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cmd/compile: test register ABI for method, interface, closure calls

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This is enabled with a ridiculous magic name for method,
or for last input type passed, that needs to be changed
to something inutterable before actual release.

Ridiculous method name: MagicMethodNameForTestingRegisterABI
Ridiculous last (input) type name: MagicLastTypeNameForTestingRegisterABI

RLTN is tested with strings.Contains, so you can have
MagicLastTypeNameForTestingRegisterABI1
and
MagicLastTypeNameForTestingRegisterABI2
if that is helpful

Includes test test/abi/fibish2.go

Updates #44816.

Change-Id: I592a6edc71ca9bebdd1d00e24edee1ceebb3e43f
Reviewed-on: https://go-review.googlesource.com/c/go/+/299410
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
David Chase 2021-03-05 14:24:41 -05:00
parent cdd08e615a
commit 7240a18adb
12 changed files with 280 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
src/cmd/compile/internal/ssa/expand_calls.go
View File

@ -386,41 +386,34 @@ func (x *expandState) rewriteSelect(leaf *Value, selector *Value, offset int64,
which := selector.AuxInt
if which == aux.NResults() { // mem is after the results.
// rewrite v as a Copy of call -- the replacement call will produce a mem.
if call.Op == OpStaticLECall {
if leaf != selector {
panic("Unexpected selector of memory")
}
// StaticCall selector will address last element of Result.
// TODO do this for all the other call types eventually.
if aux.abiInfo == nil {
panic(badVal("aux.abiInfo nil for call", call))
}
if existing := x.memForCall[call.ID]; existing == nil {
selector.AuxInt = int64(aux.abiInfo.OutRegistersUsed())
x.memForCall[call.ID] = selector
} else {
selector.copyOf(existing)
}
} else {
leaf.copyOf(call)
if leaf != selector {
panic("Unexpected selector of memory")
}
if aux.abiInfo == nil {
panic(badVal("aux.abiInfo nil for call", call))
}
if existing := x.memForCall[call.ID]; existing == nil {
selector.AuxInt = int64(aux.abiInfo.OutRegistersUsed())
x.memForCall[call.ID] = selector
} else {
selector.copyOf(existing)
}
} else {
leafType := removeTrivialWrapperTypes(leaf.Type)
if x.canSSAType(leafType) {
pt := types.NewPtr(leafType)
// Any selection right out of the arg area/registers has to be same Block as call, use call as mem input.
if call.Op == OpStaticLECall { // TODO this is temporary until all calls are register-able
// Create a "mem" for any loads that need to occur.
if mem := x.memForCall[call.ID]; mem != nil {
if mem.Block != call.Block {
panic(fmt.Errorf("selector and call need to be in same block, selector=%s; call=%s", selector.LongString(), call.LongString()))
}
call = mem
} else {
mem = call.Block.NewValue1I(call.Pos.WithNotStmt(), OpSelectN, types.TypeMem, int64(aux.abiInfo.OutRegistersUsed()), call)
x.memForCall[call.ID] = mem
call = mem
// Create a "mem" for any loads that need to occur.
if mem := x.memForCall[call.ID]; mem != nil {
if mem.Block != call.Block {
panic(fmt.Errorf("selector and call need to be in same block, selector=%s; call=%s", selector.LongString(), call.LongString()))
}
call = mem
} else {
mem = call.Block.NewValue1I(call.Pos.WithNotStmt(), OpSelectN, types.TypeMem, int64(aux.abiInfo.OutRegistersUsed()), call)
x.memForCall[call.ID] = mem
call = mem
}
outParam := aux.abiInfo.OutParam(int(which))
if len(outParam.Registers) > 0 {
@ -1350,14 +1343,15 @@ func expandCalls(f *Func) {
case OpStaticLECall:
v.Op = OpStaticCall
rts := abi.RegisterTypes(v.Aux.(*AuxCall).abiInfo.OutParams())
// TODO need to insert all the register types.
v.Type = types.NewResults(append(rts, types.TypeMem))
case OpClosureLECall:
v.Op = OpClosureCall
v.Type = types.TypeMem
rts := abi.RegisterTypes(v.Aux.(*AuxCall).abiInfo.OutParams())
v.Type = types.NewResults(append(rts, types.TypeMem))
case OpInterLECall:
v.Op = OpInterCall
v.Type = types.TypeMem
rts := abi.RegisterTypes(v.Aux.(*AuxCall).abiInfo.OutParams())
v.Type = types.NewResults(append(rts, types.TypeMem))
}
}
}

8
src/cmd/compile/internal/ssa/gen/AMD64Ops.go
View File

@ -775,10 +775,10 @@ func init() {
faultOnNilArg0: true,
},
// With a register ABI, the actual register info for these instructions (i.e., what is used in regalloc) is augmented with per-call-site bindings of additional arguments to specific registers.
{name: "CALLstatic", argLength: -1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call static function aux.(*obj.LSym). arg0=mem, auxint=argsize, returns mem
{name: "CALLclosure", argLength: 3, reg: regInfo{inputs: []regMask{gpsp, buildReg("DX"), 0}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call function via closure. arg0=codeptr, arg1=closure, arg2=mem, auxint=argsize, returns mem
{name: "CALLinter", argLength: 2, reg: regInfo{inputs: []regMask{gp}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call fn by pointer. arg0=codeptr, arg1=mem, auxint=argsize, returns mem
// With a register ABI, the actual register info for these instructions (i.e., what is used in regalloc) is augmented with per-call-site bindings of additional arguments to specific in and out registers.
{name: "CALLstatic", argLength: -1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call static function aux.(*obj.LSym). last arg=mem, auxint=argsize, returns mem
{name: "CALLclosure", argLength: -1, reg: regInfo{inputs: []regMask{gpsp, buildReg("DX"), 0}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call function via closure. arg0=codeptr, arg1=closure, last arg=mem, auxint=argsize, returns mem
{name: "CALLinter", argLength: -1, reg: regInfo{inputs: []regMask{gp}, clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true}, // call fn by pointer. arg0=codeptr, last arg=mem, auxint=argsize, returns mem
// arg0 = destination pointer
// arg1 = source pointer

27
src/cmd/compile/internal/ssa/gen/genericOps.go
View File

@ -264,7 +264,7 @@ var genericOps = []opData{
// ±0 → ±0 (sign preserved)
// x<0 → NaN
// NaN → NaN
{name: "Sqrt", argLength: 1}, // √arg0 (floating point, double precision)
{name: "Sqrt", argLength: 1}, // √arg0 (floating point, double precision)
{name: "Sqrt32", argLength: 1}, // √arg0 (floating point, single precision)
// Round to integer, float64 only.
@ -396,9 +396,28 @@ var genericOps = []opData{
// TODO(josharian): ClosureCall and InterCall should have Int32 aux
// to match StaticCall's 32 bit arg size limit.
// TODO(drchase,josharian): could the arg size limit be bundled into the rules for CallOff?
{name: "ClosureCall", argLength: 3, aux: "CallOff", call: true}, // arg0=code pointer, arg1=context ptr, arg2=memory. auxint=arg size. Returns memory.
{name: "StaticCall", argLength: -1, aux: "CallOff", call: true}, // call function aux.(*obj.LSym), arg0..argN-1 are register inputs, argN=memory. auxint=arg size. Returns Result of register results, plus memory.
{name: "InterCall", argLength: 2, aux: "CallOff", call: true}, // interface call. arg0=code pointer, arg1=memory, auxint=arg size. Returns memory.
// Before lowering, LECalls receive their fixed inputs (first), memory (last),
// and a variable number of input values in the middle.
// They produce a variable number of result values.
// These values are not necessarily "SSA-able"; they can be too large,
// but in that case inputs are loaded immediately before with OpDereference,
// and outputs are stored immediately with OpStore.
//
// After call expansion, Calls have the same fixed-middle-memory arrangement of inputs,
// with the difference that the "middle" is only the register-resident inputs,
// and the non-register inputs are instead stored at ABI-defined offsets from SP
// (and the stores thread through the memory that is ultimately an input to the call).
// Outputs follow a similar pattern; register-resident outputs are the leading elements
// of a Result-typed output, with memory last, and any memory-resident outputs have been
// stored to ABI-defined locations. Each non-memory input or output fits in a register.
//
// Subsequent architecture-specific lowering only changes the opcode.
{name: "ClosureCall", argLength: -1, aux: "CallOff", call: true}, // arg0=code pointer, arg1=context ptr, arg2..argN-1 are register inputs, argN=memory. auxint=arg size. Returns Result of register results, plus memory.
{name: "StaticCall", argLength: -1, aux: "CallOff", call: true}, // call function aux.(*obj.LSym), arg0..argN-1 are register inputs, argN=memory. auxint=arg size. Returns Result of register results, plus memory.
{name: "InterCall", argLength: -1, aux: "CallOff", call: true}, // interface call. arg0=code pointer, arg1..argN-1 are register inputs, argN=memory, auxint=arg size. Returns Result of register results, plus memory.
{name: "ClosureLECall", argLength: -1, aux: "CallOff", call: true}, // late-expanded closure call. arg0=code pointer, arg1=context ptr, arg2..argN-1 are inputs, argN is mem. auxint = arg size. Result is tuple of result(s), plus mem.
{name: "StaticLECall", argLength: -1, aux: "CallOff", call: true}, // late-expanded static call function aux.(*ssa.AuxCall.Fn). arg0..argN-1 are inputs, argN is mem. auxint = arg size. Result is tuple of result(s), plus mem.
{name: "InterLECall", argLength: -1, aux: "CallOff", call: true}, // late-expanded interface call. arg0=code pointer, arg1..argN-1 are inputs, argN is mem. auxint = arg size. Result is tuple of result(s), plus mem.

47
src/cmd/compile/internal/ssa/op.go
View File

@ -10,6 +10,7 @@ import (
"cmd/compile/internal/types"
"cmd/internal/obj"
"fmt"
"strings"
)
// An Op encodes the specific operation that a Value performs.
@ -68,6 +69,27 @@ type regInfo struct {
outputs []outputInfo
}
func (r *regInfo) String() string {
s := ""
s += "INS:\n"
for _, i := range r.inputs {
mask := fmt.Sprintf("%64b", i.regs)
mask = strings.Replace(mask, "0", ".", -1)
s += fmt.Sprintf("%2d |%s|\n", i.idx, mask)
}
s += "OUTS:\n"
for _, i := range r.outputs {
mask := fmt.Sprintf("%64b", i.regs)
mask = strings.Replace(mask, "0", ".", -1)
s += fmt.Sprintf("%2d |%s|\n", i.idx, mask)
}
s += "CLOBBERS:\n"
mask := fmt.Sprintf("%64b", r.clobbers)
mask = strings.Replace(mask, "0", ".", -1)
s += fmt.Sprintf(" |%s|\n", mask)
return s
}
type auxType int8
type Param struct {
@ -116,20 +138,25 @@ func (a *AuxCall) Reg(i *regInfo, c *Config) *regInfo {
a.reg = i
return a.reg
}
a.reg.inputs = append(a.reg.inputs, i.inputs...)
k := len(i.inputs)
for _, p := range a.abiInfo.InParams() {
for _, r := range p.Registers {
m := archRegForAbiReg(r, c)
a.reg.inputs = append(a.reg.inputs, inputInfo{idx: len(a.reg.inputs), regs: (1 << m)})
a.reg.inputs = append(a.reg.inputs, inputInfo{idx: k, regs: (1 << m)})
k++
}
}
a.reg.outputs = append(a.reg.outputs, i.outputs...)
a.reg.inputs = append(a.reg.inputs, i.inputs...) // These are less constrained, thus should come last
k = len(i.outputs)
for _, p := range a.abiInfo.OutParams() {
for _, r := range p.Registers {
m := archRegForAbiReg(r, c)
a.reg.outputs = append(a.reg.outputs, outputInfo{idx: len(a.reg.outputs), regs: (1 << m)})
a.reg.outputs = append(a.reg.outputs, outputInfo{idx: k, regs: (1 << m)})
k++
}
}
a.reg.outputs = append(a.reg.outputs, i.outputs...)
a.reg.clobbers = i.clobbers
return a.reg
}
@ -299,12 +326,20 @@ func StaticAuxCall(sym *obj.LSym, args []Param, results []Param, paramResultInfo
// InterfaceAuxCall returns an AuxCall for an interface call.
func InterfaceAuxCall(args []Param, results []Param, paramResultInfo *abi.ABIParamResultInfo) *AuxCall {
return &AuxCall{Fn: nil, args: args, results: results, abiInfo: paramResultInfo}
var reg *regInfo
if paramResultInfo.InRegistersUsed()+paramResultInfo.OutRegistersUsed() > 0 {
reg = &regInfo{}
}
return &AuxCall{Fn: nil, args: args, results: results, abiInfo: paramResultInfo, reg: reg}
}
// ClosureAuxCall returns an AuxCall for a closure call.
func ClosureAuxCall(args []Param, results []Param, paramResultInfo *abi.ABIParamResultInfo) *AuxCall {
return &AuxCall{Fn: nil, args: args, results: results, abiInfo: paramResultInfo}
var reg *regInfo
if paramResultInfo.InRegistersUsed()+paramResultInfo.OutRegistersUsed() > 0 {
reg = &regInfo{}
}
return &AuxCall{Fn: nil, args: args, results: results, abiInfo: paramResultInfo, reg: reg}
}
func (*AuxCall) CanBeAnSSAAux() {}

8
src/cmd/compile/internal/ssa/opGen.go
View File

@ -13275,7 +13275,7 @@ var opcodeTable = [...]opInfo{
{
name: "CALLclosure",
auxType: auxCallOff,
argLen: 3,
argLen: -1,
clobberFlags: true,
call: true,
reg: regInfo{
@ -13289,7 +13289,7 @@ var opcodeTable = [...]opInfo{
{
name: "CALLinter",
auxType: auxCallOff,
argLen: 2,
argLen: -1,
clobberFlags: true,
call: true,
reg: regInfo{
@ -35596,7 +35596,7 @@ var opcodeTable = [...]opInfo{
{
name: "ClosureCall",
auxType: auxCallOff,
argLen: 3,
argLen: -1,
call: true,
generic: true,
},
@ -35610,7 +35610,7 @@ var opcodeTable = [...]opInfo{
{
name: "InterCall",
auxType: auxCallOff,
argLen: 2,
argLen: -1,
call: true,
generic: true,
},

61
src/cmd/compile/internal/ssagen/ssa.go
View File

@ -217,6 +217,10 @@ func AbiForFunc(fn *ir.Func) *abi.ABIConfig {
return abiForFunc(fn, ssaConfig.ABI0, ssaConfig.ABI1).Copy() // No idea what races will result, be safe
}
// TODO (NLT 2021-04-15) This must be changed to a name that cannot match; it may be helpful to other register ABI work to keep the trigger-logic
const magicNameDotSuffix = ".MagicMethodNameForTestingRegisterABI"
const magicLastTypeName = "MagicLastTypeNameForTestingRegisterABI"
// abiForFunc implements ABI policy for a function, but does not return a copy of the ABI.
// Passing a nil function returns ABIInternal.
func abiForFunc(fn *ir.Func, abi0, abi1 *abi.ABIConfig) *abi.ABIConfig {
@ -224,16 +228,38 @@ func abiForFunc(fn *ir.Func, abi0, abi1 *abi.ABIConfig) *abi.ABIConfig {
if !regabiEnabledForAllCompilation() {
a = abi0
}
if fn != nil && fn.Pragma&ir.RegisterParams != 0 { // TODO(register args) remove after register abi is working
if fn != nil {
name := ir.FuncName(fn)
if strings.Contains(name, ".") {
base.ErrorfAt(fn.Pos(), "Calls to //go:registerparams method %s won't work, remove the pragma from the declaration.", name)
magicName := strings.HasSuffix(name, magicNameDotSuffix)
if fn.Pragma&ir.RegisterParams != 0 { // TODO(register args) remove after register abi is working
if strings.Contains(name, ".") {
if !magicName {
base.ErrorfAt(fn.Pos(), "Calls to //go:registerparams method %s won't work, remove the pragma from the declaration.", name)
}
}
a = abi1
} else if magicName {
if base.FmtPos(fn.Pos()) == "<autogenerated>:1" {
// no way to put a pragma here, and it will error out in the real source code if they did not do it there.
a = abi1
} else {
base.ErrorfAt(fn.Pos(), "Methods with magic name %s (method %s) must also specify //go:registerparams", magicNameDotSuffix[1:], name)
}
}
if regAbiForFuncType(fn.Type().FuncType()) {
// fmt.Printf("Saw magic last type name for function %s\n", name)
a = abi1
}
a = abi1
}
return a
}
func regAbiForFuncType(ft *types.Func) bool {
np := ft.Params.NumFields()
return np > 0 && strings.Contains(ft.Params.FieldType(np-1).String(), magicLastTypeName)
}
func regabiEnabledForAllCompilation() bool {
// TODO compiler does not yet change behavior for GOEXPERIMENT=regabi
return false && objabi.Regabi_enabled != 0
@ -4863,6 +4889,22 @@ func (s *state) call(n *ir.CallExpr, k callKind, returnResultAddr bool) *ssa.Val
var callArgs []*ssa.Value // For late-expansion, the args themselves (not stored, args to the call instead).
inRegisters := false
var magicFnNameSym *types.Sym
if fn.Name() != nil {
magicFnNameSym = fn.Name().Sym()
ss := magicFnNameSym.Name
if strings.HasSuffix(ss, magicNameDotSuffix) {
inRegisters = true
}
}
if magicFnNameSym == nil && n.Op() == ir.OCALLINTER {
magicFnNameSym = fn.(*ir.SelectorExpr).Sym()
ss := magicFnNameSym.Name
if strings.HasSuffix(ss, magicNameDotSuffix[1:]) {
inRegisters = true
}
}
switch n.Op() {
case ir.OCALLFUNC:
if k == callNormal && fn.Op() == ir.ONAME && fn.(*ir.Name).Class == ir.PFUNC {
@ -4871,7 +4913,7 @@ func (s *state) call(n *ir.CallExpr, k callKind, returnResultAddr bool) *ssa.Val
// TODO(register args) remove after register abi is working
inRegistersImported := fn.Pragma()&ir.RegisterParams != 0
inRegistersSamePackage := fn.Func != nil && fn.Func.Pragma&ir.RegisterParams != 0
inRegisters = inRegistersImported || inRegistersSamePackage
inRegisters = inRegisters || inRegistersImported || inRegistersSamePackage
break
}
closure = s.expr(fn)
@ -4898,6 +4940,11 @@ func (s *state) call(n *ir.CallExpr, k callKind, returnResultAddr bool) *ssa.Val
types.CalcSize(fn.Type())
stksize := fn.Type().ArgWidth() // includes receiver, args, and results
if regAbiForFuncType(n.X.Type().FuncType()) {
// fmt.Printf("Saw magic last type in call %v\n", n)
inRegisters = true
}
callABI := s.f.ABI1
if !inRegisters {
callABI = s.f.ABI0
@ -5047,11 +5094,11 @@ func (s *state) call(n *ir.CallExpr, k callKind, returnResultAddr bool) *ssa.Val
// critical that we not clobber any arguments already
// stored onto the stack.
codeptr = s.rawLoad(types.Types[types.TUINTPTR], closure)
aux := ssa.ClosureAuxCall(ACArgs, ACResults, s.f.ABIDefault.ABIAnalyzeTypes(nil, ssa.ACParamsToTypes(ACArgs), ssa.ACParamsToTypes(ACResults)))
aux := ssa.ClosureAuxCall(ACArgs, ACResults, callABI.ABIAnalyzeTypes(nil, ssa.ACParamsToTypes(ACArgs), ssa.ACParamsToTypes(ACResults)))
call = s.newValue2A(ssa.OpClosureLECall, aux.LateExpansionResultType(), aux, codeptr, closure)
case codeptr != nil:
// Note that the "receiver" parameter is nil because the actual receiver is the first input parameter.
aux := ssa.InterfaceAuxCall(ACArgs, ACResults, s.f.ABIDefault.ABIAnalyzeTypes(nil, ssa.ACParamsToTypes(ACArgs), ssa.ACParamsToTypes(ACResults)))
aux := ssa.InterfaceAuxCall(ACArgs, ACResults, params)
call = s.newValue1A(ssa.OpInterLECall, aux.LateExpansionResultType(), aux, codeptr)
case callee != nil:
aux := ssa.StaticAuxCall(callTargetLSym(callee, s.curfn.LSym), ACArgs, ACResults, params)

40
test/abi/fibish2.go Normal file
View File

@ -0,0 +1,40 @@
// run
//go:build !wasm
// +build !wasm
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "fmt"
// Test that register results are correctly returned (and passed)
type MagicLastTypeNameForTestingRegisterABI func(int,MagicLastTypeNameForTestingRegisterABI) int
//go:registerparams
//go:noinline
func minus(decrement int) MagicLastTypeNameForTestingRegisterABI {
return MagicLastTypeNameForTestingRegisterABI( func(x int, _ MagicLastTypeNameForTestingRegisterABI) int { return x-decrement} )
}
//go:noinline
func f(x int, sub1 MagicLastTypeNameForTestingRegisterABI) (int, int) {
if x < 3 {
return 0, x
}
a, b := f(sub1(sub1(x, sub1), sub1), sub1)
c, d := f(sub1(x, sub1), sub1)
return a + d, b + c
}
func main() {
x := 40
a, b := f(x, minus(1))
fmt.Printf("f(%d)=%d,%d\n", x, a, b)
}

1
test/abi/fibish2.out Normal file
View File

@ -0,0 +1 @@
f(40)=39088169,126491972

34
test/abi/fibish_closure.go Normal file
View File

@ -0,0 +1,34 @@
// run
//go:build !wasm
// +build !wasm
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "fmt"
// Test that register results are correctly returned (and passed)
type MagicLastTypeNameForTestingRegisterABI func(int, MagicLastTypeNameForTestingRegisterABI) (int, int)
//go:noinline
func f(x int, unused MagicLastTypeNameForTestingRegisterABI) (int, int) {
if x < 3 {
return 0, x
}
a, b := f(x-2, unused)
c, d := f(x-1, unused)
return a + d, b + c
}
func main() {
x := 40
a, b := f(x, f)
fmt.Printf("f(%d)=%d,%d\n", x, a, b)
}

1
test/abi/fibish_closure.out Normal file
View File

@ -0,0 +1 @@
f(40)=39088169,126491972

51
test/abi/methods.go Normal file
View File

@ -0,0 +1,51 @@
// run
//go:build !wasm
// +build !wasm
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
)
type toobig struct {
a,b,c string
}
//go:registerparams
//go:noinline
func (x *toobig) MagicMethodNameForTestingRegisterABI(y toobig, z toobig) toobig {
return toobig{x.a, y.b, z.c}
}
type AnInterface interface {
MagicMethodNameForTestingRegisterABI(y toobig, z toobig) toobig
}
//go:registerparams
//go:noinline
func I(a,b,c string) toobig {
return toobig{a,b,c}
}
// AnIid prevents the compiler from figuring out what the interface really is.
//go:noinline
func AnIid(x AnInterface) AnInterface {
return x
}
var tmp toobig
func main() {
x := I("Ahoy", "1,", "2")
y := I("3", "there,", "4")
z := I("5", "6,", "Matey")
tmp = x.MagicMethodNameForTestingRegisterABI(y,z)
fmt.Println(tmp.a, tmp.b, tmp.c)
tmp = AnIid(&x).MagicMethodNameForTestingRegisterABI(y,z)
fmt.Println(tmp.a, tmp.b, tmp.c)
}

2
test/abi/methods.out Normal file
View File

@ -0,0 +1,2 @@
Ahoy there, Matey
Ahoy there, Matey