig");
- _ = @import("behavior/switch_prong_err_enum.zig");
- _ = @import("behavior/switch_prong_implicit_cast.zig");
- _ = @import("behavior/switch_stage1.zig");
- _ = @import("behavior/try.zig");
- _ = @import("behavior/tuple.zig");
- _ = @import("behavior/type.zig");
- _ = @import("behavior/type_info.zig");
- _ = @import("behavior/typename.zig");
- _ = @import("behavior/union_stage1.zig");
- _ = @import("behavior/union_with_members.zig");
- _ = @import("behavior/var_args.zig");
- _ = @import("behavior/vector.zig");
- if (builtin.target.cpu.arch == .wasm32) {
- _ = @import("behavior/wasm.zig");
+ if (builtin.object_format != .c) {
+ // Tests that pass for stage1 and stage2 but not the C backend and wasm backend.
+ _ = @import("behavior/align_llvm.zig");
+ _ = @import("behavior/alignof.zig");
+ _ = @import("behavior/array.zig");
+ _ = @import("behavior/atomics.zig");
+ _ = @import("behavior/basic_llvm.zig");
+ _ = @import("behavior/bugs/394.zig");
+ _ = @import("behavior/bugs/656.zig");
+ _ = @import("behavior/bugs/1277.zig");
+ _ = @import("behavior/bugs/1381.zig");
+ _ = @import("behavior/bugs/1500.zig");
+ _ = @import("behavior/bugs/1741.zig");
+ _ = @import("behavior/bugs/2006.zig");
+ _ = @import("behavior/bugs/2578.zig");
+ _ = @import("behavior/bugs/3007.zig");
+ _ = @import("behavior/bugs/3112.zig");
+ _ = @import("behavior/bugs/7250.zig");
+ _ = @import("behavior/cast_llvm.zig");
+ _ = @import("behavior/eval.zig");
+ _ = @import("behavior/floatop.zig");
+ _ = @import("behavior/fn.zig");
+ _ = @import("behavior/for.zig");
+ _ = @import("behavior/generics_llvm.zig");
+ _ = @import("behavior/math.zig");
+ _ = @import("behavior/maximum_minimum.zig");
+ _ = @import("behavior/namespace_depends_on_compile_var.zig");
+ _ = @import("behavior/null_llvm.zig");
+ _ = @import("behavior/optional_llvm.zig");
+ _ = @import("behavior/popcount.zig");
+ _ = @import("behavior/saturating_arithmetic.zig");
+ _ = @import("behavior/sizeof_and_typeof.zig");
+ _ = @import("behavior/slice.zig");
+ _ = @import("behavior/struct_llvm.zig");
+ _ = @import("behavior/switch.zig");
+ _ = @import("behavior/undefined.zig");
+ _ = @import("behavior/union.zig");
+ _ = @import("behavior/void.zig");
+ _ = @import("behavior/widening.zig");
+
+ if (builtin.zig_is_stage2) {
+ // When all comptime_memory.zig tests pass, #9646 can be closed.
+ // _ = @import("behavior/comptime_memory.zig");
+ _ = @import("behavior/slice_stage2.zig");
+ } else {
+ _ = @import("behavior/align_stage1.zig");
+ _ = @import("behavior/array_stage1.zig");
+ if (builtin.os.tag != .wasi) {
+ _ = @import("behavior/asm.zig");
+ _ = @import("behavior/async_fn.zig");
+ }
+ _ = @import("behavior/await_struct.zig");
+ _ = @import("behavior/bit_shifting.zig");
+ _ = @import("behavior/bitcast_stage1.zig");
+ _ = @import("behavior/bitreverse.zig");
+ _ = @import("behavior/bugs/421.zig");
+ _ = @import("behavior/bugs/529.zig");
+ _ = @import("behavior/bugs/718.zig");
+ _ = @import("behavior/bugs/726.zig");
+ _ = @import("behavior/bugs/828.zig");
+ _ = @import("behavior/bugs/920.zig");
+ _ = @import("behavior/bugs/1025.zig");
+ _ = @import("behavior/bugs/1076.zig");
+ _ = @import("behavior/bugs/1120.zig");
+ _ = @import("behavior/bugs/1310.zig");
+ _ = @import("behavior/bugs/1322.zig");
+ _ = @import("behavior/bugs/1421.zig");
+ _ = @import("behavior/bugs/1442.zig");
+ _ = @import("behavior/bugs/1607.zig");
+ _ = @import("behavior/bugs/1735.zig");
+ _ = @import("behavior/bugs/1851.zig");
+ _ = @import("behavior/bugs/1914.zig");
+ _ = @import("behavior/bugs/2114.zig");
+ _ = @import("behavior/bugs/3367.zig");
+ _ = @import("behavior/bugs/3384.zig");
+ _ = @import("behavior/bugs/3742.zig");
+ _ = @import("behavior/bugs/3779.zig");
+ _ = @import("behavior/bugs/4328.zig");
+ _ = @import("behavior/bugs/5398.zig");
+ _ = @import("behavior/bugs/5413.zig");
+ _ = @import("behavior/bugs/5474.zig");
+ _ = @import("behavior/bugs/5487.zig");
+ _ = @import("behavior/bugs/6456.zig");
+ _ = @import("behavior/bugs/6781.zig");
+ _ = @import("behavior/bugs/7003.zig");
+ _ = @import("behavior/bugs/7027.zig");
+ _ = @import("behavior/bugs/7047.zig");
+ _ = @import("behavior/bugs/9584.zig");
+ _ = @import("behavior/bugs/9967.zig");
+ _ = @import("behavior/bugs/10147.zig");
+ _ = @import("behavior/byteswap.zig");
+ _ = @import("behavior/call_stage1.zig");
+ _ = @import("behavior/cast_stage1.zig");
+ _ = @import("behavior/const_slice_child.zig");
+ _ = @import("behavior/defer_stage1.zig");
+ _ = @import("behavior/enum_stage1.zig");
+ _ = @import("behavior/error_stage1.zig");
+ _ = @import("behavior/eval_stage1.zig");
+ _ = @import("behavior/field_parent_ptr.zig");
+ _ = @import("behavior/floatop_stage1.zig");
+ _ = @import("behavior/fn_stage1.zig");
+ _ = @import("behavior/fn_delegation.zig");
+ _ = @import("behavior/for_stage1.zig");
+ _ = @import("behavior/if_stage1.zig");
+ _ = @import("behavior/ir_block_deps.zig");
+ _ = @import("behavior/math_stage1.zig");
+ _ = @import("behavior/merge_error_sets.zig");
+ _ = @import("behavior/misc.zig");
+ _ = @import("behavior/muladd.zig");
+ _ = @import("behavior/null_stage1.zig");
+ _ = @import("behavior/optional_stage1.zig");
+ _ = @import("behavior/pointers_stage1.zig");
+ _ = @import("behavior/popcount_stage1.zig");
+ _ = @import("behavior/ptrcast_stage1.zig");
+ _ = @import("behavior/reflection.zig");
+ _ = @import("behavior/select.zig");
+ _ = @import("behavior/shuffle.zig");
+ _ = @import("behavior/sizeof_and_typeof_stage1.zig");
+ _ = @import("behavior/slice_stage1.zig");
+ _ = @import("behavior/struct_contains_null_ptr_itself.zig");
+ _ = @import("behavior/struct_contains_slice_of_itself.zig");
+ _ = @import("behavior/struct_stage1.zig");
+ _ = @import("behavior/switch_prong_err_enum.zig");
+ _ = @import("behavior/switch_prong_implicit_cast.zig");
+ _ = @import("behavior/switch_stage1.zig");
+ _ = @import("behavior/try.zig");
+ _ = @import("behavior/tuple.zig");
+ _ = @import("behavior/type.zig");
+ _ = @import("behavior/type_info.zig");
+ _ = @import("behavior/typename.zig");
+ _ = @import("behavior/union_stage1.zig");
+ _ = @import("behavior/union_with_members.zig");
+ _ = @import("behavior/var_args.zig");
+ _ = @import("behavior/vector.zig");
+ if (builtin.target.cpu.arch == .wasm32) {
+ _ = @import("behavior/wasm.zig");
+ }
+ _ = @import("behavior/while_stage1.zig");
+ _ = @import("behavior/src.zig");
+ _ = @import("behavior/translate_c_macros_stage1.zig");
}
- _ = @import("behavior/while_stage1.zig");
- _ = @import("behavior/src.zig");
- _ = @import("behavior/translate_c_macros_stage1.zig");
}
}
}