_ = 1<<s == 1.  // ERROR "invalid|shift of type float64"
	_ = 1.<<s == 1  // ERROR "invalid|shift of type float64"
	_ = 1.<<s == 1. // ERROR "invalid|non-integer|shift of type float64"

	_ = 1<<s+1 == 1
	_ = 1<<s+1 == 1.   // ERROR "invalid|shift of type float64"
	_ = 1<<s+1. == 1   // ERROR "invalid|shift of type float64"
	_ = 1<<s+1. == 1.  // ERROR "invalid|shift of type float64"
	_ = 1.<<s+1 == 1   // ERROR "invalid|shift of type float64"

	if err != nil {
		log.Fatal(err)
	}
	err = os.WriteFile(*filename, data, 0644)
	if err != nil {
		log.Fatal(err)
	}
}

type Data struct {
	a, b, c, d string
	Shift1     []int
	Shift2     []int
	Shift3     []int
	Shift4     []int
	Table1     []uint32
	Table2     []uint32
	Table3     []uint32
	Table4     []uint32
}

var funcs = template.FuncMap{
	"dup":     dup,
	"relabel": relabel,

			}
		}
	})
	return nil, nil
}

// checkLongShift checks if shift or shift-assign operations shift by more than
// the length of the underlying variable.
func checkLongShift(pass *analysis.Pass, node ast.Node, x, y ast.Expr) {
	if pass.TypesInfo.Types[x].Value != nil {
		// Ignore shifts of constants.
		// These are frequently used for bit-twiddling tricks

// Copyright 2022 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.

// The following shift tests are disabled in the shared
// testdata/check/shifts.go file because they don't work
// correctly with types2 at the moment. See go.dev/issue/52080.
// Make sure we keep testing them with go/types.
//
// TODO(gri) Once go.dev/issue/52080 is fixed, this file can be

	f(x<<(1<<x), 4)
	f(x<<(1.<<x), 4)
	f(x<<((1+0i)<<x), 4)
	f(x<<(0i<<x), 1)

	// corner cases
	const M = math.MaxUint
	f(x<<(M+0), 0)     // shift by untyped int representable as uint
	f(x<<(M+0.), 0)    // shift by untyped float representable as uint
	f(x<<(M+0.+0i), 0) // shift by untyped complex representable as uint

	return x<<7 ^ x2>>25 // arm64:"EXTRW\t[$]25,"
}

// check 32-bit shift masking
func mask32(x uint32) uint32 {
	return (x << 29) >> 29 // arm64:"AND\t[$]7, R[0-9]+",-"LSR",-"LSL"
}

// check 16-bit shift masking
func mask16(x uint16) uint16 {
	return (x << 14) >> 14 // arm64:"AND\t[$]3, R[0-9]+",-"LSR",-"LSL"
}

// check 8-bit shift masking
func mask8(x uint8) uint8 {

// license that can be found in the LICENSE file.

// Non-Go-constant but constant values aren't ok for shifts.

package p

import "unsafe"

func f() {
	_ = complex(1<<uintptr(unsafe.Pointer(nil)), 0) // ERROR "invalid operation: shifted operand 1 \(type float64\) must be integer|non-integer type for left operand of shift"

// Example from #52031.
//
// The following shifts should not produce errors on Go < 1.13, as their
// untyped constant operands are representable by type uint.
const (
	_ resultFlags = (1 << iota) / 2

	reportEqual
	reportUnequal
	reportByIgnore
	reportByMethod
	reportByFunc
	reportByCycle
)

// Invalid cases.
var x int = 1
var _ = (8 << x /* ERRORx `signed shift count .* requires go1.13 or later` */)

		// the compiler to generate better code for the shift operation.
		shift := uint(bits.TrailingZeros(uint(base))) & 7
		b := uint64(base)
		m := uint(base) - 1 // == 1<<shift - 1
		for u >= b {
			i--
			a[i] = digits[uint(u)&m]
			u >>= shift
		}
		// u < base
		i--
		a[i] = digits[uint(u)]
	} else {
		// general case
		b := uint64(base)
		for u >= b {
			i--

	sign = uint32(b >> 63)
	exp = int32(b>>52) & mask
	mantissa = b & fracMask

	if exp == 0 {
		// Normalize value if subnormal.
		shift := uint(bits.LeadingZeros64(mantissa) - 11)
		mantissa <<= shift
		exp = 1 - int32(shift)
	} else {
		// Add implicit 1 bit
		mantissa |= 1 << 52
	}
	return
}

// FMA returns x * y + z, computed with only one rounding.