}
	// sync file, to ensure it's written in case a hard reset happens
	return tmpPath, tmpFile.Sync()
}

// ReplaceFile replaces the contents of the file at `path` with `data` by writing to a tmp file in the same
// dir as `path` and renaming the tmp file over `path`. The file does not have to exist to use ReplaceFile,
// but the parent directory must exist.
// Note ReplaceFile calls fsync.

  %tmp0, %ctl0 = tfl.control_node controls "tfl.neg"(%arg0): (tensor<1xf32>) -> tensor<1xf32>
  %tmp1, %ctl1 = tfl.control_node controls "tfl.neg"(%tmp0): (tensor<1xf32>) -> tensor<1xf32>
  %tmp2, %ctl2 = tfl.control_node controls "tfl.neg"(%tmp1): (tensor<1xf32>) -> tensor<1xf32>
  %tmp3, %ctl3 = tfl.control_node controls "tfl.neg"(%tmp2): (tensor<1xf32>) -> tensor<1xf32>

// CHECK-NEXT: %[[CONST:.*]] = "tfl.pseudo_const"()
// CHECK-NEXT: %[[TMP1:.*]] = tfl.add %[[CONST]], %[[CONST]]
// CHECK-NEXT: %[[TMP2:.*]], %[[SEQ1:.*]] = tfl.control_node(%[[SEQ0]]) controls "tfl.add"(%[[VAR]], %[[TMP1]])
// CHECK-NEXT: %[[TMP3:.*]] = tfl.add %[[TMP2]], %[[TMP1]]
// CHECK-NEXT: %[[TMP4:.*]], %[[SEQ2:.*]] = tfl.control_node(%[[SEQ1]]) controls "tfl.while"(%[[TMP3]]) ({
// CHECK-NEXT:   ^bb0(%[[ARG_COND:.*]]: tensor<1xf32>):

# external linker.

mkdir tmp1
mkdir tmp2
mkdir tmp3
mkdir tmp4
mkdir tmp5

# First build: no external linking expected
go build -ldflags=-tmpdir=tmp1 -o $devnull ./noUseOfCgo &

# Second build: using only "runtime/cgo", expect internal linking.
go build -ldflags=-tmpdir=tmp2 -o $devnull ./usesInternalCgo &

}
// CHECK-NEXT: %[[CONST:.*]] = "tfl.pseudo_const"()
// CHECK-NEXT: %[[TMP1:.*]] = tfl.add %[[CONST]], %[[CONST]]
// CHECK-NEXT: %[[TMP2:.*]] = "tf.AddV2"(%[[TMP1]], %[[TMP1]])
// CHECK-NEXT: %[[TMP3:.*]] = tfl.add %[[CONST]], %[[TMP2]]
// CHECK-NEXT: %[[TMP4:.*]] = "tf.AddV2"(%[[TMP2]], %[[TMP3]])
// CHECK-NEXT: %[[RESULT:.*]] = tfl.add %[[TMP3]], %[[TMP4]]
// CHECK-NEXT: return %[[RESULT]]

		}

		// Set p = (16^2)*p = 256*p = 2^8*p
		tmp2.FromP3(tmp3)
		for j := 0; j < 7; j++ {
			tmp1.Double(tmp2)
			tmp2.FromP1xP1(tmp1)
		}
		tmp1.Double(tmp2)
		tmp3.fromP1xP1(tmp1)
		checkOnCurve(t, tmp3)
	}
}

func TestScalarMultMatchesBaseMult(t *testing.T) {
	scalarMultMatchesBaseMult := func(x Scalar) bool {
		var p, q Point
		p.ScalarMult(&x, B)
		q.ScalarBaseMult(&x)

		z2.Multiply(&z2, &tmp1)
		tmp0.Square(&tmp1)
		tmp1.Square(&x2)
		x3.Add(&z3, &z2)
		z2.Subtract(&z3, &z2)
		x2.Multiply(&tmp1, &tmp0)
		tmp1.Subtract(&tmp1, &tmp0)
		z2.Square(&z2)

		z3.Mult32(&tmp1, 121666)
		x3.Square(&x3)
		tmp0.Add(&tmp0, &z3)
		z3.Multiply(&x1, &z2)
		z2.Multiply(&tmp1, &tmp0)
	}

	x2.Swap(&x3, swap)
	z2.Swap(&z3, swap)

	z2.Invert(&z2)

	"fmt"
	"runtime"
)

var (
	tmp1  = big.NewInt(0)
	tmp2  = big.NewInt(0)
	numer = big.NewInt(1)
	accum = big.NewInt(0)
	denom = big.NewInt(1)
	ten   = big.NewInt(10)
)

func extractDigit() int64 {
	if big.CmpInt(numer, accum) > 0 {
		return -1
	}
	tmp1.Lsh(numer, 1).Add(tmp1, numer).Add(tmp1, accum)
	big.DivModInt(tmp1, tmp2, tmp1, denom)
	tmp2.Add(tmp2, numer)
	if big.CmpInt(tmp2, denom) >= 0 {

#define VMULT(x1, x2, out_low, out_hi) \
	VMULEUW x1, x2, TMP1; \
	VMULOUW x1, x2, TMP2; \
	VMRGEW TMP1, TMP2, out_hi; \
	VMRGOW TMP1, TMP2, out_low

//
// Vector multiply add word
//
//	VMALF  x0, x1, y, out_low
//	VMALHF x0, x1, y, out_hi
#define VMULT_ADD(x1, x2, y, one, out_low, out_hi) \
	VMULEUW  y, one, TMP2; \
	VMULOUW  y, one, TMP1; \
	VMULEUW  x1, x2, out_low; \
	VMULOUW  x1, x2, out_hi; \

	return x + y
}

func j(x int) int { // ERROR "can inline j"
	switch {
	case x > 0:
		return x + 2
	default:
		return x + 1
	}
}

func f2() int { // ERROR "can inline f2"
	tmp1 := h
	tmp2 := tmp1
	return tmp2(0) // ERROR "inlining call to h"
}

var abc = errors.New("abc") // ERROR "inlining call to errors.New"

var somethingWrong error

// local closures can be inlined