1 files changed, 0 insertions, 142 deletions
diff --git a/src-self-hosted/codegen/wasm.zig b/src-self-hosted/codegen/wasm.zig
deleted file mode 100644
index 4ea8838409..0000000000
--- a/src-self-hosted/codegen/wasm.zig
+++ /dev/null
@@ -1,142 +0,0 @@
-const std = @import("std");
-const Allocator = std.mem.Allocator;
-const ArrayList = std.ArrayList;
-const assert = std.debug.assert;
-const leb = std.debug.leb;
-const mem = std.mem;
-
-const Module = @import("../Module.zig");
-const Decl = Module.Decl;
-const Inst = @import("../ir.zig").Inst;
-const Type = @import("../type.zig").Type;
-const Value = @import("../value.zig").Value;
-
-fn genValtype(ty: Type) u8 {
-    return switch (ty.tag()) {
-        .u32, .i32 => 0x7F,
-        .u64, .i64 => 0x7E,
-        .f32 => 0x7D,
-        .f64 => 0x7C,
-        else => @panic("TODO: Implement more types for wasm."),
-    };
-}
-
-pub fn genFunctype(buf: *ArrayList(u8), decl: *Decl) !void {
-    const ty = decl.typed_value.most_recent.typed_value.ty;
-    const writer = buf.writer();
-
-    // functype magic
-    try writer.writeByte(0x60);
-
-    // param types
-    try leb.writeULEB128(writer, @intCast(u32, ty.fnParamLen()));
-    if (ty.fnParamLen() != 0) {
-        const params = try buf.allocator.alloc(Type, ty.fnParamLen());
-        defer buf.allocator.free(params);
-        ty.fnParamTypes(params);
-        for (params) |param_type| try writer.writeByte(genValtype(param_type));
-    }
-
-    // return type
-    const return_type = ty.fnReturnType();
-    switch (return_type.tag()) {
-        .void, .noreturn => try leb.writeULEB128(writer, @as(u32, 0)),
-        else => {
-            try leb.writeULEB128(writer, @as(u32, 1));
-            try writer.writeByte(genValtype(return_type));
-        },
-    }
-}
-
-pub fn genCode(buf: *ArrayList(u8), decl: *Decl) !void {
-    assert(buf.items.len == 0);
-    const writer = buf.writer();
-
-    // Reserve space to write the size after generating the code
-    try buf.resize(5);
-
-    // Write the size of the locals vec
-    // TODO: implement locals
-    try leb.writeULEB128(writer, @as(u32, 0));
-
-    // Write instructions
-    // TODO: check for and handle death of instructions
-    const tv = decl.typed_value.most_recent.typed_value;
-    const mod_fn = tv.val.cast(Value.Payload.Function).?.func;
-    for (mod_fn.analysis.success.instructions) |inst| try genInst(buf, decl, inst);
-
-    // Write 'end' opcode
-    try writer.writeByte(0x0B);
-
-    // Fill in the size of the generated code to the reserved space at the
-    // beginning of the buffer.
-    const size = buf.items.len - 5 + decl.fn_link.wasm.?.idx_refs.items.len * 5;
-    leb.writeUnsignedFixed(5, buf.items[0..5], @intCast(u32, size));
-}
-
-fn genInst(buf: *ArrayList(u8), decl: *Decl, inst: *Inst) !void {
-    return switch (inst.tag) {
-        .call => genCall(buf, decl, inst.castTag(.call).?),
-        .constant => genConstant(buf, decl, inst.castTag(.constant).?),
-        .dbg_stmt => {},
-        .ret => genRet(buf, decl, inst.castTag(.ret).?),
-        .retvoid => {},
-        else => error.TODOImplementMoreWasmCodegen,
-    };
-}
-
-fn genConstant(buf: *ArrayList(u8), decl: *Decl, inst: *Inst.Constant) !void {
-    const writer = buf.writer();
-    switch (inst.base.ty.tag()) {
-        .u32 => {
-            try writer.writeByte(0x41); // i32.const
-            try leb.writeILEB128(writer, inst.val.toUnsignedInt());
-        },
-        .i32 => {
-            try writer.writeByte(0x41); // i32.const
-            try leb.writeILEB128(writer, inst.val.toSignedInt());
-        },
-        .u64 => {
-            try writer.writeByte(0x42); // i64.const
-            try leb.writeILEB128(writer, inst.val.toUnsignedInt());
-        },
-        .i64 => {
-            try writer.writeByte(0x42); // i64.const
-            try leb.writeILEB128(writer, inst.val.toSignedInt());
-        },
-        .f32 => {
-            try writer.writeByte(0x43); // f32.const
-            // TODO: enforce LE byte order
-            try writer.writeAll(mem.asBytes(&inst.val.toFloat(f32)));
-        },
-        .f64 => {
-            try writer.writeByte(0x44); // f64.const
-            // TODO: enforce LE byte order
-            try writer.writeAll(mem.asBytes(&inst.val.toFloat(f64)));
-        },
-        .void => {},
-        else => return error.TODOImplementMoreWasmCodegen,
-    }
-}
-
-fn genRet(buf: *ArrayList(u8), decl: *Decl, inst: *Inst.UnOp) !void {
-    try genInst(buf, decl, inst.operand);
-}
-
-fn genCall(buf: *ArrayList(u8), decl: *Decl, inst: *Inst.Call) !void {
-    const func_inst = inst.func.castTag(.constant).?;
-    const func_val = func_inst.val.cast(Value.Payload.Function).?;
-    const target = func_val.func.owner_decl;
-    const target_ty = target.typed_value.most_recent.typed_value.ty;
-
-    if (inst.args.len != 0) return error.TODOImplementMoreWasmCodegen;
-
-    try buf.append(0x10); // call
-
-    // The function index immediate argument will be filled in using this data
-    // in link.Wasm.flush().
-    try decl.fn_link.wasm.?.idx_refs.append(buf.allocator, .{
-        .offset = @intCast(u32, buf.items.len),
-        .decl = target,
-    });
-}