func (c *sigctxt) t1() uint64  { return c.regs().mc_gpregs.gp_t[1] }
func (c *sigctxt) t2() uint64  { return c.regs().mc_gpregs.gp_t[2] }
func (c *sigctxt) s0() uint64  { return c.regs().mc_gpregs.gp_s[0] }
func (c *sigctxt) s1() uint64  { return c.regs().mc_gpregs.gp_s[1] }
func (c *sigctxt) a0() uint64  { return c.regs().mc_gpregs.gp_a[0] }
func (c *sigctxt) a1() uint64  { return c.regs().mc_gpregs.gp_a[1] }

  // CHECK-LABEL: func.func @convert_cluster_func
  func.func @convert_cluster_func(%arg0: tensor<i32>) -> tensor<i32> {
    // CHECK: "tf.XlaLaunch"(%arg0) <{function = @func, operandSegmentSizes = array<i32: 0, 1, 0>}> : (tensor<i32>) -> tensor<i32>
    %0 = "tf_device.cluster_func"(%arg0) {func = @func} : (tensor<i32>) -> tensor<i32>
    func.return %0 : tensor<i32>
  }

  func.func @func(%arg0: tensor<i32>) -> tensor<i32> {

		}
	}()
	f()
}

func onceFuncPanic() {
	panic("x")
}

func TestOnceXGC(t *testing.T) {
	fns := map[string]func([]byte) func(){
		"OnceFunc": func(buf []byte) func() {
			return sync.OnceFunc(func() { buf[0] = 1 })
		},
		"OnceValue": func(buf []byte) func() {
			f := sync.OnceValue(func() any { buf[0] = 1; return nil })
			return func() { f() }
		},

package p

func f1(func(int))
func f2(func(int), func(string))
func f3(func(int), func(string), func(float32))

func g1[P any](P) {}

func _() {
	f1(g1)
	f2(g1, g1)
	f3(g1, g1, g1)
}

// More complex examples

func g2[P any](P, P)                                         {}
func h3[P any](func(P), func(P), func() P)                   {}

  func.return
}

// -----

// CHECK-LABEL: func @empty_replicate
func.func @empty_replicate() {
  tf_device.replicate {n = 2 : i32} {
  }
  func.return

// CHECK:      tf_device.replicate
// CHECK-SAME: n = 2
// CHECK-NEXT:   tf_device.return
}

// -----

// CHECK-LABEL: func @no_operand_replicate
func.func @no_operand_replicate() {

func (c *sigctxt) r6() uint64  { return c.regs().gpr[6] }
func (c *sigctxt) r7() uint64  { return c.regs().gpr[7] }
func (c *sigctxt) r8() uint64  { return c.regs().gpr[8] }
func (c *sigctxt) r9() uint64  { return c.regs().gpr[9] }
func (c *sigctxt) r10() uint64 { return c.regs().gpr[10] }
func (c *sigctxt) r11() uint64 { return c.regs().gpr[11] }
func (c *sigctxt) r12() uint64 { return c.regs().gpr[12] }

func retpolineAX()
func retpolineCX()
func retpolineDX()
func retpolineBX()
func retpolineBP()
func retpolineSI()
func retpolineDI()
func retpolineR8()
func retpolineR9()
func retpolineR10()
func retpolineR11()
func retpolineR12()
func retpolineR13()
func retpolineR14()
func retpolineR15()

//go:noescape
func asmcgocall_no_g(fn, arg unsafe.Pointer)

//go:systemstack

// performance.
// CHECK-LABEL: func.func @nested_calls
func.func @nested_calls(%arg0: tensor<i32>) -> tensor<i32> attributes {tf.entry_function = {}} {
    %0 = "tf.While"(%arg0) {cond = @while_cond_func, body = @while_body_func, is_stateless = true} : (tensor<i32>) -> (tensor<i32>)
    func.return %0 : tensor<i32>
}

// CHECK-LABEL: func.func @while_cond_func
func.func @while_cond_func(%arg0: tensor<i32>) -> tensor<i1> {

	go func() {
		v = 1
		c <- 0
	}()
	<-c
	v = 2
}

func TestRaceChanAsyncRev(t *testing.T) {
	v := 0
	_ = v
	c := make(chan int, 10)
	go func() {
		c <- 0
		v = 1
	}()
	v = 2
	<-c
}

func TestNoRaceChanAsyncCloseRecv(t *testing.T) {
	v := 0
	_ = v
	c := make(chan int, 10)
	go func() {
		v = 1
		close(c)
	}()
	func() {
		defer func() {
			recover()

  func.return %0 : tensor<2xf32>
}

// -----

// If with no outputs, some inputs
// CHECK: func private @testIf1Then{{.+}}
// CHECK: func private @testIf1Else{{.+}}
func.func private @testIf1Then(tensor<*xf32>) -> ()
func.func private @testIf1Else(tensor<*xf32>) -> ()

// CHECK-LABEL: func @testIfNoResult(%arg0: tensor<i1>, %arg1: tensor<2xf32>)
func.func @testIfNoResult(%arg0: tensor<i1>, %arg1: tensor<2xf32>) -> () {