bin

    pub fn bin(
        self: *WipFunction,
        tag: Instruction.Tag,
        lhs: Value,
        rhs: Value,
        name: []const u8,
    ) Allocator.Error!Value {
        switch (tag) {
            .add,
            .@"add nsw",
            .@"add nuw",
            .@"and",
            .ashr,
            .@"ashr exact",
            .fadd,
            .@"fadd fast",
            .fdiv,
            .@"fdiv fast",
            .fmul,
            .@"fmul fast",
            .frem,
            .@"frem fast",
            .fsub,
            .@"fsub fast",
            .lshr,
            .@"lshr exact",
            .mul,
            .@"mul nsw",
            .@"mul nuw",
            .@"or",
            .sdiv,
            .@"sdiv exact",
            .shl,
            .@"shl nsw",
            .@"shl nuw",
            .srem,
            .sub,
            .@"sub nsw",
            .@"sub nuw",
            .udiv,
            .@"udiv exact",
            .urem,
            .xor,
            => assert(lhs.typeOfWip(self) == rhs.typeOfWip(self)),
            else => unreachable,
        }
        try self.ensureUnusedExtraCapacity(1, Instruction.Binary, 0);
        const instruction = try self.addInst(name, .{
            .tag = tag,
            .data = self.addExtraAssumeCapacity(Instruction.Binary{ .lhs = lhs, .rhs = rhs }),
        });
        return instruction.toValue();
    }